1
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Wang C, Zhou L, Qiu J, Yang K, Song Q. Rh-Catalyzed diastereoselective addition of arylboronic acids to α-keto N-tert-butanesulfinyl aldimines: synthesis of α-amino ketones. Org Chem Front 2022. [DOI: 10.1039/d1qo01721g] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Herein we present a diastereoselective addition of arylboronic acids to α-keto N-tert-butanesulfinyl aldimines catalyzed by a Rh(i) catalyst.
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Affiliation(s)
- Cece Wang
- Key Laboratory of Molecule Synthesis and Function Discovery, Fujian Province University, College of Chemistry at Fuzhou University, Fuzhou, Fujian, 350108, China
| | - Lu Zhou
- Key Laboratory of Molecule Synthesis and Function Discovery, Fujian Province University, College of Chemistry at Fuzhou University, Fuzhou, Fujian, 350108, China
| | - Jian Qiu
- Key Laboratory of Molecule Synthesis and Function Discovery, Fujian Province University, College of Chemistry at Fuzhou University, Fuzhou, Fujian, 350108, China
| | - Kai Yang
- Key Laboratory of Molecule Synthesis and Function Discovery, Fujian Province University, College of Chemistry at Fuzhou University, Fuzhou, Fujian, 350108, China
| | - Qiuling Song
- Key Laboratory of Molecule Synthesis and Function Discovery, Fujian Province University, College of Chemistry at Fuzhou University, Fuzhou, Fujian, 350108, China
- Institute of Next Generation Matter Transformation, College of Materials Science Engineering at Huaqiao University, 668 Jimei Boulevard, Xiamen, Fujian, 361021, China
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2
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Hu Y, Wang C, Zhu H, Xing J, Dou X. Rhodium‐Catalysed Asymmetric Arylation of Pyridylimines. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202101281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Yan Hu
- Department of Chemistry, School of Science China Pharmaceutical University Nanjing 211198 People's Republic of China
| | - Chenhong Wang
- Department of Chemistry, School of Science China Pharmaceutical University Nanjing 211198 People's Republic of China
| | - Huilong Zhu
- Department of Chemistry, School of Science China Pharmaceutical University Nanjing 211198 People's Republic of China
| | - Junhao Xing
- Department of Chemistry, School of Science China Pharmaceutical University Nanjing 211198 People's Republic of China
| | - Xiaowei Dou
- Department of Chemistry, School of Science China Pharmaceutical University Nanjing 211198 People's Republic of China
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3
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Bateman JM, Chan D, Moroglu M, Rahemtulla BF, Talbot EPA. Diastereoselective Synthesis of Morpholine Derivatives from Grignard Reagents and N-Sulfinyl Imines. Synlett 2021. [DOI: 10.1055/a-1529-4797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
AbstractThe stereoselective synthesis of substituted morpholine derivatives has been achieved through a two-step process involving diastereoselective addition of a Grignard reagent to a sulfinyl imine, followed by cyclization.
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4
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Tang Y, Miller SJ. Catalytic Enantioselective Synthesis of Pyridyl Sulfoximines. J Am Chem Soc 2021; 143:9230-9235. [PMID: 34124892 DOI: 10.1021/jacs.1c04431] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
With unique chemical and biological activity, sulfoximines have attracted enormous attention in the past decades, whereas limited reports exist for their synthesis via asymmetric catalysis. We report the synthesis of chiral sulfoximines through the desymmetrizing N-oxidation of pyridyl sulfoximines using an aspartic acid-containing peptide catalyst. Various mono- and bis-pyridyl sulfoximine oxides are obtained with up to 99:1 er. The directing group introduced on the substrate highly enhances the enantioinduction and could be easily removed to give the free N-H sulfoximines. Additionally, peptides with methyl ester and the methyl amide C-terminal protecting group give the opposite enantiomers of the product. A binding model is proposed to explain this phenomenon.
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Affiliation(s)
- Yu Tang
- Department of Chemistry, Yale University, New Haven, Connecticut 06520-8107, United States
| | - Scott J Miller
- Department of Chemistry, Yale University, New Haven, Connecticut 06520-8107, United States
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5
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Yang W, Wang Y, Lai A, Clark CG, Corte JR, Fang T, Gilligan PJ, Jeon Y, Pabbisetty KB, Rampulla RA, Mathur A, Kaspady M, Neithnadka PR, Arumugam A, Raju S, Rossi KA, Myers JE, Sheriff S, Lou Z, Zheng JJ, Chacko SA, Bozarth JM, Wu Y, Crain EJ, Wong PC, Seiffert DA, Luettgen JM, Lam PYS, Wexler RR, Ewing WR. Discovery of a High Affinity, Orally Bioavailable Macrocyclic FXIa Inhibitor with Antithrombotic Activity in Preclinical Species. J Med Chem 2020; 63:7226-7242. [DOI: 10.1021/acs.jmedchem.0c00464] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Wu Yang
- Research and Development, Bristol Myers Squibb Company, P.O. Box 5400, Princeton, New Jersey 08540, United States
| | - Yufeng Wang
- Research and Development, Bristol Myers Squibb Company, P.O. Box 5400, Princeton, New Jersey 08540, United States
| | - Amy Lai
- Research and Development, Bristol Myers Squibb Company, P.O. Box 5400, Princeton, New Jersey 08540, United States
| | - Charles G. Clark
- Research and Development, Bristol Myers Squibb Company, P.O. Box 5400, Princeton, New Jersey 08540, United States
| | - James R. Corte
- Research and Development, Bristol Myers Squibb Company, P.O. Box 5400, Princeton, New Jersey 08540, United States
| | - Tianan Fang
