2-((S)-1-{[2-((S)-1-{(2S,3R)-2-[(S)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-methyl-butyrylamino]-3-trityloxy-butyrylamino}-2-methyl-propyl)-oxazole-4-carbonyl]-amino}-2-methyl-propyl)-thiazole-4-carboxylic acid allyl ester

Base Information

Chemical Name:2-((S)-1-{[2-((S)-1-{(2S,3R)-2-[(S)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-methyl-butyrylamino]-3-trityloxy-butyrylamino}-2-methyl-propyl)-oxazole-4-carbonyl]-amino}-2-methyl-propyl)-thiazole-4-carboxylic acid allyl ester
CAS No.:831239-06-6
Molecular Formula:C₆₂H₆₆N₆O₉S
Molecular Weight:1071.31
Hs Code.:

2-((S)-1-{[2-((S)-1-{(2S,3R)-2-[(S)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-methyl-butyrylamino]-3-trityloxy-butyrylamino}-2-methyl-propyl)-oxazole-4-carbonyl]-amino}-2-methyl-propyl)-thiazole-4-carboxylic acid allyl ester

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Chemical Property of 2-((S)-1-{[2-((S)-1-{(2S,3R)-2-[(S)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-methyl-butyrylamino]-3-trityloxy-butyrylamino}-2-methyl-propyl)-oxazole-4-carbonyl]-amino}-2-methyl-propyl)-thiazole-4-carboxylic acid allyl ester

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Technology Process of 2-((S)-1-{[2-((S)-1-{(2S,3R)-2-[(S)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-methyl-butyrylamino]-3-trityloxy-butyrylamino}-2-methyl-propyl)-oxazole-4-carbonyl]-amino}-2-methyl-propyl)-thiazole-4-carboxylic acid allyl ester

There total 10 articles about 2-((S)-1-{[2-((S)-1-{(2S,3R)-2-[(S)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-methyl-butyrylamino]-3-trityloxy-butyrylamino}-2-methyl-propyl)-oxazole-4-carbonyl]-amino}-2-methyl-propyl)-thiazole-4-carboxylic acid allyl 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:

: 68858-20-8
Fmoc-Val-OH

: 2-[(S)-1-({2-[(S)-1-((2S,3R)-2-Amino-3-trityloxy-butyrylamino)-2-methyl-propyl]-oxazole-4-carbonyl}-amino)-2-methyl-propyl]-thiazole-4-carboxylic acid allyl ester

: 831239-06-6
2-((S)-1-{[2-((S)-1-{(2S,3R)-2-[(S)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-methyl-butyrylamino]-3-trityloxy-butyrylamino}-2-methyl-propyl)-oxazole-4-carbonyl]-amino}-2-methyl-propyl)-thiazole-4-carboxylic acid allyl ester

Guidance literature:: With benzotriazol-1-ol; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine; In N,N-dimethyl-formamide; at 25 ℃; for 8h;
DOI:10.1016/j.tet.2004.10.024

Reference yield:

: 68858-20-8
Fmoc-Val-OH

: 831239-06-6
2-((S)-1-{[2-((S)-1-{(2S,3R)-2-[(S)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-methyl-butyrylamino]-3-trityloxy-butyrylamino}-2-methyl-propyl)-oxazole-4-carbonyl]-amino}-2-methyl-propyl)-thiazole-4-carboxylic acid allyl ester

Guidance literature:: Multi-step reaction with 9 steps

1: HBTU; HOBt; DIEA

2: 89 percent / Ph₃PO; Tf₂O / CH₂Cl₂ / -20 °C

3: 94 percent / MnO₂

4: diethylamine / acetonitrile / 0.5 h / 25 °C

5: 88 percent / HBTU; HOBt*H₂O; N,N-diisopropylethylamine / dimethylformamide / 8 h / 25 °C

6: TFA / CH₂Cl₂ / 0.33 h

7: HBTU; HOBt*H₂O; N,N-diisopropylethylamine / dimethylformamide / 8 h / 25 °C

8: diethylamine / acetonitrile / 0.5 h / 25 °C

9: HBTU; HOBt*H₂O; N,N-diisopropylethylamine / dimethylformamide / 8 h / 25 °C

With manganese(IV) oxide; trifluoromethylsulfonic anhydride; benzotriazol-1-ol; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; diethylamine; N-ethyl-N,N-diisopropylamine; trifluoroacetic acid; Triphenylphosphine oxide; In dichloromethane; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1016/j.tet.2004.10.024

Reference yield:

: 668489-44-9
2-[1-(9H-fluoren-9-ylmethoxycarbonylamino)-2-methyl-propyl]-thiazole-4-carboxylic acid allyl ester

: 831239-06-6
2-((S)-1-{[2-((S)-1-{(2S,3R)-2-[(S)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-methyl-butyrylamino]-3-trityloxy-butyrylamino}-2-methyl-propyl)-oxazole-4-carbonyl]-amino}-2-methyl-propyl)-thiazole-4-carboxylic acid allyl ester

Guidance literature:: Multi-step reaction with 6 steps

1: diethylamine / acetonitrile / 0.5 h / 25 °C

2: 88 percent / HBTU; HOBt*H₂O; N,N-diisopropylethylamine / dimethylformamide / 8 h / 25 °C

3: TFA / CH₂Cl₂ / 0.33 h

4: HBTU; HOBt*H₂O; N,N-diisopropylethylamine / dimethylformamide / 8 h / 25 °C

5: diethylamine / acetonitrile / 0.5 h / 25 °C

6: HBTU; HOBt*H₂O; N,N-diisopropylethylamine / dimethylformamide / 8 h / 25 °C

With benzotriazol-1-ol; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; diethylamine; N-ethyl-N,N-diisopropylamine; trifluoroacetic acid; In dichloromethane; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1016/j.tet.2004.10.024