(R)-[(R)-2-(3,5-Bis-benzyloxy-4-methoxy-phenyl)-2-tert-butoxycarbonylamino-ethylamino]-(3-bromo-4-methoxy-phenyl)-acetic acid methyl ester

Base Information

Chemical Name:(R)-[(R)-2-(3,5-Bis-benzyloxy-4-methoxy-phenyl)-2-tert-butoxycarbonylamino-ethylamino]-(3-bromo-4-methoxy-phenyl)-acetic acid methyl ester
CAS No.:881392-50-3
Molecular Formula:C₃₈H₄₃BrN₂O₈
Molecular Weight:735.672
Hs Code.:

Synonyms:(R)-[(R)-2-(3,5-Bis-benzyloxy-4-methoxy-phenyl)-2-tert-butoxycarbonylamino-ethylamino]-(3-bromo-4-methoxy-phenyl)-acetic acid methyl ester

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Chemical Property of (R)-[(R)-2-(3,5-Bis-benzyloxy-4-methoxy-phenyl)-2-tert-butoxycarbonylamino-ethylamino]-(3-bromo-4-methoxy-phenyl)-acetic acid methyl ester

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Technology Process of (R)-[(R)-2-(3,5-Bis-benzyloxy-4-methoxy-phenyl)-2-tert-butoxycarbonylamino-ethylamino]-(3-bromo-4-methoxy-phenyl)-acetic acid methyl ester

There total 2 articles about (R)-[(R)-2-(3,5-Bis-benzyloxy-4-methoxy-phenyl)-2-tert-butoxycarbonylamino-ethylamino]-(3-bromo-4-methoxy-phenyl)-acetic 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: 75.0%

: 881392-49-0
[1-(3,5-bis-benzyloxy-4-methoxy-phenyl)-2-oxo-ethyl]-carbamic acid tert-butyl ester

: 192328-48-6
(R)-Amino-(3-bromo-4-methoxy-phenyl)-acetic acid methyl ester

: 881392-50-3
(R)-[(R)-2-(3,5-Bis-benzyloxy-4-methoxy-phenyl)-2-tert-butoxycarbonylamino-ethylamino]-(3-bromo-4-methoxy-phenyl)-acetic acid methyl ester

Guidance literature:: [1-(3,5-bis-benzyloxy-4-methoxy-phenyl)-2-oxo-ethyl]-carbamic acid tert-butyl ester; (R)-Amino-(3-bromo-4-methoxy-phenyl)-acetic acid methyl ester; In methanol; at 0 ℃; for 1h; Molecular sieve;

With sodium cyanoborohydride; acetic acid; In methanol; at -20 ℃; for 48h; pH=6;

Reference yield:

: 199393-34-5
[(R)-1-(3,5-Bis-benzyloxy-4-methoxy-phenyl)-2-hydroxy-ethyl]-carbamic acid tert-butyl ester

: 881392-50-3
(R)-[(R)-2-(3,5-Bis-benzyloxy-4-methoxy-phenyl)-2-tert-butoxycarbonylamino-ethylamino]-(3-bromo-4-methoxy-phenyl)-acetic acid methyl ester

Guidance literature:: Multi-step reaction with 2 steps

1.1: Dess-Martin periodinane / CH₂Cl₂ / 0 - 25 °C

2.1: 3 Angstroem molecular sieves / methanol / 1 h / 0 °C

2.2: 19.40 g / NaBCNH₃; AcOH / methanol / 48 h / -20 °C / pH 6

With 3 A molecular sieve; Dess-Martin periodane; In methanol; dichloromethane;
DOI:10.1021/ja0572912