Items where Author is "Stephenson, G.Richard"

Article

Dudey, Ashley P., Hughes, Gregory R., Rigby, Jake M., Monaco, Serena, Stephenson, G. Richard, Storr, Thomas E., Angulo, Jesus, Chantry, Andrew and Hemmings, Andrew M. (2025) 3,3′-Diindolylmethane (DIM): A molecular scaffold for inhibition of WWP1 and WWP2, members of the NEDD4 family HECT E3 ligases. ACS Omega, 10 (6). 5963–5972. ISSN 2470-1343

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

Dudey, Ashley P., Rigby, Jake M., Hughes, Gregory R., Stephenson, G. Richard, Storr, Thomas E., Chantry, Andrew and Hemmings, Andrew M. (2024) Expanding the inhibitor space of the WWP1 and WWP2 HECT E3 ligases. Journal of Enzyme Inhibition and Medicinal Chemistry, 39 (1). ISSN 1475-6366

Wright, Adam J., McMartin, Fiona J., Dyer, Liam G., Sayer, Lloyd H., Bulman Page, Philip C. and Stephenson, G. Richard (2022) Planar chiral pseudo-isocoumarins by copper catalysed desymmetrisation. European Journal of Inorganic Chemistry, 2022 (12). ISSN 1434-1948

Wieland Moifo Kuete, Thomas, Ambassa, Pantaleon, Luciane Moungang, Marlyse, Ngameni, Bathelemy, Storr, Thomas E., Ngadjui Tchaleu, Bonaventure and Stephenson, G. Richard (2022) (−)-Brunneusine, a new phenolic compound with antibacterial properties in aqueous medium from the leaves of Agelanthus brunneus (Engl.) Tiegh (LORANTHACEAE). Zeitschrift fur Naturforschung Section C-A Journal of Biosciences, 77 (3-4). pp. 157-165. ISSN 0939-5075

Fotso, Ghislain Wabo, Ngameni, Bathelemy, Storr, Thomas E., Ngadjui, Bonaventure Tchaleu, Mafu, Sibongile and Stephenson, G. Richard (2020) Synthesis of novel stilbene–coumarin derivatives and antifungal screening of monotes kerstingii-specialized metabolites against fusarium oxysporum. Antibiotics, 9 (9). pp. 1-13. ISSN 2079-6382

Steverding, Dietmar, Sidjui, Lazare S., Ferreira, Éden Ramalho, Ngameni, Bathelemy Ngameni, Folefoc, Gabriel N., Mahiou-Leddet, Valérie, Ollivier, Evelyne, Stephenson, G. Richard, Storr, Thomas and Tyler, Kevin (2020) Trypanocidal and leishmanicidal activity of six limonoids. Journal of Natural Medicines, 74 (3). 606–611. ISSN 1340-3443

Wright, Adam J., Hughes, David L., Bulman Page, Philip C. and Stephenson, G. Richard (2019) Induction of planar chirality using asymmetric click chemistry by a novel desymmetrisation of 1,3-bisalkynyl ferrocenes. European Journal of Organic Chemistry, 2019 (43). pp. 7218-7222. ISSN 1434-193X

Bulman Page, Philip C., Almutairi, Saud M., Chan, Yohan, Stephenson, G Richard, Gama, Yannick, Goodyear, Ross L., Douteau, Alice, Allin, Steven Mark and Jones, Garth A. (2019) Asymmetric oxidation of enol derivatives to α-alkoxy carbonyls using iminium salt catalysts: A synthetic and computational study. The Journal of Organic Chemistry, 84 (2). 544–559. ISSN 0022-3263

Gardiner, William, Camilleri, Matthew, Martinez Lozano, Luis Angel, Bew, Sean and Stephenson, G. Richard (2018) Upper-rim monofunctionalisation in the synthesis of triazole- and disulfide-linked multicalix[4]- and -[6]arenes. Chemistry - A European Journal, 24 (71). pp. 19089-19097. ISSN 0947-6539

Watt, Jessica, Hughes, Gregory, Walpole, Samuel, Monaco, Serena, Stephenson, G., Bulman Page, Philip, Hemmings, Andrew, Angulo, Jesus and Chantry, Andrew (2018) Discovery of small molecule WWP2 ubiquitin ligase inhibitors. Chemistry - A European Journal, 24 (67). pp. 17677-17680. ISSN 0947-6539

Tinson, Ryan A. J., Hughes, David L., Ward, Leanne and Stephenson, G. Richard (2018) Unusual nucleophilic addition of Grignard reagents in the synthesis of 4-amino-pyrimidines. ACS Omega, 3 (8). pp. 8937-8944.

