(2'S,3'S,4R,5R,6S)-2-bromo-4-O-benzyl-5-O,6-O-(2',3'-dimethoxybutane-2',3'-diyl)cyclohex-2-en-1-one-3,4,5-triol

Base Information

Chemical Name:(2'S,3'S,4R,5R,6S)-2-bromo-4-O-benzyl-5-O,6-O-(2',3'-dimethoxybutane-2',3'-diyl)cyclohex-2-en-1-one-3,4,5-triol
CAS No.:596834-81-0
Molecular Formula:C₁₉H₂₃BrO₆
Molecular Weight:427.292
Hs Code.:

Synonyms:(2'S,3'S,4R,5R,6S)-2-bromo-4-O-benzyl-5-O,6-O-(2',3'-dimethoxybutane-2',3'-diyl)cyclohex-2-en-1-one-3,4,5-triol

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Chemical Property of (2'S,3'S,4R,5R,6S)-2-bromo-4-O-benzyl-5-O,6-O-(2',3'-dimethoxybutane-2',3'-diyl)cyclohex-2-en-1-one-3,4,5-triol

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Technology Process of (2'S,3'S,4R,5R,6S)-2-bromo-4-O-benzyl-5-O,6-O-(2',3'-dimethoxybutane-2',3'-diyl)cyclohex-2-en-1-one-3,4,5-triol

There total 4 articles about (2'S,3'S,4R,5R,6S)-2-bromo-4-O-benzyl-5-O,6-O-(2',3'-dimethoxybutane-2',3'-diyl)cyclohex-2-en-1-one-3,4,5-triol 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: 78.0%

: 596834-80-9
(2'S,3'S,3R,4R,5S)-1-bromo-3-O-benzyl-4-O,5-O-(2',3'-dimethoxybutane-2',3'-diyl)cyclohex-1-ene-3,4,5,6-tetraol

: 596834-81-0
(2'S,3'S,4R,5R,6S)-2-bromo-4-O-benzyl-5-O,6-O-(2',3'-dimethoxybutane-2',3'-diyl)cyclohex-2-en-1-one-3,4,5-triol

Guidance literature:: (2'S,3'S,3R,4R,5S)-1-bromo-3-O-benzyl-4-O,5-O-(2',3'-dimethoxybutane-2',3'-diyl)cyclohex-1-ene-3,4,5,6-tetraol; With oxalyl dichloride; dimethyl sulfoxide; In dichloromethane; at -78 ℃;

With triethylamine; In dichloromethane; at -78 - 20 ℃;
DOI:10.1016/S0040-4020(03)00697-5

Reference yield:

: 137501-12-3,130669-72-6
(3aS,4R,5R,7aS)-7-bromo-2,2-dimethyl-3a,4,5,7a-tetrahydrobenzo[d][1,3]dioxole-4,5-diol

: 596834-81-0
(2'S,3'S,4R,5R,6S)-2-bromo-4-O-benzyl-5-O,6-O-(2',3'-dimethoxybutane-2',3'-diyl)cyclohex-2-en-1-one-3,4,5-triol

Guidance literature:: Multi-step reaction with 3 steps

1.1: dibutyltinoxide / toluene / 5.5 h / Heating

1.2: 63 percent / CsF / dimethylformamide / 18 h / 20 °C

2.1: CSA; trimethyl-orthoformate / 24 h / Heating

3.1: ClCOCOCl; DMSO / CH₂Cl₂ / -78 °C

3.2: 78 percent / Et₃N / CH₂Cl₂ / -78 - 20 °C

With oxalyl dichloride; camphor-10-sulfonic acid; di(n-butyl)tin oxide; dimethyl sulfoxide; trimethyl orthoformate; In dichloromethane; toluene; 3.1: Swern oxidation;
DOI:10.1016/S0040-4020(03)00697-5

Reference yield:

: 596834-79-6
(3R,4R,5S,6S)-1-bromo-3-benzyloxy-4-hydroxy-5,6-(isopropylidenedioxy)cyclohex-1-ene

: 596834-81-0
(2'S,3'S,4R,5R,6S)-2-bromo-4-O-benzyl-5-O,6-O-(2',3'-dimethoxybutane-2',3'-diyl)cyclohex-2-en-1-one-3,4,5-triol

Guidance literature:: Multi-step reaction with 2 steps

1.1: CSA; trimethyl-orthoformate / 24 h / Heating

2.1: ClCOCOCl; DMSO / CH₂Cl₂ / -78 °C

2.2: 78 percent / Et₃N / CH₂Cl₂ / -78 - 20 °C

With oxalyl dichloride; camphor-10-sulfonic acid; dimethyl sulfoxide; trimethyl orthoformate; In dichloromethane; 2.1: Swern oxidation;
DOI:10.1016/S0040-4020(03)00697-5