1
|
Magano J. Large-Scale Amidations in Process Chemistry: Practical Considerations for Reagent Selection and Reaction Execution. Org Process Res Dev 2022. [DOI: 10.1021/acs.oprd.2c00005] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Javier Magano
- Chemical Research & Development, Pfizer Worldwide Research & Development, Eastern Point Road, Groton, Connecticut 06340, United States
| |
Collapse
|
2
|
Valero M, Becker D, Jess K, Weck R, Atzrodt J, Bannenberg T, Derdau V, Tamm M. Directed Iridium‐Catalyzed Hydrogen Isotope Exchange Reactions of Phenylacetic Acid Esters and Amides. Chemistry 2019; 25:6517-6522. [DOI: 10.1002/chem.201901449] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Indexed: 12/19/2022]
Affiliation(s)
- Mégane Valero
- Integrated Drug DiscoverySanofi-Aventis (Deutschland) GmbH, R&D Industriepark Höchst 65926 Frankfurt am Main Germany
| | - Daniel Becker
- Technische Universität Braunschweig Hagenring 30 38106 Braunschweig Germany
| | - Kristof Jess
- Technische Universität Braunschweig Hagenring 30 38106 Braunschweig Germany
| | - Remo Weck
- Integrated Drug DiscoverySanofi-Aventis (Deutschland) GmbH, R&D Industriepark Höchst 65926 Frankfurt am Main Germany
| | - Jens Atzrodt
- Integrated Drug DiscoverySanofi-Aventis (Deutschland) GmbH, R&D Industriepark Höchst 65926 Frankfurt am Main Germany
| | - Thomas Bannenberg
- Technische Universität Braunschweig Hagenring 30 38106 Braunschweig Germany
| | - Volker Derdau
- Integrated Drug DiscoverySanofi-Aventis (Deutschland) GmbH, R&D Industriepark Höchst 65926 Frankfurt am Main Germany
| | - Matthias Tamm
- Technische Universität Braunschweig Hagenring 30 38106 Braunschweig Germany
| |
Collapse
|
3
|
Affiliation(s)
- Navjeet Kaur
- Department of Chemistry, Banasthali Vidyapith, Banasthali, India
| |
Collapse
|
4
|
Dunetz JR, Magano J, Weisenburger GA. Large-Scale Applications of Amide Coupling Reagents for the Synthesis of Pharmaceuticals. Org Process Res Dev 2016. [DOI: 10.1021/op500305s] [Citation(s) in RCA: 411] [Impact Index Per Article: 51.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Joshua R. Dunetz
- Process
Chemistry, Gilead Sciences, 333 Lakeside Drive, Foster City, California 94404, United States
| | - Javier Magano
- Chemical Research & Development, Pfizer Worldwide Research & Development, Eastern Point Road, Groton, Connecticut 06340, United States
| | - Gerald A. Weisenburger
- Chemical Research & Development, Pfizer Worldwide Research & Development, Eastern Point Road, Groton, Connecticut 06340, United States
| |
Collapse
|
5
|
Synthesis of 3-aryl substituted benzo[1,2,5]triazepin-4-ones via intramolecular imine formation. Tetrahedron Lett 2009. [DOI: 10.1016/j.tetlet.2009.01.064] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
|
6
|
Affiliation(s)
- Karel M J Brands
- Department of Process Research, Merck, Sharp & Dohme Research Laboratories, Hertford Road, Hoddesdon, Hertfordshire, EN11 9BU, United Kingdom.
| | | |
Collapse
|
7
|
Davies AJ, Scott JP, Bishop BC, Brands KMJ, Brewer SE, Dasilva JO, Dormer PG, Dolling UH, Gibb AD, Hammond DC, Lieberman DR, Palucki M, Payack JF. A Novel Crystallization-Induced Diastereomeric Transformation Based on a Reversible Carbon−Sulfur Bond Formation. Application to the Synthesis of a γ-Secretase Inhibitor. J Org Chem 2007; 72:4864-71. [PMID: 17521199 DOI: 10.1021/jo0705925] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
This paper describes a remarkably efficient process for the preparation of gamma-secretase inhibitor 1. The target is synthesized in only five steps with an overall yield of 58%. The key operation is a highly selective and practical, crystallization-driven transformation for the conversion of a mixture of tertiary benzylic alcohols into the desired sulfide diastereomer with 94:6 dr. This unprecedented process is based upon a reversible carbon-sulfur bond formation under acidic conditions.
