Yr Athro Rebecca Melen
(hi/ei)

: Ar gael fel goruchwyliwr ôl-raddedig

Timau a rolau for Rebecca Melen

Athro Cemeg Anorganig
Ysgol Cemeg

Mae ymchwil yn y grŵp Melen yn canolbwyntio ar fanteisio ar adweithedd elfennau prif grŵp (p-bloc) i ddylunio adweithyddion a chatalyddion newydd ar gyfer synthesis cemegol cynaliadwy. Yn draddodiadol yn gysylltiedig â metelau pontio, mae gweithgaredd catalytig bellach yn cael ei ddatgelu ar draws y bloc p, gan gynnig dewisiadau amgen rhatach, llai gwenwynig a chyflenwol.

Ffocws mawr yw datblygu catalyddion boran fel prif amnewidiadau grŵp ar gyfer metelau gwerthfawr mewn adweithiau trosglwyddo carbene, gan ddarparu llwybrau newydd mewn cemeg diazo (Angew. Chem. Int. Ed. 2020; Chem 2020). Mae'r grŵp hefyd wedi arloesi yn y defnydd o "barau radical rhwystredig", gan ddangos y gall llwybrau electron sengl yrru ffurfio bond mewn cyferbyniad â phrosesau dau electron clasurol (Chem. Rev. 2023; J. Am. Chem. Soc. 2021). Mae'r datblygiadau hyn wedi galluogi dealltwriaeth o adweithedd bloc p, ac adweithiau ffurfio bondiau C-H a C-C detholus iawn (Chem 2024), gan ehangu cwmpas catalysis bloc p. Ochr yn ochr â hyn, rydym yn datblygu defnyddio methodolegau newydd mewn cemeg bloc p gan gynnwys electrocemeg llif (Green Chem., 2024) a chemeg microdon (J. Am. Chem. Soc. 2024). Mae'r gwaith hwn wedi cael ei gydnabod trwy nifer o wobrau, gan gynnwys Gwobr RSC Syr Geoffrey Wilkinson (2025), Gwobr Philip Leverhulme (2022), Gwobr Goffa RSC Harrison Meldola (2019), a Gwobr Clara Immerwahr (2016).

Mae prosiectau ymchwil yng ngrŵp Melen yn tynnu ynghyd sawl maes cemeg gan gynnwys synthesis organig ac anorganig, cemeg prif grŵp, a catalysis, ac yn defnyddio ystod eang o ddulliau nodweddu ffisegol (sbectrosgopeg NMR aml-niwclear, sbectrosgopeg EPR, a diffreithiant pelydr-X) a gefnogir gan astudiaethau cyfrifiadurol. Ochr yn ochr â darganfyddiadau sylfaenol, mae'r grŵp yn cydweithio â diwydiannau fferyllol, amddiffyn, lled-ddargludyddion a petrocemegol i ddatblygu deunyddiau a methodolegau bloc p newydd ar gyfer cymwysiadau diwydiannol.

Cysylltau:

Gwefan y grŵp: http://www.melengroup.com

Date
Type

2025

Richardson, S., Babaahmadi, R., Edwards, L. E., Ali, R., Melen, R. L., Roy, D. and Wirth, T. 2025. Raman study of intermediates formed during the electrochemical N-nitrosation of secondary amines. Chemistry ‐ Methods 5(3), article number: e202400067. (10.1002/cmtd.202400067)
Alotaibi, N., Babaahmadi, R., Das, S., Richards, E., Wirth, T., Pramanik, M. and Melen, R. 2025. B(C6F5)3 Catalyzed regiodivergent thioetherifications of alkenes via thiiranium intermediates: experimental and computational insights. Chemistry - A European Journal 31(10), article number: e202404236. (10.1002/chem.202404236)

2024

Boruah, T., Ishizeki, R., Roldan, A., Melen, R. L. and Wirth, T. 2024. Flow electrosynthesis of phosphinamides and phosphoramidates through P–N coupling †. Green Chemistry 26(23), pp. 11722-11727. (10.1039/d4gc04450a)
Pramanik, M., Das, S., Babaahmadi, R., Pahar, S., Wirth, T., Richards, E. and Melen, R. L. 2024. B(C6F5)3-catalyzed selective C-H chalcogenation of arenes and heteroarenes. Chem 10(9), pp. 2901-2915. (10.1016/j.chempr.2024.05.025)
Yu, C., Leitch, J. A., Gierlichs, L., Das, S., Porch, A., Melen, R. L. and Browne, D. L. 2024. Use of microwave dielectric spectroscopy for the In Actu assessment of frustrated Lewis Pair encounter complexes. Journal of the American Chemical Society 146(29), pp. 19809–19817. (10.1021/jacs.4c02736)
Pahar, S., van Ingen, Y., Babaahmadi, R., Kariuki, B. M., Wirth, T., Richards, E. and Melen, R. L. 2024. Diverse reactivity of amidinate-supported boron centers with the hypersilyl anion and access to a monomeric secondary boron hydride. Inorganic Chemistry 63(18), pp. 8302–8311. (10.1021/acs.inorgchem.4c00612)
Alotaibi, N. et al. 2024. B(C6F5)3-catalysed alkylation of imidazo[1,2-a]pyridines using α,β-unsaturated ketones. European Journal of Organic Chemistry 27(12), article number: e202400022. (10.1002/ejoc.202400022)
Elsherbeni, S. A., Melen, R. L., Pulis, A. P. and Morrill, L. C. 2024. Accessing highly substituted indoles via B(C6F5)3-catalyzed secondary Alkyl Group Transfer. The Journal of Organic Chemistry 89(6), pp. 4244-4248. (10.1021/acs.joc.4c00025)
Guerzoni, M. G., van Ingen, Y., Babaahmadi, R., Wirth, T., Richards, E. and Melen, R. L. 2024. An un-forgotten classic: the nitro-Mannich reaction between nitrones and silyl nitronates catalysed by B(C6F5)3 †. Chemical Science 15(7) (10.1039/d3sc05672d)

