(1R,2R,3S,4S,5R)-3,4-Bis-allyloxy-2-benzyloxy-6,8-dioxa-bicyclo[3.2.1]octane

Base Information

Chemical Name:(1R,2R,3S,4S,5R)-3,4-Bis-allyloxy-2-benzyloxy-6,8-dioxa-bicyclo[3.2.1]octane
CAS No.:128377-02-6
Molecular Formula:C₁₉H₂₄O₅
Molecular Weight:332.397
Hs Code.:

Synonyms:(1R,2R,3S,4S,5R)-3,4-Bis-allyloxy-2-benzyloxy-6,8-dioxa-bicyclo[3.2.1]octane

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Chemical Property of (1R,2R,3S,4S,5R)-3,4-Bis-allyloxy-2-benzyloxy-6,8-dioxa-bicyclo[3.2.1]octane

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Technology Process of (1R,2R,3S,4S,5R)-3,4-Bis-allyloxy-2-benzyloxy-6,8-dioxa-bicyclo[3.2.1]octane

There total 3 articles about (1R,2R,3S,4S,5R)-3,4-Bis-allyloxy-2-benzyloxy-6,8-dioxa-bicyclo[3.2.1]octane 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: 37.0%

: 67831-42-9
benzyl 2,3,6-tri-O-benzyl-β-D-glucopyranoside

: 128376-93-2
(2R,3S,4S,5R,6R)-3,4-Bis-allyloxy-5-benzyloxy-6-benzyloxymethyl-2-bromo-tetrahydro-pyran

: 128377-02-6
(1R,2R,3S,4S,5R)-3,4-Bis-allyloxy-2-benzyloxy-6,8-dioxa-bicyclo[3.2.1]octane

: 128377-00-4
benzyl O-(2,3-di-O-allyl-4,6-di-O-benzyl-β-D-mannopyranosyl)-(1->4)-2,3,6-tri-O-benzyl-β-D-glucopyranoside

: 128377-01-5
benzyl O-(2,3-di-O-allyl-4,6-di-O-benzyl-α-D-mannopyranosyl)-(1->4)-2,3,6-tri-O-benzyl-β-D-glucopyranoside

Guidance literature:: With silver silicate; In dichloromethane; at 20 ℃; for 15h; molecular sieve (MS₄A), other solvents : toluene, nitromethane;
DOI:10.1016/0008-6215(90)84167-S

Reference yield:

: 57783-66-1
benzyl 4,6-O-benzylidene-2,3-tri-O-benzyl-β-D-glucopyranoside

: 128377-02-6
(1R,2R,3S,4S,5R)-3,4-Bis-allyloxy-2-benzyloxy-6,8-dioxa-bicyclo[3.2.1]octane

Guidance literature:: Multi-step reaction with 3 steps

1: 86 percent / 80 percent aq. AcOH / 1 h / 95 °C

2: 1) (Bu₃Sn)2O, 2) Bu₄NBr / 1) toluene, reflux, 2h, 2) 90 deg C, 15h

3: 4 percent / Ag silicate / CH₂Cl₂ / 15 h / 20 °C / molecular sieve (MS₄A), other solvents : toluene, nitromethane

With silver silicate; tetrabutylammomium bromide; acetic acid; bis(tri-n-butyltin)oxide; In dichloromethane;
DOI:10.1016/0008-6215(90)84167-S

Reference yield:

: 67831-41-8
benzyl 2,3-di-O-benzyl-β-D-glucopyranoside

: 128377-02-6
(1R,2R,3S,4S,5R)-3,4-Bis-allyloxy-2-benzyloxy-6,8-dioxa-bicyclo[3.2.1]octane

Guidance literature:: Multi-step reaction with 2 steps

1: 1) (Bu₃Sn)2O, 2) Bu₄NBr / 1) toluene, reflux, 2h, 2) 90 deg C, 15h

2: 4 percent / Ag silicate / CH₂Cl₂ / 15 h / 20 °C / molecular sieve (MS₄A), other solvents : toluene, nitromethane

With silver silicate; tetrabutylammomium bromide; bis(tri-n-butyltin)oxide; In dichloromethane;
DOI:10.1016/0008-6215(90)84167-S