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O'Brien L, Argent SP, Ermanis K, Lam HW. Gold(I)‐Catalyzed Nucleophilic Allylation of Azinium Ions with Allylboronates. Angew Chem Int Ed Engl 2022; 61:e202202305. [PMID: 35239987 PMCID: PMC9314030 DOI: 10.1002/anie.202202305] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Indexed: 12/21/2022]
Affiliation(s)
- Luke O'Brien
- The GlaxoSmithKline Carbon Neutral Laboratories for Sustainable Chemistry University of Nottingham Jubilee Campus, Triumph Road Nottingham NG7 2TU UK
- School of Chemistry University of Nottingham University Park Nottingham NG7 2RD UK
| | - Stephen P. Argent
- School of Chemistry University of Nottingham University Park Nottingham NG7 2RD UK
| | - Kristaps Ermanis
- School of Chemistry University of Nottingham University Park Nottingham NG7 2RD UK
| | - Hon Wai Lam
- The GlaxoSmithKline Carbon Neutral Laboratories for Sustainable Chemistry University of Nottingham Jubilee Campus, Triumph Road Nottingham NG7 2TU UK
- School of Chemistry University of Nottingham University Park Nottingham NG7 2RD UK
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O'Brien L, Argent SP, Ermanis K, Lam HW. Gold(I)‐Catalyzed Nucleophilic Allylation of Azinium Ions with Allylboronates. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202202305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Luke O'Brien
- University of Nottingham School of Chemistry UNITED KINGDOM
| | | | | | - Hon Wai Lam
- University of Nottingham The GSK Carbon Neutral Laboratories for Sustainable Chemistry Jubilee CampusTriumph Road NG7 2TU Nottingham UNITED KINGDOM
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Khodjoyan S, Remadna E, Dossmann H, Lesage D, Gontard G, Forté J, Hoffmeister H, Basu U, Ott I, Spence P, Waller ZAE, Salmain M, Bertrand B. [(C C)Au(N N)] + Complexes as a New Family of Anticancer Candidates: Synthesis, Characterization and Exploration of the Antiproliferative Properties. Chemistry 2021; 27:15773-15785. [PMID: 34436799 DOI: 10.1002/chem.202102751] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Indexed: 12/31/2022]
Abstract
A library of eleven cationic gold(III) complexes of the general formula [(C C)Au(N N)]+ when C C is either biphenyl or 4,4'-ditertbutyldiphenyl and N N is a bipyridine, phenanthroline or dipyridylamine derivative have been synthesized and characterized. Contrasting effects on the viability of the triple negative breast cancer cells MDA-MB-231 was observed from a preliminary screening. The antiproliferative activity of the seven most active complexes were further assayed on a larger panel of human cancer cells as well as on non-cancerous cells for comparison. Two complexes stood out for being either highly active or highly selective. Eventually, reactivity studies with biologically meaningful amino acids, glutathione, higher order DNA structures and thioredoxin reductase (TrxR) revealed a markedly different behavior from that of the well-known coordinatively isomeric [(C N C)Au(NHC)]+ structure. This makes the [(C C)Au(N N)]+ complexes a new class of organogold compounds with an original mode of action.
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Affiliation(s)
- Silva Khodjoyan
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, IPCM, 75005, Paris, France
| | - Edwyn Remadna
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, IPCM, 75005, Paris, France
| | - Héloïse Dossmann
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, IPCM, 75005, Paris, France
| | - Denis Lesage
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, IPCM, 75005, Paris, France
| | - Geoffrey Gontard
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, IPCM, 75005, Paris, France
| | - Jérémy Forté
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, IPCM, 75005, Paris, France
| | - Henrik Hoffmeister
- Institute of Medicinal and Pharmaceutical Chemistry, Technische Universität Braunschweig, Beethovenstrasse 55, 38106, Braunschweig, Germany
| | - Uttara Basu
- Institute of Medicinal and Pharmaceutical Chemistry, Technische Universität Braunschweig, Beethovenstrasse 55, 38106, Braunschweig, Germany
| | - Ingo Ott
- Institute of Medicinal and Pharmaceutical Chemistry, Technische Universität Braunschweig, Beethovenstrasse 55, 38106, Braunschweig, Germany
| | - Philip Spence
- School of Pharmacy, University of East Anglia, Norwich, NR4 7TJ, UK
| | - Zoë A E Waller
- School of Pharmacy, University of East Anglia, Norwich, NR4 7TJ, UK.,UCL School of Pharmacy, 29-39 Brunswick Square, London, WC1 N, UK
| | - Michèle Salmain
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, IPCM, 75005, Paris, France
| | - Benoît Bertrand
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, IPCM, 75005, Paris, France
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Genoux A, González JA, Merino E, Nevado C. Mechanistic Insights into C(sp 2 )-C(sp)N Reductive Elimination from Gold(III) Cyanide Complexes. Angew Chem Int Ed Engl 2020; 59:17881-17886. [PMID: 32648359 DOI: 10.1002/anie.202005731] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 06/04/2020] [Indexed: 01/14/2023]
Abstract
A new family of phosphine-ligated dicyanoarylgold(III) complexes has been prepared and their reactivity towards reductive elimination has been studied in detail. Both, a highly positive entropy of activation and a primary 12/13 C KIE suggest a late concerted transition state while Hammett analysis and DFT calculations indicate that the process is asynchronous. As a result, a distinct mechanism involving an asynchronous concerted reductive elimination for the overall C(sp2 )-C(sp)N bond forming reaction is characterized herein, for the first time, complementing previous studies reported for C(sp3 )-C(sp3 ), C(sp2 )-C(sp2 ), and C(sp3 )-C(sp2 ) bond formation processes taking place on gold(III) species.
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Affiliation(s)
- Alexandre Genoux
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Zürich, Switzerland
| | - Jorge A González
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Zürich, Switzerland
| | - Estíbaliz Merino
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Zürich, Switzerland.,Current address: Department of Organic and Inorganic Chemistry, Chemical Research Institute Andrés M. del Río (IQAR) University of Alcalá, 28805, Alcalá de Henares, Madrid, Spain
| | - Cristina Nevado
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, 8057, Zürich, Switzerland
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Genoux A, González JA, Merino E, Nevado C. Mechanistic Insights into C(sp
2
)−C(sp)N Reductive Elimination from Gold(III) Cyanide Complexes. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202005731] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Alexandre Genoux
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zürich Switzerland
| | - Jorge A. González
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zürich Switzerland
| | - Estíbaliz Merino
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zürich Switzerland
- Current address: Department of Organic and Inorganic Chemistry Chemical Research Institute Andrés M. del Río (IQAR) University of Alcalá 28805, Alcalá de Henares Madrid Spain
| | - Cristina Nevado
- Department of Chemistry University of Zurich Winterthurerstrasse 190 8057 Zürich Switzerland
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