(2R,4S)-1-{(S)-2-[(S)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-2-methyl-butyrylamino]-3-phenyl-propionyl}-4-methyl-pyrrolidine-2-carboxylic acid benzyl ester

Base Information

• Chemical Name: (2R,4S)-1-{(S)-2-[(S)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-2-methyl-butyrylamino]-3-phenyl-propionyl}-4-methyl-pyrrolidine-2-carboxylic acid benzyl ester
• CAS No.: 857478-35-4
• Molecular Formula: C₄₂H₄₅N₃O₆
• Molecular Weight: 687.836

Synonyms:(2R,4S)-1-{(S)-2-[(S)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-2-methyl-butyrylamino]-3-phenyl-propionyl}-4-methyl-pyrrolidine-2-carboxylic acid benzyl ester

Chemical Property of (2R,4S)-1-{(S)-2-[(S)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-2-methyl-butyrylamino]-3-phenyl-propionyl}-4-methyl-pyrrolidine-2-carboxylic acid benzyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of (2R,4S)-1-{(S)-2-[(S)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-2-methyl-butyrylamino]-3-phenyl-propionyl}-4-methyl-pyrrolidine-2-carboxylic acid benzyl ester

There total 11 articles about (2R,4S)-1-{(S)-2-[(S)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-2-methyl-butyrylamino]-3-phenyl-propionyl}-4-methyl-pyrrolidine-2-carboxylic 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: 69.0%

(2R,4S)-1-(tert-butoxycarbonyl)-2-benzyloxycarbonyl-4-methylpyrrolidine (857478-28-5) + (S)-2-[(S)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-2-methyl-butyrylamino]-3-phenyl-propionic acid (857478-50-3) → (2R,4S)-1-{(S)-2-[(S)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-2-methyl-butyrylamino]-3-phenyl-propionyl}-4-methyl-pyrrolidine-2-carboxylic acid benzyl ester (857478-35-4)

Guidance literature:

(2R,4S)-1-(tert-butoxycarbonyl)-2-benzyloxycarbonyl-4-methylpyrrolidine; With trifluoroacetic acid; In dichloromethane; for 0.5h;

(S)-2-[(S)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-2-methyl-butyrylamino]-3-phenyl-propionic acid; With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine; In dichloromethane;

DOI:10.1021/ol050991r

Reference yield:

N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-isovaline (857478-30-9) → (2R,4S)-1-{(S)-2-[(S)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-2-methyl-butyrylamino]-3-phenyl-propionyl}-4-methyl-pyrrolidine-2-carboxylic acid benzyl ester (857478-35-4)

Guidance literature:

Multi-step reaction with 3 steps

1.1: 90 percent / HOBt; EDCI; i-Pr₂NEt / CH₂Cl₂ / 24 h

2.1: 88 percent / H₂ / Pd/C / methanol / 6 h / 760 Torr

3.1: TFA / CH₂Cl₂ / 0.5 h

3.2: 69 percent / EDCI; HOBt; i-Pr₂NEt / CH₂Cl₂

With hydrogen; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine; trifluoroacetic acid; palladium on activated charcoal; In methanol; dichloromethane;

DOI:10.1021/ol050991r

Reference yield:

(S)-2-[(S)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-2-methyl-butyrylamino]-3-phenyl-propionic acid benzyl ester (857478-33-2) → (2R,4S)-1-{(S)-2-[(S)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-2-methyl-butyrylamino]-3-phenyl-propionyl}-4-methyl-pyrrolidine-2-carboxylic acid benzyl ester (857478-35-4)

Guidance literature:

Multi-step reaction with 2 steps

1.1: 88 percent / H₂ / Pd/C / methanol / 6 h / 760 Torr

2.1: TFA / CH₂Cl₂ / 0.5 h

2.2: 69 percent / EDCI; HOBt; i-Pr₂NEt / CH₂Cl₂

With hydrogen; trifluoroacetic acid; palladium on activated charcoal; In methanol; dichloromethane;

DOI:10.1021/ol050991r

upstream raw materials:

(2R,4S)-1-(tert-butoxycarbonyl)-2-benzyloxycarbonyl-4-methylpyrrolidine

(S)-2-[(S)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-2-methyl-butyrylamino]-3-phenyl-propionic acid

(2R,4S)-4-Hydroxymethyl-pyrrolidine-1,2-dicarboxylic acid 2-benzyl ester 1-tert-butyl ester

N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-isovaline

Downstream raw materials:

(2R,4S)-1-((S)-2-{(S)-2-[(2S,9R)-2-tert-Butoxycarbonylamino-9-(tert-butyl-diphenyl-silanyloxy)-8-oxo-decanoylamino]-2-methyl-butyrylamino}-3-phenyl-propionyl)-4-methyl-pyrrolidine-2-carboxylic acid pentafluorophenyl ester

(2R,4S)-1-((S)-2-{(S)-2-[(2S,9R)-2-tert-Butoxycarbonylamino-9-(tert-butyl-diphenyl-silanyloxy)-8-oxo-decanoylamino]-2-methyl-butyrylamino}-3-phenyl-propionyl)-4-methyl-pyrrolidine-2-carboxylic acid benzyl ester

(2S,5S,8S,11S,13aR)-5-Benzyl-11-[(R)-7-(tert-butyl-diphenyl-silanyloxy)-6-oxo-octyl]-8-ethyl-2,8-dimethyl-decahydro-3a,6,9,12-tetraaza-cyclopentacyclododecene-4,7,10,13-tetraone

Post a RFQ

Cas No.:

Product Name:

Quantity:

Please select Metric Ton KG G Pound L ML

Email:

Company name:

Valid Period:

Detailed Requirements:

• Sample
• MOQ
• GMP
• FDA
• Price
  FOB CIF CFR EXW
• Urgent purchase

Enter 15 to 2000 letters.Word count: 0 letters

Attach files(File Format: Jpeg, Jpg, Gif, Png, PDF, PPT, Zip, Rar,Word or Excel Maximum File Size: 3MB)

Remove

Submit

1

What can I do for you?
Get Best Price

Get Best Price for 857478-35-4 (2R,4S)-1-{(S)-2-[(S)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-2-methyl-butyrylamino]-3-phenyl-propionyl}-4-methyl-pyrrolidine-2-carboxylic acid benzyl ester

Send

Send

Metric Ton KG G Pound L ML

Send

Send