- Research and Development, Bristol Myers Squibb Company, P.O. Box 5400, Princeton, New Jersey 08540, United States
| | - Paul J. Gilligan
- Research and Development, Bristol Myers Squibb Company, P.O. Box 5400, Princeton, New Jersey 08540, United States
| | - Yoon Jeon
- Research and Development, Bristol Myers Squibb Company, P.O. Box 5400, Princeton, New Jersey 08540, United States
| | - Kumar B. Pabbisetty
- Research and Development, Bristol Myers Squibb Company, P.O. Box 5400, Princeton, New Jersey 08540, United States
| | - Richard A. Rampulla
- Research and Development, Bristol Myers Squibb Company, P.O. Box 5400, Princeton, New Jersey 08540, United States
| | - Arvind Mathur
- Research and Development, Bristol Myers Squibb Company, P.O. Box 5400, Princeton, New Jersey 08540, United States
| | - Mahammed Kaspady
- Biocon Bristol Myers Squibb R&D Centre, Syngene International Ltd., Biocon Park, Plot nos. 2 and 3, Bommasandra−Jigani Road, Bangalore 560100, India
| | - Premsai Rai Neithnadka
- Biocon Bristol Myers Squibb R&D Centre, Syngene International Ltd., Biocon Park, Plot nos. 2 and 3, Bommasandra−Jigani Road, Bangalore 560100, India
| | - Arunachalam Arumugam
- Biocon Bristol Myers Squibb R&D Centre, Syngene International Ltd., Biocon Park, Plot nos. 2 and 3, Bommasandra−Jigani Road, Bangalore 560100, India
| | - Sivashankaran Raju
- Biocon Bristol Myers Squibb R&D Centre, Syngene International Ltd., Biocon Park, Plot nos. 2 and 3, Bommasandra−Jigani Road, Bangalore 560100, India
| | - Karen A. Rossi
- Research and Development, Bristol Myers Squibb Company, P.O. Box 5400, Princeton, New Jersey 08540, United States
| | - Joseph E. Myers
- Research and Development, Bristol Myers Squibb Company, P.O. Box 5400, Princeton, New Jersey 08540, United States
| | - Steven Sheriff
- Research and Development, Bristol Myers Squibb Company, P.O. Box 5400, Princeton, New Jersey 08540, United States
| | - Zhen Lou
- Research and Development, Bristol Myers Squibb Company, P.O. Box 5400, Princeton, New Jersey 08540, United States
| | - Joanna J. Zheng
- Research and Development, Bristol Myers Squibb Company, P.O. Box 5400, Princeton, New Jersey 08540, United States
| | - Silvi A. Chacko
- Research and Development, Bristol Myers Squibb Company, P.O. Box 5400, Princeton, New Jersey 08540, United States
| | - Jeffrey M. Bozarth
- Research and Development, Bristol Myers Squibb Company, P.O. Box 5400, Princeton, New Jersey 08540, United States
| | - Yiming Wu
- Research and Development, Bristol Myers Squibb Company, P.O. Box 5400, Princeton, New Jersey 08540, United States
| | - Earl J. Crain
- Research and Development, Bristol Myers Squibb Company, P.O. Box 5400, Princeton, New Jersey 08540, United States
| | - Pancras C. Wong
- Research and Development, Bristol Myers Squibb Company, P.O. Box 5400, Princeton, New Jersey 08540, United States
| | - Dietmar A. Seiffert
- Research and Development, Bristol Myers Squibb Company, P.O. Box 5400, Princeton, New Jersey 08540, United States
| | - Joseph M. Luettgen
- Research and Development, Bristol Myers Squibb Company, P.O. Box 5400, Princeton, New Jersey 08540, United States
| | - Patrick Y. S. Lam
- Research and Development, Bristol Myers Squibb Company, P.O. Box 5400, Princeton, New Jersey 08540, United States
| | - Ruth R. Wexler
- Research and Development, Bristol Myers Squibb Company, P.O. Box 5400, Princeton, New Jersey 08540, United States
| | - William R. Ewing
- Research and Development, Bristol Myers Squibb Company, P.O. Box 5400, Princeton, New Jersey 08540, United States
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6
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Zhang Y, Bao Q, Zhang N, Wang S, Yu X. Stereocontrolled addition of Grignard reagents to oxa-bridged benzazepines: highly efficient synthesis of functionalized benzazepine scaffolds. RSC Adv 2020; 10:41802-41806. [PMID: 35516537 PMCID: PMC9057913 DOI: 10.1039/d0ra08758k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Accepted: 11/10/2020] [Indexed: 11/21/2022] Open
Abstract
An efficient and highly diastereoselective synthesis of 2-substituted benzo[b]azepin-5-ol via stereocontrolled addition of Grignard reagents to oxa-bridged benzazepines has been developed. The reaction proceeds efficiently starting from versatile skeletons with mild reaction conditions as well as simple operation. Furthermore, 2-substituted benzazepinones could been obtained by simple Dess–Martin oxidation in excellent yields. An efficient and highly diastereoselective synthesis of 2-substituted benzo[b]azepin-5-ol via stereocontrolled addition of Grignard reagents to oxa-bridged benzazepines has been developed.![]()
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Affiliation(s)
- Yuewei Zhang
- School of Chemistry and Pharmaceutical Engineering
- Jilin Institute of Chemical Technology
- Jilin 132022
- China
| | - Qingqing Bao
- School of Chemistry and Pharmaceutical Engineering
- Jilin Institute of Chemical Technology
- Jilin 132022
- China
| | - Ning Zhang
- School of Chemistry and Pharmaceutical Engineering
- Jilin Institute of Chemical Technology
- Jilin 132022
- China
| | - Shuohang Wang
- School of Chemistry and Pharmaceutical Engineering
- Jilin Institute of Chemical Technology
- Jilin 132022
- China
| | - Xue Yu
- School of Chemistry and Pharmaceutical Engineering
- Jilin Institute of Chemical Technology
- Jilin 132022
- China
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7
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Corte JR, Pinto DJP, Fang T, Osuna H, Yang W, Wang Y, Lai A, Clark CG, Sun JH, Rampulla R, Mathur A, Kaspady M, Neithnadka PR, Li YXC, Rossi KA, Myers JE, Sheriff S, Lou Z, Harper TW, Huang C, Zheng JJ, Bozarth JM, Wu Y, Wong PC, Crain EJ, Seiffert DA, Luettgen JM, Lam PYS, Wexler RR, Ewing WR. Potent, Orally Bioavailable, and Efficacious Macrocyclic Inhibitors of Factor XIa. Discovery of Pyridine-Based Macrocycles Possessing Phenylazole Carboxamide P1 Groups. J Med Chem 2019; 63:784-803. [DOI: 10.1021/acs.jmedchem.9b01768] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- James R. Corte
