(S)-2-((R)-2-Benzyloxycarbonylamino-4-methyl-pentanoylamino)-3-methyl-butyric acid tert-butyl ester

Base Information

Chemical Name:(S)-2-((R)-2-Benzyloxycarbonylamino-4-methyl-pentanoylamino)-3-methyl-butyric acid tert-butyl ester
CAS No.:135219-72-6
Molecular Formula:C₂₃H₃₆N₂O₅
Molecular Weight:420.549
Hs Code.:

Synonyms:(S)-2-((R)-2-Benzyloxycarbonylamino-4-methyl-pentanoylamino)-3-methyl-butyric acid tert-butyl ester

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of (S)-2-((R)-2-Benzyloxycarbonylamino-4-methyl-pentanoylamino)-3-methyl-butyric acid tert-butyl ester

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Technology Process of (S)-2-((R)-2-Benzyloxycarbonylamino-4-methyl-pentanoylamino)-3-methyl-butyric acid tert-butyl ester

There total 1 articles about (S)-2-((R)-2-Benzyloxycarbonylamino-4-methyl-pentanoylamino)-3-methyl-butyric acid tert-butyl 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: 87.9%

: 28862-79-5
Z-D-Leu-OH

: 13518-40-6
L-valine tert-butylester hydrochloride

: 135219-72-6
(S)-2-((R)-2-Benzyloxycarbonylamino-4-methyl-pentanoylamino)-3-methyl-butyric acid tert-butyl ester

Guidance literature:: With benzotriazol-1-ol; 1-ethyl-3-(3-(dimethylammonio)propyl)carbodiimide perchlorate; triethylamine; In dichloromethane; 1.) 0 deg C, 2 h, 2.) room temperature, 15 h;
DOI:10.7164/antibiotics.49.890

Reference yield:

: 135219-72-6
(S)-2-((R)-2-Benzyloxycarbonylamino-4-methyl-pentanoylamino)-3-methyl-butyric acid tert-butyl ester

: (S)-2-{(R)-2-[3-((R)-2-Benzyloxycarbonylamino-3-phenyl-propionylamino)-2-hydroxy-pentanoylamino]-4-methyl-pentanoylamino}-3-methyl-butyric acid tert-butyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: 1.1 g / H₂ / palladium-black / methanol / 16 h / Ambient temperature

2: 98 percent / HOBt, EDC*HCl / dimethylformamide / 1.) 0 deg C, 2 h, 2.) room temperature, 6 h

3: 247.1 mg / H₂ / palladium-black / methanol / 26.5 h / Ambient temperature

4: HOBt, EDC*HCl / dimethylformamide / 6 h / 0 °C

With hydrogen; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; palladium; In methanol; N,N-dimethyl-formamide;
DOI:10.7164/antibiotics.49.890

Reference yield:

: 135219-72-6
(S)-2-((R)-2-Benzyloxycarbonylamino-4-methyl-pentanoylamino)-3-methyl-butyric acid tert-butyl ester

: 135219-73-7
(S)-2-{(R)-2-[3-((S)-2-Benzyloxycarbonylamino-3-phenyl-propionylamino)-2-hydroxy-pentanoylamino]-4-methyl-pentanoylamino}-3-methyl-butyric acid tert-butyl ester

Guidance literature:: Multi-step reaction with 4 steps

1: 1.1 g / H₂ / palladium-black / methanol / 16 h / Ambient temperature

2: 98 percent / HOBt, EDC*HCl / dimethylformamide / 1.) 0 deg C, 2 h, 2.) room temperature, 6 h

3: 247.1 mg / H₂ / palladium-black / methanol / 26.5 h / Ambient temperature

4: HOBt, EDC*HCl / dimethylformamide / 6 h / 0 °C

With hydrogen; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; palladium; In methanol; N,N-dimethyl-formamide;
DOI:10.7164/antibiotics.49.890