Publications | Buchard Chemistry Research Group | University of Bath

BUCHARD CHEMISTRY RESEARCH GROUP

University of Bath, Centre for Sustainable and Circular Technologies

McGuire, T. M.; Bowles, J.; Deane, E.; Farrar, E. H. E., Grayson, M. N.; Buchard, A.

Control of Crystallinity and Stereocomplexation of Synthetic Carbohydrate Polymers from D‐ and L‐Xylose.

Angew. Chem. Int. Ed., 2020, DOI:10.1002/anie.202013562

Gruszka, W.; Lykkeberg, A; Nichol, G. S.; Shaver, M. P.; Buchard, A; Garden, J. A.

Combining alkali metals and zinc to harness heterometallic cooperativity in cyclic ester ring-opening polymerisation.

Chem. Sci., 2020, DOI:10.1039/D0SC04705H

Yuntawattana, N.; McGuire, T. M.; Durr, C. B.; Buchard, A; Williams, C. K.

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

Catal. Sci. Technol., 2020, 10, 7226-7239.

McGuire, T. M.; Miyajima, M.; Uchiyama, M.; Buchard, A.; Kamigaito, M.

Epoxy-functionalised 4-vinylguaiacol for the synthesis of bio-based, degradable star polymers via a RAFT/ROCOP strategy.

Polym. Chem., 2020, 11, 5844-5850.

Piccini, M.; Leak, D. J.; Chuck, C. J.; Buchard, A.

Polymers from sugars and unsaturated fatty acids: ADMET polymerisation of monomers derived from D-xylose, D-mannose and castor oil.

Polym. Chem., 2020, 11, 2681-2691.

Howard, I. C.; Hammond, C.; Buchard, A.
Polymer-supported metal catalysts for the heterogeneous polymerisation of lactones.

Polym. Chem., 2019, 10, 5894-5904.

McGuire, T. M.; Pérale, C.; Castaing, R.; Kociok-Köhn, G. I; Buchard, A.Monomer

Divergent Catalytic Strategies for the Cis/Trans Stereoselective Ring-Opening Polymerization of a Dual Cyclic Carbonate/Olefin Monomer.

J. Am. Chem. Soc., 2019, 141, 13301-13305.

TOC Graphic.GIF

Beament, J.; Wolf, T.; Markwart, J. C.; Wurm, F. R.; Jones, M. D.; Buchard, A.

Copolymerization of Cyclic Phosphonate and Lactide: Synthetic Strategies toward Control of Amphiphilic Microstructure.
Macromolecules, 2019, 53, 1220-1226.

Thomsett, M. R.; Moore, J. C.; Buchard, A.; Stockman, R. A.; Howdle, S. M. New renewably-sourced polyesters from limonene-derived monomers.
Green Chem., 2019, 21, 149-156.

Yakabi, K.; Jones, A.; Buchard, A.; Roldan, A.; Hammond, C. Chemoselective Lactonization of Renewable Succinic Acid with Heterogeneous Nanoparticle Catalysts.
ACS Sustainable Chem. Eng., 2018, 6, 16341-16351.

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McGuire, T. M.; López-Vidal, E. M.; Gregory, G. L.; Buchard, A. Synthesis of 5- to 8-membered cyclic carbonates from diols and CO2: A one-step, atmospheric pressure and ambient temperature procedure.
J. CO2 Util., 2018, 27, 283-288.

Tian, M.; Buchard, A.; Wells, S. A.; Fang, Y.; Torrente-Murciano, L.; Nearchou, A.; Dong, Z.; White, T. J.; Sartbaeva, A.; Ting, V. P. Mechanism of CO2 capture in nanostructured sodium amide encapsulated in porous silica.
Surf. Coat. Technol., 2018, 350, 227-233.

Beament, J.; Kociok-Köhn, G.; Jones, M. D., Buchard, A. Bipyrrolidine salan alkoxide complexes of lanthanides: synthesis, characterisation, activity in the polymerisation of lactide and mechanistic investigation by DOSY NMR.
Dalton Trans., 2018, 47, 9164-9172.

[39]

Beament, J.; Mahon, M. F.; Buchard, A.; Jones, M. D. Aluminum Complexes of Monopyrrolidine Ligands for the Controlled Ring-Opening Polymerization of Lactide.
Organometallics, 2018, 37,1719-1724.