2023

Khan, M. N., van Ingen, Y., Boruah, T., McLauchlan, A., Wirth, T. and Melen, R. L. 2023. Advances in CO2 activation by frustrated Lewis pairs: from stoichiometric to catalytic reactions. Chemical Science 14(47), pp. 13661-13695. (10.1039/d3sc03907b)
Pahar, S., Górecka, A., Richards, E. and Melen, R. L. 2023. Flourishing reactivities of isocyanates and isothiocyanates using group 13 elements. Cell Reports Physical Science 4(12), article number: 101745. (10.1016/j.xcrp.2023.101745)
Pramanik, M., Guerzoni, M. G., Richards, E. and Melen, R. L. 2023. Recent advances in asymmetric catalysis using p‐block elements. Angewandte Chemie International Edition, article number: e202316461. (10.1002/anie.202316461)
Sokolnicki, T. et al. 2023. Reactivity of a series of triaryl borates, B(OAr x) 3, in hydroboration catalysis. Dalton Transactions 52(44), pp. 16118-16122. (10.1039/d3dt03333c)
Pulis, A. P., Morrill, L. C., Melen, R. L., Gillions, J. P., Elsherbeni, S. A., Winfrey, L. and Yun, L. 2023. Recent advances in catalysis using organoborane-mediated hydride abstraction. Accounts and Rapid Communications in Chemical Synthesis 34 (10.1055/a-2111-9629)
Boruah, T., Melen, R. L. and Wirth, T. 2023. Isodesmic metathesis chemistry: A novel way to recycle P(V). Chem Catalysis 3(8), article number: 100731. (10.1016/j.checat.2023.100731)
Pramanik, M. and Melen, R. L. 2023. Frustrated radical pairs in selective functionalization of inert aliphatic C-H bonds. Chem 9(8), pp. 2060-2062. (10.1016/j.chempr.2023.07.012)
van der Zee, L. J. C., Pahar, S., Richards, E., Melen, R. L. and Slootweg, J. C. 2023. Insights into single-electron-transfer processes in frustrated lewis pair chemistry and related donor-acceptor systems in main group chemistry. Chemical Reviews 123(15), pp. 9653-9675. (10.1021/acs.chemrev.3c00217)
Melen, R. L. and Pramanik, M. 2023. Activation of Diazo Compounds by Fluorinated Triarylborane Catalysts. Synthesis: Journal of Synthetic Organic Chemistry (10.1055/a-2118-3046)
Ali, R., Babaahmadi, R., Didsbury, M., Stephens, R., Melen, R. L. and Wirth, T. 2023. Flow electrochemistry for the N‐Nitrosation of secondary amines. Chemistry - A European Journal 29(32), article number: e202300957. (10.1002/chem.202300957)
Alotaibi, N. et al. 2023. B(3,4,5-F3H2C6)3 Lewis acid-catalysed C3-allylation of indoles. Dalton Transactions 52(16) (10.1039/d3dt00745f)
Richards, E. and Melen, R. L. 2023. Carbenium catalysis toward β-carbolines. Chem Catalysis 3(2), article number: 100511. (10.1016/j.checat.2023.100511)
Alharbi, M., van Ingen, Y., Roldan Martinez, A., Kaehler, T. and Melen, R. 2023. Synthesis and Lewis acidity of fluorinated triaryl borates. Dalton Transactions 52(6), pp. 1820-1825. (10.1039/D2DT04095F)
Pramanik, M. and Melen, R. L. 2023. Metal-free routes from carbon monoxide to ketenes. Chem 9(2) (10.1016/j.chempr.2023.01.014)
Stefkova, K., Guerzoni, M. G., van Ingen, Y., Richards, E. and Melen, R. L. 2023. B(c6f5)3-catalyzed diastereoselective and divergent reactions of vinyldiazo esters with nitrones: synthesis of highly functionalized diazo compounds. Organic Letters 25(3), pp. 500-505. (10.1021/acs.orglett.2c04198)
Stefkova, K., Carden, J. L. and Melen, R. L. 2023. Frustrated Lewis pairs in catalysis. In: Comprehensive Inorganic Chemistry III. Elsevier Reference Collection Elsevier, pp. 315-377., (10.1016/B978-0-12-823144-9.00011-X)

2022

Kustiana, B. A., Melen, R. L. and Morrill, L. C. 2022. One-pot synthesis of styrene derivatives from allyl silanes via b(c6f5)3-catalyzed isomerization-Hiyama coupling. Organic Letters 24(47), pp. 8694-8697. (10.1021/acs.orglett.2c03584)
Guerzoni, M. G., Dasgupta, A., Richards, E. and Melen, R. L. 2022. Enantioselective applications of frustrated Lewis pairs in organic synthesis. Chem Catalysis 2(11), pp. 2865-2875. (10.1016/j.checat.2022.09.007)
Dasgupta, A. et al. 2022. Chemo- and regio-selective amidation of indoles with isocyanates using borane Lewis acids. Catalysis Science & Technology 12(19), pp. 5982-5990. (10.1039/D2CY01441F)
Inoue, S., Melen, R. L. and Harder, S. 2022. Main Group Catalysis. European Journal of Inorganic Chemistry 2022(26), pp. e202200414. (10.1002/ejic.202200414)
Kustiana, B. A., Elsherbeni, S. A., Linford‐Wood, T. G., Melen, R. L., Grayson, M. N. and Morrill, L. C. 2022. B(C 6 F 5 ) 3 ‐Catalyzed E ‐selective isomerization of alkenes. Chemistry - A European Journal, article number: e202202454. (10.1002/chem.202202454)
Dasgupta, A. et al. 2022. Lewis acid assisted Brønsted acid catalysed decarbonylation of Isocyanates: a combined DFT and experimental study. Chemistry - A European Journal 28(45), article number: e202201422. (10.1002/chem.202201422)
Heard, M. J., Stefkova, K., van Ingen, Y. and Melen, R. L. 2022. Frustrated Lewis pairs in organic synthesis. In: Parkin, G., Meyer, K. and O'Hare, D. eds. Comprehensive Organometallic Chemistry IV., Vol. 11. Elsevier, pp. 563-605., (10.1016/B978-0-12-820206-7.00041-X)
Kuveke, R. E. H. et al. 2022. An international study evaluating elemental analysis. ACS Central Science 8(7), pp. 855-863. (10.1021/acscentsci.2c00325)
Kaehler, T. et al. 2022. Borane promoted aryl transfer reaction for the synthesis of α-aryl functionalised β-hydroxy and β-keto esters. Organic and Biomolecular Chemistry 20(21), pp. 4298-4302. (10.1039/D2OB00643J)
Guerzoni, M. G., van Ingen, Y. and Melen, R. L. 2022. Recent applications of fluorinated arylborane derivatives. In: Perez, P. J. ed. Advances in Organometallic Chemistry., Vol. 78. Academic Press, pp. 133-187., (10.1016/bs.adomc.2022.03.004)
Babaahmadi, R., Dasgupta, A., Hyland, C. J. T., Yates, B. F., Melen, R. L. and Ariafard, A. 2022. Understanding the influence of donor-acceptor diazo compounds on the catalyst efficiency of B(C6F5)3 towards carbene formation. Chemistry - A European Journal 28(11), article number: e202104376. (10.1002/chem.202104376)
Dasgupta, A., Pahar, S., Babaahmadi, R., Gierlichs, L., Yates, B. F., Ariafard, A. and Melen, R. L. 2022. Borane catalyzed selective diazo cross-coupling towards pyrazoles. Advanced Synthesis & Catalysis 364(4), pp. 773-780. (10.1002/adsc.202101312)
Walkowiak, J., Szyling, J., Franczyk, A. and Melen, R. 2022. Hydroelementation of diynes. Chemical Society Reviews 51(3), pp. 869-994. (10.1039/d1cs00485a)
Dasgupta, A., Richards, E. and Melen, R. L. 2022. Triarylborane catalyzed carbene transfer reactions using diazo precursors. ACS Catalysis 12, pp. 442-452. (10.1021/acscatal.1c04746)

