L-2-aminobutyryl-N-methyl-L-alanyl-N-methyl-L-leucyl-L-valyl-N-methyl-L-leucyl-L-alanine benzyl ester

Base Information

• Chemical Name: L-2-aminobutyryl-N-methyl-L-alanyl-N-methyl-L-leucyl-L-valyl-N-methyl-L-leucyl-L-alanine benzyl ester
• CAS No.: 151371-04-9
• Molecular Formula: C₃₇H₆₂N₆O₇
• Molecular Weight: 702.935

Synonyms:L-2-aminobutyryl-N-methyl-L-alanyl-N-methyl-L-leucyl-L-valyl-N-methyl-L-leucyl-L-alanine benzyl ester

Chemical Property of L-2-aminobutyryl-N-methyl-L-alanyl-N-methyl-L-leucyl-L-valyl-N-methyl-L-leucyl-L-alanine benzyl ester

Chemical Property:

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Technology Process of L-2-aminobutyryl-N-methyl-L-alanyl-N-methyl-L-leucyl-L-valyl-N-methyl-L-leucyl-L-alanine benzyl ester

There total 4 articles about L-2-aminobutyryl-N-methyl-L-alanyl-N-methyl-L-leucyl-L-valyl-N-methyl-L-leucyl-L-alanine 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: 68.0%

N-(tert-butyloxycarbonyl)-L-2-aminobutyryl-N-methyl-L-alanyl-N-methyl-L-leucyl-L-valyl-N-methyl-L-leucyl-L-alanine benzyl ester (151371-03-8) → L-2-aminobutyryl-N-methyl-L-alanyl-N-methyl-L-leucyl-L-valyl-N-methyl-L-leucyl-L-alanine benzyl ester (151371-04-9)

Guidance literature:

With trifluoroacetic acid; at -20 ℃; for 18h;

DOI:10.1002/hlca.19930760415

Reference yield:

N-methylleucylvalyl-N-methylleucylalanine benzyl ester (81135-28-6) → L-2-aminobutyryl-N-methyl-L-alanyl-N-methyl-L-leucyl-L-valyl-N-methyl-L-leucyl-L-alanine benzyl ester (151371-04-9)

Guidance literature:

Multi-step reaction with 4 steps

1: 1) pivaloyl chloride, MeMorph / 1) CHCl₃, -20 deg C, 3 h, 2) CHCl₃, -20 deg C, 24 h

2: 77.1 percent / CF₃COOH / 20 h / -20 °C

3: 1) pivaloyl chloride, MeMorph / 1) CHCl₃, -15 deg C, 3 h, 2) CHCl₃, -15 deg C, 20 h

4: 68 percent / CF₃COOH / 18 h / -20 °C

With 4-methyl-morpholine; pivaloyl chloride; trifluoroacetic acid;

DOI:10.1002/hlca.19930760415

Reference yield:

N-methyl-L-alanyl-N-methyl-L-leucyl-L-valyl-N-methyl-L-leucyl-L-alanine benzyl ester (151371-02-7) → L-2-aminobutyryl-N-methyl-L-alanyl-N-methyl-L-leucyl-L-valyl-N-methyl-L-leucyl-L-alanine benzyl ester (151371-04-9)

Guidance literature:

Multi-step reaction with 2 steps

1: 1) pivaloyl chloride, MeMorph / 1) CHCl₃, -15 deg C, 3 h, 2) CHCl₃, -15 deg C, 20 h

2: 68 percent / CF₃COOH / 18 h / -20 °C

With 4-methyl-morpholine; pivaloyl chloride; trifluoroacetic acid;

DOI:10.1002/hlca.19930760415

upstream raw materials:

N-(tert-butyloxycarbonyl)-L-2-aminobutyryl-N-methyl-L-alanyl-N-methyl-L-leucyl-L-valyl-N-methyl-L-leucyl-L-alanine benzyl ester

N-methylleucylvalyl-N-methylleucylalanine benzyl ester

N-methyl-L-alanyl-N-methyl-L-leucyl-L-valyl-N-methyl-L-leucyl-L-alanine benzyl ester

N-(tert-butyloxycarbonyl)-N-methyl-L-alanyl-N-methyl-L-leucyl-L-valyl-N-methyl-L-leucyl-L-alanine benzyl ester

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