Items where Author is "Richards, Chris"

Article

Rigby, Jake M., Chantry, Andrew, Hemmings, Andrew M., Richards, Christopher J., Stephenson, G. Richard and Storr, Thomas E. (2024) An improved synthesis of 2,3-diamino-5,6-dichloropyrazine: A useful heterocyclic scaffold. Synthesis, 56 (23). pp. 3587-3592. ISSN 0039-7881

Richards, Christopher J. and Ojo, O. Stephen (2023) Double asymmetric synthesis: Faster reactions are more selective and a model to estimate relative rate. Organic and Biomolecular Chemistry, 21 (35). pp. 7115-7128. ISSN 1477-0520

Ojo, O. Stephen, Hughes, David L. and Richards, Christopher J. (2023) An expedient copper-catalysed asymmetric synthesis of γ-lactones and γ-lactams. Application to the synthesis of lucidulactone A. Organic and Biomolecular Chemistry, 21 (19). pp. 4144-4149. ISSN 1477-0520

Arthurs, Ross A., Hughes, David L. and Richards, Christopher J. (2022) Application of a ferrocene-based palladacycle precatalyst to enantioselective aryl-aryl Kumada coupling. European Journal of Inorganic Chemistry, 2022 (9). ISSN 1434-1948

O’Sullivan, Michael J., Hatley, Richard J. D., Wellaway, Christopher R., Bew, Sean P. and Richards, Christopher J. (2021) Synthetic approaches to N- and 4-substituted 1,4-dihydro-3(2H)-isoquinolinone derivatives. Tetrahedron, 100. ISSN 0040-4020

Arthurs, Ross A., Dean, Alice C., Hughes, David L. and Richards, Christopher J. (2021) Copper(I) complexes of P-stereogenic Josiphos and related ligands. European Journal of Organic Chemistry, 2021 (18). pp. 2719-2725. ISSN 1434-193X

Deschamps, Damien, Lohier, Jean-François, Richards, Christopher J., Gaumont, Annie-Claude and Perrio, Stéphane (2021) Functionalization of [2.2]paracyclophanes via a reductive sulfanylation reaction. The Journal of Organic Chemistry, 86 (1). pp. 507-514. ISSN 0022-3263

Arthurs, Ross A., Hughes, David L. and Richards, Christopher J. (2020) Planar chiral palladacycle precatalysts for asymmetric synthesis. Organic & Biomolecular Chemistry, 18 (28). pp. 5466-5472. ISSN 1477-0520

Arthurs, Ross A., Hughes, David L. and Richards, Christopher J. (2020) Stereoselective synthesis of all possible phosferrox ligand diastereoisomers displaying three elements of chirality: Stereochemical optimization for asymmetric catalysis. Journal of Organic Chemistry, 85 (7). pp. 4838-4847. ISSN 0022-3263

Arthurs, Ross A., Hughes, David L. and Richards, Christopher J. (2019) Ferrocenyloxazoline-derived planar chiral palladacycles: C–H activation, transmetalation, and reversal of diastereoselectivity. Organometallics, 38 (21). pp. 4271-4279. ISSN 0276-7333

Arthurs, Ross A., Hughes, David L., Horton, Peter N., Coles, Simon J. and Richards, Christopher J. (2019) Application of transmetalation to the synthesis of planar chiral and chiral-at-metal iridacycles. Organometallics, 38 (5). 1099–1107. ISSN 0276-7333

Arthurs, Ross A., Prior, Christopher C., Hughes, David L., Oganesyan, Vasily S. and Richards, Christopher J. (2018) Enantiopure planar chiral and chiral-at-metal iridacycles derived from bulky cobalt sandwich complexes. Organometallics, 37 (22). pp. 4204-4212. ISSN 0276-7333

Arthurs, Ross A. and Richards, Christopher J. (2018) Multiple acetylation of pentaphenylferrocene – Synthesis and asymmetric reduction of 1-acetyl-1′,2′,3′,4′,5′-penta(para‐acetylphenyl)ferrocene. European Journal of Inorganic Chemistry, 2018 (15). pp. 1655-1659. ISSN 1434-1948

Arthurs, Ross A., Horton, Peter N., Coles, Simon J. and Richards, Christopher J. (2018) Stereoselective and stereospecific reactions of cobalt sandwich complexes: Synthesis of a new class of single enantiomer bulky planar chiral P−N and P−P ligands. Chemistry - A European Journal, 24 (17). pp. 4310-4319. ISSN 0947-6539