2021

Dasgupta, A. and Melen, R. L. 2021. Shared success - s-block cooperativity toward triazoles. Chem Catalysis 1(6), pp. 1158-1160. (10.1016/j.checat.2021.10.020)
Dasgupta, A. et al. 2021. Tris(pentafluorophenyl)borane-catalyzed carbenium ion generation and autocatalytic pyrazole synthesis-a computational and experimental study. Angewandte Chemie International Edition 60(46), pp. 24395-24399. (10.1002/anie.202109744)
Dasgupta, A. et al. 2021. Tris(pentafluorphenyl)boran-katalysierte Erzeugung von Carbenium-Ionen und autokatalytische Pyrazol-Synthese – eine theoretische und experimentelle Studie. Angewandte Chemie 133(46), pp. 24599-24604. (10.1002/ange.202109744)
Kaehler, T. and Melen, R. L. 2021. Comparative study of fluorinated triarylalanes and their borane counterparts. Cell Reports Physical Science 2(10), article number: 100595. (10.1016/j.xcrp.2021.100595)
Stefkova, K., Heard, M. J., Dasgupta, A. and Melen, R. L. 2021. Borane catalysed cyclopropenation of arylacetylenes. Chemical Communications 57(55), pp. 6736-6739. (10.1039/D1CC01856F)
Gazis, T. A., Carden, J. L., Alharbi, M. M. and Melen, R. L. 2021. Triarylboranes in the activation of azo-containing compounds. In: Encyclopedia of Inorganic and Bioinorganic Chemistry. Wiley, (10.1002/9781119951438.eibc2780)
Dasgupta, A., Thiehoff, C., Newman, P. D., Wirth, T. and Melen, R. L. 2021. Reactions promoted by hypervalent iodine reagents and boron Lewis acids. Organic and Biomolecular Chemistry 19(22), pp. 4852-4865. (10.1039/D1OB00740H)
Dasgupta, A. et al. 2021. Site-selective Csp3–Csp/Csp3–Csp2 cross-coupling reactions using frustrated Lewis pairs. Journal of the American Chemical Society 143(11), pp. 4451-4464. (10.1021/jacs.1c01622)
Basak, S., Winfrey, L., Kustiana, B. A., Melen, R. L., Morrill, L. C. and Pulis, A. P. 2021. Electron deficient borane-mediated hydride abstraction in amines: stoichiometric and catalytic processes. Chemical Society Reviews 50(6), pp. 3721-3737. (10.1039/D0CS00531B)
Ayan, D., Richards, E. and Melen, R. 2021. Frustrated radical pairs: insights from EPR spectroscopy. Angewandte Chemie International Edition 60(1), pp. 53-65. (10.1002/anie.202010633)

2020

Gazis, T. A., Willcox, D. and Melen, R. L. 2020. Lewis acidic boranes in frustrated Lewis pair chemistry. In: Frustrated Lewis Pairs., Vol. 2. Molecular Catalysis, pp. 209-235., (10.1007/978-3-030-58888-5_6)
Nori, V., Dasgupta, A., Babaahmadi, R., Carlone, A., Ariafard, A. and Melen, R. 2020. Triarylborane catalysed n-alkylation of amines with aryl esters. Catalysis Science and Technology 10, pp. 7523-7530. (10.1039/D0CY01339K)
Ould, D. M. C., Carden, J. L., Page, R. and Melen, R. L. 2020. Synthesis and reactivity of fluorinated triaryl aluminum complexes. Inorganic Chemistry 59(20), pp. 14891-14898. (10.1021/acs.inorgchem.0c01076)
Dasgupta, A., Babaahmadi, R., Slater, B., Yates, B. F., Ariafard, A. and Melen, R. L. 2020. Borane-ctalyzed stereoselective C–H insertion, cyclopropanation, and ring-opening reactions. Chem 6(9), pp. 2364-2381., article number: VOLUME 6, ISSUE 9, P2364-2381, SEPTEMBER 10, 2020. (10.1016/j.chempr.2020.06.035)
Dasgupta, A., Stefkova, K., Babaahmadi, R., Gierlichs, L., Ariafard, A. and Melen, R. 2020. Triarylborane-catalysed alkenylation reaction of aryl esters with diazo compounds. Angewandte Chemie International Edition 59(36), pp. 15492-15496. (10.1002/anie.202007176)
Dasgupta, A., Stefkova, K., Babaahmadi, R., Gierlichs, L., Ariafard, A. and Melen, R. L. 2020. Triarylboran‐katalysierte Alkenylierungen von Arylestern mit Diazoverbindungen. Angewandte Chemie 132(36), pp. 15621-15626. (10.1002/ange.202007176)
Ould, D. and Melen, R. 2020. Diazaphospholene and diazaarsolene derived homogeneous catalysis. Chemistry - A European Journal 26(44), pp. 9835-9845. (10.1002/chem.202001734)
Sharma, G., Newman, P. D., Melen, R. and Platts, J. A. 2020. Computational design of an intramolecular frustrated Lewis pair catalyst for enantioselective hydrogenation. Journal of Theoretical and Computational Chemistry 19, article number: 2. (10.1142/S0219633620500091)
Basak, S., Alvarez-Montoya, A., Winfrey, L., Melen, R. L., Morrill, L. C. and Pulis, A. P. 2020. B(C6F5)3-catalyzed direct C3 alkylation of indoles and oxindoles. ACS Catalysis 10(8), pp. 4835-4840. (10.1021/acscatal.0c01141)
Stefkova, K., Gierlichs, L., Willcox, D. and Melen, R. L. 2020. Borocations in catalysis. In: Scott, R. A. ed. Encyclopedia of Inorganic and Bioinorganic Chemistry. John Wiley & Sons Ltd., (10.1002/9781119951438.eibc2641)
Carden, J. L., Dasgupta, A. and Melen, R. L. 2020. Halogenated triarylboranes: synthesis, properties and applications in catalysis. Chemical Society Reviews 49(6), pp. 1706-1725. (10.1039/C9CS00769E)
Gazis, T. et al. 2020. 1,3-Carboboration of iodonium ylides. Chemical Communications 56, pp. 3345-3348. (10.1039/C9CC08749D)
Willcox, D., Carden, J. L., Ruddy, A. J., Newman, P. D. and Melen, R. L. 2020. Asymmetric ketone hydroboration catalyzed by alkali metal complexes derived from BINOL ligands. Dalton Transactions 49(8), pp. 2417-2420. (10.1039/D0DT00232A)
Soltani, Y. et al. 2020. Radical reactivity of frustrated Lewis pairs with diaryl esters. Cell Reports Physical Science 1(2) (10.1016/j.xcrp.2020.100016)