Bew, Sean P., Stephenson, G. Richard, Rouden, Jacques, Godemert, Jeremy, Seylani, Haseena and Martinez-Lozano, Luis A. (2017) Gaining insight into reactivity differences between malonic acid half thioester (MAHT) and malonic acid half oxyesters (MAHO). Chemistry - A European Journal, 23 (19). 4557–4569. ISSN 0947-6539

Glowacka, Paulina C., Maindron, Nicolas, Stephenson, G. Richard, Romieu, Anthony, Renard, Pierre-Yves and Emery, Flavio da Silva (2016) Synthesis and photophysical properties of iron-carbonyl complex-coumarin conjugates as potential bimodal IR-fluorescent probes. Tetrahedron Letters, 57 (45). 4991–4996. ISSN 0040-4039

Bulman Page, Philip C., Stephenson, G. Richard, Harvey, James and Slawin, Alexandra M. Z. (2016) Ruthenium-free preparation of 1,5-disubstituted triazoles by alkylative debenzylation of 1,4-disubstituted triazoles. Synlett, 27 (17). pp. 2500-2504. ISSN 0936-5214

Glowacka, Paulina and Stephenson, George (2016) One-pot synthesis of 9-aminomethylanthracene. Synlett, 27 (11). pp. 1733-1737. ISSN 0936-5214

Bulman Page, Philip, Stephenson, Richard, Harvey, James, Gaumont, Annie-Claude, Alayrac, Carole and Slawin, Alexandra (2016) Convenient access to meso benzylic bis-alkynes. Synlett, 27 (06). pp. 961-964. ISSN 0936-5214

Doulcet, Julien and Stephenson, G. Richard (2015) The use of (–)-sparteine/organolithium reagents for the enantioselective lithiation of 7,8-dipropyltetrathia[7]helicene: single and double kinetic resolution procedures. Chemistry - A European Journal, 21 (51). pp. 18677-18689. ISSN 0947-6539

Doulcet, Julien and Stephenson, G. Richard (2015) Novel asymmetric formylation of aromatic compounds: Enantioselective synthesis of formyl 7,8- dipropyltetrathia[7]helicenes. Chemistry - A European Journal, 21 (38). 13431–13436. ISSN 0947-6539

Bew, Sean P., Stephenson, G. Richard, Rouden, Jacques, Ashford, Polly Anna, Bourane, Manuel, Charvet, Agathe, Dalstein, Virginie M D, Jauseau, Raphael, Hiatt-Gipson, G. D. and Martinez-Lozano, Luis A. (2015) Bioinspired, base- and metal-free, mild decarboxylative aldol activation of malonic acid half thioesters under phase-transfer reaction conditions. Advanced Synthesis & Catalysis, 357 (6). pp. 1245-1257. ISSN 1615-4150

Cauteruccio, Silvia, Dova, Davide, Graiff, Claudia, Carrara, Claudio, Doulcet, Julien, Stephenson, G. Richard and Licandro, Emanuela (2014) A non-photochemical route to synthesize simple benzo[1,2-b:4,3-b′]dithiophenes: FeCl3-mediated cyclization of dithienyl ethenes. New Journal of Chemistry, 38 (6). pp. 2241-2244. ISSN 1369-9261

Stephenson, G., Cauteruccio, Silvia and Doulcet, Julien (2014) Comparison of Ullmann/RCM and Ullmann/bis-hydrazone coupling reactions; New access to benzodithiophenes for dye-sensitized solar cell and thiahelicene applications. Synlett, 25 (05). pp. 701-707. ISSN 0936-5214

Bew, Sean P., Stephenson, G. Richard, Rouden, Jacques, Martinez-Lozano, Luis A. and Seylani, Haseena (2013) Malonic acid half oxyesters and thioesters: Solvent-free synthesis and DFT analysis of their enols. Organic Letters, 15 (15). pp. 3805-3807. ISSN 1523-7060

Stephenson, George, Palotai, Ian M., Thomas, Sarah and Tinkl, Michael (2013) Synthetic studies for the 1,3-iterative organoiron approach to the synthesis of siculinine: efficient arylation using a diarylcuprate reagent. European Journal of Organic Chemistry, 2013 (10). 1895–1901. ISSN 1434-193X

Stephenson, G. Richard and Palotai, Ian M. (2013) Regiodirecting effects in difunctionalised tricarbonyl[(1,2,3,4,5-η)-cyclohexadienyl]iron(1+) salts: building blocks for alkaloids. Tetrahedron Letters, 54 (2). pp. 123-127.