Arthurs, Ross A. and Richards, Christopher J. (2018) Synthesis of diastereomeric bis(oxazoline) ligands derived from (S,S)-1,1′-bis(4-isopropyloxazolin-2-yl)ferrocene. Synlett, 29 (5). pp. 585-588. ISSN 0936-5214

Richards, Christopher John and Arthurs, Ross (2017) Catalyst optimisation for asymmetric synthesis by ligand chirality element addition - a perspective on stereochemical cooperativity. Chemistry - A European Journal, 23 (48). 11460–11478. ISSN 0947-6539

Arthurs, Ross A. and Richards, Christopher J. (2017) Deuterium as a stereochemically invisible blocking group for chiral ligand synthesis. Organic Letters, 19 (3). pp. 702-705. ISSN 1523-7060

Arthurs, Ross A., Horton, Peter N., Coles, Simon J. and Richards, Christopher J. (2017) Phenyl vs. ferrocenyl cyclometallation selectivity: Diastereoselective synthesis of an enantiopure iridacycle. European Journal of Inorganic Chemistry, 2017 (2). 229–232. ISSN 1434-1948

Vincent, Adrien, Deschamps, Damien, Martzel, Thomas, Lohier, (Jean-François, Richards, Christopher J., Gaumont, Annie-Claude and Perrio, Stéphane (2016) Enantiomerically pure [2.2]paracyclophane-4-thiol: A planar chiral sulfur-based building block readily available by resolution with an amino acid chiral auxiliary. Journal of Organic Chemistry, 81 (9). pp. 3961-3966. ISSN 0022-3263

Arthurs, Ross A., Horton, Peter N., Coles, Simon J. and Richards, Christopher J. (2016) Metallocene to metallocene conversion. Synthesis of an oxazoline-substituted pentamethyliridocenium cation from a ferrocenyloxazoline. Chemical Communications, 52 (43). pp. 7024-7027. ISSN 1359-7345

Arthurs, Ross A., Ismail, Muhammad, Prior, Christopher C., Oganesyan, Vasily S., Horton, Peter N., Coles, Simon J. and Richards, Christopher J. (2016) Enantiopure ferrocene-based planar-chiral iridacycles: Stereospecific control of iridium-centred chirality. Chemistry - A European Journal, 22 (9). pp. 3065-3072. ISSN 0947-6539

Cassar, Doyle J., Roghzai, Hemin, Villemin, Didier, Horton, Peter N., Coles, Simon J. and Richards, Christopher J. (2015) Chirality control in planar chiral cobalt oxazoline palladacycles. Organometallics, 34 (12). pp. 2953-2961. ISSN 0276-7333

Amin, Jahangir, Motevalli, Majid and Richards, Christopher J. (2015) Application of the Nicholas reaction to the synthesis of dicobalt hexacarbonyl complexed diyne ethers. Journal of Organometallic Chemistry, 776. pp. 43-50. ISSN 0022-328X

Panchal, Ketan, Amin, Jahangir, Roca, Francesc X., Motevalli, Majid, Horton, Peter N., Coles, Simon J. and Richards, Christopher J. (2015) Synthesis of racemic palladacycles from 2-ferrocenylphenylphosphines. Journal of Organometallic Chemistry, 775. pp. 12-19. ISSN 0022-328X

Cassar, Doyle J., Ilyashenko, Gennadiy, Ismail, Muhammad, Woods, James, Hughes, David L. and Richards, Christopher J. (2013) Enantioselective synthesis and application to the allylic imidate rearrangement of amine-coordinated palladacycle catalysts of cobalt sandwich complexes. Chemistry - A European Journal, 19 (52). pp. 17951-17962. ISSN 0947-6539

Hassan, Jamal and Richards, Christopher J. (2012) α-Formylation of α-substituted ketones. Synlett, 2012 (02). pp. 239-242. ISSN 0936-5214

Amin, Jahangir and Richards, Christopher J. (2012) Diastereoselective synthesis of half-sandwich chiral-at-metal cobaltacycles by oxidative cyclisation. Chemical Communications, 48 (82). pp. 10192-10194. ISSN 1359-7345

Cassar, Doyle J., Nagaradja, Elisabeth, Butler, David C. D., Villemin, Didier and Richards, Christopher J. (2012) Regioselective, stereoselective, and conformationally controlled synthesis of (η4-tetraarylcyclobutadiene)(η5-carbomethoxycyclopentadienyl)cobalt metallocenes. Organic Letters, 14 (3). pp. 894-897. ISSN 1523-7060

