1-[2-(2-amino-5-benzyloxycarbonylamino-pentanoylamino)-3-tert-butoxy-butyryl]-4-tert-butoxy-pyrrolidine-2-carboxylic acid tert-butyl ester

Base Information

• Chemical Name: 1-[2-(2-amino-5-benzyloxycarbonylamino-pentanoylamino)-3-tert-butoxy-butyryl]-4-tert-butoxy-pyrrolidine-2-carboxylic acid tert-butyl ester
• CAS No.: 263846-86-2
• Molecular Formula: C₃₄H₅₆N₄O₈
• Molecular Weight: 648.841
• Mol file: 263846-86-2.mol

Synonyms:

Chemical Property of 1-[2-(2-amino-5-benzyloxycarbonylamino-pentanoylamino)-3-tert-butoxy-butyryl]-4-tert-butoxy-pyrrolidine-2-carboxylic acid tert-butyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 1-[2-(2-amino-5-benzyloxycarbonylamino-pentanoylamino)-3-tert-butoxy-butyryl]-4-tert-butoxy-pyrrolidine-2-carboxylic acid tert-butyl ester

There total 7 articles about 1-[2-(2-amino-5-benzyloxycarbonylamino-pentanoylamino)-3-tert-butoxy-butyryl]-4-tert-butoxy-pyrrolidine-2-carboxylic acid tert-butyl 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:

1-{2-[5-benzyloxycarbonylamino-2-(9H-fluoren-9-ylmethoxycarbonylamino)-pentanoylamino]-3-tert-butoxy-butyryl}-4-tert-butoxy-pyrrolidine-2-carboxylic acid tert-butyl ester (263846-85-1) → 1-[2-(2-amino-5-benzyloxycarbonylamino-pentanoylamino)-3-tert-butoxy-butyryl]-4-tert-butoxy-pyrrolidine-2-carboxylic acid tert-butyl ester (263846-86-2)

Guidance literature:

With diethylamine; In N,N-dimethyl-formamide; at 25 ℃; for 4h;

DOI:10.1016/S0968-0896(00)00097-3

Reference yield:

N-carboxybenzyl-L-ornithine (3304-51-6,118578-06-6) → 1-[2-(2-amino-5-benzyloxycarbonylamino-pentanoylamino)-3-tert-butoxy-butyryl]-4-tert-butoxy-pyrrolidine-2-carboxylic acid tert-butyl ester (263846-86-2)

Guidance literature:

Multi-step reaction with 3 steps

1: aq. Na₂CO₃ / dioxane / 0 - 25 °C

2: 11 g / EDAC; HOBT / 25 °C

3: Et₂NH / dimethylformamide / 4 h / 25 °C

With sodium carbonate; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; diethylamine; In 1,4-dioxane; N,N-dimethyl-formamide; 1: Acylation / 2: Acylation / 3: Substitution;

DOI:10.1016/S0968-0896(00)00097-3

Reference yield:

Fmoc-Thr(tBu)-OH (71989-35-0,138797-71-4) → 1-[2-(2-amino-5-benzyloxycarbonylamino-pentanoylamino)-3-tert-butoxy-butyryl]-4-tert-butoxy-pyrrolidine-2-carboxylic acid tert-butyl ester (263846-86-2)

Guidance literature:

Multi-step reaction with 4 steps

1: EDAC; HOBT / CH₂Cl₂ / 0 - 25 °C

2: Et₂NH / dimethylformamide / 4 h / 25 °C

3: 11 g / EDAC; HOBT / 25 °C

4: Et₂NH / dimethylformamide / 4 h / 25 °C

With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; diethylamine; In dichloromethane; N,N-dimethyl-formamide; 1: Acylation / 2: Substitution / 3: Acylation / 4: Substitution;

DOI:10.1016/S0968-0896(00)00097-3

upstream raw materials:

1-{2-[5-benzyloxycarbonylamino-2-(9H-fluoren-9-ylmethoxycarbonylamino)-pentanoylamino]-3-tert-butoxy-butyryl}-4-tert-butoxy-pyrrolidine-2-carboxylic acid tert-butyl ester

N-carboxybenzyl-L-ornithine

Fmoc-Thr(tBu)-OH

N^α-fluorenylmethyloxycarbonyl-N^δ-benzyloxycarbonylornithine

Downstream raw materials:

1-(2-{5-amino-2-[(4''-pentyloxy-[1,1';4',1'']terphenyl-4-carbonyl)-amino]-pentanoylamino}-3-tert-butoxy-butyryl)-4-tert-butoxy-pyrrolidine-2-carboxylic acid tert-butyl ester

(2S,4R)-1-((2S,3R)-2-{(S)-5-[((2S,4S)-4-Azido-pyrrolidine-2-carbonyl)-amino]-2-[(4''-pentyloxy-[1,1';4',1'']terphenyl-4-carbonyl)-amino]-pentanoylamino}-3-tert-butoxy-butyryl)-4-tert-butoxy-pyrrolidine-2-carboxylic acid tert-butyl ester

1-(2-{5-{[1-(2-amino-3-tert-butoxy-butyryl)-4-azido-pyrrolidine-2-carbonyl]-amino}-2-[(4''-pentyloxy-[1,1';4',1'']terphenyl-4-carbonyl)-amino]-pentanoylamino}-3-tert-butoxy-butyryl)-4-tert-butoxy-pyrrolidine-2-carboxylic acid tert-butyl ester

C₇₀H₈₈N₈O₁₁