(S)-3-[(S)-3-((S)-3-Benzyloxycarbonylamino-butyrylamino)-butyrylamino]-butyric acid methyl ester

Base Information

Chemical Name:(S)-3-[(S)-3-((S)-3-Benzyloxycarbonylamino-butyrylamino)-butyrylamino]-butyric acid methyl ester
CAS No.:83509-91-5
Molecular Formula:C₂₁H₃₁N₃O₆
Molecular Weight:421.494
Hs Code.:

Synonyms:(S)-3-[(S)-3-((S)-3-Benzyloxycarbonylamino-butyrylamino)-butyrylamino]-butyric acid methyl ester

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Chemical Property of (S)-3-[(S)-3-((S)-3-Benzyloxycarbonylamino-butyrylamino)-butyrylamino]-butyric acid methyl ester

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Technology Process of (S)-3-[(S)-3-((S)-3-Benzyloxycarbonylamino-butyrylamino)-butyrylamino]-butyric acid methyl ester

There total 7 articles about (S)-3-[(S)-3-((S)-3-Benzyloxycarbonylamino-butyrylamino)-butyrylamino]-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: 69.2%

: 6078-06-4,83509-89-1,102522-53-2,103189-63-5
(S)-methyl 3-aminobutanoate

: 83460-94-0
(S)-3-((S)-3-Benzyloxycarbonylamino-butyrylamino)-butyric acid 2,4,5-trichloro-phenyl ester

: 83509-91-5
(S)-3-[(S)-3-((S)-3-Benzyloxycarbonylamino-butyrylamino)-butyrylamino]-butyric acid methyl ester

Guidance literature:: In N,N,N,N,N,N-hexamethylphosphoric triamide; Ambient temperature;

Reference yield:

: 67865-68-3,28094-68-0
benzyl (S)-(4-diazo-3-oxobutan-2-yl)carbamate

: 83509-91-5
(S)-3-[(S)-3-((S)-3-Benzyloxycarbonylamino-butyrylamino)-butyrylamino]-butyric acid methyl ester

Guidance literature:: Multi-step reaction with 7 steps

1: 88.2 percent / Et₃N, silver benzoate / Ambient temperature

2: 77.8 percent / aq. NaOH / methanol / 6 h / Ambient temperature

3: 91.6 percent / DCC / pyridine / 1.) -5 deg C, 3 h, 2.) 0 deg C, 30 h

4: 70.8 percent / Et₃N / ethyl acetate; hexamethylphosphoric acid triamide / Ambient temperature

5: 90.5 percent / aq. NaOH / methanol / 0 °C

6: 84.4 percent / pyridine / -10 - -5 °C

7: 69.2 percent / hexamethylphosphoric acid triamide / Ambient temperature

With sodium hydroxide; silver benzoate; triethylamine; dicyclohexyl-carbodiimide; In pyridine; methanol; N,N,N,N,N,N-hexamethylphosphoric triamide; ethyl acetate;

Reference yield:

: 83509-88-0
(S)-3-benzyloxycarbonylaminobutyric acid

: 83509-91-5
(S)-3-[(S)-3-((S)-3-Benzyloxycarbonylamino-butyrylamino)-butyrylamino]-butyric acid methyl ester

Guidance literature:: Multi-step reaction with 5 steps

1: 91.6 percent / DCC / pyridine / 1.) -5 deg C, 3 h, 2.) 0 deg C, 30 h

2: 70.8 percent / Et₃N / ethyl acetate; hexamethylphosphoric acid triamide / Ambient temperature

3: 90.5 percent / aq. NaOH / methanol / 0 °C

4: 84.4 percent / pyridine / -10 - -5 °C

5: 69.2 percent / hexamethylphosphoric acid triamide / Ambient temperature

With sodium hydroxide; triethylamine; dicyclohexyl-carbodiimide; In pyridine; methanol; N,N,N,N,N,N-hexamethylphosphoric triamide; ethyl acetate;