(S)-2-(Benzyloxycarbonyl-{2-[(S)-2-((S)-1-tert-butoxycarbonyl-2-methyl-propylcarbamoyl)-pyrrolidin-1-yl]-2-oxo-ethyl}-amino)-3-methyl-butyric acid ethyl ester

Base Information

Chemical Name:(S)-2-(Benzyloxycarbonyl-{2-[(S)-2-((S)-1-tert-butoxycarbonyl-2-methyl-propylcarbamoyl)-pyrrolidin-1-yl]-2-oxo-ethyl}-amino)-3-methyl-butyric acid ethyl ester
CAS No.:100689-89-2
Molecular Formula:C₃₁H₄₇N₃O₈
Molecular Weight:589.729
Hs Code.:

(S)-2-(Benzyloxycarbonyl-{2-[(S)-2-((S)-1-tert-butoxycarbonyl-2-methyl-propylcarbamoyl)-pyrrolidin-1-yl]-2-oxo-ethyl}-amino)-3-methyl-butyric acid ethyl ester

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Chemical Property of (S)-2-(Benzyloxycarbonyl-{2-[(S)-2-((S)-1-tert-butoxycarbonyl-2-methyl-propylcarbamoyl)-pyrrolidin-1-yl]-2-oxo-ethyl}-amino)-3-methyl-butyric acid ethyl ester

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Technology Process of (S)-2-(Benzyloxycarbonyl-{2-[(S)-2-((S)-1-tert-butoxycarbonyl-2-methyl-propylcarbamoyl)-pyrrolidin-1-yl]-2-oxo-ethyl}-amino)-3-methyl-butyric acid ethyl ester

There total 7 articles about (S)-2-(Benzyloxycarbonyl-{2-[(S)-2-((S)-1-tert-butoxycarbonyl-2-methyl-propylcarbamoyl)-pyrrolidin-1-yl]-2-oxo-ethyl}-amino)-3-methyl-butyric 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:

: 13211-31-9
tert-butyl L-valinate

: 100689-89-2
(S)-2-(Benzyloxycarbonyl-{2-[(S)-2-((S)-1-tert-butoxycarbonyl-2-methyl-propylcarbamoyl)-pyrrolidin-1-yl]-2-oxo-ethyl}-amino)-3-methyl-butyric acid ethyl ester

Guidance literature:: Multi-step reaction with 3 steps

1: 79 percent / isobutoxycarbonyl chloride / tetrahydrofuran

2: H₂ / methanol

3: N-ethyl-3-(3-dimethylaminopropyl)carbodiimide / other condensation agents

With hydrogen; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide; isobutyl chloroformate; In tetrahydrofuran; methanol;
DOI:10.1246/bcsj.58.1976

Reference yield:

: 77328-37-1
ethyl N-carboxymethyl-L-valinate

: 100689-89-2
(S)-2-(Benzyloxycarbonyl-{2-[(S)-2-((S)-1-tert-butoxycarbonyl-2-methyl-propylcarbamoyl)-pyrrolidin-1-yl]-2-oxo-ethyl}-amino)-3-methyl-butyric acid ethyl ester

Guidance literature:: Multi-step reaction with 2 steps

1: NaHCO₃ / H₂O; diethyl ether / below 5 deg C overnight

2: N-ethyl-3-(3-dimethylaminopropyl)carbodiimide / other condensation agents

With sodium hydrogencarbonate; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide; In diethyl ether; water;
DOI:10.1246/bcsj.58.1976

Reference yield:

: 5366-33-6
H-L-Val-OEt*TosOH

: 100689-89-2
(S)-2-(Benzyloxycarbonyl-{2-[(S)-2-((S)-1-tert-butoxycarbonyl-2-methyl-propylcarbamoyl)-pyrrolidin-1-yl]-2-oxo-ethyl}-amino)-3-methyl-butyric acid ethyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: 61 percent / triethylamine / tetrahydrofuran / 240 h / Ambient temperature

2: 4M-HCl / ethyl acetate / 3 h / Ambient temperature

3: NaHCO₃ / H₂O; diethyl ether / below 5 deg C overnight

4: N-ethyl-3-(3-dimethylaminopropyl)carbodiimide / other condensation agents

With hydrogenchloride; sodium hydrogencarbonate; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide; triethylamine; In tetrahydrofuran; diethyl ether; water; ethyl acetate;
DOI:10.1246/bcsj.58.1976