[38]

Buckingham, M. A.; Cunningham, W.; Bull, S. D.; Buchard, A.; Folli, A.; Murphy, D. M.; Marken, F. Electrochemically Driven C−H Hydrogen Abstraction Processes with the Tetrachloro‐Phthalimido‐N‐Oxyl (Cl4PINO) catalyst.
Electroanalysis, 2018, 30, 1706-1713.

[37]

López-Vidal, E. M.; Gregory, G. L.; Kociok-Köhn, G.; Buchard, A. Polymers from sugars and CS2: synthesis and ring-opening polymerisation of sulfur-containing monomers derived from 2-deoxy-ᴅ-ribose and ᴅ-xylose. Polym. Chem., 2018, 9, 1577-1582.

[36]

Yakabi, K.; Mathieux, T.; Milne, K.; Lopez-Vidal, E. M.; Buchard, A.; Hammond, C. Continuous production of bio-renewable, polymer-grade lactone monomers through Sn-β catalysed Baeyer-Villiger oxidation with H2O2. ChemSusChem, 2017, 10, 3652-3659.

[35]

Romain, C.; Garden, J. A.; Trott,G.; Buchard, A.; White, A. J. P.; Williams, C. K. Di-Zinc Aryl Complexes: CO2 Insertions and Applications in Polymerization Catalysis. Chem. - Eur. J., 2017, 23, 7367-7376.

[34]

Gregory, G. L.; Kociok-Köhn, G.; Buchard, A. Polymers from sugars and CO2: ring-opening polymerisation and copolymerisation of cyclic carbonates derived from 2-deoxy-ᴅ-ribose. Polym. Chem., 2017, 8, 2093-2104.

[33]

Gregory, G. L.; Hierons, E. M.; Kociok-Köhn, G.; Sharma, R. I.; Buchard, A. CO2-Driven stereochemical inversion of sugars to create thymidine-based polycarbonates by ring-opening polymerisation. Polym. Chem., 2017, 8, 1714-1721.

[32]

Gregory, G. L.; López-Vidal, E. M.; Buchard, A. Polymers from sugars: cyclic monomer synthesis, ring-opening polymerisation, material properties and applications . Chem. Commun., 2017, 53, 2198-2217.

[31]

Beament, J.; Mahon, M. F.; Buchard, A.; Jones, M. D. Salan group 13 complexes – structural study and lactide polymerisation. New J. Chem., 2017, 41, 2198-2203.

[30]

Gregory, G. L.; Jenisch, L. M.; Charles, B., Kociok-Köhn, G.; Buchard, A. Polymers from Sugars and CO2: Synthesis and Polymerization of a D-Mannose-Based Cyclic Carbonate. Macromolecules, 2016, 49, 7165-7169.

[29]

Yakabi, K., Milne, K., Buchard, A.; Hammond, C. Selectivity and lifetime effects in zeolite-catalyzed Baeyer-Villiger oxidation investigated in batch and continuous flow. ChemCatChem, 2016, 8, 3490-3498.

[28]

Kirk, S. M.; Quilter, H. C.; Buchard, A.; Thomas, L. H.; Kociok-Kohn, G.; Jones, M. D. Monomeric and dimeric Al(III) complexes for the production of polylactide. Dalton Trans., 2016, 45, 13846-13852.

[27]

Romain, C.; Zhu, Y.; Dingwall, P.; Paul, S.; Rzepa, H. S.; Buchard, A.; Williams, C. K. Chemoselective Polymerizations from Mixtures of Epoxide, Lactone, Anhydride, and Carbon Dioxide. J. Amer. Chem. Soc., 2016, 138, 4120-4131.

[26]

Ahn, S. D.; Fisher, A. C.; Buchard, A.; Bull, S.; Bond, A. M.; Marken, F. Hydrodynamic Rocking Disc Electrode Study of the TEMPO-Mediated Catalytic Oxidation of Primary Alcohols. Electroanalysis, 2016, 28, 2093-2103.

Ahn, S. D.; Kolodziej, A.; Malpass-Evans, R.; Carta, M.; Mckeown, N. B.; Bull, S.; Buchard, A.; Marken, F. Polymer of Intrinsic Microporosity Induces Host-Guest Substrate Selectivity in Heterogeneous 4-Benzoyloxy-TEMPO-Catalysed Alcohol Oxidations. Electrocatalysis, 2016, 7, 70-78.

