(2S)-5,7,3',4'-tetrakis(benzyloxy)flavan-4β,8-[(2S)-5,7,3',4'-tetramethoxyflavan]

Base Information

Chemical Name:(2S)-5,7,3',4'-tetrakis(benzyloxy)flavan-4β,8-[(2S)-5,7,3',4'-tetramethoxyflavan]
CAS No.:299412-39-8
Molecular Formula:C₆₂H₅₈O₁₀
Molecular Weight:963.137
Hs Code.:

Synonyms:(2S)-5,7,3',4'-tetrakis(benzyloxy)flavan-4β,8-[(2S)-5,7,3',4'-tetramethoxyflavan]

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Chemical Property of (2S)-5,7,3',4'-tetrakis(benzyloxy)flavan-4β,8-[(2S)-5,7,3',4'-tetramethoxyflavan]

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Technology Process of (2S)-5,7,3',4'-tetrakis(benzyloxy)flavan-4β,8-[(2S)-5,7,3',4'-tetramethoxyflavan]

There total 2 articles about (2S)-5,7,3',4'-tetrakis(benzyloxy)flavan-4β,8-[(2S)-5,7,3',4'-tetramethoxyflavan] 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: 70.0%

: 299412-38-7
thiocarbonic acid O-[5,7-bis-benzyloxy-2-(3,4-bis-benzyloxy-phenyl)-2'-(3,4-dimethoxy-phenyl)-5',7'-dimethoxy-3-phenoxythiocarbonyloxy-3,4,3',4'-tetrahydro-2H,2'H-[4,8']bichromenyl-3'-yl] ester O-phenyl ester

: 299412-39-8
(2S)-5,7,3',4'-tetrakis(benzyloxy)flavan-4β,8-[(2S)-5,7,3',4'-tetramethoxyflavan]

Guidance literature:: With 2,2'-azobis(isobutyronitrile); hypophosphorous acid; triethylamine; In 1,4-dioxane; for 3h; Heating;
DOI:10.1021/jo000485+

Reference yield:

: 299412-75-2
5,7,3',4'-tetra-O-benzylepicatechin-4β,8-(5,7,3',4'-tetra-O-methylepicatechin)

: 299412-39-8
(2S)-5,7,3',4'-tetrakis(benzyloxy)flavan-4β,8-[(2S)-5,7,3',4'-tetramethoxyflavan]

Guidance literature:: Multi-step reaction with 2 steps

1: 75 percent / DMAP / 1,2-dichloro-ethane / 49 h / 20 - 50 °C

2: 70 percent / H₃PO₂; Et₃N; AIBN / dioxane / 3 h / Heating

With dmap; 2,2'-azobis(isobutyronitrile); hypophosphorous acid; triethylamine; In 1,4-dioxane; 1,2-dichloro-ethane; 1: Acylation / 2: Reduction;
DOI:10.1021/jo000485+

Reference yield:

: 299412-39-8
(2S)-5,7,3',4'-tetrakis(benzyloxy)flavan-4β,8-[(2S)-5,7,3',4'-tetramethoxyflavan]

: 299412-45-6
2-(3,4-dihydroxy-phenyl)-2'-(3,4-dimethoxy-phenyl)-5',7'-dimethoxy-3,4,3',4'-tetrahydro-2H,2'H-[4,8']bichromenyl-5,7-diol

Guidance literature:: With hydrogen; palladium dihydroxide; In methanol; ethyl acetate; at 20 ℃; for 1.25h; under 750.075 Torr;
DOI:10.1021/jo000485+