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Aitken RA, Lightfoot P, Thomas AW. Synthesis, structure and reactivity of some chiral benzylthio alcohols, 1,3-oxathiolanes and their S-oxides. J Sulphur Chem 2020. [DOI: 10.1080/17415993.2020.1754418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- R. Alan Aitken
- EaStCHEM School of Chemistry, University of St Andrews, St Andrews, UK
| | - Philip Lightfoot
- EaStCHEM School of Chemistry, University of St Andrews, St Andrews, UK
| | - Andrew W. Thomas
- EaStCHEM School of Chemistry, University of St Andrews, St Andrews, UK
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2
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Samuels ER, Sevrioukova I. Direct Synthesis of α-Thio Aromatic Acids from Aromatic Amino Acids. Tetrahedron Lett 2018; 59:1140-1142. [PMID: 30140110 PMCID: PMC6101259 DOI: 10.1016/j.tetlet.2018.02.030] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Modified amino acids are useful synthetic components in both chemistry and biology. Here we describe a simple, scalable two-step procedure to generate α-thio aromatic acids from aromatic amino acids with yields of up to 96%. Diazotization and α-lactone mediated bromination efficiently form the α-bromo acid with retention of configuration. Thiol substitution with mild reagents such as sodium hydrosulfide or sodium trithiocarbonate provides the inverted, free α-thio acid. The mildly acidic soft nucleophile can then be utilized in many synthetic applications.
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Affiliation(s)
- Eric R Samuels
- Department of Pharmaceutical Sciences, University of California, Irvine, California 92697-3900
| | - Irina Sevrioukova
- Department of Molecular Biology and Biochemistry, University of California, Irvine, California 92697-3900
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3
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West TH, Spoehrle SSM, Kasten K, Taylor JE, Smith AD. Catalytic Stereoselective [2,3]-Rearrangement Reactions. ACS Catal 2015. [DOI: 10.1021/acscatal.5b02070] [Citation(s) in RCA: 112] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Thomas H. West
- EaStCHEM,
School of Chemistry, University of St. Andrews, North Haugh, St. Andrews KY16 9ST, United Kingdom
| | - Stéphanie S. M. Spoehrle
- EaStCHEM,
School of Chemistry, University of St. Andrews, North Haugh, St. Andrews KY16 9ST, United Kingdom
| | - Kevin Kasten
- EaStCHEM,
School of Chemistry, University of St. Andrews, North Haugh, St. Andrews KY16 9ST, United Kingdom
| | - James E. Taylor
- EaStCHEM,
School of Chemistry, University of St. Andrews, North Haugh, St. Andrews KY16 9ST, United Kingdom
| | - Andrew D. Smith
- EaStCHEM,
School of Chemistry, University of St. Andrews, North Haugh, St. Andrews KY16 9ST, United Kingdom
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9
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Giles ME, Thomson C, Eyley SC, Cole AJ, Goodwin CJ, Hurved PA, Morlin AJG, Tornos J, Atkinson S, Just C, Dean JC, Singleton JT, Longton AJ, Woodland I, Teasdale A, Gregertsen B, Else H, Athwal MS, Tatterton S, Knott JM, Thompson N, Smith SJ. Development of a Manufacturing Process for Sibenadet Hydrochloride, the Active Ingredient of Viozan. Org Process Res Dev 2004. [DOI: 10.1021/op049953y] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Melvyn E. Giles
- AstraZeneca R & D Charnwood, Process R & D, Bakewell Road, Loughborough, Leicestershire LE11 5RH, United Kingdom
| | - Colin Thomson
- AstraZeneca R & D Charnwood, Process R & D, Bakewell Road, Loughborough, Leicestershire LE11 5RH, United Kingdom
| | - Stephen C. Eyley
- AstraZeneca R & D Charnwood, Process R & D, Bakewell Road, Loughborough, Leicestershire LE11 5RH, United Kingdom
| | - Andrea J. Cole
- AstraZeneca R & D Charnwood, Process R & D, Bakewell Road, Loughborough, Leicestershire LE11 5RH, United Kingdom
| | - Christopher J. Goodwin
- AstraZeneca R & D Charnwood, Process R & D, Bakewell Road, Loughborough, Leicestershire LE11 5RH, United Kingdom
| | - Paul A. Hurved
- AstraZeneca R & D Charnwood, Process R & D, Bakewell Road, Loughborough, Leicestershire LE11 5RH, United Kingdom
| | - Andrew J. G. Morlin
- AstraZeneca R & D Charnwood, Process R & D, Bakewell Road, Loughborough, Leicestershire LE11 5RH, United Kingdom
| | - James Tornos
- AstraZeneca R & D Charnwood, Process R & D, Bakewell Road, Loughborough, Leicestershire LE11 5RH, United Kingdom
| | - Stéphanie Atkinson
- AstraZeneca R & D Charnwood, Process R & D, Bakewell Road, Loughborough, Leicestershire LE11 5RH, United Kingdom
| | - Cecelia Just
- AstraZeneca R & D Charnwood, Process R & D, Bakewell Road, Loughborough, Leicestershire LE11 5RH, United Kingdom
| | - Janet C. Dean
- AstraZeneca R & D Charnwood, Process R & D, Bakewell Road, Loughborough, Leicestershire LE11 5RH, United Kingdom
| | - John T. Singleton
- AstraZeneca R & D Charnwood, Process R & D, Bakewell Road, Loughborough, Leicestershire LE11 5RH, United Kingdom
| | - Andrew J. Longton
- AstraZeneca R & D Charnwood, Process R & D, Bakewell Road, Loughborough, Leicestershire LE11 5RH, United Kingdom
| | - Ian Woodland
- AstraZeneca R & D Charnwood, Process R & D, Bakewell Road, Loughborough, Leicestershire LE11 5RH, United Kingdom
| | - Andrew Teasdale
- AstraZeneca R & D Charnwood, Process R & D, Bakewell Road, Loughborough, Leicestershire LE11 5RH, United Kingdom
| | - Björn Gregertsen
- AstraZeneca R & D Charnwood, Process R & D, Bakewell Road, Loughborough, Leicestershire LE11 5RH, United Kingdom
| | - Howard Else
- AstraZeneca R & D Charnwood, Process R & D, Bakewell Road, Loughborough, Leicestershire LE11 5RH, United Kingdom
| | - Mandip S. Athwal
- AstraZeneca R & D Charnwood, Process R & D, Bakewell Road, Loughborough, Leicestershire LE11 5RH, United Kingdom
| | - Stephen Tatterton
- AstraZeneca R & D Charnwood, Process R & D, Bakewell Road, Loughborough, Leicestershire LE11 5RH, United Kingdom
| | - Jason M. Knott
- AstraZeneca R & D Charnwood, Process R & D, Bakewell Road, Loughborough, Leicestershire LE11 5RH, United Kingdom
| | - Nicola Thompson
- AstraZeneca R & D Charnwood, Process R & D, Bakewell Road, Loughborough, Leicestershire LE11 5RH, United Kingdom
| | - Stephen J. Smith
- AstraZeneca R & D Charnwood, Process R & D, Bakewell Road, Loughborough, Leicestershire LE11 5RH, United Kingdom
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