Gregory, G. L.; Ulmann, M.; Buchard, A. Synthesis of 6-membered cyclic carbonates from 1,3-diols and low CO2 pressure: a novel mild strategy to replace phosgene reagents. RSC Adv., 2015, 5, 39404-39408.

Jones, M. D.; Brady, L.; McKeown, P.; Buchard, A.; Schäfer, P. M.; Thomas, L. H.; Mahon, M. F.; Woodman, T. J.; Lowe J. P. Metal influence on the iso- and hetero-selectivity of complexes of bipyrrolidine derived Salan ligands for the polymerisation of rac-lactide. Chem. Sci., 2015, 6, 5034-5039.

King, A.; Buchard, A.; Mahon, M. F.; Webster, R. L. Facile, catalytic dehydrocoupling of phosphines using β-diketiminate iron(II) complexes. Chem. - Eur. J., 2015, 21, 15960-15963.

Nekoueian, K.; Hotchen, C. E.; Amiri, M.; Sillanpää, M.; Nelson, G. W.; Foord, J. S.; Holdway, P.; Buchard, A.; Parker, S. C.; Marken, F. Interfacial electron shuttling processes across Kolliphor®EL monolayer grafted electrodes. ACS Appl. Mater. Interfaces, 2015, 7, 15458-15465.

[20]

Buchard, A.; Carbery, D. R.; Davidson, M. G.; Ivanova, P. K.; Jeffery, B. J.; Kociok-Köhn, G.; Lowe, J. P. Preparation of stereoregular isotactic poly(mandelic acid) through organocatalytic ring-opening polymerization of a cyclic O-carboxyanhydride. Angew. Chem. Int. Ed., 2014, 53, 13858-13861.

[19]

Jones, M. D.; Hancock, S. L.; McKeown, P.; Schäfer, P. M.; Buchard, A.; Thomas, L. H.; Mahon, M. F.; Lowe, J. P. Zirconium complexes of bipyrrolidine derived salan ligands for the isoselective polymerisation of rac-lactide. Chem. Commun., 2014, 50, 15967-15970.

[18]

Betts, H.M.; Pascu, S. I.; Buchard, A.; Bonnitcha, P.D.; Dilworth, J.R. One-pot synthesis, characterisation and kinetic stability of novel side-bridged pentaazamacrocyclic copper(ii) complexes. RSC Adv., 2014, 4, 12964-12970.

[17]

Tognetti, V.; Buchard, A.; Auffrant, A.; Ciofini, I.; Le Floch, P.; Adamo, C. Ethylene dimerization catalyzed by mixed phosphine–iminophosphorane nickel(II) complexes: a DFT investigation. J. Mol. Model., 2013, 19, 2107-2118.

[16]

Buchard, A.; Jutz, F.; Kember, M. R.; White, A. J. P.; Rzepa, H. S.; Williams, C. K. Experimental and computational investigation of the mechanism of carbon dioxide/cyclohexene oxide copolymerization using a dizinc catalyst. Macromolecules, 2012, 45, 6781-6795.

[15]

Kember, M. R.; Jutz, F.; Buchard, A.; White, A. J. P.; Williams, C. K. Di-cobalt(ii) catalysts for the copolymerisation of CO2 and cyclohexene oxide: support for a dinuclear mechanism? Chem. Sci., 2012, 3, 1245-1255.

[14]

Cao, T.-P.-A.; Buchard, A.; Le Goff, X. F.; Auffrant, A.; Williams, C. K. Phosphasalen yttrium complexes: Highly active and stereoselective initiators for lactide polymerization. Inorg. Chem., 2012, 51, 2157-2169.

[13]

Kember, M. R.; Copley, J.; Buchard, A.; Williams, C. K. Triblock copolymers from lactide and telechelic poly(cyclohexene carbonate). Polym. Chem., 2012, 3, 1196-1201.

[12]

Jutz, F.; Buchard, A.; Kember, M. R.; Fredriksen, S. B.; Williams, C. K. Mechanistic investigation and reaction kinetics of the low-pressure copolymerization of cyclohexene oxide and carbon dioxide catalyzed by a dizinc complex. J. Amer. Chem. Soc., 2011, 133, 7395-17405.