- Research and Development, Bristol-Myers Squibb Company, 350 Carter Road, Hopewell, New Jersey 08540, United States
| | - Donald J. P. Pinto
- Research and Development, Bristol-Myers Squibb Company, 350 Carter Road, Hopewell, New Jersey 08540, United States
| | - Tianan Fang
- Research and Development, Bristol-Myers Squibb Company, 350 Carter Road, Hopewell, New Jersey 08540, United States
| | - Honey Osuna
- Research and Development, Bristol-Myers Squibb Company, 350 Carter Road, Hopewell, New Jersey 08540, United States
| | - Wu Yang
- Research and Development, Bristol-Myers Squibb Company, 350 Carter Road, Hopewell, New Jersey 08540, United States
| | - Yufeng Wang
- Research and Development, Bristol-Myers Squibb Company, 350 Carter Road, Hopewell, New Jersey 08540, United States
| | - Amy Lai
- Research and Development, Bristol-Myers Squibb Company, 350 Carter Road, Hopewell, New Jersey 08540, United States
| | - Charles G. Clark
- Research and Development, Bristol-Myers Squibb Company, 350 Carter Road, Hopewell, New Jersey 08540, United States
| | - Jung-Hui Sun
- Research and Development, Bristol-Myers Squibb Company, US Rt. 206 & Province Line Road, Princeton, New Jersey 08540, United States
| | - Richard Rampulla
- Research and Development, Bristol-Myers Squibb Company, US Rt. 206 & Province Line Road, Princeton, New Jersey 08540, United States
| | - Arvind Mathur
- Research and Development, Bristol-Myers Squibb Company, US Rt. 206 & Province Line Road, Princeton, New Jersey 08540, United States
| | - Mahammed Kaspady
- Bristol-Myers Squibb Research Center, Syngene International Pvt. Ltd., Biocon Park, Plot No. 2 & 3, Bommasandra−Jigani Road, Bangalore 560 100, India
| | - Premsai Rai Neithnadka
- Bristol-Myers Squibb Research Center, Syngene International Pvt. Ltd., Biocon Park, Plot No. 2 & 3, Bommasandra−Jigani Road, Bangalore 560 100, India
| | - Yi-Xin Cindy Li
- Research and Development, Bristol-Myers Squibb Company, 350 Carter Road, Hopewell, New Jersey 08540, United States
| | - Karen A. Rossi
- Research and Development, Bristol-Myers Squibb Company, 350 Carter Road, Hopewell, New Jersey 08540, United States
| | - Joseph E. Myers
- Research and Development, Bristol-Myers Squibb Company, US Rt. 206 & Province Line Road, Princeton, New Jersey 08540, United States
| | - Steven Sheriff
- Research and Development, Bristol-Myers Squibb Company, US Rt. 206 & Province Line Road, Princeton, New Jersey 08540, United States
| | - Zhen Lou
- Research and Development, Bristol-Myers Squibb Company, 311 Pennington-Rocky Hill Road, Pennington, New Jersey 08543, United States
| | - Timothy W. Harper
- Research and Development, Bristol-Myers Squibb Company, 311 Pennington-Rocky Hill Road, Pennington, New Jersey 08543, United States
| | - Christine Huang
- Research and Development, Bristol-Myers Squibb Company, 311 Pennington-Rocky Hill Road, Pennington, New Jersey 08543, United States
| | - Joanna J. Zheng
- Research and Development, Bristol-Myers Squibb Company, 311 Pennington-Rocky Hill Road, Pennington, New Jersey 08543, United States
| | - Jeffrey M. Bozarth
- Research and Development, Bristol-Myers Squibb Company, 311 Pennington-Rocky Hill Road, Pennington, New Jersey 08543, United States
| | - Yiming Wu
- Research and Development, Bristol-Myers Squibb Company, 311 Pennington-Rocky Hill Road, Pennington, New Jersey 08543, United States
| | - Pancras C. Wong
- Research and Development, Bristol-Myers Squibb Company, 311 Pennington-Rocky Hill Road, Pennington, New Jersey 08543, United States
| | - Earl J. Crain
- Research and Development, Bristol-Myers Squibb Company, 311 Pennington-Rocky Hill Road, Pennington, New Jersey 08543, United States
| | - Dietmar A. Seiffert
- Research and Development, Bristol-Myers Squibb Company, 311 Pennington-Rocky Hill Road, Pennington, New Jersey 08543, United States
| | - Joseph M. Luettgen
- Research and Development, Bristol-Myers Squibb Company, 311 Pennington-Rocky Hill Road, Pennington, New Jersey 08543, United States
| | - Patrick Y. S. Lam
- Research and Development, Bristol-Myers Squibb Company, 350 Carter Road, Hopewell, New Jersey 08540, United States
| | - Ruth R. Wexler
- Research and Development, Bristol-Myers Squibb Company, 350 Carter Road, Hopewell, New Jersey 08540, United States
| | - William R. Ewing
- Research and Development, Bristol-Myers Squibb Company, 350 Carter Road, Hopewell, New Jersey 08540, United States
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8
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Hsieh SY, Tang Y, Crotti S, Stone EA, Miller SJ. Catalytic Enantioselective Pyridine N-Oxidation. J Am Chem Soc 2019; 141:18624-18629. [PMID: 31656070 PMCID: PMC6926419 DOI: 10.1021/jacs.9b10414] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The catalytic, enantioselective N-oxidation of substituted pyridines is described. The approach is predicated on a biomolecule-inspired catalytic cycle wherein high levels of asymmetric induction are provided by aspartic-acid-containing peptides as the aspartyl side chain shuttles between free acid and peracid forms. Desymmetrizations of bis(pyridine) substrates bearing a remote pro-stereogenic center substituted with a group capable of hydrogen bonding to the catalyst are demonstrated. Our approach presents a new entry into chiral pyridine frameworks in a heterocycle-rich molecular environment. Representative functionalizations of the enantioenriched pyridine N-oxides further document the utility of this approach. Demonstration of the asymmetric N-oxidation in two venerable drug-like scaffolds, Loratadine and Varenicline, show the likely generality of the method for highly variable and distinct chiral environments, while also revealing that the approach is applicable to both pyridines and 1,4-pyrazines.