2019

Ould, D. M. C., Tran, T. T. P., Rawson, J. M. and Melen, R. L. 2019. Structure-property-reactivity studies on dithiaphospholes. Dalton Transactions 48(45), pp. 16922-16935. (10.1039/C9DT03577J)
Willcox, D. and Melen, R. L. 2019. Borane-catalyzed heterocycle synthesis. Trends in Chemistry 1(6), pp. 625-626. (10.1016/j.trechm.2019.06.011)
Gazis, T. A., Dasgupta, A., Hill, M. S., Rawson, J. M., Wirth, T. and Melen, R. L. 2019. Reactions of hydrazones and hydrazides with Lewis acidic boranes. Dalton Transactions(33), pp. 12391-12395. (10.1039/C9DT01359H)
Willcox, D. and Melen, R. L. 2019. Illuminating Lewis acidity strength. Chem 5(6), pp. 1362-1363. (10.1016/j.chempr.2019.04.001)
Santi, M., Ould, D. M. C., Wenz, J., Soltani, Y., Melen, R. L. and Wirth, T. 2019. Metal-free tandem rearrangement/lactonization: Access to 3,3-disubstituted benzofuran-2-(3H)-ones. Angewandte Chemie International Edition 58(23), pp. 7861-7865. (10.1002/anie.201902985)
Melen, R. L. 2019. Frontiers in molecular p-block chemistry: From structure to reactivity. Science 363(6426), pp. 479-484. (10.1126/science.aau5105)
Zhu, D., LaFortune, J. H. W., Melen, R. L. and Stephan, D. W. 2019. Electrophilic boron carboxylate and phosphinate complexes. Dalton Transactions 48(6), pp. 2038-2045. (10.1039/C8DT04818E)
Carden, J., Gierlichs, L., Wass, D., Browne, D. and Melen, R. 2019. Unlocking the catalytic potential of tris(3,4,5-trifluorophenyl)borane with microwave irradiation. Chemical Communications 55(3), pp. 318-321. (10.1039/C8CC09459D)

2018

Soltani, Y., Adams, S. J., Boerger, J., Wilkins, L. C., Newman, P. D., Pope, S. J. A. and Melen, R. L. 2018. Synthesis and photophysical properties of imine borane adducts towards vapochromic materials. Dalton Transactions 47(36), pp. 12656-12660. (10.1039/C8DT03019G)
Khan, I., Reed-Berendt, B. G., Melen, R. L. and Morrill, L. C. 2018. FLP-catalyzed transfer hydrogenation of silyl enol ethers. Angewandte Chemie International Edition 57(38), pp. 12356-12359. (10.1002/anie.201808800)
Ruddy, A. J., Ould, D. M. C., Newman, P. D. and Melen, R. L. 2018. Push and pull: the potential role of boron in N2 activation. Dalton Transactions 47(31), pp. 10377-10381. (10.1039/C8DT01168K)
Schneider, C., LaFortune, J. H. W., Melen, R. L. and Stephan, D. W. 2018. Lewis and Brønsted basicity of phosphine-diazomethane derivatives. Dalton Transactions 47(36), pp. 12742-12749. (10.1039/C8DT02420K)
Melen, R. and Ould, D. 2018. Arsenic catalysis: Hydroboration of aldehydes using a benzo-fused diaza-benzyloxy-arsole. Chemistry - A European Journal (10.1002/chem.201803508)
Hokamp, T., Mollari, L., Wilkins, L. C., Melen, R. L. and Wirth, T. 2018. Alternative strategies with iodine: fast access to previously inaccessible iodine(III) compounds. Angewandte Chemie International Edition 57(27), pp. 8306-8309. (10.1002/anie.201804642)
Wilkins, L. C., Soltani, Y., Lawson, J. R., Slater, B. and Melen, R. L. 2018. Divergent elementoboration: 1,3-haloboration versus 1,1-carboboration of propargyl esters. Chemistry - A European Journal 24(29), pp. 7364-7368. (10.1002/chem.201801493)
Melen, R. L. 2018. A step closer to metal-free dinitrogen activation: a new chapter in the chemistry of frustrated Lewis pairs. Angewandte Chemie International Edition 57(4), pp. 880-882. (10.1002/anie.201711945)
Melen, R. L. 2018. Metallfreie Stickstoffaktivierung: Ein neues Kapitel in der Chemie frustrierter Lewis-Paare. Angewandte Chemie 130(4), pp. 890-892. (10.1002/ange.201711945)

2017

Melen, R., Soltani, Y. and Wilkins, L. 2017. A comparative assessment of modern cyclization methods of substituted alkynyl esters, ethers, and acids. Synlett 29(1), pp. 01-07. (10.1055/s-0036-1591862)
Wilkins, L. C., Melen, R. L., Platts, J. A. and Newman, P. D. 2017. Amidine functionalized phosphines: tuneable ligands for transition metals. Dalton Transactions 46(41), pp. 14234-14243. (10.1039/C7DT03343E)
Khan, I., Manzotti, M., Tizzard, G. J., Coles, S. J., Melen, R. L. and Morrill, L. C. 2017. Frustrated Lewis pair (FLP)-catalyzed hydrogenation of aza-Morita–Baylis–Hillman adducts and sequential organo-FLP catalysis. ACS Catalysis 7(11), pp. 7748-7752. (10.1021/acscatal.7b03077)
Soltani, Y., Wilkins, L. C. and Melen, R. L. 2017. Stoichiometric and catalytic C-C and C-H bond formation with B(C6F5)3 via cationic intermediates. Angewandte Chemie International Edition 56(39), pp. 11995-11999. (10.1002/anie.201704789)
Wilkins, L. C. and Melen, R. L. 2017. Small molecule activation with frustrated Lewis pairs. In: Encyclopedia of Inorganic and Bioinorganic Chemistry. Wiley, pp. 1-24., (10.1002/9781119951438.eibc2520)
Soltani, Y., Wilkins, L. C. and Melen, R. L. 2017. Stöchiometrische und katalytische C-C- und C-H-Bindungsbildung mit B(C6 F5 )3 über kationische Zwischenstufen. Angewandte Chemie 129(39), pp. 12157-12161. (10.1002/ange.201704789)
Ould, D. M. C. et al. 2017. Investigations into the photophysical and electronic properties of pnictoles and Their pnictenium counterparts. Organometallics 37(5), pp. 712-719. (10.1021/acs.organomet.7b00564)
Tran, T. T. P., Ould, D. M. C., Wilkins, L. C., Wright, D. S., Melen, R. and Rawson, J. M. 2017. Supramolecular aggregation in dithia-arsoles: chlorides, cations and N-centred paddlewheels. Crystengcomm 19(32), pp. 4696-4699. (10.1039/C7CE01117B)
Wilkins, L. C., Santi, N., Luk, L. Y. P. and Melen, R. L. 2017. Reactions of biologically inspired hydride sources with B(C6F5)3. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 375(2101), article number: 20170009. (10.1098/rsta.2017.0009)
Lawson, J., Wilkins, L. and Melen, R. 2017. Tris(2,4,6-trifluorophenyl)borane: an efficient hydroboration catalyst. Chemistry - a European Journal 23(46), pp. 10997-11000. (10.1002/chem.201703109)
Lawson, J. R. and Melen, R. 2017. Tris(pentafluorophenyl)borane and beyond: modern advances in borylation chemistry. Inorganic Chemistry 56(15), pp. 8627-8643. (10.1021/acs.inorgchem.6b02911)
Wilkins, L. C., Howard, J. L., Burger, S., Frentzel-Beyme, L., Browne, D. L. and Melen, R. L. 2017. Exploring multistep continuous-flow hydrosilylation reactions catalyzed by tris(pentafluorophenyl)borane. Advanced Synthesis and Catalysis 359(15), pp. 2580-2584. (10.1002/adsc.201700349)
Lawson, J. R. and Melen, R. L. 2017. Recent developments and applications of Lewis acidic boron reagents. In: Fairlamb, I. et al. eds. Organometallic Chemistry., Vol. 41. Royal Society of Chemistry, pp. 1-27., (10.1039/9781782626923-00001)
Yin, Q., Soltani, Y., Melen, R. and Oestreich, M. 2017. BArF3-catalyzed imine hydroboration with pinacolborane not requiring the assistance of an additional Lewis base. Organometallics 36(13), pp. 2381-2384. (10.1021/acs.organomet.7b00381)

