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Hanessian S. My 50-Plus Years of Academic Research Collaborations with Industry. A Retrospective. J Org Chem 2024. [PMID: 38865159 DOI: 10.1021/acs.joc.4c00652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2024]
Abstract
A retrospective is presented highlighting the synthesis of selected "first-in-kind" natural products, their synthetic analogues, structure elucidations, and rationally designed bioactive synthetic compounds that were accomplished because of collaborations with past and present pharmaceutical and agrochemical companies. Medicinal chemistry projects involving structure-based design exploiting cocrystal structures of small molecules with biologically relevant enzymes, receptors, and bacterial ribosomes with synthetic small molecules leading to marketed products, clinical candidates, and novel drug prototypes were realized in collaboration. Personal reflections, historical insights, behind the scenes stories from various long-term projects are shared in this retrospective article.
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Affiliation(s)
- Stephen Hanessian
- Department of Chemistry, Université de Montréal, P.O. Box 6128, Succ. Centre-ville, Montréal, Québec, Canada H3C 3J7
- Department of Pharmaceutical Sciences, University of California, Irvine, California 91266, United States
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Garsi JB, Aguiar PM, Berger G, Maris T, Hanessian S. Pseudodiproline (Pro-Cyp) Oligomers Fold into Helical Polyproline Type secondary structures. J Org Chem 2024; 89:4283-4293. [PMID: 38489026 DOI: 10.1021/acs.joc.3c02840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2024]
Abstract
The synthesis and conformational properties of oligo-proline mimetics composed of dimeric and tetrameric Pro-Cyp constructs linked by a hydroxymethylene unit are reported. Oligomers were studied both in the solid state and in solution, unveiling right-handed helical conformation depending on the configuration of the vicinally substituted trans-cyclopentane carboxylic acid unit (Cyp). Unlike polyproline oligomers, the alternating synthetic Pro-Cyp counterparts are not stabilized by n-π* interactions but rely instead on the steric demands of the extended backbone conformation within the hydroxymethylene-linked Pro-Cyp repeating units.
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Affiliation(s)
- Jean-Baptiste Garsi
- Department of Chemistry, Université de Montréal, 1375 Ave. Thérèse-Lavoie-Roux, Montréal, H2V 0B3 QC Canada
| | - Pedro M Aguiar
- Department of Chemistry, Université de Montréal, 1375 Ave. Thérèse-Lavoie-Roux, Montréal, H2V 0B3 QC Canada
| | - Gilles Berger
- Microbiology, Bioorganic and Macromolecular Chemistry Unit, Faculty of Pharmacy, Université Libre de Bruxelles, 1050 Brussels, Belgium
| | - Thierry Maris
- Department of Chemistry, Université de Montréal, 1375 Ave. Thérèse-Lavoie-Roux, Montréal, H2V 0B3 QC Canada
| | - Stephen Hanessian
- Department of Chemistry, Université de Montréal, 1375 Ave. Thérèse-Lavoie-Roux, Montréal, H2V 0B3 QC Canada
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Klein MT, Krause BM, Neudörfl JM, Kühne R, Schmalz HG. Design and synthesis of a tetracyclic tripeptide mimetic frozen in a polyproline type II (PP2) helix conformation. Org Biomol Chem 2022; 20:9368-9377. [PMID: 36385673 DOI: 10.1039/d2ob01857h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
A synthesis of the new tetracyclic scaffold ProM-19, which represents a XPP tripeptide unit frozen in a PPII helix conformation, was developed. As a key building block, N-Boc-protected ethyl (1S,3S,4R)-2-azabicyclo[2.2.1]hept-5-ene-2-carboxylate was prepared through a diastereoselective aza-Diels-Alder reaction and subsequent hydrogenolytic removal of the chiral N-1-phenylethyl substituent under temporary protection of the double bond through dihydroxylation and reconstitution by Corey-Winter olefination. The target compound Boc-[ProM-19]-OMe was then prepared via subsequent peptide coupling and Ru-catalyzed ring-closing metathesis steps employing (S)-N-Boc-allylgylcine and cis-5-vinyl-proline methyl ester as additional building blocks. In addition, Ac-[2-Cl-Phe]-[Pro]-[ProM-19]-OMe was prepared by solution phase peptide synthesis as a potential ligand for the ena-VASP EVH1 domain.
