(2S,5R)-1-[2-((S)-2-Acetylsulfanyl-3-phenyl-propionylamino)-acetyl]-5-m-tolyl-pyrrolidine-2-carboxylic acid ethyl ester

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Chemical Name:(2S,5R)-1-[2-((S)-2-Acetylsulfanyl-3-phenyl-propionylamino)-acetyl]-5-m-tolyl-pyrrolidine-2-carboxylic acid ethyl ester
CAS No.:177742-03-9
Molecular Formula:C₂₇H₃₂N₂O₅S
Molecular Weight:496.627
Hs Code.:

Synonyms:(2S,5R)-1-[2-((S)-2-Acetylsulfanyl-3-phenyl-propionylamino)-acetyl]-5-m-tolyl-pyrrolidine-2-carboxylic acid ethyl ester

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Chemical Property of (2S,5R)-1-[2-((S)-2-Acetylsulfanyl-3-phenyl-propionylamino)-acetyl]-5-m-tolyl-pyrrolidine-2-carboxylic acid ethyl ester

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Technology Process of (2S,5R)-1-[2-((S)-2-Acetylsulfanyl-3-phenyl-propionylamino)-acetyl]-5-m-tolyl-pyrrolidine-2-carboxylic acid ethyl ester

There total 8 articles about (2S,5R)-1-[2-((S)-2-Acetylsulfanyl-3-phenyl-propionylamino)-acetyl]-5-m-tolyl-pyrrolidine-2-carboxylic acid ethyl ester which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 71.0%

: 76932-17-7
(S)-2-acetylthio-3-phenylpropanoic acid

: (2S,5R)-1-(2-Amino-acetyl)-5-m-tolyl-pyrrolidine-2-carboxylic acid ethyl ester; hydrochloride

: 177742-03-9
(2S,5R)-1-[2-((S)-2-Acetylsulfanyl-3-phenyl-propionylamino)-acetyl]-5-m-tolyl-pyrrolidine-2-carboxylic acid ethyl ester

Guidance literature:: With benzotriazol-1-ol; triethylamine; In tetrahydrofuran; chloroform; a) 0 deg C, 1 h, b) RT, overnight;
DOI:10.1021/jm950783c

Reference yield:

: 144978-35-8,144978-12-1,251924-83-1
(S)-ethyl N-tert-butoxycarbonylpyroglutamate

: 177742-03-9
(2S,5R)-1-[2-((S)-2-Acetylsulfanyl-3-phenyl-propionylamino)-acetyl]-5-m-tolyl-pyrrolidine-2-carboxylic acid ethyl ester

Guidance literature:: Multi-step reaction with 6 steps

1: 40 percent / tetrahydrofuran / a) -40 deg C, 1 h, b) 0 deg C, 1 h

2: 93 percent / TFA / CH₂Cl₂ / 2 h / 0 °C

3: 96 percent / H₂ / PtO₂ / ethanol / 22501.8 Torr / Ambient temperature

4: 1.) cyanuric chloride, Et₃N / 1.) acetone, RT, 3 h, 2.) CH₂Cl₂, RT, overnight

5: H₂, HCl / 10percent Pd/C / ethanol

6: 71 percent / Et₃N, HOBt / tetrahydrofuran; CHCl₃ / a) 0 deg C, 1 h, b) RT, overnight

With hydrogenchloride; 1,3,5-trichloro-2,4,6-triazine; hydrogen; benzotriazol-1-ol; triethylamine; trifluoroacetic acid; platinum(IV) oxide; palladium on activated charcoal; In tetrahydrofuran; ethanol; dichloromethane; chloroform;
DOI:10.1021/jm950783c

Reference yield:

: 28987-79-3
m-tolylmagnesium bromide

: 177742-03-9
(2S,5R)-1-[2-((S)-2-Acetylsulfanyl-3-phenyl-propionylamino)-acetyl]-5-m-tolyl-pyrrolidine-2-carboxylic acid ethyl ester

Guidance literature:: Multi-step reaction with 6 steps

1: 40 percent / tetrahydrofuran / a) -40 deg C, 1 h, b) 0 deg C, 1 h

2: 93 percent / TFA / CH₂Cl₂ / 2 h / 0 °C

3: 96 percent / H₂ / PtO₂ / ethanol / 22501.8 Torr / Ambient temperature

4: 1.) cyanuric chloride, Et₃N / 1.) acetone, RT, 3 h, 2.) CH₂Cl₂, RT, overnight

5: H₂, HCl / 10percent Pd/C / ethanol

6: 71 percent / Et₃N, HOBt / tetrahydrofuran; CHCl₃ / a) 0 deg C, 1 h, b) RT, overnight

With hydrogenchloride; 1,3,5-trichloro-2,4,6-triazine; hydrogen; benzotriazol-1-ol; triethylamine; trifluoroacetic acid; platinum(IV) oxide; palladium on activated charcoal; In tetrahydrofuran; ethanol; dichloromethane; chloroform;
DOI:10.1021/jm950783c