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Valvi A, Tiwari S. Solvent‐Controlled Regioselectivity in Nucleophilic Substitution Reactions of 1‐X‐2,4‐Difluorobenzenes with Morpholine Using Deep Eutectic Solvents. ChemistrySelect 2021. [DOI: 10.1002/slct.202002806] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Arun Valvi
- Department of Chemistry Karmaveer Bhaurao Patil College Vashi, Navi Mumbai 400703 India
| | - Shraeddha Tiwari
- Department of Chemistry Institute of Chemical Technology Mumbai 400019 India
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2
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Stumpf A, St-Jean F, Lao D, Cheng ZK, Angelaud R, Gosselin F. Practical Early Development Synthesis of Nav1.7 Inhibitor GDC-0310. SYNTHESIS-STUTTGART 2020. [DOI: 10.1055/s-0040-1707859] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
The concise early development route to the Nav1.7 inhibitor GDC-0310 is described. The active pharmaceutical ingredient (API) contains one stereocenter, which was obtained with high enantiomeric excess (>99:1) by using an SN2 displacement approach to connect two intermediates: a chiral benzyl alcohol and a piperidine. The synthesis of the piperidine building block proceeded via a regioselective SNAr reaction on 1-chloro-2,4-difluorobenzene by N-Boc-4-piperidinemethanol, followed by installation of the methyl ester group by electrophilic aromatic bromination and a palladium-catalyzed alkoxycarbonylation. A subsequent Suzuki–Miyaura cross-coupling reaction was then telescoped directly into cleavage of the Boc group to provide the advanced piperidine intermediate. The key feature of the synthesis is the highly selective SN2 displacement of the chiral mesylate of (R)-1-(3,5-dichlorophenyl)ethan-1-ol with the piperidine intermediate, followed by a chiral purity upgrade via the corresponding (1S)-(+)-camphorsulfonic acid salt. After standard hydrolysis of the methyl ester and CDI mediated amidation to couple the resulting acid with methanesulfonamide, enantiomerically pure GDC-0310 was obtained in high overall yield (37%) on a 6.5 kilogram scale.
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Affiliation(s)
- Andreas Stumpf
- Department of Small Molecule Process Chemistry, Genentech Inc
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Stumpf A, Cheng ZK, Beaudry D, Angelaud R, Gosselin F. Improved Synthesis of the Nav1.7 Inhibitor GDC-0276 via a Highly Regioselective SNAr Reaction. Org Process Res Dev 2019. [DOI: 10.1021/acs.oprd.9b00082] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Andreas Stumpf
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Zhigang Ken Cheng
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Danial Beaudry
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Remy Angelaud
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
| | - Francis Gosselin
- Department of Small Molecule Process Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, United States
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Madácsi R, Gyuris M, Wölfling J, Puskás LG, Kanizsai I. Highly regioselective 4-hydroxy-1-methylpiperidine mediated aromatic nucleophilic substitution on a perfluorinated phthalimide core. J Fluor Chem 2018. [DOI: 10.1016/j.jfluchem.2018.05.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Henderson AS, Medina S, Bower JF, Galan MC. Nucleophilic Aromatic Substitution (SNAr) as an Approach to Challenging Carbohydrate–Aryl Ethers. Org Lett 2015; 17:4846-9. [DOI: 10.1021/acs.orglett.5b02413] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Alexander S. Henderson
- School of Chemistry, University of Bristol, Cantock’s
Close, Bristol BS8 1TS, United Kingdom
| | - Sandra Medina
- School of Chemistry, University of Bristol, Cantock’s
Close, Bristol BS8 1TS, United Kingdom
| | - John F. Bower
- School of Chemistry, University of Bristol, Cantock’s
Close, Bristol BS8 1TS, United Kingdom
| | - M. Carmen Galan
- School of Chemistry, University of Bristol, Cantock’s
Close, Bristol BS8 1TS, United Kingdom
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Guo Y, Fan XM, Nie M, Liu HW, Liao DH, Pan XD, Ji YF. Practical Ligand-Free Copper-Catalysed Short-Chain Alkoxylation of Unactivated Aryl Bromides. European J Org Chem 2015. [DOI: 10.1002/ejoc.201500500] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Ghosh R, Lindstedt E, Jalalian N, Olofsson B. Room temperature, metal-free arylation of aliphatic alcohols. ChemistryOpen 2014; 3:54-7. [PMID: 24808991 PMCID: PMC4000167 DOI: 10.1002/open.201402006] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2014] [Indexed: 12/02/2022] Open
Abstract
Diaryliodonium salts are demonstrated as efficient arylating agents of aliphatic alcohols under metal-free conditions. The reaction proceeds at room temperature within 90 min to give alkyl aryl ethers in good to excellent yields. Aryl groups with electron-withdrawing substituents are transferred most efficiently, and unsymmetric iodonium salts give chemoselective arylations. The methodology has been applied to the formal synthesis of butoxycaine.
