methyl (S)-4-(4-bromo-2-chlorophenyl)-2-t-butoxycarbonylamino-2-methyl butyrate

Base Information

Chemical Name:methyl (S)-4-(4-bromo-2-chlorophenyl)-2-t-butoxycarbonylamino-2-methyl butyrate
CAS No.:1260511-60-1
Molecular Formula:C₁₇H₂₃BrClNO₄
Molecular Weight:420.731
Hs Code.:

Synonyms:methyl (S)-4-(4-bromo-2-chlorophenyl)-2-t-butoxycarbonylamino-2-methyl butyrate

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Chemical Property of methyl (S)-4-(4-bromo-2-chlorophenyl)-2-t-butoxycarbonylamino-2-methyl butyrate

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Technology Process of methyl (S)-4-(4-bromo-2-chlorophenyl)-2-t-butoxycarbonylamino-2-methyl butyrate

There total 2 articles about methyl (S)-4-(4-bromo-2-chlorophenyl)-2-t-butoxycarbonylamino-2-methyl butyrate 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:

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

: 1260511-58-7
(2S,5R)-2-(4-bromo-2-chlorophenyl)ethyl-3,6-dimethoxy-2-methyl-5-isopropyl-2,5-dihydropyrazine

: 1260511-60-1
methyl (S)-4-(4-bromo-2-chlorophenyl)-2-t-butoxycarbonylamino-2-methyl butyrate

Guidance literature:: (2S,5R)-2-(4-bromo-2-chlorophenyl)ethyl-3,6-dimethoxy-2-methyl-5-isopropyl-2,5-dihydropyrazine; With hydrogenchloride; In 1,4-dioxane; at 20 ℃; for 1h;

di-tert-butyl dicarbonate; In acetonitrile; at 20 ℃; for 1h;

Reference yield:

: 916516-91-1
4-bromo-2-chloro-1-(2-iodoethyl)benzene

: 1260511-60-1
methyl (S)-4-(4-bromo-2-chlorophenyl)-2-t-butoxycarbonylamino-2-methyl butyrate

Guidance literature:: Multi-step reaction with 2 steps

1.1: n-butyllithium / hexane; tetrahydrofuran / 0.5 h / -78 °C / Inert atmosphere

1.2: 1.5 h / -78 - 0 °C

2.1: hydrogenchloride / 1,4-dioxane / 1 h / 20 °C

2.2: 1 h / 20 °C

With hydrogenchloride; n-butyllithium; In tetrahydrofuran; 1,4-dioxane; hexane;