(S)-2-[(2S,3R)-2-{(S)-2-[(R)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-methyl-butyrylamino]-3-tritylsulfanyl-propionylamino}-3-(toluene-4-sulfonyloxy)-butyrylamino]-3-methyl-butyric acid methyl ester

Base Information

Chemical Name:(S)-2-[(2S,3R)-2-{(S)-2-[(R)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-methyl-butyrylamino]-3-tritylsulfanyl-propionylamino}-3-(toluene-4-sulfonyloxy)-butyrylamino]-3-methyl-butyric acid methyl ester
CAS No.:180973-31-3
Molecular Formula:C₅₉H₆₄N₄O₁₀S₂
Molecular Weight:1053.31
Hs Code.:

(S)-2-[(2S,3R)-2-{(S)-2-[(R)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-methyl-butyrylamino]-3-tritylsulfanyl-propionylamino}-3-(toluene-4-sulfonyloxy)-butyrylamino]-3-methyl-butyric acid methyl ester

Synonyms:(S)-2-[(2S,3R)-2-{(S)-2-[(R)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-methyl-butyrylamino]-3-tritylsulfanyl-propionylamino}-3-(toluene-4-sulfonyloxy)-butyrylamino]-3-methyl-butyric acid methyl ester

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Chemical Property of (S)-2-[(2S,3R)-2-{(S)-2-[(R)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-methyl-butyrylamino]-3-tritylsulfanyl-propionylamino}-3-(toluene-4-sulfonyloxy)-butyrylamino]-3-methyl-butyric acid methyl ester

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Technology Process of (S)-2-[(2S,3R)-2-{(S)-2-[(R)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-methyl-butyrylamino]-3-tritylsulfanyl-propionylamino}-3-(toluene-4-sulfonyloxy)-butyrylamino]-3-methyl-butyric acid methyl ester

There total 6 articles about (S)-2-[(2S,3R)-2-{(S)-2-[(R)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-methyl-butyrylamino]-3-tritylsulfanyl-propionylamino}-3-(toluene-4-sulfonyloxy)-butyrylamino]-3-methyl-butyric acid methyl 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: 97.0%

: 4124-41-8
p-toluenesulfonylanhydride

: 180973-30-2
(S)-2-((2S,3R)-2-{(S)-2-[(R)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-methyl-butyrylamino]-3-tritylsulfanyl-propionylamino}-3-hydroxy-butyrylamino)-3-methyl-butyric acid methyl ester

: 180973-31-3
(S)-2-[(2S,3R)-2-{(S)-2-[(R)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-methyl-butyrylamino]-3-tritylsulfanyl-propionylamino}-3-(toluene-4-sulfonyloxy)-butyrylamino]-3-methyl-butyric acid methyl ester

Guidance literature:: DOI:10.1021/ja9613724

Reference yield:

: 4070-48-8
L-Valine methyl ester

: 180973-31-3
(S)-2-[(2S,3R)-2-{(S)-2-[(R)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-methyl-butyrylamino]-3-tritylsulfanyl-propionylamino}-3-(toluene-4-sulfonyloxy)-butyrylamino]-3-methyl-butyric acid methyl ester

Guidance literature:: Multi-step reaction with 6 steps

1: 95 percent / (benzotriazol-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate, DIEA

2: Et₂NH

3: (benzotriazol-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate, DIEA

4: Et₂NH

5: (benzotriazol-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate, DIEA

6: 97 percent

With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; diethylamine; N-ethyl-N,N-diisopropylamine;
DOI:10.1021/ja9613724

Reference yield:

: (S)-2-((2S,3R)-2-Amino-3-hydroxy-butyrylamino)-3-methyl-butyric acid methyl ester

: 180973-31-3
(S)-2-[(2S,3R)-2-{(S)-2-[(R)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-methyl-butyrylamino]-3-tritylsulfanyl-propionylamino}-3-(toluene-4-sulfonyloxy)-butyrylamino]-3-methyl-butyric acid methyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: (benzotriazol-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate, DIEA

2: Et₂NH

3: (benzotriazol-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate, DIEA

4: 97 percent

With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; diethylamine; N-ethyl-N,N-diisopropylamine;
DOI:10.1021/ja9613724