2016

Melen, R., Less, R. J., Pask, C. M. and Rawson, J. M. 2016. Structural studies of Perfluoroaryldiselenadiazolyl Radicals: Insights into Dithiadiazolyl Chemistry. Inorganic Chemistry 55(22), pp. 11747-11759. (10.1021/acs.inorgchem.6b01771)
Lawson, J., Wilkins, L., Andre, M., Richards, E., Ali, M., Platts, J. A. and Melen, R. 2016. Synthesis and reactivity of N,N’-1,4-diazabutadiene derived borocations. Dalton Transactions 45(41), pp. 16177-16181. (10.1039/C6DT03360A)
Lam, J. et al. 2016. Chiral carbene–borane adducts: precursors for borenium catalysts for asymmetric FLP hydrogenations. Dalton Transactions 45(39), pp. 15303-15316. (10.1039/C6DT02202B)
Wilkins, L. C. and Melen, R. L. 2016. Enantioselective main group catalysis: modern catalysts for organic transformations. Coordination Chemistry Reviews 324, pp. 123-139. (10.1016/j.ccr.2016.07.011)
Wilkins, L. C., Lawson, J. R., Wieneke, P., Rominger, F., Hashmi, A. S. K., Hansmann, M. M. and Melen, R. L. 2016. The propargyl rearrangement to functionalised allyl-boron and borocation compounds. Chemistry - a European Journal 22(41), pp. 14618-14624. (10.1002/chem.201602719)
Wilkins, L. C., Gunther, B. A. R., Walther, M., Lawson, J. R., Wirth, T. and Melen, R. L. 2016. Contrasting frustrated Lewis pair reactivity with selenium- and boron-based Lewis acids. Angewandte Chemie International Edition 55(37), pp. 11292-11295. (10.1002/anie.201605239)
Wilkins, L., Günther, B. A., Walther, M., Lawson, J., Wirth, T. and Melen, R. 2016. Gegensätzliche Reaktivität frustrierter Lewis-Paare mit Selen- und Bor-basierten Lewis-Säuren. Angewandte Chemie 128(37), pp. 11462-11465. (10.1002/ange.201605239)
Melen, R. L. and Stephan, D. W. 2016. Main group transformations. Dalton Transactions 45(14), pp. 5879-5879. (10.1039/C6DT90027E)
Melen, R. L. and Gade, L. H. 2016. New chemistry with anionic NNN pincer ligands. In: Topics in Organometallic Chemistry., Vol. 54. Springer, pp. 179-208., (10.1007/3418_2015_114)

2015

Hansmann, M. M., Melen, R. L., Rudolph, M., Rominger, F., Waderpohl, H., Stephan, D. W. and Hashmi, A. S. K. 2015. Cyclopropanation/carboboration reactions of enynes with B(C6F5)3. Journal of the American Chemical Society 137(49), pp. 15469-15477. (10.1021/jacs.5b09311)
Wilkins, L. et al. 2015. Pathways to functionalized heterocycles: propargyl rearrangement using B(C6F5)3. Organometallics 34(21), pp. 5298-5309. (10.1021/acs.organomet.5b00753)
Wilkins, L., Hamilton, H., Kariuki, B., Hashmi, S., Hansmann, M. and Melen, R. 2015. Lewis acid-base 1,2-addition reactions: synthesis of pyrylium borates from en-ynoate precursors.. Dalton Transactions 45, pp. 5929-5932. (10.1039/C5DT03340C)
Melen, R. L. et al. 2015. Diverging pathways in the activation of allenes with Lewis acids and bases: addition, 1,2-Carboboration, and cyclization. Organometallics 34(16), pp. 4127-4137. (10.1021/acs.organomet.5b00546)
Melen, R. L. 2015. Dehydrocoupling routes to element-element bonds catalysed by main group compounds. Chemical Society Reviews 45, pp. 775-788. (10.1039/c5cs00521c)
Melen, R. L. and Stephan, D. W. 2015. Cycloaddition reactions of (C6F5)2BN3 with dialkyl acetylenedicarboxylates. Dalton Transactions 44(11), pp. 5045-5048. (10.1039/C5DT00316D)
Bähr, A., Wilkins, L., Ollegott, K., Kariuki, B. and Melen, R. L. 2015. σ- versus π-activation of alkynyl benzoates using B(C6F5)3. Molecules 20(3), pp. 4530-4547. (10.3390/molecules20034530)

2014

Deng, Q., Melen, R. L. and Gade, L. H. 2014. Anionic chiral tridentate N-donor pincer ligands in asymmetric catalysis. Accounts of Chemical Research, article number: 140828133938004. (10.1021/ar5002457)
Sauer, D. C., Melen, R. L., Kruck, M. and Gade, L. H. 2014. Chromophores, fluorophores and robust ancillary ligands for molecular catalysts: 1,3-Bis(2-pyridylimino)isoindolines. European Journal of Inorganic Chemistry(28), pp. 4715-N4725. (10.1002/ejic.201402595)
Melen, R. L., Simmonds, H. R., Wadepohl, H., Wood, P. T., Gade, L. H. and Wright, D. S. 2014. Formation of an unusual bis(diguanidinate) ligand via nucleophilic attack of a guanidinate onto a carbodiimide. Australian Journal of Chemistry 67(7), pp. 1030-1036. (10.1071/CH14170)
Hansmann, M. M., Melen, R. L., Rominger, F., Hashmi, A. S. K. and Stephan, D. W. 2014. B(C6F5)3 promoted cyclisation of internal propargyl esters: structural characterisation of 1,3-dioxolium compounds. Chemical Communications 50(55), pp. 7243-7245. (10.1039/c4cc01370k)
Hansmann, M. M., Melen, R. L., Rominger, F., Hashmi, A. S. K. and Stephan, D. W. 2014. Activation of alkynes with B(C6F5)3 – boron allylation reagents derived from propargyl esters. Journal of the American Chemical Society 136(2), pp. 777-782. (10.1021/ja4110842)

