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

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Chemical Name:(2R,3S,4R)-3,4-bis(benzyloxy)-2-((benzyloxy)methyl)-5-(2-chloro-5-methyl benzo[b]thiophen-3-yl)-3,4-dihydro-2H-pyran
CAS No.:1620823-64-4
Molecular Formula:C₃₆H₃₃ClO₄S
Molecular Weight:597.175
Hs Code.:

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

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

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

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

: 1581758-05-5
(2R,3S,4R,10aS)-3,4-bis(benzyloxy)-2-(benzyloxymethyl)-7-methyl-2,3,4,10a-tetrahydrothiochromeno[2,3-b]pyran

: 1620823-64-4
(2R,3S,4R)-3,4-bis(benzyloxy)-2-((benzyloxy)methyl)-5-(2-chloro-5-methyl benzo[b]thiophen-3-yl)-3,4-dihydro-2H-pyran

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:

: (2R,3S,4R,4aR,10bR)-3,4-bis(benzyloxy)-2-(benzyloxymethyl)-9-methyl-2,3,4,4a,5,10b-hexahydro-S-oxothiochromeno[4,3-b]pyran

: 1620823-64-4
(2R,3S,4R)-3,4-bis(benzyloxy)-2-((benzyloxy)methyl)-5-(2-chloro-5-methyl benzo[b]thiophen-3-yl)-3,4-dihydro-2H-pyran

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