Charlotte Williams Research

Department of Chemistry University of Oxford

Mg(ii) heterodinuclear catalysts delivering carbon dioxide derived multi-block polymers

G. Rosetto, A. C. Deacy, and C. K. Williams, Chem. Sci., 2021, Advance Article

Part of 2021 Chemical Science HOT Article Collection


Sequence Control from Mixtures: Switchable Polymerization Catalysis and Future Materials Applications

A. C. Deacy, G. L. Gregory, G. S. Sulley, T. T. D. Chen and C. K. Williams, J. Am. Chem. Soc., 2021, 143, 10021–10040


Heterodinuclear Zn(II), Mg(II) or Co(III) with Na(I) Catalysts for Carbon Dioxide and Cyclohexene Oxide Ring Opening Copolymerizations

W. Lindeboom, D. A. X. Fraser, C. B. Durr, and C. K. Williams, Chem. Eur. J., 2021, 27, 12224–12231

Very Important Paper based on referees suggestion


Heterocycle/Switchable Polymerization Catalysis Using a Tin(II) Catalyst and Commercial Monomers to Toughen Poly(L-lactide)

N. Yuntawattana, G. L. Gregory, L. P. Carrodeguas and C. K. Williams, ACS Macro Lett., 2021, 10, 774 - 779


Heterocycle/Heteroallene Ring Opening Copolymerization: Selective Catalysis Delivering Alternating Copolymers

A. J. Plajer and C. K. Williams, Angew. Chem. Int. Ed., 2021


Heterotrimetallic Carbon Dioxide Copolymerization and Switchable Catalysts: Sodium is the Key to High Activity and Unusual Selectivity

A. J. Plajer and C. K. Williams, Angew. Chem. Int. Ed., 2021, 60, 2-10

Hot Paper


Direct Organometallic Synthesis of Carboxylate Intercalated Layered Zinc Hydroxides for Fully Exfoliated Functional Nanosheets

S. A. Said, C. S. Roberts, J. K. Lee, M. S. P. Shaffer, and C. K. Williams, Adv. Funct. Mater, 2021, 2102631

Front piece: https://onlinelibrary.wiley.com/doi/abs/10.1002/adfm.202170218


Heterodinuclear catalysts Zn(II)/M and Mg(II)/M, where M = Na(I), Ca(II) or Cd(II), for phthalic anhydride/cyclohexene oxide ring opening copolymerisation

A. C. Deacy, C. B. Durr, R. W. F. Kerr, and C. K. Williams, Cat. Sci. Tech., 2021, 11, 3109-3118


High-performance plastic made from renewable oils is chemically recyclable by design

C. K. Williams and G. L. Gregory, Nature, 2021, 590, 391-392


Ultrarapid Cerium(III)–NHC Catalysts for High Molar Mass Cyclic Polylactide

R. W. F. Kerr, P. M. D. A. Ewing, S. K. Raman, A. D. Smith, C. K. Williams and P. L. Arnold, ACS. Catal., 2021, 11, 1563-1569


Ortho-vanillin derived Al(III) and Co(III) catalyst systems for switchable catalysis using ε-decalactone, phthalic anhydride and cyclohexene oxide

W. T. Diment, T. Stosser, R. W. F. Kerr, A. Phanopoulos, C. B. Durr, and C. K. Williams, Catal. Sci. Technol., 2021, 11, 1737 - 1745


High elasticity, chemically recyclable, thermoplastics from bio-based monomers: carbon dioxide, limonene oxide and ε-decalactone

L. P. Carrodeguas, T. T. D. Chen, G. L. Gregory, G. S. Sulley, and C. K. Williams, Green Chem., 2020, 22, 8298 - 8307

2020 Hot Green Chemistry Article


Co(III)/Alkali-Metal(I) Heterodinuclear Catalysts for the Ring-Opening Copolymerization of CO2 and Propylene Oxide

A. C. Deacy, E. Moreby, A. Phanopoulos, and C. K. Williams, J. Am. Chem. Soc., 2020 , 142, 45, 19150 - 19160


Indium phosphasalen catalysts showing high isoselectivity and activity in racemic lactide and lactone ring opening polymerizations

N. Yuntawattana, T. M. McGuire, C. B. Durr, A. Buchard, and C. K. Williams, Catal. Sci. Technol., 2020, 10, 7226 - 7239


Bio‐derived and degradable block polyester pressure‐sensitive adhesives

T. T. D. Chen, L. P. Carrodeguas, G. S. Sulley, G. L. Gregory, and C. K. Williams, Angew. Chem. Int. Ed., 2020, 50, 1-7


Cu/M:ZnO (M = Mg, Al, Cu) colloidal nanocatalysts for the solution hydrogenation of carbon dioxide to methanol

A. H. M. Leung, A. Garcia-Trenco, A. Phanopoulos, A. Regoutz, > E. Schuster, S. D. Pike, M. S. P. Shaffer, and C. K. Williams, J. Mater. Chem. A , 2020, 8, 11282-11291


Triblock polyester thermoplastic elastomers with semi-aromatic polymer end blocks by ring-opening copolymerization

G. L. Gregory, G. S. Sulley, L. Peña Carrodeguas, T. T. D. Chen, A. Santmarti, N. J. Terrill, K. Lee, and C. K. Williams, Chem. Sci. , 2020, 10, 6567 - 6581


Understanding metal synergy in heterodinuclear catalysts for the copolymerization of CO2 and epoxides

A.C. Deacy, A. F. R. Kilpatrick, A. Regoutz, and C. K. Williams, Nat. Chem. , 2020, 12, 372-380

Article featured in Nature News & Views piece by Xiao-Bing Lu


Switchable Catalysis Improves the Properties of CO2-Derived Polymers: Poly(cyclohexene carbonate-b-ε-decalactone-b-cyclohexene carbonate) Adhesives, Elastomers, and Toughened Plastics

G. S. Sulley, G. L. Gregory, Thomas T. D. Chen, L. P. Carrodeguas, G. Trott, A. Santmarti, K. Lee, N. J. Terrill, and C. K. Williams, J. Am. Chem. Soc, 2020, 142, 9, 4367-4378


Ti(IV)–Tris(phenolate) Catalyst Systems for the Ring-Opening Copolymerization of Cyclohexene Oxide and Carbon Dioxide

S. K. Raman, A. C. Deacy, L. P. Carrodeguas, N. V. Reis, R. W. F. Kerr, A. Phanopoulos, S. Morton, M. G. Davidson and C. K. Williams, Organometallics, 2020, 39, 1619-1627


Metal Complexes for Catalytic Polymerizations

C. K. Williams and K. Nozaki, Inorg. Chem., 2020, 59, 2, 957-959


Heterodinuclear complexes featuring Zn(II) and M = Al(III), Ga(III) or In(III) for cyclohexene oxide and CO2 copolymerisation

A. C. Deacy, C. Durr, and C. K. Williams, Dalton Trans., 2020,49, 223-231