2013

Melen, R. L. and Rawson, J. M. 2013. Structural variations on an electron precise theme: Rationalising the structures of main group cages. Coordination Chemistry Reviews 257(7-8), pp. 1232-1243. (10.1016/j.ccr.2012.11.016)
Melen, R. L. 2013. Applications of pentafluorophenyl boron reagents in the synthesis of heterocyclic and aromatic compounds. Chemical Communications 50(10), pp. 1161-1174. (10.1039/c3cc48036d)
Melen, R. L. 2013. Applications and reactivity trends of homoleptic p-block metal amido reagents. Dalton Transactions 42(47), pp. 16449-16465. (10.1039/c3dt52472h)
Melen, R. L., Hansmann, M. M., Lough, A. J., Hashmi, A. S. K. and Stephan, D. W. 2013. Cyclisation versus 1,1-carboboration: reactions of B(C6F5)3 with propargyl amides. Chemistry - a European Journal 19(36), pp. 11928-11938. (10.1002/chem.201301899)
Melen, R. L., Lough, A. J. and Stephan, D. W. 2013. Boron azides in Staudinger oxidations and cycloadditions. Dalton Transactions 42(24), pp. 8674-8683. (10.1039/c3dt50791b)
Melen, R. L. and Stephan, D. W. 2013. Cycloaddition reactions between dicyclohexylboron azide and alkynes. Dalton Transactions 42(14), pp. 4795-4798. (10.1039/c3dt00068k)
Melen, R. L., Eisler, D. J., Hewitt, R. A. and Rawson, J. M. 2013. Synthesis and structural studies on thioimides, R2CNSR and sulfur diimides, R2CNSNCR2. Dalton Transactions 42(11), pp. 3888-3895. (10.1039/c2dt32878j)
Melen, R. L. 2013. Q&A: The bond shifter [interview]. Nature 502(7471), pp. S56-S57. (10.1038/502S56a)

2012

Less, R. J., Melen, R. L. and Wright, D. S. 2012. Catalytic versus stoichiometric dehydrocoupling using main group metals. RSC Advances 2(6), pp. 2191-2199. (10.1039/c2ra00882c)
Melen, R. L., Rawson, J. M. and Eisler, D. J. 2012. Structural studies of copper(II) complexes derived from di-2-pyridyl-ketone, (py)2CO. Polyhedron 47(1), pp. 16-23. (10.1016/j.poly.2012.08.009)
Stokes, F. A. et al. 2012. Structure and Bonding of the Manganese(II) Phosphide Complex (t-BuPH2)(η5-Cp)Mn{μ-(t-BuPH)}2Mn(Cp)(t-BuPH2). Organometallics 31(1), pp. 23-26. (10.1021/om200381p)

2011

Hansmann, M. M., Melen, R. L. and Wright, D. S. 2011. Group 13 BN dehydrocoupling reagents, similar to transition metal catalysts but with unique reactivity. Chemical Science 2(8), pp. 1554-1559. (10.1039/c1sc00154j)
Melen, R. L., McPartlin, M. and Wright, D. S. 2011. An unexpected dependence on the SnII base; reactions of Sn(NR2)2 with aromatic dithiols. Dalton Transactions 40(8), pp. 1649-1651. (10.1039/c0dt01690j)
Cowley, H. J., Holt, M. S., Melen, R. L., Rawson, J. M. and Wright, D. S. 2011. Catalytic dehydrocoupling of Me2NHBH3 with Al(NMe2)3. Chemical Communications 47(9), pp. 2682-2684. (10.1039/c0cc05294a)
Less, R. J., Melen, R. L. and Wright, D. S. 2011. Group 2 (Be-Ba) and Group 12 (Zn-Hg). Organometallic Chemistry : Volume 37 37, pp. 100-114. (10.1039/9781849732802-00100)

2010

McPartlin, M., Melen, R. L., Naseri, V. and Wright, D. S. 2010. Formation and rearrangement of SnII phosphanediide cages. Chemistry - a European Journal 16(29), pp. 8854-8860. (10.1002/chem.201000656)
Chan, W. T., García, F., McPartlin, M., Melen, R. L. and Wright, D. S. 2010. Syntheses and structures of [Me2Si{As(PtBu)3}2] and [(CyP)3SiMe2] (Cy=cyclohexyl, C6H11). Journal of Organometallic Chemistry 695(7), pp. 1069-1073. (10.1016/j.jorganchem.2009.12.011)
Bullock, T. H., Melen, R. L. and Wright, D. S. 2010. Group 2 (Be-Ba) and Group 12 (Zn-Hg). Organometallic Chemistry : Volume 36 36, pp. 168-181. (10.1039/9781847559616-00168)
Clark, E. R., Melen, R. L. and Rawson, J. M. 2010. Oxygen, sulfur, selenium, tellurium and polonium. Annual Reports on the Progress of Chemistry - Section A 106, pp. 119-135. (10.1039/b918371j)

2009

Less, R. J., Melen, R. L., Naseri, V. and Wright, D. S. 2009. Recent perspectives on main group-mediated dehydrocoupling of P–P bonds. Chemical Communications(33), pp. 4929-4937. (10.1039/b907823a)
Haynes, D. A., Melen, R. L. and Rawson, J. M. 2009. Oxygen, sulfur, selenium, tellurium and polonium. Annual Reports on the Progress of Chemistry - Section A 105, pp. 155-164. (10.1039/b818151a)

2008

Bacon, C. E., Eisler, D. J., Melen, R. L. and Rawson, J. M. 2008. Formation of N-bridgehead 1,2,5-thiadiazolium and selenadiazolium rings through an intramolecular cyclisation reaction. Chemical Communications 40, pp. 4924-4926. (10.1039/b809987a)

Ail-ddychmygu Cemeg P-Bloc ar gyfer Synthesis ac Arloesi Diwydiannol

Dylunio Catalydd | Catalysis Di-fetel | Mecanweithiau Adwaith | Nodweddu Cyfansawdd | Ceisiadau Diwydiannol

Mae catalysis yn sail i dros 85% o weithgynhyrchu cemegol modern, o fferyllol ac agrocemegion i danwyddau a deunyddiau. Fodd bynnag, mae goruchafiaeth metelau pontio prin a gwenwynig fel catalyddion yn codi heriau mawr: costau uchel, difrod amgylcheddol o fwyngloddio a mireinio, a materion gwenwyndra a gwastraff mewn cymwysiadau defnydd terfynol. Mae fy rhaglen ymchwil yn mynd i'r afael â'r heriau hyn trwy arloesi dewisiadau amgen cynaliadwy yn seiliedig ar elfennau bloc p (prif grŵp), rhan o'r tabl cyfnodol. Trwy diwnio adweithedd a mecanwaith yn ofalus, rydym yn datblygu catalyddion ac adweithyddion sydd nid yn unig yn rhydd o fetel ond hefyd yn darparu adweithedd cyflenwol i systemau metel pontio traddodiadol.

