methyl 2,3-di-O-<(S)-(1-ethoxycarbonyl)ethylidene>-α-D-galactopyranoside

Base Information

Chemical Name:methyl 2,3-di-O-<(S)-(1-ethoxycarbonyl)ethylidene>-α-D-galactopyranoside
CAS No.:118545-23-6
Molecular Formula:C₂₆H₃₂O₈
Molecular Weight:472.535
Hs Code.:

Synonyms:methyl 2,3-di-O-<(S)-(1-ethoxycarbonyl)ethylidene>-α-D-galactopyranoside

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Chemical Property of methyl 2,3-di-O-<(S)-(1-ethoxycarbonyl)ethylidene>-α-D-galactopyranoside

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Technology Process of methyl 2,3-di-O-<(S)-(1-ethoxycarbonyl)ethylidene>-α-D-galactopyranoside

There total 3 articles about methyl 2,3-di-O-<(S)-(1-ethoxycarbonyl)ethylidene>-α-D-galactopyranoside 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: 33.0%

: 617-35-6
2-oxo-propionic acid ethyl ester

: 118545-13-4
methyl 2,3-di-O-benzyl-6-O-(tert-butyldimethylsilyl)-4-O-trimethylsilyl-α-D-galactopyranoside

: 118545-19-0
methyl 2,3-di-O-benzyl-4,6-O-<(R)-(1-ethoxycarbonyl)ethylidene>-α-D-galactopyranoside

: 118545-23-6
methyl 2,3-di-O-<(S)-(1-ethoxycarbonyl)ethylidene>-α-D-galactopyranoside

Guidance literature:: With trimethylsilyl trifluoromethanesulfonate; In diethyl ether; at -5 ℃; for 48h;
DOI:10.1016/0008-6215(88)85070-5

Reference yield:

: 29388-46-3
methyl 2,3-di-O-benzyl-α-D-galactopyranoside

: 118545-23-6
methyl 2,3-di-O-<(S)-(1-ethoxycarbonyl)ethylidene>-α-D-galactopyranoside

Guidance literature:: Multi-step reaction with 3 steps

1: imidazole / dimethylformamide / 1 h

2: imidazole / dimethylformamide / 0.08 h

3: 32 percent / TMSOTf / CH₂Cl₂ / 48 h / -5 °C

With 1H-imidazole; trimethylsilyl trifluoromethanesulfonate; In dichloromethane; N,N-dimethyl-formamide;
DOI:10.1016/S0040-4020(01)89567-3

Reference yield:

: 118545-12-3
methyl 2,3-di-O-benzyl-6-O-[(tert-butyl)dimethylsilyl]-α-D-galactopyranoside

: 118545-23-6
methyl 2,3-di-O-<(S)-(1-ethoxycarbonyl)ethylidene>-α-D-galactopyranoside

Guidance literature:: Multi-step reaction with 2 steps

1: imidazole / dimethylformamide / 0.08 h

2: 32 percent / TMSOTf / CH₂Cl₂ / 48 h / -5 °C

With 1H-imidazole; trimethylsilyl trifluoromethanesulfonate; In dichloromethane; N,N-dimethyl-formamide;
DOI:10.1016/S0040-4020(01)89567-3