4-[2-tert-butoxycarbonylamino-3-(tert-butyl-dimethyl-silanyloxy)-3-(1-trityl-1H-imidazol-4-yl)-propionylamino]-3-hydroxy-2-methyl-pentanoic acid

Base Information

• Chemical Name: 4-[2-tert-butoxycarbonylamino-3-(tert-butyl-dimethyl-silanyloxy)-3-(1-trityl-1H-imidazol-4-yl)-propionylamino]-3-hydroxy-2-methyl-pentanoic acid
• CAS No.: 325990-97-4
• Molecular Formula: C₄₂H₅₆N₄O₇Si
• Molecular Weight: 757.015
• Mol file: 325990-97-4.mol

Synonyms:4-[2-tert-butoxycarbonylamino-3-(tert-butyl-dimethyl-silanyloxy)-3-(1-trityl-1H-imidazol-4-yl)-propionylamino]-3-hydroxy-2-methyl-pentanoic acid

Chemical Property of 4-[2-tert-butoxycarbonylamino-3-(tert-butyl-dimethyl-silanyloxy)-3-(1-trityl-1H-imidazol-4-yl)-propionylamino]-3-hydroxy-2-methyl-pentanoic acid

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 4-[2-tert-butoxycarbonylamino-3-(tert-butyl-dimethyl-silanyloxy)-3-(1-trityl-1H-imidazol-4-yl)-propionylamino]-3-hydroxy-2-methyl-pentanoic acid

There total 3 articles about 4-[2-tert-butoxycarbonylamino-3-(tert-butyl-dimethyl-silanyloxy)-3-(1-trityl-1H-imidazol-4-yl)-propionylamino]-3-hydroxy-2-methyl-pentanoic acid 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: 72.0%

4-[2-tert-butoxycarbonylamino-3-(tert-butyl-dimethyl-silanyloxy)-3-(1-trityl-1H-imidazol-4-yl)-propionylamino]-3-hydroxy-2-methyl-pentanoic acid methyl ester (325991-00-2) → 4-[2-tert-butoxycarbonylamino-3-(tert-butyl-dimethyl-silanyloxy)-3-(1-trityl-1H-imidazol-4-yl)-propionylamino]-3-hydroxy-2-methyl-pentanoic acid (325990-97-4)

Guidance literature:

With lithium hydroxide;

DOI:10.1016/S0040-4039(00)01633-6

Reference yield:

(2S,3S,4R)-4-Amino-3-hydroxy-2-methyl-pentanoic acid methyl ester; hydrochloride → 4-[2-tert-butoxycarbonylamino-3-(tert-butyl-dimethyl-silanyloxy)-3-(1-trityl-1H-imidazol-4-yl)-propionylamino]-3-hydroxy-2-methyl-pentanoic acid (325990-97-4)

Guidance literature:

Multi-step reaction with 2 steps

1: 69 percent / EDCl; HOAt; NaHCO₃ / CH₂Cl₂; dimethylformamide / 0 °C

2: 72 percent / LiOH

With lithium hydroxide; 1-hydroxy-7-aza-benzotriazole; sodium hydrogencarbonate; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; In dichloromethane; N,N-dimethyl-formamide;

DOI:10.1016/S0040-4039(00)01633-6

Reference yield:

2-tert-butoxycarbonylamino-3-(tert-butyl-dimethyl-silanyloxy)-3-(1-trityl-1H-imidazol-4-yl)-propionic acid → 4-[2-tert-butoxycarbonylamino-3-(tert-butyl-dimethyl-silanyloxy)-3-(1-trityl-1H-imidazol-4-yl)-propionylamino]-3-hydroxy-2-methyl-pentanoic acid (325990-97-4)

Guidance literature:

Multi-step reaction with 2 steps

1: 69 percent / EDCl; HOAt; NaHCO₃ / CH₂Cl₂; dimethylformamide / 0 °C

2: 72 percent / LiOH

With lithium hydroxide; 1-hydroxy-7-aza-benzotriazole; sodium hydrogencarbonate; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; In dichloromethane; N,N-dimethyl-formamide;

DOI:10.1016/S0040-4039(00)01633-6

upstream raw materials:

4-[2-tert-butoxycarbonylamino-3-(tert-butyl-dimethyl-silanyloxy)-3-(1-trityl-1H-imidazol-4-yl)-propionylamino]-3-hydroxy-2-methyl-pentanoic acid methyl ester