Boc-(R)-β³-HVal-(R)-β³-HCys(Bn)-(S)-β³-HLeu-(R)-β³-HVal-(R)-β³-HCys(Bn)-(S)-β³-HLeu-OH

Base Information

• Chemical Name: Boc-(R)-β³-HVal-(R)-β³-HCys(Bn)-(S)-β³-HLeu-(R)-β³-HVal-(R)-β³-HCys(Bn)-(S)-β³-HLeu-OH
• CAS No.: 244251-29-4
• Molecular Formula: C₅₃H₈₄N₆O₉S₂
• Molecular Weight: 1013.42

Synonyms:Boc-(R)-β³-HVal-(R)-β³-HCys(Bn)-(S)-β³-HLeu-(R)-β³-HVal-(R)-β³-HCys(Bn)-(S)-β³-HLeu-OH

Chemical Property of Boc-(R)-β³-HVal-(R)-β³-HCys(Bn)-(S)-β³-HLeu-(R)-β³-HVal-(R)-β³-HCys(Bn)-(S)-β³-HLeu-OH

Chemical Property:

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Technology Process of Boc-(R)-β³-HVal-(R)-β³-HCys(Bn)-(S)-β³-HLeu-(R)-β³-HVal-(R)-β³-HCys(Bn)-(S)-β³-HLeu-OH

There total 3 articles about Boc-(R)-β³-HVal-(R)-β³-HCys(Bn)-(S)-β³-HLeu-(R)-β³-HVal-(R)-β³-HCys(Bn)-(S)-β³-HLeu-OH 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: 94.0%

Boc-(R)-β3-HVal-(R)-β3-HCys(Bn)-(S)-β3-HLeu-(R)-β3-HVal-(R)-β3-HCys(Bn)-(S)-β3-HLeu-OMe (244251-28-3) → Boc-(R)-β3-HVal-(R)-β3-HCys(Bn)-(S)-β3-HLeu-(R)-β3-HVal-(R)-β3-HCys(Bn)-(S)-β3-HLeu-OH (244251-29-4)

Guidance literature:

With sodium hydroxide; In 2,2,2-trifluoroethanol; at 45 ℃; for 48h;

DOI:10.1002/(SICI)1522-2675(19990804)82:8<1150::AID-HLCA1150>3.0.CO;2-O

Reference yield:

Boc-(R)-β3-HVal-(R)-β3-HCys(Bn)-(S)-β3-HLeu-OMe (244251-23-8) → Boc-(R)-β3-HVal-(R)-β3-HCys(Bn)-(S)-β3-HLeu-(R)-β3-HVal-(R)-β3-HCys(Bn)-(S)-β3-HLeu-OH (244251-29-4)

Guidance literature:

Multi-step reaction with 3 steps

1: 91 percent / 5N NaOH / 2,2,2-trifluoro-ethanol / 12 h / 45 °C

2: Et₃N; HOBt; EDC / CHCl₃; dimethylformamide / 18 h / 20 °C

3: 94 percent / 5N NaOH / 2,2,2-trifluoro-ethanol / 48 h / 45 °C

With sodium hydroxide; benzotriazol-1-ol; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide; triethylamine; In chloroform; 2,2,2-trifluoroethanol; N,N-dimethyl-formamide; 1: Hydrolysis / 2: Acylation / 3: Hydrolysis;

DOI:10.1002/(SICI)1522-2675(19990804)82:8<1150::AID-HLCA1150>3.0.CO;2-O

Reference yield:

Boc-(R)-β3-HVal-(R)-β3-HCys(Bn)-(S)-β3-HLeu-OH (244251-24-9) → Boc-(R)-β3-HVal-(R)-β3-HCys(Bn)-(S)-β3-HLeu-(R)-β3-HVal-(R)-β3-HCys(Bn)-(S)-β3-HLeu-OH (244251-29-4)

Guidance literature:

Multi-step reaction with 2 steps

1: Et₃N; HOBt; EDC / CHCl₃; dimethylformamide / 18 h / 20 °C

2: 94 percent / 5N NaOH / 2,2,2-trifluoro-ethanol / 48 h / 45 °C

With sodium hydroxide; benzotriazol-1-ol; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide; triethylamine; In chloroform; 2,2,2-trifluoroethanol; N,N-dimethyl-formamide; 1: Acylation / 2: Hydrolysis;

DOI:10.1002/(SICI)1522-2675(19990804)82:8<1150::AID-HLCA1150>3.0.CO;2-O

upstream raw materials:

Boc-(R)-β³-HVal-(R)-β³-HCys(Bn)-(S)-β³-HLeu-(R)-β³-HVal-(R)-β³-HCys(Bn)-(S)-β³-HLeu-OMe

Boc-(R)-β³-HVal-(R)-β³-HCys(Bn)-(S)-β³-HLeu-OMe

Boc-(R)-β³-HVal-(R)-β³-HCys(Bn)-(S)-β³-HLeu-OH

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