Stephenson, G. Richard, Buttress, James P., Deschamps, Damien, Lancelot, Mélanie, Martin, James P., Sheldon, Alexander I. G., Alayrac, Carole, Gaumont, Annie-Claude and Bulman Page, Philip C. (2013) An investigation of the asymmetric Huisgen 'click' reaction. Synlett, 24 (20). pp. 2723-2729. ISSN 0936-5214

Stephenson, G. Richard, Anson, Christopher E., Malkov, Andrei V. and Roe, Caroline (2012) Influencing the balance between ipso and ω nucleophile addition to (1-arylcyclohexadienyl)iron intermediates in alkaloid synthesis. European Journal of Organic Chemistry, 2012 (25). pp. 4716-4732. ISSN 1099-0690

Monteforte, Marco, Cauteruccio, Silvia, Maiorana, Stefano, Benincori, Tiziana, Forni, Alessandra, Raimondi, Laura, Graiff, Claudia, Tiripicchio, Antonio, Stephenson, G. Richard and Licandro, Emanuela (2011) Tetrathiaheterohelicene phosphanes as helical-shaped chiral ligands for catalysis. European Journal of Organic Chemistry, 2011 (28). pp. 5649-5658. ISSN 1099-0690

Stephenson, G. R., Roe, C. and Sandoe, E. J. (2011) Electrophilic C-12 building blocks for alkaloids: 1,1 iterative organoiron-mediated routes to (+/-)-lycoramine and (+/-)-maritidine. European Journal of Organic Chemistry (9). pp. 1664-1681. ISSN 1434-193X

Stephenson, G. Richard, Anson, Christopher E., Creaser, Colin S. and Daul, Claude A. (2011) Spectroscopic, structural and DFT study of the responses of carbonylmetal crown ether complexes to alkali metal cations. European Journal of Inorganic Chemistry, 2011 (13). pp. 2086-2097. ISSN 1434-1948

Stephenson, G. Richard, Anson, Christopher E. and Swinson, Graham J. (2011) Biphenyl-cis-diol chemistry to access enantiopure aryl-substituted organoiron complexes. Tetrahedron Letters, 52 (28). pp. 3547-3550.

Roe, C., Sandoe, E. J. and Stephenson, G. R. (2010) Solvolysis reactions at the 13th carbon of 1-aryl organoiron complexes. Tetrahedron Letters, 51 (4). pp. 591-595. ISSN 0040-4039

Stephenson, G. Richard, Balfe, Andrew M., Hughes, David L. and Kelsey, Richard D. (2010) Decomplexation-nitroso Diels-Alder (NDA) approach to C,D-ring functionalisation for hippeastrine. Tetrahedron Letters, 51 (52). pp. 6806-6809. ISSN 0040-4039

Bossi, Alberto, Licandro, Emanuela, Maiorana, Stefano, Rigamonti, Clara, Righetto, Stefania, Stephenson, G. Richard, Spassova, Milena, Botek, Edith and Champagne, Benoît (2008) Theoretical and experimental investigation of electric field induced second harmonic generation in tetrathia 7 helicenes. The Journal of Physical Chemistry C, 112 (21). pp. 7900-7907. ISSN 1932-7447

Anson, Christopher E., Malkov, Andrei V., Roe, Caroline, Sandoe, Elizabeth J. and Stephenson, G. Richard (2008) Stereomanipulation of (η5-1-arylcyclohexadienyl)iron complexes. European Journal of Organic Chemistry, 2008 (1). pp. 196-213. ISSN 1434-193X

Roe, Caroline, Sandoe, Elizabeth J., Stephenson, G. Richard and Anson, Christopher E. (2008) Stereoselectivity in the organoiron-mediated synthesis of (+/-)-mesembrine. Tetrahedron Letters, 49 (4). pp. 650-653.