Mae prosiectau ymchwil yng ngrŵp Melen yn cyfuno synthesis organig ac anorganig, catalysis, cemeg prif grŵp, ac astudiaethau mecanistaidd, gyda chefnogaeth ystod eang o dechnegau nodweddu (NMR aml-niwclear, diffreithiant pelydr-X) a modelu cyfrifiadurol. Mae'r dull amlddisgyblaethol hwn wedi arwain at ddatblygiadau mewn catalysis cynaliadwy, paradeimau mecanyddol newydd, a chyfieithu i dechnolegau diwydiannol. Isod mae sawl maes ymchwil sy'n mynd rhagddo o fewn ein grŵp.

Catalyddion Di-fetel sy'n disodli metelau gwerthfawr

Llinyn canolog ein hymchwil yw dylunio catalyddion o elfennau bloc p fel boron, alwminiwm a ffosfforws. Gan ddefnyddio dyluniad ligand i reoli priodweddau sterig ac electronig, rydym wedi datblygu catalyddion sy'n gallu cyfryngu hydrogenation, hydroboration, ffurfio bondiau C-C, a throsglwyddo carbene.

Mewn cyfraniad diffiniol, fe wnaethom ddangos y gall asidau boron Lewis gataleiddio trosglwyddiad carbene o gyfansoddion diazo, rôl a ddominyddwyd yn flaenorol gan rhodiwm a metelau gwerthfawr eraill. Arweiniodd yr astudiaethau hyn at lwybrau newydd, di-fetel ar gyfer cynhyrchu carbenau adweithiol a ffurfio fframweithiau carbon-carbon cymhleth o dan amodau ysgafn (Chem 2020, 6, 2364; Angew. Chem. Int. Ed. 2020, 59, 15492). Yn fwy diweddar, fe wnaethom adrodd am ffurfio bondiau C-S wedi'i gataleiddio gan boron, gan alluogi mynediad at fotiffau sy'n cynnwys sylffwr sy'n ganolog i fferyllol ac agrocemegion (Chem 2024, 10, 2901). Mae'r datblygiadau hyn yn tynnu sylw at bŵer prif elfennau'r grŵp i ddynwared ac yn rhagori ar adweithedd metel pontio traddodiadol.

Herio Rhagdybiaethau Mecanistaidd: Adweithedd Electron Sengl

Yn hanesyddol, mae adweithedd prif grŵp wedi cael ei ddominyddu gan brosesau dau electron. Mae ein gwaith wedi herio'r patrwm hwn trwy ddangos y gall llwybrau trosglwyddo electron sengl (SET) ddarparu llwybrau amgen, ynni is i ffurfio bondiau.

Yn benodol, rydym wedi arloesi yn y defnydd o barau radical rhwystredig (sy'n deillio o barau Lewis rhwystredig) i alluogi adweithedd radical mewn cemeg prif grŵp. Trwy astudiaethau arbrofol wedi'u cyfuno â sbectrosgopeg a chyfrifo, fe wnaethom ddarganfod llwybrau SET mewn adweithiau ffurfio bondiau a oedd yn flaenorol yn tybio eu bod yn mynd ymlaen trwy fecanweithiau dau electron clasurol (J. Am. Chem. Soc. 2021, 143, 4451; Chem. Rev. 2023, 123, 9653). Mae hyn wedi agor methodolegau ffurfio bondiau carbon-carbon newydd ac wedi darparu glasbrint ar gyfer ehangu cemeg radical y bloc p.

Gwella Safonau Gwyddonol: Ailfeddwl Dadansoddi Elfennol

Mae nodweddu cyfansoddion newydd yn hanfodol. Yn un o'n hastudiaethau a drafodwyd fwyaf eang, roeddem yn rhan o werthusiad rhyngwladol o safonau dadansoddi elfennol, gan ddangos bod y gofyniad hirsefydlog ar gyfer cytundeb ±0.4% â gwerthoedd damcaniaethol yn ystadegol anghywir. Tynnodd y gwaith hwn, a gyhoeddwyd yn ACS Cent. Sci. (2022, 8, 855), sylw at ddadl eang, yn Chemistry World, ACS Cent. Sci., a Science, a dylanwadodd yn uniongyrchol ar bolisïau cyhoeddwyr newydd. Mae'r prosiect hwn yn dangos sut y gall gwella trylwyredd dadansoddol wella uniondeb data ac atgynhyrchadwyedd ar draws cemeg.

Cymwysiadau Diwydiannol ac Effaith Ehangach

Ochr yn ochr â darganfyddiadau sylfaenol, mae gan ein hymchwil berthnasedd diwydiannol sylweddol, gyda phrosiectau sy'n cwmpasu fferyllol, ynni a gwyddor deunyddiau. Trwy gydweithio â chwmnïau byd-eang a sefydliadau ymchwil, rydym yn cyfieithu cysyniadau newydd mewn cemeg bloc p i dechnolegau ymarferol o synthesis cynaliadwy i ddeunyddiau uwch. Mae'r partneriaethau hyn yn dangos sut y gall ymchwil sylfaenol i brif elfennau grŵp gael effaith diriaethol ar ynni gwyrdd, gofal iechyd, a deunyddiau'r genhedlaeth nesaf.

CH5202 Strwythur, bondio ac adweithedd mewn cyfansoddion o'r elfennau p a d-bloc

CH3404 Synthesis Anghymesur o Fferyllol a Chynhyrchion Naturiol

Gellir dod o hyd i fanylion modiwlau yn Course finder.

Penodiadau Proffesiynol

2021–Athro presennol mewn Cemeg Anorganig, Prifysgol Caerdydd, y DU.

2019–2021 Darllenydd mewn Cemeg Anorganig, Prifysgol Caerdydd, y DU.

2017–2019 Uwch Ddarlithydd mewn Cemeg Anorganig, Prifysgol Caerdydd, y DU.

2015–2016 Athro Gwadd gyda'r Athro Dr. Martin Oestreich fel rhan o Wobr Clara Immerwahr , Technische Universität Berlin, yr Almaen.

2014–2017 Darlithydd mewn Cemeg Anorganig, Prifysgol Caerdydd, y DU.

2013–2014 Cymrodoriaeth Alexander von Humboldt gyda'r Athro Dr. Lutz H. Gade, Ruprecht-Karls-Universität Heidelberg, yr Almaen.