Collapse
Affiliation(s)
- Antony J Davies
- Department of Process Research, Merck, Sharp and Dohme Research Laboratories, Hertford Road, Hoddesdon, Hertfordshire, EN11 9BU, United Kingdom.
| | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
8
|
Yoshioka R. Racemization, Optical Resolution and Crystallization-Induced Asymmetric Transformation of Amino Acids and Pharmaceutical Intermediates. Top Curr Chem (Cham) 2007; 269:83-132. [DOI: 10.1007/128_2006_094] [Citation(s) in RCA: 65] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
|
9
|
Williams TM, Stump CA, Nguyen DN, Quigley AG, Bell IM, Gallicchio SN, Zartman CB, Wan BL, Penna KD, Kunapuli P, Kane SA, Koblan KS, Mosser SD, Rutledge RZ, Salvatore C, Fay JF, Vacca JP, Graham SL. Non-peptide calcitonin gene-related peptide receptor antagonists from a benzodiazepinone lead. Bioorg Med Chem Lett 2006; 16:2595-8. [PMID: 16527483 DOI: 10.1016/j.bmcl.2006.02.051] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2005] [Accepted: 02/16/2006] [Indexed: 11/20/2022]
Abstract
High-throughput screening of the Merck sample collection identified benzodiazepinone tetralin-spirohydantoin 1 as a CGRP receptor antagonist with micromolar activity. Comparing the structure of 1 with those of earlier peptide-based antagonists such as BIBN 4096 BS, a key hydrogen bond donor-acceptor pharmacophore was hypothesized. Subsequent structure activity studies supported this hypothesis and led to benzodiazepinone piperidinyldihydroquinazolinone 7, CGRP receptor K(i)=44nM and IC(50)=38nM. Compound 7 was orally bioavailabile in rats and is a lead in the development of orally bioavailable CGRP antagonists for the treatment of migraine.
Collapse
Affiliation(s)
- Theresa M Williams
- Department of Medicinal Chemistry Merck & Co., West Point, PA 19486, USA.
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
10
|
Fogassy E, Nógrádi M, Kozma D, Egri G, Pálovics E, Kiss V. Optical resolution methods. Org Biomol Chem 2006; 4:3011-30. [PMID: 16886066 DOI: 10.1039/b603058k] [Citation(s) in RCA: 160] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Despite the large number of elaborate enantioselective syntheses for the preparation of a single enantiomer to achieve industrial and scientific goals, the separation and purification of enantiomers (components of racemic compounds) is also necessary. Hence, we present the most often used thought-provoking modern methods based on momentous recognitions (e.g. spontaneous resolution, induced crystallization, resolution by formation of diastereomers, resolution by formation of non-covalent diastereomers, resolution by diastereomeric salt formation, resolution by diastereomeric complex formation, "half equivalent" methods of resolution, separation by crystallization, separation by distillation, separation by supercritical fluid extraction, resolution with mixtures of resolving agents, resolution with a derivative of the target compound, enantioselective chromatography, resolution by formation of covalent diastereomers, resolution by substrate selective reaction, kinetic resolution without enzymes, kinetic resolution by enzyme catalysis, hydrolytic and redox enzymes, kinetic and thermodynamic control, resolutions combined with 2nd order asymmetric transformations, enrichment of partially resolved mixtures, role of the solvent and methods of optimization in the separation of diastereoisomers, non-linear effects and selected examples of resolution on an industrial scale).
