(4aR,6R,7S,8aR)-7-Benzyloxy-6-methoxy-2-phenyl-tetrahydro-pyrano[3,2-d][1,3]dioxin-8-one

Base Information

Chemical Name:(4aR,6R,7S,8aR)-7-Benzyloxy-6-methoxy-2-phenyl-tetrahydro-pyrano[3,2-d][1,3]dioxin-8-one
CAS No.:68044-34-8
Molecular Formula:C₂₁H₂₂O₆
Molecular Weight:370.402
Hs Code.:

Synonyms:(4aR,6R,7S,8aR)-7-Benzyloxy-6-methoxy-2-phenyl-tetrahydro-pyrano[3,2-d][1,3]dioxin-8-one

Suppliers and Price of (4aR,6R,7S,8aR)-7-Benzyloxy-6-methoxy-2-phenyl-tetrahydro-pyrano[3,2-d][1,3]dioxin-8-one

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

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Chemical Property of (4aR,6R,7S,8aR)-7-Benzyloxy-6-methoxy-2-phenyl-tetrahydro-pyrano[3,2-d][1,3]dioxin-8-one

Chemical Property:

Purity/Quality:: 98% ^*data from raw suppliers

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Technology Process of (4aR,6R,7S,8aR)-7-Benzyloxy-6-methoxy-2-phenyl-tetrahydro-pyrano[3,2-d][1,3]dioxin-8-one

There total 10 articles about (4aR,6R,7S,8aR)-7-Benzyloxy-6-methoxy-2-phenyl-tetrahydro-pyrano[3,2-d][1,3]dioxin-8-one 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: 94.0%

: 15038-71-8,15384-58-4,23392-29-2,40653-23-4,57539-07-8,76375-66-1,78185-83-8,81872-62-0,86363-45-3,90639-38-6,108739-91-9,116002-34-7,130192-76-6,131433-04-0,141115-75-5
methyl 2-O-benzyl-4,6-O-benzylidene-β-D-glucopyranoside

: 68044-34-8
(4aR,6R,7S,8aR)-7-Benzyloxy-6-methoxy-2-phenyl-tetrahydro-pyrano[3,2-d][1,3]dioxin-8-one

Guidance literature:: With oxalyl dichloride; dimethyl sulfoxide; In dichloromethane; at -78 ℃; for 0.5h;
DOI:10.1016/S0008-6215(97)00168-7

Reference yield: 64.0%

: 108739-91-9
methyl 4,6-O-benzylidene-β-D-galactopyranoside 2-O-benzoate

: 68044-34-8,108739-96-4,109010-30-2,134175-76-1,141115-76-6
(2R,4aR,6R,7S,8aS)-7-Benzyloxy-6-methoxy-2-phenyl-tetrahydro-pyrano[3,2-d][1,3]dioxin-8-one

: 108739-96-4
methyl 2-O-benzyl-4,6-O-benzylidene-β-D-xylo-hexopyranosid-3-ulose

Guidance literature:: With oxalyl dichloride; dimethyl sulfoxide; In dichloromethane; at -45 ℃; for 0.75h; Yields of byproduct given;
DOI:10.1016/S0008-6215(00)90292-1

Reference yield:

: 1125-88-8
benzaldehyde dimethyl acetal

: 68044-34-8,108739-96-4,109010-30-2,134175-76-1,141115-76-6
(2R,4aR,6R,7S,8aS)-7-Benzyloxy-6-methoxy-2-phenyl-tetrahydro-pyrano[3,2-d][1,3]dioxin-8-one

Guidance literature:: Multi-step reaction with 3 steps

1: 80 percent / toluene-p-sulfonic acid / acetonitrile / 16 h / Ambient temperature

2: 30 percent / 1.25M sodium hydroxide, tetrabutylammonium hydrogensulfate / CH₂Cl₂ / 24 h / Heating

3: oxalyl chloride, methyl sulfoxide / CH₂Cl₂ / 0.75 h / -45 °C

With sodium hydroxide; oxalyl dichloride; tetra(n-butyl)ammonium hydrogensulfate; toluene-4-sulfonic acid; dimethyl sulfoxide; In dichloromethane; acetonitrile;
DOI:10.1016/S0008-6215(00)90292-1