[11]

Buchard, A.; Kember, M. R.; Sandeman, K. G.; Williams, C. K. A bimetallic iron(iii) catalyst for CO2/epoxide coupling. Chem. Commun., 2011, 47, 212-214.

[10]

Kember, M. R.; Buchard, A.; Williams, C. K. Catalysts for CO2/epoxide copolymerisation. Chem. Commun., 2011, 47, 141-163.

[9]

MacDowell, N.; Florin, N.; Buchard, A.; Hallett, J.; Galindo, A.; Jackson, G.; Adjiman, C. S.; Williams, C. K.; Shah, N.; Fennell, P. An overview of CO2 capture technologies. Energy Environ. Sci., 2010, 3, 1645-1669.

[8]

Buchard, A.; Platel, R. H.; Auffrant, A.; Le Goff, X. F.; Le Floch, P.; Williams, C. K.

Iminophosphorane neodymium(III) complexes as efficient initiators for lactide polymerization. Organometallics, 2010, 29, 2892-2900.

[7]

Picot, A.; Dyer, H.; Buchard, A.; Auffrant, A.; Vendier, L.; Le Floch, P.; Sabo-Etienne, S.

Interplay between hydrido/dihydrogen and amine/amido ligands in ruthenium-catalyzed transfer hydrogenation of ketones. Inorg. Chem., 2010, 49, 1310-1312.

[6]

Buchard, A.; Payet, E.; Auffrant, A.; Le Goff, X. F.; Le Floch, P. Iminophosphorane-based [P2N2] rhodium complexes: synthesis, reactivity, and application in catalysed transfer hydrogenation of polar bonds. New J. Chem., 2010, 34, 2943-2949.

[5]

Buchard, A.; Heuclin, H.; Auffrant, A.; Le Goff, X. F.; Le Floch, P. Coordination of tetradentate X2N2 (X=P, S, O) ligands to iron(II) metal center and catalytic application in the transfer hydrogenation of ketones. Dalton Trans., 2009, 1659-1667.

[4]

Klemps, C.; Buchard, A.; Houdard, R.; Auffrant, A.; Mezailles, N.; Le Goff, X. F.; Ricard, L., Saussine, L.; Magna, L.; Le Floch, P. Chromium (iii)-bis(iminophosphoranyl)methanido complexes: synthesis, X-ray crystal structures and catalytic ethylene oligomerization.
New J. Chem., 2009, 33,1748-1752.

[3]

Buchard, A.; Auffrant, A.; Ricard, L.; Le Goff, X. F.; Platel, R. H.; Williams, C. K.; Le Floch, P.

First neodymium(III) alkyl-carbene complex based on bis(iminophosphoranyl) ligands.

Dalton Trans., 2009, 10219-10222.

[2]

Buchard, A.; Komly, B.; Auffrant, A.; Le Goff, X. F.; Le Floch, P. A mixed phosphine−iminophosphorane tetradentate ligand: Synthesis, coordination to group 10 metal centers, and use as catalyst in Suzuki−Miyaura coupling. Organometallics, 2008, 27, 4380-4385.

[1]

Buchard, A.; Auffrant, A.; Klemps, C.; Vu-Do, L.; Boubekeur, L.; Le Goff, X. F.; Le Floch, P. Highly efficient P-N nickel(II) complexes for the dimerisation of ethylene.
Chem. Commun., 2007, 1502-1504.

Book Sections

Buchard, A.; Bakewell, C.; Weiner, J.; Williams, C. K. 2012. Recent developments in catalytic activation of renewable resources for polymer synthesis. In: Meier, M. A.R., Weckhuysen, B. M. and Bruijnincx, P. C. A., eds. Organometallics and Renewables. Berlin: Springer, pp. 175-224. (Topics in Organometallic Chemistry; 39)

Buchard, A.; Scott, J. L. 2018. Polymers from plants: Biomass fixed carbon dioxide as a resource. In: Letcher, T. M., ed. Managing Global Warming. Elsevier Academic Press Inc, pp. 503-525.

Patents

Williams, C. K., Kember, M. R., Buchard, A. P. and Jutz, F., 2013. Method of synthesising polycarbonates in the presence of a bimetallic catalyst and a chain transfer agent. C08G 63/64-WO2013034750 A2, 14 March 2013.