Roe, Caroline and Stephenson, G. Richard (2008) Electrophilic C12 building blocks for alkaloids: Formal total synthesis of (±)-maritidine. Organic Letters, 10 (2). pp. 189-192. ISSN 1523-7052

Itoh, Takayuki, Taguchi, Takaaki, Kimberley, Meriel R., Booker-Milburn, Kevin I., Stephenson, G. Richard, Ebizuka, Yutaka and Ichinose, Koji (2007) Actinorhodin biosynthesis:  Structural requirements for post-PKS tailoring intermediates revealed by functional analysis of ActVI-ORF1 reductase. Biochemistry, 46 (27). pp. 8181-8188. ISSN 0006-2960

Hughes, DL, McDermott, MC, Stephenson, GR and Walkington, AJ (2007) (2E)-N-(2-Iodo-4,6-dimethylphenyl)-2-methylbut-2-enamide. Acta Crystallographica Section C: Crystal Structure Communications, 64 (1). o7-o9. ISSN 0108-2701

McDermott, Michael C., Stephenson, G. Richard and Walkington, Andrew J. (2007) Silver-sensitive enantioselectivity in asymmetric Heck reactions. Synlett (1). pp. 51-54. ISSN 0936-5214

Owen, David A., Malkov, Andrei V., Palotai, Ian M., Roe, Caroline, Sandoe, Elizabeth J. and Stephenson, G. Richard (2007) Selective synthesis and reactivity of eta(5)-arylcyclohexadienyliron complexes. Chemistry - A European Journal, 13 (15). pp. 4293-4311. ISSN 0947-6539

McDermott, Michael C., Stephenson, G. Richard, Hughes, David L. and Walkington, Andrew J. (2006) Intramolecular asymmetric Heck reactions: Evidence for dynamic kinetic resolution effects. Organic Letters, 8 (14). pp. 2917-2920. ISSN 1523-7060

Booker-Milburn, Kevin I., Gillan, Rebecca, Kimberley, Meriel, Taguchi, Takaari, Ichinose, Koji, Stephenson, G. Richard, Ebizuka, Yutaka and Hopwood, David A. (2005) Enantioselective reduction of beta-keto acids with engineered streptomyces coelicolor. Angewandte Chemie International Edition, 44 (7). pp. 1121-1125. ISSN 1433-7851

Jacques, Béatrice, Tranchier, Jean-Philippe, Rose-Munch, Françoise, Rose, Eric, Stephenson, G. Richard and Guyard-Duhayon, Carine (2004) Cationic (eta(6)-arene)tricarbonylmanganese linked to ferrocene complexes. Organometallics, 23 (2). pp. 184-193. ISSN 0276-7333

Schouteeten, Stéphanie, Tranchier, Jean-Philippe, Rose-Munch, Françoise, Rose, Eric, Auffrant, Audrey and Stephenson, G. Richard (2004) Cationic (eta(6)-arene)tricarbonylmanganese linked to neutral (eta(6)-arene)tricarbonylchromium complexes. Organometallics, 23 (18). pp. 4308-4316. ISSN 0276-7333

Taguchi, Takaaki, Kunieda, Kanako, Takeda-Shitaka, Mayuko, Takaya, Daisuke, Kawano, Noriaki, Kimberley, Meriel R., Booker-Milburn, Kevin I., Stephenson, G. Richard, Umeyama, Hideaki, Ebizuka, Yutaka and Ichinose, Koji (2004) Remarkably different structures and reaction mechanisms of ketoreductases for the opposite stereochemical control in the biosynthesis of BIQ antibiotics. Bioorganic & Medicinal Chemistry, 12 (22). pp. 5917-5927. ISSN 0968-0896

Anson, C. E., Baldwin, T. J., Clayden, N. J., Creaser, C. S., Egyed, O., Fey, M. A., Hutchinson, W. E., Kavanagh, A., Stephenson, G. R. and Walker, P. I. (2003) Silica-mounted FTIR-active organometalcarbonyl derivatives as functional materials. Journal of Optoelectronics and Advanced Materials, 5 (3). pp. 533-554. ISSN 1454-4164

Anson, Christopher E., Creaser, Colin S., Malkov, Andrej V., Mojovic, Ljubica and Stephenson, G. Richard (2003) Flavonoid derivatives as organometallic bioprobes. Journal of Organometallic Chemistry, 668 (1-2). pp. 101-122. ISSN 0022-328X

Ozawa, Makoto, Taguchi, Takaaki, Itoh, Takayuki, Ebizuka, Yutaka, Booker-Milburn, Kevin I., Stephenson, G. Richard and Ichinose, Koji (2003) Structure and biosynthetic implication of (S)-NHAB, a novel shunt product, from a disruptant of the actVI-ORFA gene for actinorhodin biosynthesis in Streptomyces coelicolor A3(2). Tetrahedron, 59 (44). pp. 8793-8798. ISSN 0040-4020