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Affiliation(s)
- Marco T Klein
- University of Cologne, Department of Chemistry, Greinstrasse 4, 50939 Köln, Germany.
| | - Bernhard M Krause
- University of Cologne, Department of Chemistry, Greinstrasse 4, 50939 Köln, Germany.
| | - Jörg-Martin Neudörfl
- University of Cologne, Department of Chemistry, Greinstrasse 4, 50939 Köln, Germany.
| | - Ronald Kühne
- Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP), Robert-Rössle-Strasse 10, 13125 Berlin, Germany
| | - Hans-Günther Schmalz
- University of Cologne, Department of Chemistry, Greinstrasse 4, 50939 Köln, Germany.
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Garsi JB, Komjáti B, Cullia G, Fejes I, Sipos M, Sipos Z, Fördős E, Markacz P, Balázs B, Lancelot N, Berger S, Raimbaud E, Brown D, Vuillard LM, Haberkorn L, Cukier C, Szlávik Z, Hanessian S. Targeting NOX2 via p47/phox-p22/phox Inhibition with Novel Triproline Mimetics. ACS Med Chem Lett 2022; 13:949-954. [DOI: 10.1021/acsmedchemlett.2c00094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Accepted: 04/26/2022] [Indexed: 11/28/2022] Open
Affiliation(s)
- Jean-Baptiste Garsi
- Department of Chemistry, Université de Montréal, P.O. Box 6128, Station Centre-Ville, Montréal, QC H2V 0B3, Canada
| | - Balázs Komjáti
- Servier Research Institute of Medicinal Chemistry, 1031 Záhony utca 7 Mb, Budapest 1031, Hungary
| | - Gregorio Cullia
- Department of Chemistry, Université de Montréal, P.O. Box 6128, Station Centre-Ville, Montréal, QC H2V 0B3, Canada
| | - Imre Fejes
- Servier Research Institute of Medicinal Chemistry, 1031 Záhony utca 7 Mb, Budapest 1031, Hungary
| | - Melinda Sipos
- Servier Research Institute of Medicinal Chemistry, 1031 Záhony utca 7 Mb, Budapest 1031, Hungary
| | - Zoltán Sipos
- Servier Research Institute of Medicinal Chemistry, 1031 Záhony utca 7 Mb, Budapest 1031, Hungary
| | - Eszter Fördős
- Servier Research Institute of Medicinal Chemistry, 1031 Záhony utca 7 Mb, Budapest 1031, Hungary
| | - Piroska Markacz
- Servier Research Institute of Medicinal Chemistry, 1031 Záhony utca 7 Mb, Budapest 1031, Hungary
| | - Barbara Balázs
- Servier Research Institute of Medicinal Chemistry, 1031 Záhony utca 7 Mb, Budapest 1031, Hungary
| | - Nathalie Lancelot
- Institut de Recherche Servier, 125 Chemin de la Ronde, 78290 Croissy, France
| | - Sylvie Berger
- Institut de Recherche Servier, 125 Chemin de la Ronde, 78290 Croissy, France
| | - Eric Raimbaud
- Institut de Recherche Servier, 125 Chemin de la Ronde, 78290 Croissy, France
| | - David Brown
- Institut de Recherche Servier, 125 Chemin de la Ronde, 78290 Croissy, France
| | | | - Laure Haberkorn
- Institut de Recherche Servier, 125 Chemin de la Ronde, 78290 Croissy, France
| | - Cyprian Cukier
- Selvita S.A., ul. Bobrzyńskiego 14, 30-348 Kraków, Poland
| | - Zoltán Szlávik
- Servier Research Institute of Medicinal Chemistry, 1031 Záhony utca 7 Mb, Budapest 1031, Hungary
| | - Stephen Hanessian
- Department of Chemistry, Université de Montréal, P.O. Box 6128, Station Centre-Ville, Montréal, QC H2V 0B3, Canada
- Department of Pharmaceutical Sciences, University of California Irvine, Irvine, CA 92617, USA
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