((R)-1,2-Diphenyl-ethyl)-[(S)-2-(5-hydroxy-2,4-dimethoxy-3-methyl-phenyl)-1-hydroxymethyl-ethyl]-carbamic acid tert-butyl ester

Base Information

Chemical Name:((R)-1,2-Diphenyl-ethyl)-[(S)-2-(5-hydroxy-2,4-dimethoxy-3-methyl-phenyl)-1-hydroxymethyl-ethyl]-carbamic acid tert-butyl ester
CAS No.:866110-62-5
Molecular Formula:C₃₁H₃₉NO₆
Molecular Weight:521.654
Hs Code.:

Synonyms:((R)-1,2-Diphenyl-ethyl)-[(S)-2-(5-hydroxy-2,4-dimethoxy-3-methyl-phenyl)-1-hydroxymethyl-ethyl]-carbamic acid tert-butyl ester

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Chemical Property of ((R)-1,2-Diphenyl-ethyl)-[(S)-2-(5-hydroxy-2,4-dimethoxy-3-methyl-phenyl)-1-hydroxymethyl-ethyl]-carbamic acid tert-butyl ester

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Technology Process of ((R)-1,2-Diphenyl-ethyl)-[(S)-2-(5-hydroxy-2,4-dimethoxy-3-methyl-phenyl)-1-hydroxymethyl-ethyl]-carbamic acid tert-butyl ester

There total 4 articles about ((R)-1,2-Diphenyl-ethyl)-[(S)-2-(5-hydroxy-2,4-dimethoxy-3-methyl-phenyl)-1-hydroxymethyl-ethyl]-carbamic 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:

: (S)-2-[tert-Butoxycarbonyl-((R)-1,2-diphenyl-ethyl)-amino]-3-(5-hydroxy-2,4-dimethoxy-3-methyl-phenyl)-propionic acid

: 866110-62-5
((R)-1,2-Diphenyl-ethyl)-[(S)-2-(5-hydroxy-2,4-dimethoxy-3-methyl-phenyl)-1-hydroxymethyl-ethyl]-carbamic acid tert-butyl ester

Guidance literature:: (S)-2-[tert-Butoxycarbonyl-((R)-1,2-diphenyl-ethyl)-amino]-3-(5-hydroxy-2,4-dimethoxy-3-methyl-phenyl)-propionic acid; With 4-methyl-morpholine; isobutyl chloroformate; In tetrahydrofuran; at 20 ℃; for 0.333333h;

With sodium tetrahydroborate; In tetrahydrofuran; water; at 0 ℃; for 2h;
DOI:10.1021/ja0535918

Reference yield:

: (5-benzyloxy-2,4-dimethoxy-3-methyl-phenyl)-methanol

: 866110-62-5
((R)-1,2-Diphenyl-ethyl)-[(S)-2-(5-hydroxy-2,4-dimethoxy-3-methyl-phenyl)-1-hydroxymethyl-ethyl]-carbamic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 4 steps

1.1: PPh₃; I₂; imidazole / CH₂Cl₂ / 0.5 h / 0 °C

2.1: NaHMDS / tetrahydrofuran / 0.75 h / -78 °C

2.2: 4.73 g / tetrahydrofuran / 4 h / -78 °C

3.1: H₂ / Pd/C / tetrahydrofuran; methanol / 18 h / 760 Torr

4.1: N-methylmorpholine; isobutyl chloroformate / tetrahydrofuran / 0.33 h / 20 °C

4.2: 740 mg / NaBH₄ / tetrahydrofuran; H₂O / 2 h / 0 °C

With 4-methyl-morpholine; 1H-imidazole; hydrogen; iodine; sodium hexamethyldisilazane; triphenylphosphine; isobutyl chloroformate; palladium on activated charcoal; In tetrahydrofuran; methanol; dichloromethane;
DOI:10.1021/ja0535918

Reference yield:

: 866110-56-7
1-Benzyloxy-5-iodomethyl-2,4-dimethoxy-3-methyl-benzene

: 866110-62-5
((R)-1,2-Diphenyl-ethyl)-[(S)-2-(5-hydroxy-2,4-dimethoxy-3-methyl-phenyl)-1-hydroxymethyl-ethyl]-carbamic acid tert-butyl ester

Guidance literature:: Multi-step reaction with 3 steps

1.1: NaHMDS / tetrahydrofuran / 0.75 h / -78 °C

1.2: 4.73 g / tetrahydrofuran / 4 h / -78 °C

2.1: H₂ / Pd/C / tetrahydrofuran; methanol / 18 h / 760 Torr

3.1: N-methylmorpholine; isobutyl chloroformate / tetrahydrofuran / 0.33 h / 20 °C

3.2: 740 mg / NaBH₄ / tetrahydrofuran; H₂O / 2 h / 0 °C

With 4-methyl-morpholine; hydrogen; sodium hexamethyldisilazane; isobutyl chloroformate; palladium on activated charcoal; In tetrahydrofuran; methanol;
DOI:10.1021/ja0535918