Collapse
Affiliation(s)
- Elemér Fogassy
- Institute of Organic Chemical Technology, University of Technology and Economics, Budapest, POB 91, Hungary
| | | | | | | | | | | |
Collapse
|
11
|
Anderson NG. Developing Processes for Crystallization-Induced Asymmetric Transformation. Org Process Res Dev 2005. [DOI: 10.1021/op050119y] [Citation(s) in RCA: 69] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Neal G. Anderson
- Anderson's Process Solutions, 7400 Griffin Lane, Jacksonville, Oregon 97530, U.S.A
| |
Collapse
|
12
|
Schroer JW, Ng KM. Process Paths of Kinetically Controlled Crystallization: Enantiomers and Polymorphs. Ind Eng Chem Res 2003. [DOI: 10.1021/ie020722u] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Joseph W. Schroer
- Department of Chemical Engineering, University of Massachusetts, Amherst, Massachusetts 01003
| | - Ka M. Ng
- Department of Chemical Engineering, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong
| |
Collapse
|
13
|
Nadin A, López JMS, Owens AP, Howells DM, Talbot AC, Harrison T. New synthesis of 1,3-dihydro-1,4-benzodiazepin-2(2H)-ones and 3-amino-1,3-dihydro-1,4-benzodiazepin-2(2H)-ones: Pd-catalyzed cross-coupling of imidoyl chlorides with organoboronic acids. J Org Chem 2003; 68:2844-52. [PMID: 12662061 DOI: 10.1021/jo026860a] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A new approach to the synthesis of 1,4-benzodiazepines and 3-amino-1,4-benzodiazepines, which employs the Pd-catalyzed cross-coupling reaction of an imidoyl chloride with an organometallic reagent as the key step, is described. A five-step synthesis of a key intermediate is described and it is shown that in only four further steps (three couplings and a TFA-mediated BOC-deprotection) a wide variety of N1-, C3-amino-, C5-carbon-, or nitrogen-substituted 1,4-benzodiazepines can be synthesized.
Collapse
Affiliation(s)
- Alan Nadin
- Department of Medicinal Chemistry, Merck Sharp & Dohme Research Laboratories, The Neuroscience Research Centre, Terlings Park, Harlow, Essex, CM20 2QR, UK.
| | | | | | | | | | | |
Collapse
|
14
|
Konoike T, Matsumura KI, Yorifuji T, Shinomoto S, Ide Y, Ohya T. Practical enantioselective synthesis of endothelin antagonist S-1255 by dynamic resolution of 4-methoxychromene-3-carboxylic acid intermediate. J Org Chem 2002; 67:7741-9. [PMID: 12398498 DOI: 10.1021/jo0261092] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
A practical multikilogram-scale synthesis of enantiomerically pure S-1255 (1), a potent and orally active ET(A) receptor antagonist, is described. Utilizing readily available starting materials and reagents, the entire sequence of reactions starting from 2,5-dihydroxyacetophenone 8 proceeded under mild conditions to give 1 in an excellent chemical yield (8 steps, 41% overall yield) and in a high enantiopurity (98% ee). The crucial step of the synthesis is a dynamic resolution of key intermediate 16. (R)-Methoxy acid (R)-16 having 97-99% ee was obtained in 83-84% yield from racemic 16 as a crystalline (1S,2R)-(+)-norephedrine or (+)-cinchonine salt by the dynamic resolution comprising concurrent crystallization and in situ racemization. A mechanism of the dynamic resolution through a ring-opened zwitterionic intermediate is discussed. In the final synthetic step, an effective carbon-carbon bond formation between the C4 carbon and the p-anisyl group was accomplished by a conjugate addition-elimination reaction of Grignard reagent 3 to (R)-16 to give 1 having 98% ee. Owing to high efficiencies of functional group transformations, carbon-carbon bond formations, and the dynamic resolution, the synthesis required no chromatographic purification and was amenable to a multikilogram-scale preparation. Several kilograms of 1 for clinical trials were successfully prepared by this process.
Collapse
Affiliation(s)
- Toshiro Konoike
- Shionogi Research Laboratories, Shionogi & Co., Ltd., 1-3, Kuise Terajima 2-chome, Amagasaki, Hyogo 660-0813, Japan.
| | | | | | | | | | | |
Collapse
|
15
|
Pye PJ, Rossen K, Weissman SA, Maliakal A, Reamer RA, Ball R, Tsou NN, Volante RP, Reider PJ. Crystallization-induced diastereoselection: asymmetric synthesis of substance P inhibitors. Chemistry 2002; 8:1372-6. [PMID: 11921220 DOI: 10.1002/1521-3765(20020315)8:6<1372::aid-chem1372>3.0.co;2-6] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
A novel three-component condensation followed by a crystallization-induced asymmetric transformation is used to build this key substance P inhibitor intermediate in a short synthetic sequence.
Collapse
Affiliation(s)
- Philip J Pye
- Department of Process Research, Merck Research Laboratories, P.O. Box 2000, Rahway, New Jersey 07065, USA.
| | | | | | | | | | | | | | | | | |
Collapse
|
16
|
|