4-(1-benzyloxycarbonyl-2-hydroxy-ethylcarbamoyl)-4-tert-butoxycarbonylamino-butyric acid methyl ester

Base Information

Chemical Name:4-(1-benzyloxycarbonyl-2-hydroxy-ethylcarbamoyl)-4-tert-butoxycarbonylamino-butyric acid methyl ester
CAS No.:347894-92-2
Molecular Formula:C₂₁H₃₀N₂O₈
Molecular Weight:438.478
Hs Code.:

4-(1-benzyloxycarbonyl-2-hydroxy-ethylcarbamoyl)-4-<i>tert</i>-butoxycarbonylamino-butyric acid methyl ester

Synonyms:4-(1-benzyloxycarbonyl-2-hydroxy-ethylcarbamoyl)-4-tert-butoxycarbonylamino-butyric acid methyl ester

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Chemical Property of 4-(1-benzyloxycarbonyl-2-hydroxy-ethylcarbamoyl)-4-tert-butoxycarbonylamino-butyric acid methyl ester

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Technology Process of 4-(1-benzyloxycarbonyl-2-hydroxy-ethylcarbamoyl)-4-tert-butoxycarbonylamino-butyric acid methyl ester

There total 3 articles about 4-(1-benzyloxycarbonyl-2-hydroxy-ethylcarbamoyl)-4-tert-butoxycarbonylamino-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: 94.0%

: 45214-91-3
(2S)-2-[(tert-butoxy)carbonylamino]-4-(methoxycarbonyl)butanoic acid

: 222739-29-9
DL-Serine benzyl ester benzenesulfonate

: 347894-92-2
4-(1-benzyloxycarbonyl-2-hydroxy-ethylcarbamoyl)-4-tert-butoxycarbonylamino-butyric acid methyl ester

Guidance literature:: (2S)-2-[(tert-butoxy)carbonylamino]-4-(methoxycarbonyl)butanoic acid; With 4-methyl-morpholine; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; In dichloromethane; at 0 ℃; for 0.5h;

DL-Serine benzyl ester benzenesulfonate; With 4-methyl-morpholine; In dichloromethane; at 0 - 20 ℃; for 48h; Further stages.;
DOI:10.1039/b101417j

Reference yield:

: 1499-55-4
L-glutamic acid 5-methyl ester

: 347894-92-2
4-(1-benzyloxycarbonyl-2-hydroxy-ethylcarbamoyl)-4-tert-butoxycarbonylamino-butyric acid methyl ester

Guidance literature:: Multi-step reaction with 2 steps

1.1: 90 percent / Et₃N / tetrahydrofuran; H₂O / 24 h

2.1: HOBt; EDCI*HCl; NMM / CH₂Cl₂ / 0.5 h / 0 °C

2.2: 94 percent / NMM / CH₂Cl₂ / 48 h / 0 - 20 °C

With 4-methyl-morpholine; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; In tetrahydrofuran; dichloromethane; water;
DOI:10.1039/b101417j

Reference yield:

: 24424-99-5
di-tert-butyl dicarbonate

: 347894-92-2
4-(1-benzyloxycarbonyl-2-hydroxy-ethylcarbamoyl)-4-tert-butoxycarbonylamino-butyric acid methyl ester

Guidance literature:: Multi-step reaction with 2 steps

1.1: 90 percent / Et₃N / tetrahydrofuran; H₂O / 24 h

2.1: HOBt; EDCI*HCl; NMM / CH₂Cl₂ / 0.5 h / 0 °C

2.2: 94 percent / NMM / CH₂Cl₂ / 48 h / 0 - 20 °C

With 4-methyl-morpholine; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; In tetrahydrofuran; dichloromethane; water;
DOI:10.1039/b101417j