Creaser, C. S., Hutchinson, W. E. and Stephenson, G. R. (2002) An attenuated total reflectance optrode sensor incorporating infrared-active carbonylmetal probe groups. Sensors and Actuators B: Chemical, 82 (2-3). pp. 150-157. ISSN 0925-4005

Hudson, Richard D. A., Anson, Christopher E., Mahon, Mary F. and Stephenson, G. Richard (2001) Regio- and stereoselectivity in long-range asymmetric induction controlled by carbonyliron groups: crystal structures of dicarbonyl-L- (1,2,3,4,5-eta)-1-R-4-methoxycyclohexadienyl iron(1+) hexafluorophosphate(1-) (R = isopropenyl, L = CO), (R=1-styryl, L = CO), (R=1-prop-1-enyl, L = PPh3) and tricarbonyl methyl(2,3,4,5-eta)-2-carbomethoxy-2-(4-methoxy-1-(1 '-methylethenyl)cyclohexadien-1-yl)ethanoate iron(0). Journal of Organometallic Chemistry, 630 (1). pp. 88-103. ISSN 0022-328X

Anson, Christopher E., Hudson, Richard D. A., Smyth, Donald G. and Stephenson, G. Richard (2001) Reactivity patterns in cationic tricarbonyliron complexes: crystallographic proof of stereoselectivity in long range asymmetric induction in the 1,3/1 ',2 ' series. Applied Organometallic Chemistry, 15 (1). pp. 16-22. ISSN 0268-2605

Creaser, Colin S., Hutchinson, William E. and Stephenson, G. Richard (2001) FTIR sensing of inhomogeneous systems using immobilized organometalcarbonyl probe groups. The Analyst, 126 (5). pp. 647-651. ISSN 0003-2654

Fernanda, M., Carvalho, N. N., Amelia, M., Lemos, N. D. A., Veiros, L. F. and Stephenson, G. R. (2001) Mechanism of the electrochemical reduction of Fe(eta(5)-C6H7)(CO)(3) PF6 - a theoretical approach to the intermediates. Journal of Organometallic Chemistry, 632 (1-2). pp. 49-57. ISSN 0022-328X

Tranchier, Jean-Philippe, Chavignon, René, Prim, Damien, Auffrant, Audrey, Planas, Jose Giner, Rose-Munch, Françoise, Rose, Eric and Stephenson, G. Richard (2001) Organochromium/organoiron dipoles comprising (eta(6)-arene)chromium and (eta(5)-cyclohexadienyl)iron(1+) complexes linked with conjugated spacers. Tetrahedron Letters, 42 (19). pp. 3311-3313. ISSN 0040-4039

Anson, Christopher E., Hartmann, Sascha, Kelsey, Richard D. and Stephenson, G. Richard (2000) X-ray crystallographic proof of regioselectivity in a nitrosobenzene cycloaddition, and development of a novel in situ heterocycloaddition trap for use during decomplexation of tricarbonyliron diene complexes in hippeastrine synthesis. Polyhedron, 19 (5). pp. 569-571. ISSN 0277-5387

Anson, Christopher E., Bibb, Maureen J., Booker-Milburn, Kevin I., Clissold, Cole, Haley, Patrick J., Hopwood, David A., Ichinose, Koji, Revill, W. Peter, Stephenson, G. Richard and Surti, Chandres M. (2000) Genetic engineering of Streptomyces coelicolor A3(2) for the enantioselective reduction of unnatural beta-keto-ester substrates. Angewandte Chemie International Edition, 39 (1). pp. 224-227. ISSN 1433-7851

Anson, Christopher E., Dave, Gaurang and Stephenson, G. Richard (2000) Stereocontrolled preparation of stereocomplementary regioisomeric tricarbonyliron complexes in enantiopure form. Tetrahedron, 56 (15). pp. 2273-2281. ISSN 0040-4020

Creaser, Colin S., Hutchinson, William E. and Stephenson, G. Richard (2000) Molecular sensing via an immobilized organometalcarbonyl probe group. Applied Spectroscopy, 54 (11). pp. 1624-1628. ISSN 0003-7028

Taguchi, T., Itou, K., Ebizuka, Y., Malpartida, F., Hopwood, D. A., Surti, C. M., Booker-Milburn, K. I., Stephenson, G. R. and Ichinose, K. (2000) Chemical characterisation of disruptants of the Streptomyces coelicolor A3(2) actVI genes involved in actinorhodin biosynthesis. Journal of Antibiotics, 53 (2). pp. 144-152. ISSN 0021-8820