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Affiliation(s)
- Sheng-Ying Hsieh
- Department of Chemistry, Yale University, New Haven, Connecticut 06520-8107, United States
| | - Yu Tang
- Department of Chemistry, Yale University, New Haven, Connecticut 06520-8107, United States
| | - Simone Crotti
- Department of Chemistry, Yale University, New Haven, Connecticut 06520-8107, United States
| | - Elizabeth A. Stone
- Department of Chemistry, Yale University, New Haven, Connecticut 06520-8107, United States
| | - Scott J. Miller
- Department of Chemistry, Yale University, New Haven, Connecticut 06520-8107, United States
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9
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Langille NF, Horne DB. Discovery and Development of AMG 333: A TRPM8 Antagonist for Migraine. ACS SYMPOSIUM SERIES 2019. [DOI: 10.1021/bk-2019-1332.ch006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Neil F. Langille
- Pivotal Drug Substance Synthetic Technologies, Amgen, Inc., 360 Binney Street, Cambridge, Massachusetts 02142, United States
| | - Daniel B. Horne
- Discovery Research, Amgen, Inc., 360 Binney Street, Cambridge, Massachusetts 02142, United States
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10
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Horne DB, Biswas K, Brown J, Bartberger MD, Clarine J, Davis CD, Gore VK, Harried S, Horner M, Kaller MR, Lehto SG, Liu Q, Ma VV, Monenschein H, Nguyen TT, Yuan CC, Youngblood BD, Zhang M, Zhong W, Allen JR, Chen JJ, Gavva NR. Discovery of TRPM8 Antagonist ( S)-6-(((3-Fluoro-4-(trifluoromethoxy)phenyl)(3-fluoropyridin-2-yl)methyl)carbamoyl)nicotinic Acid (AMG 333), a Clinical Candidate for the Treatment of Migraine. J Med Chem 2018; 61:8186-8201. [PMID: 30148953 DOI: 10.1021/acs.jmedchem.8b00518] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Transient-receptor-potential melastatin 8 (TRPM8), the predominant mammalian cold-temperature thermosensor, is a nonselective cation channel expressed in a subpopulation of sensory neurons in the peripheral nervous system, including nerve circuitry implicated in migraine pathogenesis: the trigeminal and pterygopalatine ganglia. Genomewide association studies have identified an association between TRPM8 and reduced risk of migraine. This disclosure focuses on medicinal-chemistry efforts to improve the druglike properties of initial leads, particularly removal of CYP3A4-induction liability and improvement of pharmacokinetic properties. A novel series of biarylmethanamide TRPM8 antagonists was developed, and a subset of leads were evaluated in preclinical toxicology studies to identify a clinical candidate with an acceptable preclinical safety profile leading to clinical candidate AMG 333, a potent and highly selective antagonist of TRPM8 that was evaluated in human clinical trials.
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11
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Reddy LR, Kotturi S, Waman Y, Patel C, Patwa A, Shenoy R. Diastereoselective addition of anisoles to N-tert-butanesulfinyl imines via four-membered lithium cycles. Chem Commun (Camb) 2018; 54:7007-7009. [DOI: 10.1039/c8cc03764g] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
A highly regio- and diastereo-selective ortho-lithiation/addition of anisoles to N-tert-butanesulfinyl imines resulting in the selective formation of chiral α-branched amines is described.
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Affiliation(s)
| | | | - Yogesh Waman
- Piramal Discovery Solutions
- Pharmaceutical Special Economic Zone
- Ahmedabad
- India
| | - Chirag Patel
- Piramal Discovery Solutions
- Pharmaceutical Special Economic Zone
- Ahmedabad
- India
| | - Aditya Patwa
- Piramal Discovery Solutions
- Pharmaceutical Special Economic Zone
- Ahmedabad
- India
| | - Rajesh Shenoy
- Piramal Discovery Solutions
- Pharmaceutical Special Economic Zone
- Ahmedabad
- India
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12
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Lauder K, Toscani A, Scalacci N, Castagnolo D. Synthesis and Reactivity of Propargylamines in Organic Chemistry. Chem Rev 2017; 117:14091-14200. [PMID: 29166000 DOI: 10.1021/acs.chemrev.7b00343] [Citation(s) in RCA: 300] [Impact Index Per Article: 42.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Propargylamines are a versatile class of compounds which find broad application in many fields of chemistry. This review aims to describe the different strategies developed so far for the synthesis of propargylamines and their derivatives as well as to highlight their reactivity and use as building blocks in the synthesis of chemically relevant organic compounds. In the first part of the review, the different synthetic approaches to synthesize propargylamines, such as A3 couplings and C-H functionalization of alkynes, have been described and organized on the basis of the catalysts employed in the syntheses. Both racemic and enantioselective approaches have been reported. In the second part, an overview of the transformations of propargylamines into heterocyclic compounds such as pyrroles, pyridines, thiazoles, and oxazoles, as well as other relevant organic derivatives, is presented.
