((2R,3S,4R)-3,4-bis(benzyloxy)-5-(2-chlorobenzo[b]-thiophen-3-yl)-3,4-dihydro-2H-pyran-2-yl)methyl acetate

Base Information

Chemical Name:((2R,3S,4R)-3,4-bis(benzyloxy)-5-(2-chlorobenzo[b]-thiophen-3-yl)-3,4-dihydro-2H-pyran-2-yl)methyl acetate
CAS No.:1620823-68-8
Molecular Formula:C₃₀H₂₇ClO₅S
Molecular Weight:535.06
Hs Code.:

Synonyms:((2R,3S,4R)-3,4-bis(benzyloxy)-5-(2-chlorobenzo[b]-thiophen-3-yl)-3,4-dihydro-2H-pyran-2-yl)methyl acetate

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Chemical Property of ((2R,3S,4R)-3,4-bis(benzyloxy)-5-(2-chlorobenzo[b]-thiophen-3-yl)-3,4-dihydro-2H-pyran-2-yl)methyl acetate

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Technology Process of ((2R,3S,4R)-3,4-bis(benzyloxy)-5-(2-chlorobenzo[b]-thiophen-3-yl)-3,4-dihydro-2H-pyran-2-yl)methyl acetate

There total 4 articles about ((2R,3S,4R)-3,4-bis(benzyloxy)-5-(2-chlorobenzo[b]-thiophen-3-yl)-3,4-dihydro-2H-pyran-2-yl)methyl acetate 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: 68.0%

: ((2R,3S,4R)-3,4-bis(benzyloxy)-2,3,410a-tetrahydrothiochromeno[2,3-b]pyran-2-yl)methyl acetate

: 1620823-68-8
((2R,3S,4R)-3,4-bis(benzyloxy)-5-(2-chlorobenzo[b]-thiophen-3-yl)-3,4-dihydro-2H-pyran-2-yl)methyl acetate

Guidance literature:: With chloroform; N-benzyl-N,N,N-triethylammonium chloride; sodium hydroxide; In water; at 35 ℃; for 6h;
DOI:10.1021/jo5012762

Reference yield:

: C₂₉H₃₀O₆S

: 1620823-68-8
((2R,3S,4R)-3,4-bis(benzyloxy)-5-(2-chlorobenzo[b]-thiophen-3-yl)-3,4-dihydro-2H-pyran-2-yl)methyl acetate

Guidance literature:: Multi-step reaction with 2 steps

1: sodium acetate / acetic anhydride / 140 °C

2: sodium hydroxide; N-benzyl-N,N,N-triethylammonium chloride; chloroform / water / 6 h / 35 °C

With chloroform; N-benzyl-N,N,N-triethylammonium chloride; sodium acetate; sodium hydroxide; In water; acetic anhydride;
DOI:10.1021/jo5012762

Reference yield:

: 1620823-86-0
((2R,3S,4R,4aR,10bR)-3,4-bis(benzyloxy)-2,3,4,4a,5,10b-hexahydrothiochromeno[4,3-b]pyran-2-yl)methyl acetate

: 1620823-68-8
((2R,3S,4R)-3,4-bis(benzyloxy)-5-(2-chlorobenzo[b]-thiophen-3-yl)-3,4-dihydro-2H-pyran-2-yl)methyl acetate

Guidance literature:: Multi-step reaction with 3 steps

1: aluminum oxide; Oxone / water; dichloromethane / 3 h / 20 °C

2: sodium acetate / acetic anhydride / 140 °C

3: sodium hydroxide; N-benzyl-N,N,N-triethylammonium chloride; chloroform / water / 6 h / 35 °C

With aluminum oxide; Oxone; chloroform; N-benzyl-N,N,N-triethylammonium chloride; sodium acetate; sodium hydroxide; In dichloromethane; water; acetic anhydride;
DOI:10.1021/jo5012762