2012–2013 Cymrodoriaeth Ôl-ddoethurol gyda'r Athro Douglas W. Stephan, Prifysgol Toronto, Canada.

Addysg a Hyfforddiant

2012 PhD "Catalytic Versus Stoichiometric Dehydrocoupling Using Main Group Metals", Adran Cemeg, Prifysgol Caergrawnt, y DU. Yr Athro Dominic S. Wright

2011 MA, Adran Cemeg, Prifysgol Caergrawnt, y DU.

2008 MSc, Adran Cemeg, Prifysgol Caergrawnt, y DU.

2008 BA, Adran Cemeg, Prifysgol Caergrawnt, y DU.

Anrhydeddau a dyfarniadau

2025 RSC Gwobr Syr Geoffrey Wilkinson

Gwobr Philip Leverhulme 2022

2022 Etholwyd yn Gymrawd Cymdeithas Ddysgedig Cymru

Cymrodoriaeth Cynhadledd Bürgenstock 2019

Gwobr Goffa RSC Harrison Meldola 2019

2019 Cymdeithas Ddysgedig Cymru, Medal Dillwyn

Enillydd Gwobr Thieme Journal 2018.

2016 Cymrawd Academi Addysg Uwch.

2016 Gwobr C lara Immerwahr

Gwobr Ymchwilydd Ifanc RSC Dalton 2013

Aelodaethau proffesiynol

Cymdeithas Ddysgedig Cymru

Cymdeithas Gemeg Frenhinol

Ymrwymiadau siarad cyhoeddus

Cyfanswm o 168 o gyflwyniadau mewn Prifysgolion a Chynadleddau. Mae hyn yn cynnwys seminarau adrannol gwahoddedig yn y DU, UDA, Awstralia, yr Almaen, Canada, Ffrainc, India, Japan, yr Iseldiroedd, Sbaen, a'r Swistir, yn ogystal â sgyrsiau cyweirnod / llawn gwahoddedig mewn cynadleddau cenedlaethol a rhyngwladol.

Pwyllgorau ac adolygu

Trefnu Cynadleddau:

2025 Cyd-gadeirydd Symposiwm Byd-eang Rhithwir ACS Fall 2025 "Adweithiau Hydroelementation".

2025 Cynhadledd Canada-DU ar Gemeg Anorganig, Dinas Quebec, Canada (pwyllgor trefnu).

2025 Cynhadledd Cemeg Caerdydd, Caerdydd, y DU (pwyllgor trefnu).

2018 MICRA, Caerdydd, y DU (pwyllgor trefnu).

2018 Cynhadledd Dalton, Coventry, y DU (pwyllgor trefnu).

2017 SCI Hot Topics in Organic Synthesis, Pencadlys SCI, Llundain, y DU (pwyllgor trefnu).

Cyfarfod Grŵp Diddordeb Prif Grŵp 2017 , Burlington House, Llundain, y DU (pwyllgor trefnu).

2017 RSC Syr Geoffrey Wilkinson Symposiwm Poster Dalton (cadeirydd pwyllgor trefnu).

Cynhadledd Poster Twitter RSC 2017 (cadeirydd pwnc anorganig).

2016 Cynhadledd Dalton, Coventry, y DU (sesiwn poster).

2015–2023 Cynhadledd Cemeg Caerdydd, Caerdydd, DU (pwyllgor trefnu).

Cyfrifoldebau Academaidd:

027–2029 Aelod o Banel Fframwaith Rhagoriaeth Ymchwil UOA 8.

2023–Panel Penodi Ymchwil URF Cymdeithas Frenhinol Cyfredol A(ii).

2023–Astudiaethau Israddedig Arholwr Allanol Cyfredol , Prifysgol Lincoln.

2023–2024 Is-bwyllgor Gwobrau Adran Dalton RSC.

2023–Golygydd Cyswllt Cyfredol EES Catalysis (RSC).

2021–2023 Arholwr Allanol Astudiaethau Israddedig, Coleg y Drindod, Dulyn.

2022–Bwrdd Cynghori Golygyddol Catalysis ACS (ACS) cyfredol .

2022–Adolygydd allanol cyfredol o geisiadau hyrwyddo (×4).

2021–Cyd-olygydd gwadd cyfredol ar gyfer rhifyn arbennig EurJIC a ChemCatChem .

2020–Bwrdd Cynghori AsiaiddJOC cyfredol , ChemEurJ, Chem, Chem Catalysis, ac Organometallics .

2021–2025 Aelod o'r Panel modd ymatebol/cyfweliad EPSRC (×5).

2019–Golygydd Cyfredol EIBC (Wiley).

2016–2019 Aelod o Banel Cemegwyr Ifanc SCI.

2016–Aelod cyfredol o Goleg Adolygu Cymheiriaid Cyswllt EPSRC.

2016–2017 Is-bwyllgor Grantiau Teithio Adran Dalton RSC.

2016–2022 Trysorydd Prif Grŵp Diddordeb yr RSC.

2016 Golygydd Gwadd ar gyfer rhifyn arbennig o Dalton Transactions.

2016–2019 Golygydd Cyswllt EIBC (Wiley).

2015–2017 Is-bwyllgor Gwobrau Adran Dalton RSC.

2015–2021 Aelod o Gyngor Adran Dalton o'r RSC.

2015–2019 Trysorydd adran leol De-ddwyrain Cymru o'r RSC.

2014–Adolygiad Cyfredol gan Gymheiriaid o grantiau ymchwil cenedlaethol a rhyngwladol.

2014–Adolygiad cyfredol gan gymheiriaid o lawysgrifau ar gyfer cyfnodolion/llyfrau Science, Elsevier, RSC, ACS a Wiley VCH.

2014–Arholwr PhD Mewnol/Allanol Cyfredol : DU (×9), Tramor (×6). Arholwr MRes allanol: UK (×1).

Cyfrifoldebau sefydliadol:

2024–Dirprwy Gyfarwyddwr Ymchwil presennol .

2024–Grŵp Arbenigol EPSRC cyfredol .

2021–Pwyllgor Ymchwil Cyfredol .

2014–Pwyllgor Trefnu Cyfredol Cynhadledd Cemeg flynyddol Caerdydd.

Goruchwyliaeth gyfredol

Nusaybah Alotaibi

Tribani Boruah

Tanmay Kanji

Taylor Wilde

Ho Pang Mak

Contact Details

MelenR@caerdydd.ac.uk
+44 29208 79667
Y Ganolfan Ymchwil Drosiadol, Ystafell 0.54, Heol Maindy, Cathays, Caerdydd, CF24 4HQ

Themâu ymchwil

Arbenigeddau

Cemeg anorganig
Cemeg organig
Catalysis homogenaidd

Pymtheg o Brifysgol Caerdydd yn dod yn aelodau o is-baneli’r Fframwaith Rhagoriaeth Ymchwil (REF)

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ORCID

Yr Athro Rebecca Melen (hi/ei)