((2R,3S,4R)-3,4-bis(benzyloxy)-5-(2-bromobenzo[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-bromobenzo[b]-thiophen-3-yl)-3,4-dihydro-2H-pyran-2-yl)methyl acetate
CAS No.:1620823-70-2
Molecular Formula:C₃₀H₂₇BrO₅S
Molecular Weight:579.511
Hs Code.:

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

Suppliers and Price of ((2R,3S,4R)-3,4-bis(benzyloxy)-5-(2-bromobenzo[b]-thiophen-3-yl)-3,4-dihydro-2H-pyran-2-yl)methyl acetate

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

Manufacturers and distributors:

Manufacture/Brand
Chemicals and raw materials
Packaging
price

Total 0 raw suppliers

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

Chemical Property:

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:

Useful:

Technology Process of ((2R,3S,4R)-3,4-bis(benzyloxy)-5-(2-bromobenzo[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-bromobenzo[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: 60.0%

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

: 1620823-70-2
((2R,3S,4R)-3,4-bis(benzyloxy)-5-(2-bromobenzo[b]-thiophen-3-yl)-3,4-dihydro-2H-pyran-2-yl)methyl acetate

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

Reference yield:

: 1426171-83-6
(2R,3S,4R,4aR,10bR)-3,4-bis(benzyloxy)-2-(benzyloxymethyl)-2,3,4,4a,5,10b-hexahydrothiochromeno[4,3-b]pyran

: 1620823-70-2
((2R,3S,4R)-3,4-bis(benzyloxy)-5-(2-bromobenzo[b]-thiophen-3-yl)-3,4-dihydro-2H-pyran-2-yl)methyl acetate

Guidance literature:: Multi-step reaction with 4 steps

1: sulfuric acid / 0.25 h / 20 °C

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

3: sodium acetate / acetic anhydride / 140 °C

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

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

Reference yield:

: C₂₉H₃₀O₆S

: 1620823-70-2
((2R,3S,4R)-3,4-bis(benzyloxy)-5-(2-bromobenzo[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; Bromoform / water / 6 h / 35 °C

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