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Affiliation(s)
- Kate Lauder
- School of Cancer and Pharmaceutical Sciences, King's College London , Franklin-Wilkins Building, 150 Stamford Street, London SE1 9NH, United Kingdom
| | - Anita Toscani
- School of Cancer and Pharmaceutical Sciences, King's College London , Franklin-Wilkins Building, 150 Stamford Street, London SE1 9NH, United Kingdom
| | - Nicolò Scalacci
- School of Cancer and Pharmaceutical Sciences, King's College London , Franklin-Wilkins Building, 150 Stamford Street, London SE1 9NH, United Kingdom
| | - Daniele Castagnolo
- School of Cancer and Pharmaceutical Sciences, King's College London , Franklin-Wilkins Building, 150 Stamford Street, London SE1 9NH, United Kingdom
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13
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Abudu Rexit A, Luo S, Mailikezati M. Chiral Phosphoric Acid-Catalyzed Enantioselective Reductive Amination of 2-Pyridyl Ketones: Construction of Structurally Chiral Pyridine-Based Ligands. J Org Chem 2016; 81:11384-11388. [DOI: 10.1021/acs.joc.6b01772] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
| | - Shiwei Luo
- Department
of Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Maihemuti Mailikezati
- School
of Chemistry and Chemical Engineering, Xinjiang University, Urumqi 830046, China
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14
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Corte JR, Fang T, Pinto DJ, Orwat MJ, Rendina AR, Luettgen JM, Rossi KA, Wei A, Ramamurthy V, Myers JE, Sheriff S, Narayanan R, Harper TW, Zheng JJ, Li YX, Seiffert DA, Wexler RR, Quan ML. Orally bioavailable pyridine and pyrimidine-based Factor XIa inhibitors: Discovery of the methyl N-phenyl carbamate P2 prime group. Bioorg Med Chem 2016; 24:2257-72. [DOI: 10.1016/j.bmc.2016.03.062] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2016] [Revised: 03/23/2016] [Accepted: 03/30/2016] [Indexed: 12/12/2022]
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15
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A stereoselective synthesis of (S)-2-(((3-fluoro-4-methylphenoxy)carbonyl)(1-(4-((5-methyl-2-phenyloxazol-4-yl)methoxy)phenyl)ethyl)amino)acetic acid, a highly potent PPAR α/γ dual agonist. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.10.058] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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16
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Jordan S, Starks SA, Whatley MF, Turlington M. Highly Stereoselective Synthesis of Terminal Chloro-Substituted Propargylamines and Further Functionalization. Org Lett 2015; 17:4842-5. [DOI: 10.1021/acs.orglett.5b02408] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Savannah Jordan
- Department of Chemistry, Berry College, Mount Berry, Georgia 30149, United States
| | - Samuel A. Starks
- Department of Chemistry, Berry College, Mount Berry, Georgia 30149, United States
| | - Michael F. Whatley
- Department of Chemistry, Berry College, Mount Berry, Georgia 30149, United States
| | - Mark Turlington
- Department of Chemistry, Berry College, Mount Berry, Georgia 30149, United States
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17
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Degennaro L, Trinchera P, Luisi R. Recent advances in the stereoselective synthesis of aziridines. Chem Rev 2014; 114:7881-929. [PMID: 24823261 DOI: 10.1021/cr400553c] [Citation(s) in RCA: 335] [Impact Index Per Article: 33.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Leonardo Degennaro
- Department of Pharmacy-Drug Sciences, University of Bari "A. Moro" , Via Edoardo Orabona 4, Bari 70125, Italy
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18
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Wang XN, Hsung RP, Fox SK, Lv MC, Qi R. SYNTHESIS OF DE NOVO CHIRAL γ-AMINO-YNAMIDES USING LITHIATED YNAMIDES. OBSERVATION OF A UNIQUE 5- ENDO-DIG CYCLIZATION WITH AN INVERSION OF S-CENTER. HETEROCYCLES 2014; 88:1233-1254. [PMID: 24791059 PMCID: PMC4002055 DOI: 10.3987/com-13-s(s)88] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
We describe herein details of our efforts in developing a highly stereoselective synthesis of de novo chiral γ-amino-ynamides through additions of lithiated ynamides to Ellman-Davis chiral N-tert-butanesulfinyl imines. While additions of ynamides could be highly stereoselective even without Lewis acids, the use of BF3-OEt2 completely reversed the stereoselectivity. On the other hand, additions of oxazolidinone-substituted, oxazinanone-substituted and tetrahydropyrimidinone-substituted ynamides behaved quite differently and functioned better with BF3-OEt2. The chirality of the oxazolidinone ring exerts no impact on the selectivity. This work also features a unique 5-endo-dig cyclization of oxazolidinone-substituted γ-amino-ynamides that could be promoted with acid, leading to isothiazoles and 2,3-dihydro-isothiazole S-oxides.
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19
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Prasad KR, Revu O. 2-Pyridylsulfinamides as effective catalysts in the asymmetric alkylation of aldehydes with diethylzinc. Tetrahedron 2013. [DOI: 10.1016/j.tet.2013.07.061] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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20
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Wang XN, Hsung RP, Qi R, Fox SK, Lv MC. A highly stereoselective addition of lithiated ynamides to Ellman-Davis chiral N-tert-butanesulfinyl imines. Org Lett 2013; 15:2514-7. [PMID: 23646900 DOI: 10.1021/ol400989x] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
A highly diastereoselective addition of lithiated ynamides to Ellman-Davis chiral imines is described. While additions of N-sulfonyl ynamides are highly stereoselective even without Lewis acids, the use of BF3-OEt2 completely reversed the stereoselectivity. In addition, oxazolidinone-substituted ynamides behaved differently and functioned better with BF3-OEt2, and the chirality of the oxazolidinone ring exerts no impact on the selectivity.