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Affiliation(s)
- Raju Ghosh
- Department of Organic Chemistry, Stockholm University 10691 Stockholm (Sweden)
| | - Erik Lindstedt
- Department of Organic Chemistry, Stockholm University 10691 Stockholm (Sweden)
| | - Nazli Jalalian
- Department of Organic Chemistry, Stockholm University 10691 Stockholm (Sweden)
| | - Berit Olofsson
- Department of Organic Chemistry, Stockholm University 10691 Stockholm (Sweden)
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Leflemme N, Stoit AR, Borghese A. Synthesis of novel 2H-spiro[1-benzofuran-3,4′-piperidin]ol scaffolds. Tetrahedron Lett 2012. [DOI: 10.1016/j.tetlet.2012.03.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Barlaam B, Harris CS, Lecoq J, Nguyen HTH. Preparation of 6-aminoquinazolin-4(3H)-ones via direct SNAr on the quinazoline ring. Tetrahedron 2012. [DOI: 10.1016/j.tet.2011.11.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Girardin M, Dolman SJ, Lauzon S, Ouellet SG, Hughes G, Fernandez P, Zhou G, O’Shea PD. Development of a Practical Synthesis of Stearoyl-CoA Desaturase (SCD1) Inhibitor MK-8245. Org Process Res Dev 2011. [DOI: 10.1021/op200186d] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Mélina Girardin
- Department of Process Research, Merck Frosst Centre for Therapeutic Research, 16711 Trans Canada Highway, Kirkland, Québec, Canada H9H 3L1
| | - Sarah J. Dolman
- Department of Process Research, Merck Frosst Centre for Therapeutic Research, 16711 Trans Canada Highway, Kirkland, Québec, Canada H9H 3L1
| | - Sophie Lauzon
- Department of Process Research, Merck Frosst Centre for Therapeutic Research, 16711 Trans Canada Highway, Kirkland, Québec, Canada H9H 3L1
| | - Stéphane G. Ouellet
- Department of Process Research, Merck Frosst Centre for Therapeutic Research, 16711 Trans Canada Highway, Kirkland, Québec, Canada H9H 3L1
| | - Greg Hughes
- Department of Process Research, Merck Frosst Centre for Therapeutic Research, 16711 Trans Canada Highway, Kirkland, Québec, Canada H9H 3L1
| | - Paul Fernandez
- Global Science and Technology Commercialization, Merck Sharp and Dohme Corporation, P.O. Box 2000, Rahway, New Jersey 07065, United States
| | - George Zhou
- Global Science and Technology Commercialization, Merck Sharp and Dohme Corporation, P.O. Box 2000, Rahway, New Jersey 07065, United States
| | - Paul D. O’Shea
- Department of Process Research, Merck Frosst Centre for Therapeutic Research, 16711 Trans Canada Highway, Kirkland, Québec, Canada H9H 3L1
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Ortho-selectivity in the nucleophilic aromatic substitution (SNAr) reactions of 3-substituted, 2,6-dichloropyridines with alkali metal alkoxides. Tetrahedron Lett 2011. [DOI: 10.1016/j.tetlet.2011.06.007] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Ouellet SG, Roy A, Molinaro C, Angelaud R, Marcoux JF, O'Shea PD, Davies IW. Preparative scale synthesis of the biaryl core of anacetrapib via a ruthenium-catalyzed direct arylation reaction: unexpected effect of solvent impurity on the arylation reaction. J Org Chem 2011; 76:1436-9. [PMID: 21284400 DOI: 10.1021/jo1018574] [Citation(s) in RCA: 84] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
In this report, we disclose our findings regarding the remarkable effect of a low-level impurity found in the solvent used for a ruthenium-catalyzed direct arylation reaction. This discovery allowed for the development of a robust and high-yield arylation protocol that was demonstrated on a multikilogram scale using carboxylate as the cocatalyst. Finally, a practical, scalable, and chromatography-free synthesis of the biaryl core of Anacetrapib is described.
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Affiliation(s)
- Stéphane G Ouellet
- Department of Process Research, Merck Frosst Canada, Kirkland, Quebec, Canada.
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Wendt MD, Kunzer AR. Ortho-selectivity in SNAr substitutions of 2,4-dihaloaromatic compounds. Reactions with anionic nucleophiles. Tetrahedron Lett 2010. [DOI: 10.1016/j.tetlet.2010.03.124] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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15
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Ortho selectivity in SNAr substitutions of 2,4-dihaloaromatic compounds. Reactions with piperidine. Tetrahedron Lett 2010. [DOI: 10.1016/j.tetlet.2009.11.087] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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