(2S,4R)-4-Benzyl-2-phenethylcarbamoyl-pyrrolidine-1-carboxylic acid tert-butyl ester

Base Information

• Chemical Name: (2S,4R)-4-Benzyl-2-phenethylcarbamoyl-pyrrolidine-1-carboxylic acid tert-butyl ester
• CAS No.: 860033-71-2
• Molecular Formula: C₂₅H₃₂N₂O₃
• Molecular Weight: 408.541
• Mol file: 860033-71-2.mol

Synonyms:(2S,4R)-4-Benzyl-2-phenethylcarbamoyl-pyrrolidine-1-carboxylic acid tert-butyl ester

Chemical Property of (2S,4R)-4-Benzyl-2-phenethylcarbamoyl-pyrrolidine-1-carboxylic acid tert-butyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (2S,4R)-4-Benzyl-2-phenethylcarbamoyl-pyrrolidine-1-carboxylic acid tert-butyl ester

There total 2 articles about (2S,4R)-4-Benzyl-2-phenethylcarbamoyl-pyrrolidine-1-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:

phenethylamine (64-04-0) + (2S,4R)-4-benzyl-1-(tert-butoxycarbonyl)pyrrolidine-2-carboxylic acid (153074-95-4,158459-13-3) → (2S,4R)-4-Benzyl-2-phenethylcarbamoyl-pyrrolidine-1-carboxylic acid tert-butyl ester (860033-71-2)

Guidance literature:

With 4-methyl-morpholine; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; In N,N-dimethyl-formamide; at 20 ℃; for 4h;

DOI:10.1016/j.bmcl.2005.03.120

Reference yield:

ethyl (2S,4R)-N-BOC-4-benzylprolinate (171038-43-0) → (2S,4R)-4-Benzyl-2-phenethylcarbamoyl-pyrrolidine-1-carboxylic acid tert-butyl ester (860033-71-2)

Guidance literature:

Multi-step reaction with 2 steps

1: 92 percent / aq. LiOH / methanol / 18 h / 20 °C

2: EDCI; HOBt; NMM / dimethylformamide / 4 h / 20 °C

With 4-methyl-morpholine; lithium hydroxide; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; In methanol; N,N-dimethyl-formamide;

DOI:10.1016/j.bmcl.2005.03.120

Reference yield: 100.0%

(2S,4R)-4-Benzyl-2-phenethylcarbamoyl-pyrrolidine-1-carboxylic acid tert-butyl ester (860033-71-2) → (2S,4R)-4-Benzyl-pyrrolidine-2-carboxylic acid phenethyl-amide (860033-75-6)

Guidance literature:

With trifluoroacetic acid; In dichloromethane; at 20 ℃; for 3h;

DOI:10.1016/j.bmcl.2005.03.120

upstream raw materials:

phenethylamine

(2S,4R)-4-benzyl-1-(tert-butoxycarbonyl)pyrrolidine-2-carboxylic acid

ethyl (2S,4R)-N-BOC-4-benzylprolinate

Downstream raw materials:

(2S,4R)-4-Benzyl-pyrrolidine-2-carboxylic acid phenethyl-amide

C₃₆H₄₂N₈O₅

(2S,4R)-1-[(S)-2-Amino-5-({amino-[(E)-2,2,4,6,7-pentamethyl-2,3-dihydro-benzofuran-5-sulfonylimino]-methyl}-amino)-pentanoyl]-4-benzyl-pyrrolidine-2-carboxylic acid phenethyl-amide

(2S,4R)-1-[(S)-5-({Amino-[(E)-2,2,4,6,7-pentamethyl-2,3-dihydro-benzofuran-5-sulfonylimino]-methyl}-amino)-2-(2-1H-indol-3-yl-acetylamino)-pentanoyl]-4-benzyl-pyrrolidine-2-carboxylic acid phenethyl-amide