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Affiliation(s)
- Xiao-Na Wang
- Division of Pharmaceutical Sciences and Department of Chemistry, University of Wisconsin , Madison, Wisconsin 53705, United States
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21
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Yang XD, Dong CM, Chen J, Ding YH, Liu Q, Ma XY, Zhang Q, Chen Y. Total Synthesis of Tubulysin U and Its C-4 Epimer. Chem Asian J 2013; 8:1213-22. [DOI: 10.1002/asia.201300051] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2013] [Revised: 02/27/2013] [Indexed: 11/07/2022]
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22
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Bian J, Blakemore D, Warmus JS, Sun J, Corbett M, Rose CR, Bechle BM. Diastereoselective Synthesis of β-Heteroaryl syn-α-Methyl-β-Amino Acid Derivatives via a Double Chiral Auxiliary Approach. Org Lett 2013; 15:562-5. [DOI: 10.1021/ol3033785] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jianwei Bian
- Neusentis Chemistry, Pfizer Worldwide Research and Development, Eastern Point Road, Groton, Connecticut 06340, United States, and The Portway Building, Granta Park, Cambridge, CB21 6GS, U.K
| | - David Blakemore
- Neusentis Chemistry, Pfizer Worldwide Research and Development, Eastern Point Road, Groton, Connecticut 06340, United States, and The Portway Building, Granta Park, Cambridge, CB21 6GS, U.K
| | - Joseph S. Warmus
- Neusentis Chemistry, Pfizer Worldwide Research and Development, Eastern Point Road, Groton, Connecticut 06340, United States, and The Portway Building, Granta Park, Cambridge, CB21 6GS, U.K
| | - Jianmin Sun
- Neusentis Chemistry, Pfizer Worldwide Research and Development, Eastern Point Road, Groton, Connecticut 06340, United States, and The Portway Building, Granta Park, Cambridge, CB21 6GS, U.K
| | - Matthew Corbett
- Neusentis Chemistry, Pfizer Worldwide Research and Development, Eastern Point Road, Groton, Connecticut 06340, United States, and The Portway Building, Granta Park, Cambridge, CB21 6GS, U.K
| | - Colin R. Rose
- Neusentis Chemistry, Pfizer Worldwide Research and Development, Eastern Point Road, Groton, Connecticut 06340, United States, and The Portway Building, Granta Park, Cambridge, CB21 6GS, U.K
| | - Bruce M. Bechle
- Neusentis Chemistry, Pfizer Worldwide Research and Development, Eastern Point Road, Groton, Connecticut 06340, United States, and The Portway Building, Granta Park, Cambridge, CB21 6GS, U.K
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23
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Araoz R, Servent D, Molgó J, Iorga BI, Fruchart-Gaillard C, Benoit E, Gu Z, Stivala C, Zakarian A. Total synthesis of pinnatoxins A and G and revision of the mode of action of pinnatoxin A. J Am Chem Soc 2011; 133:10499-511. [PMID: 21644584 PMCID: PMC3365589 DOI: 10.1021/ja201254c] [Citation(s) in RCA: 102] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Pinnatoxins belong to an emerging class of potent marine toxins of the cyclic imine group. Detailed studies of their biological effects have been impeded by unavailability of the complex natural product from natural sources. This work describes the development of a robust, scalable synthetic sequence relying on a convergent strategy that delivered a sufficient amount of the toxin for detailed biological studies and its commercialization for use by other research groups and regulatory agencies. A central transformation in the synthesis is the highly diastereoselective Ireland-Claisen rearrangement of a complex α,α-disubstituted allylic ester based on a unique mode for stereoselective enolization through a chirality match between the substrate and the lithium amide base. With synthetic pinnatoxin A, a detailed study has been performed that provides conclusive evidence for its mode of action as a potent inhibitor of nicotinic acetylcholine receptors selective for the human neuronal α7 subtype. The comprehensive electrophysiological, biochemical, and computational studies support the view that the spiroimine subunit of pinnatoxins is critical for blocking nicotinic acetylcholine receptor subtypes, as evidenced by analyzing the effect of a synthetic analogue of pinnatoxin A containing an open form of the imine ring. Our studies have paved the way for the production of certified standards to be used for mass-spectrometric determination of these toxins in marine matrices and for the development of tests to detect these toxins in contaminated shellfish.
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Affiliation(s)
- Romulo Araoz
- Institut de Neurobiologie Alfred Fessard, FRC2118, Laboratoire de Neurobiologie et Développement, UPR-3294, Centre National de la Recherche Scientifique, F-91198 Gif-sur-Yvette cedex, France
| | - Denis Servent
- Service d'Ingénierie Moléculaire des Protéines, Laboratoire de Toxinologie Moléculaire et Biotechnologies, Commissariat à l'Energie Atomique, F-91191 Gif-sur-Yvette, France
| | - Jordi Molgó
- Institut de Neurobiologie Alfred Fessard, FRC2118, Laboratoire de Neurobiologie et Développement, UPR-3294, Centre National de la Recherche Scientifique, F-91198 Gif-sur-Yvette cedex, France
| | - Bogdan I. Iorga
- Institut de Chimie des Substances Naturelles, UPR 2301, Centre National de la Recherche Scientifique, F-91198 Gif-sur-Yvette cedex, France
| | - Carole Fruchart-Gaillard
- Service d'Ingénierie Moléculaire des Protéines, Laboratoire de Toxinologie Moléculaire et Biotechnologies, Commissariat à l'Energie Atomique, F-91191 Gif-sur-Yvette, France
| | - Evelyne Benoit
- Institut de Neurobiologie Alfred Fessard, FRC2118, Laboratoire de Neurobiologie et Développement, UPR-3294, Centre National de la Recherche Scientifique, F-91198 Gif-sur-Yvette cedex, France
| | - Zhenhua Gu
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, California 93106-9510, United States
| | - Craig Stivala
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, California 93106-9510, United States
| | - Armen Zakarian
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, California 93106-9510, United States
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24
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Ilardi EA, Zakarian A. Efficient total synthesis of dysidenin, dysidin, and barbamide. Chem Asian J 2011; 6:2260-3. [PMID: 21698777 DOI: 10.1002/asia.201100338] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2011] [Indexed: 11/11/2022]
Affiliation(s)
- Elizabeth A Ilardi
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106-9510, USA
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25
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Robak MT, Herbage MA, Ellman JA. Synthesis and applications of tert-butanesulfinamide. Chem Rev 2010; 110:3600-740. [PMID: 20420386 DOI: 10.1021/cr900382t] [Citation(s) in RCA: 908] [Impact Index Per Article: 64.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- MaryAnn T Robak
- Department of Chemistry, University of California, Berkeley, California 94720, USA
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26
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Chen BL, Wang B, Lin GQ. Highly diastereoselective addition of alkynylmagnesium chlorides to N-tert-butanesulfinyl aldimines: a practical and general access to chiral alpha-branched amines. J Org Chem 2010; 75:941-4. [PMID: 20041724 DOI: 10.1021/jo902424m] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The addition of alkynylmagnesium chlorides to N-tert-butanesulfinyl imines proceeded with a remarkably high diastereoselectivity (dr > 13:1, mostly diastereopure), and with a general scope of both reaction partners. The high dr translated into simplified purification and higher optical purity for the synthesis of a wide array of chiral alpha-branched amines. The alkyne functionality also provides a multitude of opportunities for further synthetic transformations. The short asymmetric synthesis of (+)-angustureine 7 and (-)-cuspareine 10 was realized with use of this approach.