Dendele, Nathalie, Bisaro, Fabrice, Gaumont, Annie-Claude, Perrio, Stephane and Richards, Christopher J. (2012) Synthesis of a [2.2]paracyclophane based planar chiral palladacycle by a highly selective kinetic resolution/C–H activation reaction. Chemical Communications, 48 (14). pp. 1991-1993. ISSN 1359-7345

Gunay, M. E., Hughes, David and Richards, C. J. (2011) Diastereoselective synthesis of planar chiral cobalt metallocene based oxazoline platinacycles. Organometallics, 30 (14). pp. 3901-3904. ISSN 0276-7333

Spencer, John, Amin, Jahangir, Coxhead, Peter, McGeehan, John, Richards, Christopher J., Tizzard, Graham J., Coles, Simon J., Bingham, John P., Hartley, John A., Feng, Li, Meggers, Eric and Guille, Matthew (2011) Size does matter. Sterically demanding metallocene-substituted 3-methylidene-oxindoles exhibit poor kinase inhibitory action. Organometallics, 30 (11). pp. 3177-3181. ISSN 0276-7333

Nomura, Hiroshi and Richards, Christopher J. (2010) Allylic imidate rearrangements catalyzed by planar chiral palladacycles. Chemistry - An Asian Journal, 5 (8). pp. 1726-1740. ISSN 1861-4728

Bergin, Enda, Hughes, David L. and Richards, Christopher J. (2010) Application of the Suzuki reaction to the asymmetric desymmetrisation of 1,2-and 1,3-disubstituted bulky cobalt metallocenes. Tetrahedron: Asymmetry, 21 (11-12). pp. 1619-1623. ISSN 0957-4166

Gunay, M. Emin, Ilyashenko, Gennadiy and Richards, Christopher J. (2010) Models for the basis of enantioselection in palladium mediated C-H activation reactions. Tetrahedron: Asymmetry, 21 (23). pp. 2782-2787. ISSN 0957-4166

Nomura, Hiroshi and Richards, Christopher J. (2009) Asymmetric synthesis of unsaturated monocyclic and bicyclic nitrogen heterocycles. Organic Letters, 11 (13). pp. 2892-2895. ISSN 1523-7052

El-Fayyoumy, Shaimaa, Todd, Matthew H. and Richards, Christopher J. (2009) Can we measure catalyst efficiency in asymmetric chemical reactions? A theoretical approach. Beilstein Journal of Organic Chemistry, 5 (8). pp. 1726-1740. ISSN 1860-5397

Günay, M. Emin and Richards, Chris (2009) Synthesis of planar vhiral phosphapalladacycles byN-acyl amino acid mediated enantioselective palladation. Organometallics, 28 (19). pp. 5833-5836. ISSN 0276-7333

Ismail, Muhammad, Nguyen, Huy V., Ilyashenko, Gennadiy, Motevalli, Majid and Richards, Christopher J. (2009) Asymmetric synthesis of oxindoles containing a quaternary stereogenic centre by catalytic O/C-carboxyl rearrangement. Tetrahedron Letters, 50 (46). pp. 6332-6334. ISSN 0040-4039

Nguyen, Huy V., Yeamine, Mebuba R., Amin, Jahangir, Motevalli, Majid and Richards, Christopher J. (2008) Synthesis and H-1 NMR spectroscopic properties of substituted (eta(4)-tetraarylcyclobutadiene)(eta(5)-cyclopentadienyl)cobalt metallocenes. Journal of Organometallic Chemistry, 693 (24). pp. 3668-3676. ISSN 0022-328X

Fossey, John S., Russell, Mark L., Malik, K. M. Abdul and Richards, Christopher J. (2007) Synthesis and crystal structures of the first C2-symmetric bis-aldimine NCN–pincer complexes of platinum and palladium. Journal of Organometallic Chemistry, 692 (22). pp. 4843-4848. ISSN 0022-328X

Nguyen, H. V., Motevalli, M. and Richards, C. J. (2007) A C-2-symmetric metallocene-pyrrolidinopyridine nucleophilic catalyst for asymmetric synthesis. Synlett (5). pp. 725-728. ISSN 0936-5214

Yeamine, Mehbuba R. and Richards, Christopher J. (2007) An investigation into the diastereoselective palladation of oxazoline appended cobalt metallocenes. Tetrahedron: Asymmetry, 18 (22). pp. 2613-2616. ISSN 0957-4166

Taylor, Caroline J., Motevalli, Majid and Richards, Christopher J. (2006) Synthesis of planar chiral cobalt metallocenes by microwave-assisted diastereoselective complexation. Organometallics, 25 (11). pp. 2899-2902. ISSN 0276-7333