(S)-2-[(R)-2-(2-{(S)-1-[(S)-2-((S)-2-Benzyloxycarbonylamino-3-methyl-butyrylamino)-3-methyl-butyryl]-pyrrolidin-2-yl}-2-oxo-acetylamino)-4-methyl-pentanoylamino]-3-methyl-butyric acid benzyl ester

Base Information

Chemical Name:(S)-2-[(R)-2-(2-{(S)-1-[(S)-2-((S)-2-Benzyloxycarbonylamino-3-methyl-butyrylamino)-3-methyl-butyryl]-pyrrolidin-2-yl}-2-oxo-acetylamino)-4-methyl-pentanoylamino]-3-methyl-butyric acid benzyl ester
CAS No.:182967-35-7
Molecular Formula:C₄₂H₅₉N₅O₉
Molecular Weight:777.959
Hs Code.:

(S)-2-[(R)-2-(2-{(S)-1-[(S)-2-((S)-2-Benzyloxycarbonylamino-3-methyl-butyrylamino)-3-methyl-butyryl]-pyrrolidin-2-yl}-2-oxo-acetylamino)-4-methyl-pentanoylamino]-3-methyl-butyric acid benzyl ester

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Chemical Property of (S)-2-[(R)-2-(2-{(S)-1-[(S)-2-((S)-2-Benzyloxycarbonylamino-3-methyl-butyrylamino)-3-methyl-butyryl]-pyrrolidin-2-yl}-2-oxo-acetylamino)-4-methyl-pentanoylamino]-3-methyl-butyric acid benzyl ester

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Technology Process of (S)-2-[(R)-2-(2-{(S)-1-[(S)-2-((S)-2-Benzyloxycarbonylamino-3-methyl-butyrylamino)-3-methyl-butyryl]-pyrrolidin-2-yl}-2-oxo-acetylamino)-4-methyl-pentanoylamino]-3-methyl-butyric acid benzyl ester

There total 11 articles about (S)-2-[(R)-2-(2-{(S)-1-[(S)-2-((S)-2-Benzyloxycarbonylamino-3-methyl-butyrylamino)-3-methyl-butyryl]-pyrrolidin-2-yl}-2-oxo-acetylamino)-4-methyl-pentanoylamino]-3-methyl-butyric acid benzyl 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: 52.0%

: (S)-2-[(R)-2-(2-{(S)-1-[(S)-2-((S)-2-Benzyloxycarbonylamino-3-methyl-butyrylamino)-3-methyl-butyryl]-pyrrolidin-2-yl}-2-hydroxy-acetylamino)-4-methyl-pentanoylamino]-3-methyl-butyric acid benzyl ester

: 182967-35-7
(S)-2-[(R)-2-(2-{(S)-1-[(S)-2-((S)-2-Benzyloxycarbonylamino-3-methyl-butyrylamino)-3-methyl-butyryl]-pyrrolidin-2-yl}-2-oxo-acetylamino)-4-methyl-pentanoylamino]-3-methyl-butyric acid benzyl ester

Guidance literature:: With pyridinium trifluroacetate; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; In dimethyl sulfoxide; for 23h; Ambient temperature;
DOI:10.7164/antibiotics.49.900

Reference yield:

: 13734-41-3
t-Boc-L-valine

: 182967-35-7
(S)-2-[(R)-2-(2-{(S)-1-[(S)-2-((S)-2-Benzyloxycarbonylamino-3-methyl-butyrylamino)-3-methyl-butyryl]-pyrrolidin-2-yl}-2-oxo-acetylamino)-4-methyl-pentanoylamino]-3-methyl-butyric acid benzyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: 1.) TFA, 2.) HOBt, N-methylmorpholine, EDC*HCl / 1.) room temperature, 40 min, 2.) DMF, 0 deg C, 2 h; room temperature

2: 1.) TFA, 2.) HOBt, N-methylmorpholine, EDC*HCl / 1.) room temperature, 40 min, 2.) DMF, 0 deg C, 2 h; room temperature

3: 52 percent / pyridinium trifluoroacetate, EDC*HCl / dimethylsulfoxide / 23 h / Ambient temperature

With 4-methyl-morpholine; pyridinium trifluroacetate; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; trifluoroacetic acid; In dimethyl sulfoxide;
DOI:10.7164/antibiotics.49.900

Reference yield:

: 1149-26-4
(S)-N-(benzyloxycarbonyl)valine

: 182967-35-7
(S)-2-[(R)-2-(2-{(S)-1-[(S)-2-((S)-2-Benzyloxycarbonylamino-3-methyl-butyrylamino)-3-methyl-butyryl]-pyrrolidin-2-yl}-2-oxo-acetylamino)-4-methyl-pentanoylamino]-3-methyl-butyric acid benzyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: 1.) TFA, 2.) HOBt, N-methylmorpholine, EDC*HCl / 1.) room temperature, 40 min, 2.) DMF, 0 deg C, 2 h; room temperature

2: 52 percent / pyridinium trifluoroacetate, EDC*HCl / dimethylsulfoxide / 23 h / Ambient temperature

With 4-methyl-morpholine; pyridinium trifluroacetate; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; trifluoroacetic acid; In dimethyl sulfoxide;
DOI:10.7164/antibiotics.49.900