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Affiliation(s)
- Bai-Ling Chen
- Department of Chemistry, Fudan University, 220 Handan Road, Shanghai 200433, China
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27
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Colpaert F, Mangelinckx S, Leemans E, Denolf B, De Kimpe N. Asymmetric synthesis of new chiral N-sulfinyl 2,2-disubstituted aziridines by Grignard additions across α-chloro N-sulfinyl ketimines. Org Biomol Chem 2010; 8:3251-8. [DOI: 10.1039/c001471k] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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28
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Lesma G, Landoni N, Pilati T, Sacchetti A, Silvani A. Grignard Addition to Imines Derived from Isatine: A Method for the Asymmetric Synthesis of Quaternary 3-Aminooxindoles. J Org Chem 2009; 74:4537-41. [DOI: 10.1021/jo900623c] [Citation(s) in RCA: 86] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Giordano Lesma
- Dipartimento di Chimica Organica e Industriale, Università degli Studi di Milano, via G. Venezian 21, 20133 Milano, Italy, Istituto di Scienze e Tecnologie Molecolari - CNR, Via Golgi 19, 20133 Milano, Italy, and Politecnico di Milano, Dipartimento di Chimica, Materiali ed Ingegneria Chimica “Giulio Natta”, via Mancinelli 7, 20131 Milano, Italy
| | - Nicola Landoni
- Dipartimento di Chimica Organica e Industriale, Università degli Studi di Milano, via G. Venezian 21, 20133 Milano, Italy, Istituto di Scienze e Tecnologie Molecolari - CNR, Via Golgi 19, 20133 Milano, Italy, and Politecnico di Milano, Dipartimento di Chimica, Materiali ed Ingegneria Chimica “Giulio Natta”, via Mancinelli 7, 20131 Milano, Italy
| | - Tullio Pilati
- Dipartimento di Chimica Organica e Industriale, Università degli Studi di Milano, via G. Venezian 21, 20133 Milano, Italy, Istituto di Scienze e Tecnologie Molecolari - CNR, Via Golgi 19, 20133 Milano, Italy, and Politecnico di Milano, Dipartimento di Chimica, Materiali ed Ingegneria Chimica “Giulio Natta”, via Mancinelli 7, 20131 Milano, Italy
| | - Alessandro Sacchetti
- Dipartimento di Chimica Organica e Industriale, Università degli Studi di Milano, via G. Venezian 21, 20133 Milano, Italy, Istituto di Scienze e Tecnologie Molecolari - CNR, Via Golgi 19, 20133 Milano, Italy, and Politecnico di Milano, Dipartimento di Chimica, Materiali ed Ingegneria Chimica “Giulio Natta”, via Mancinelli 7, 20131 Milano, Italy
| | - Alessandra Silvani
- Dipartimento di Chimica Organica e Industriale, Università degli Studi di Milano, via G. Venezian 21, 20133 Milano, Italy, Istituto di Scienze e Tecnologie Molecolari - CNR, Via Golgi 19, 20133 Milano, Italy, and Politecnico di Milano, Dipartimento di Chimica, Materiali ed Ingegneria Chimica “Giulio Natta”, via Mancinelli 7, 20131 Milano, Italy
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29
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Clayden J, Hennecke U. Alpha-pyridylation of chiral amines via urea coupling, lithiation and rearrangement. Org Lett 2008; 10:3567-70. [PMID: 18642922 DOI: 10.1021/ol801332n] [Citation(s) in RCA: 88] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
2-, 3- and 4-Bromopyridine, along with other brominated electron-deficient arenes, undergo palladium-catalyzed coupling with ureas of structure RNMeCONHMe. Where R is a chiral, alpha-substituted benzyl group, treatment with LDA leads to a benzylic organolithium which undergoes rearrangement with stereospecific and regiospecific transfer of the pyridyl group, generating a quaternary stereogenic center with high enantioselectivity. Alcoholysis of the urea under neutral conditions reveals the pyridyl amine.
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Affiliation(s)
- Jonathan Clayden
- School of Chemistry, Univesity of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom.
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30
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Sun XW, Liu M, Xu MH, Lin GQ. Remarkable Salt Effect on In-Mediated Allylation of N-tert-Butanesulfinyl Imines in Aqueous Media: Highly Practical Asymmetric Synthesis of Chiral Homoallylic Amines and Isoindolinones. Org Lett 2008; 10:1259-62. [DOI: 10.1021/ol8001514] [Citation(s) in RCA: 131] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Xing-Wen Sun
- Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 354 Fenglin Road, Shanghai 200032, China, and Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China
| | - Min Liu
- Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 354 Fenglin Road, Shanghai 200032, China, and Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China
| | - Ming-Hua Xu
- Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 354 Fenglin Road, Shanghai 200032, China, and Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China
| | - Guo-Qiang Lin
- Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 354 Fenglin Road, Shanghai 200032, China, and Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, China
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31
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Kuduk SD, DiPardo RM, Chang RK, Di Marco CN, Murphy KL, Ransom RW, Reiss DR, Tang C, Prueksaritanont T, Pettibone DJ, Bock MG. Bradykinin B1 antagonists: Biphenyl SAR studies in the cyclopropanecarboxamide series. Bioorg Med Chem Lett 2007; 17:3608-12. [DOI: 10.1016/j.bmcl.2007.04.040] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2007] [Revised: 04/16/2007] [Accepted: 04/17/2007] [Indexed: 01/16/2023]
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32
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Colyer JT, Andersen NG, Tedrow JS, Soukup TS, Faul MM. Reversal of diastereofacial selectivity in hydride reductions of N-tert-butanesulfinyl imines. J Org Chem 2007; 71:6859-62. [PMID: 16930038 DOI: 10.1021/jo0609834] [Citation(s) in RCA: 97] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A variety of N-tert-butanesulfinyl imines were reduced with NaBH4 in THF containing 2% water to provide the corresponding secondary sulfinamides in high yield and diastereoselectivity. By using the same sulfinyl imine starting materials and changing the reductant to L-Selectride, the stereoselectivity could be efficiently reversed to afford the opposite product diastereomer in high yield and selectivity.
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Affiliation(s)
- John T Colyer
- Chemistry Process Research and Development, Amgen Inc., Thousand Oaks, CA 91320-1799, USA
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33
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Turcaud S, Sierecki E, Martens T, Royer J. Asymmetric alpha-alkynylation of piperidine via N-sulfinyliminium salts. J Org Chem 2007; 72:4882-5. [PMID: 17523673 DOI: 10.1021/jo070631c] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Piperidine was stereoselectively alpha-alkynylated in a four-step sequence made up of transformation to a chiral nonracemic N-sulfinylpiperidine, anodic oxidation to N-sulfinyliminium ion equivalent, alkynylation through addition of a mixed organoaluminum derivative, and final acidic deprotection of the sulfoxide. Overall yields are around 50%, and the diastereoselectivity of the nucleophilc addition was between 92 and 99% de, allowing isolation of the final product with 99% enantiomeric purity.
