ethyl 2-O-p-methoxybenzyl-4,6-di-O-benzylidene-3-O-(4-bromomethylphenylmethyl)-1-thio-β-D-galactopyranoside

Base Information

Chemical Name:ethyl 2-O-p-methoxybenzyl-4,6-di-O-benzylidene-3-O-(4-bromomethylphenylmethyl)-1-thio-β-D-galactopyranoside
CAS No.:364629-96-9
Molecular Formula:C₃₁H₃₅BrO₆S
Molecular Weight:615.585
Hs Code.:

Synonyms:ethyl 2-O-p-methoxybenzyl-4,6-di-O-benzylidene-3-O-(4-bromomethylphenylmethyl)-1-thio-β-D-galactopyranoside

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Chemical Property of ethyl 2-O-p-methoxybenzyl-4,6-di-O-benzylidene-3-O-(4-bromomethylphenylmethyl)-1-thio-β-D-galactopyranoside

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Technology Process of ethyl 2-O-p-methoxybenzyl-4,6-di-O-benzylidene-3-O-(4-bromomethylphenylmethyl)-1-thio-β-D-galactopyranoside

There total 7 articles about ethyl 2-O-p-methoxybenzyl-4,6-di-O-benzylidene-3-O-(4-bromomethylphenylmethyl)-1-thio-β-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: 61.0%

: 623-24-5
1,4-bis(bromomethyl)benzene

: 206857-26-3
ethyl 2-O-p-methoxybenzyl-4,6-di-O-benzylidene-1-thio-β-D-galactopyranoside

: 364629-96-9
ethyl 2-O-p-methoxybenzyl-4,6-di-O-benzylidene-3-O-(4-bromomethylphenylmethyl)-1-thio-β-D-galactopyranoside

Guidance literature:: With sodium hydride; In N,N-dimethyl-formamide; at 22 ℃;
DOI:10.1016/S0968-0896(01)00015-3

Reference yield:

: 1125-88-8
benzaldehyde dimethyl acetal

: 364629-96-9
ethyl 2-O-p-methoxybenzyl-4,6-di-O-benzylidene-3-O-(4-bromomethylphenylmethyl)-1-thio-β-D-galactopyranoside

Guidance literature:: Multi-step reaction with 2 steps

1: 62 percent / p-toluenesulfonic acid / acetonitrile / 22 °C

2: 61 percent / NaH / dimethylformamide / 22 °C

With sodium hydride; toluene-4-sulfonic acid; In N,N-dimethyl-formamide; acetonitrile;
DOI:10.1016/S0968-0896(01)00015-3

Reference yield:

: 172146-95-1
ethyl 3,4-O-isopropylidene-1-thio-β-D-galactopyranoside

: 364629-96-9
ethyl 2-O-p-methoxybenzyl-4,6-di-O-benzylidene-3-O-(4-bromomethylphenylmethyl)-1-thio-β-D-galactopyranoside

Guidance literature:: Multi-step reaction with 5 steps

1: 100 percent / pyridine / 5 h

2: 64 percent / NaH / dimethylformamide / 2 h / 22 °C

3: 78 percent / aq. AcOH / 1.5 h / 60 °C

4: 62 percent / p-toluenesulfonic acid / acetonitrile / 22 °C

5: 61 percent / NaH / dimethylformamide / 22 °C

With sodium hydride; toluene-4-sulfonic acid; acetic acid; In pyridine; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1016/S0968-0896(01)00015-3