L-Proline, 4-(aminocarbonyl)-1-[3-bromo-4-(1,1-dimethylethyl)benzoyl]-2-(2-methyl propyl)-5-(2-thiazolyl)-, 1,1-dimethylethyl ester, (4S,5R)-

Base Information

Chemical Name:L-Proline, 4-(aminocarbonyl)-1-[3-bromo-4-(1,1-dimethylethyl)benzoyl]-2-(2-methyl propyl)-5-(2-thiazolyl)-, 1,1-dimethylethyl ester, (4S,5R)-
CAS No.:927436-29-1
Molecular Formula:C28H38BrN3O4S
Molecular Weight:592.597
Hs Code.:

Synonyms:

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Chemical Property of L-Proline, 4-(aminocarbonyl)-1-[3-bromo-4-(1,1-dimethylethyl)benzoyl]-2-(2-methyl propyl)-5-(2-thiazolyl)-, 1,1-dimethylethyl ester, (4S,5R)-

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Technology Process of L-Proline, 4-(aminocarbonyl)-1-[3-bromo-4-(1,1-dimethylethyl)benzoyl]-2-(2-methyl propyl)-5-(2-thiazolyl)-, 1,1-dimethylethyl ester, (4S,5R)-

There total 4 articles about L-Proline, 4-(aminocarbonyl)-1-[3-bromo-4-(1,1-dimethylethyl)benzoyl]-2-(2-methyl propyl)-5-(2-thiazolyl)-, 1,1-dimethylethyl ester, (4S,5R)- 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: 29.0%

: 927436-23-5
(2S,4S,5R)-4-(aminocarbonyl)-2-isobutyl-5-(1,3-thiazol-2-yl)pyrrolidine-2-carboxylic acid tert-butyl ester

: 521955-78-2
3-bromo-4-tert-butylbenzoyl chloride

: 927436-29-1
(2S,4S,5R)-4-(aminocarbonyl)-1-(3-bromo-4-tert-butylbenzoyl)-2-isobutyl-5-(1,3-thiazol-2-yl)-pyrrolidine-2-carboxylic acid tert-butyl ester

Guidance literature:: With triethylamine; In dichloromethane; for 16h; Heating;
DOI:10.1021/jm061207r

Reference yield:

: 521955-41-9
2-[N-(1,3-thiazol-2-ylmethylene)amino]-4-methylpentanoic acid tert-butyl ester

: 927436-29-1
(2S,4S,5R)-4-(aminocarbonyl)-1-(3-bromo-4-tert-butylbenzoyl)-2-isobutyl-5-(1,3-thiazol-2-yl)-pyrrolidine-2-carboxylic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: 91 percent / lithium bromide; triethylamine / tetrahydrofuran / 21 h / 20 °C

2: 432 mg / (-)-di-O,O'-p-tolyl-L-tartaric acid / CH₂Cl₂ / 20 °C

3: 29 percent / triethylamine / CH₂Cl₂ / 16 h / Heating

With (-)-di-O,O'-p-tolyl-L-tartaric acid; triethylamine; lithium bromide; In tetrahydrofuran; dichloromethane;
DOI:10.1021/jm061207r

Reference yield:

: rac-(2S,4S,5R)-4-(aminocarbonyl)-2-isobutyl-5-(1,3-thiazol-2-yl)pyrrolidine-2-carboxylic acid tert-butyl ester

: 927436-29-1
(2S,4S,5R)-4-(aminocarbonyl)-1-(3-bromo-4-tert-butylbenzoyl)-2-isobutyl-5-(1,3-thiazol-2-yl)-pyrrolidine-2-carboxylic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 432 mg / (-)-di-O,O'-p-tolyl-L-tartaric acid / CH₂Cl₂ / 20 °C

2: 29 percent / triethylamine / CH₂Cl₂ / 16 h / Heating

With (-)-di-O,O'-p-tolyl-L-tartaric acid; triethylamine; In dichloromethane;
DOI:10.1021/jm061207r