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Affiliation(s)
- Serge Turcaud
- Synthèse et Structure de Molécules d'Intérêt Pharmacologique, UMR 8638 CNRS-Université Paris 5, 75270 Paris cedex 6, France
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34
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Denolf B, Leemans E, De Kimpe N. Asymmetric Synthesis of Aziridines by Reduction ofN-tert-Butanesulfinyl α-Chloro Imines. J Org Chem 2007; 72:3211-7. [PMID: 17397222 DOI: 10.1021/jo0624795] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Reduction of (RS)-N-tert-butanesulfinyl alpha-halo imines afforded chiral aziridines in good to excellent yields. Upon reduction of (RS)-N-tert-butanesulfinyl alpha-halo imines with NaBH4 in THF, in the presence of 10 equiv of MeOH, (RS,S)-beta-halo sulfinamides were formed in excellent yield (up to 98%) with very good stereoselectivity (>98:2). Simple treatment of the latter (RS,S)-beta-halo-tert-butanesulfinamides with KOH afforded the corresponding (RS,S)-N-(tert-butylsulfinyl)aziridines in quantitative yields. On the contrary, its epimer, (RS,R)-N-(tert-butylsulfinyl)aziridine was synthesized by switchover of the reducing agent from NaBH4 to LiBHEt3. (RS,R)-N-(tert-Butylsulfinyl)aziridines were synthesized in good yields (up to 85%) and diastereoselectivity (up to 92:8) by reduction of (RS)-N-tert-butanesulfinyl alpha-halo imines with LiBHEt3 in dry THF and subsequent treatment with KOH. All chiral aziridines were obtained as a single diastereomer after recrystallization (overall yield up to 91%) or after flash chromatography.
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Affiliation(s)
- Bram Denolf
- Department of Organic Chemistry, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium
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35
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Denolf B, Mangelinckx S, Törnroos KW, De Kimpe N. Asymmetric Synthesis of Cyclopropylamines Starting from N-Sulfinyl α-Chloro Ketimines. Org Lett 2007; 9:187-90. [PMID: 17217261 DOI: 10.1021/ol0622054] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Treatment of novel chiral N-sulfinyl alpha-chloro ketimines with Grignard reagents resulted in the synthesis of chiral N-(1-substituted cyclopropyl)-tert-butanesulfinamides in acceptable to good yields and diastereoselectivity via 1,3-dehydrohalogenation and subsequent addition of the Grignard reagent to the intermediate cyclopropylideneamine. Only in the case of allylmagnesium chloride did the reaction lead to aziridines in high yield. Further deprotection toward N-unprotected 1-substituted cyclopropylamines was established, and the absolute configuration was determined. [reaction: see text].
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Affiliation(s)
- Bram Denolf
- Department of Organic Chemistry, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium
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36
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Denolf B, Mangelinckx S, Törnroos KW, De Kimpe N. Use of α-Chlorinated N-(tert-Butanesulfinyl)imines in the Synthesis of Chiral Aziridines. Org Lett 2006; 8:3129-32. [PMID: 16805569 DOI: 10.1021/ol0611245] [Citation(s) in RCA: 70] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
[reaction: see text] Reaction of chiral alpha-chloro tert-butanesulfinyl aldimines with Grignard reagents efficiently afforded beta-chloro N-sulfinamides in high diastereomeric excess. The latter compounds were cyclized toward the corresponding chiral aziridines in a high-yielding one-pot reaction or after separate treatment with base. The diastereoselectivity obtained in the newly synthesized beta-chloro sulfinamides is explained via the coordinating ability of the alpha-chloro atom with magnesium resulting in the opposite stereochemical outcome as generally observed for nonfunctionalized N-sulfinyl imines.
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Affiliation(s)
- Bram Denolf
- Department of Organic Chemistry, Faculty of Bioscience Engineering, Ghent University, Belgium
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37
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Asymmetric addition reactions of Grignard reagents to chiral 2-trifluoromethyl tert-butyl (Ellman) sulfinimine–ethanol adducts. Tetrahedron Lett 2006. [DOI: 10.1016/j.tetlet.2006.01.154] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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38
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McMahon JP, Ellman JA. Asymmetric Conjugate Addition of Copper Reagents to α,β-Unsaturated tert-Butanesulfinyl Imines. Org Lett 2005; 7:5393-6. [PMID: 16288514 DOI: 10.1021/ol051986q] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
[reaction: see text] Addition of organocuprates to N-sulfinyl alpha,beta-unsaturated imines proceeds in good yields and with good diastereoselectivities. alpha,beta-Unsaturated sulfinyl ketimines and aldimines have both been shown to be suitable substrates for this reaction.
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Affiliation(s)
- Jeffrey P McMahon
- Center for New Directions in Organic Synthesis, Department of Chemistry, University of California, Berkeley, California 94720, USA
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39
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40
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Weix DJ, Shi Y, Ellman JA. Diastereoselective and enantioselective Rh(I)-catalyzed additions of arylboronic acids to N-tert-butanesulfinyl and N-diphenylphosphinoyl aldimines. J Am Chem Soc 2005; 127:1092-3. [PMID: 15669835 DOI: 10.1021/ja044003d] [Citation(s) in RCA: 180] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Two new Rh(I)-catalyzed methods for the synthesis of chiral alpha-branched amines via addition of arylboronic acids to N-tert-butanesulfinyl and N-diphenylphosphinoyl imines have been developed. The syntheses are more functional group tolerant than alternative methods utilizing Grignard or organolithium reagents, and the imine activating groups used are easily removed. These methods are both high-yielding (70-97% yield) and very selective (>93:7 dr and 88-94% ee). Significantly, the N-tert-butanesulfinyl imine method works for aliphatic imines with enolizable protons. In addition, a one-pot procedure for the synthesis of N-tert-butanesulfinyl protected alpha-branched amines from aldehydes has been developed.
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Affiliation(s)
- Daniel J Weix
- Center for New Directions in Organic Synthesis, Department of Chemistry, University of California, Berkeley, California 94720, USA
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