methyl O-(2-O-acetyl-3-O-benzyl-4,6-O-benzylidene-α-D-mannopyranosyl)-(1->2)-3-O-benzyl-4,6-O-benzylidene-α-D-mannopyranoside

Base Information

Chemical Name:methyl O-(2-O-acetyl-3-O-benzyl-4,6-O-benzylidene-α-D-mannopyranosyl)-(1->2)-3-O-benzyl-4,6-O-benzylidene-α-D-mannopyranoside
CAS No.:192936-02-0
Molecular Formula:C₄₃H₄₆O₁₂
Molecular Weight:754.831
Hs Code.:

Synonyms:methyl O-(2-O-acetyl-3-O-benzyl-4,6-O-benzylidene-α-D-mannopyranosyl)-(1->2)-3-O-benzyl-4,6-O-benzylidene-α-D-mannopyranoside

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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 methyl O-(2-O-acetyl-3-O-benzyl-4,6-O-benzylidene-α-D-mannopyranosyl)-(1->2)-3-O-benzyl-4,6-O-benzylidene-α-D-mannopyranoside

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Technology Process of methyl O-(2-O-acetyl-3-O-benzyl-4,6-O-benzylidene-α-D-mannopyranosyl)-(1->2)-3-O-benzyl-4,6-O-benzylidene-α-D-mannopyranoside

There total 9 articles about methyl O-(2-O-acetyl-3-O-benzyl-4,6-O-benzylidene-α-D-mannopyranosyl)-(1->2)-3-O-benzyl-4,6-O-benzylidene-α-D-mannopyranoside 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: 73.0%

: 2774-19-8,14419-69-3,15887-67-9,23392-28-1,57539-08-9,61277-63-2,74410-51-8,76419-48-2,80734-73-2,86363-44-2,89301-79-1,94061-92-4,94062-87-0,108739-92-0,129706-93-0,143005-12-3,65877-21-6
(2R,4aR,6S,7S,8R,8aR)-8-Benzyloxy-6-methoxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-ol

: ethyl 2-O-acetyl-3-O-benzyl-4,6-O-benzylidene-1-thio-α-D-mannopyranoside

: 192936-02-0
methyl O-(2-O-acetyl-3-O-benzyl-4,6-O-benzylidene-α-D-mannopyranosyl)-(1->2)-3-O-benzyl-4,6-O-benzylidene-α-D-mannopyranoside

Guidance literature:: With 4 A molecular sieve; methyl trifluoromethanesulfonate; In toluene; at 20 ℃; for 18h;

Reference yield: 48.0%

: 2774-19-8,14419-69-3,15887-67-9,23392-28-1,57539-08-9,61277-63-2,74410-51-8,76419-48-2,80734-73-2,86363-44-2,89301-79-1,94061-92-4,94062-87-0,108739-92-0,129706-93-0,143005-12-3,65877-21-6
(2R,4aR,6S,7S,8R,8aR)-8-Benzyloxy-6-methoxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-ol

: 158716-09-7
phenyl 2-O-acetyl-3-O-benzyl-4,6-O-benzylidene-1-thio-α-D-mannopyranoside

: 192936-02-0
methyl O-(2-O-acetyl-3-O-benzyl-4,6-O-benzylidene-α-D-mannopyranosyl)-(1->2)-3-O-benzyl-4,6-O-benzylidene-α-D-mannopyranoside

Guidance literature:: With 2,6-di-tert-butyl-4-methylpyridine; 4 A molecular sieve; dimethyl-(methylthio)-sulphonium trifluoromethanesulphonate; In dichloromethane; at 20 ℃; for 2.5h;
DOI:10.1081/CAR-120003743

Reference yield:

: 100-39-0
benzyl bromide

: 192936-02-0
methyl O-(2-O-acetyl-3-O-benzyl-4,6-O-benzylidene-α-D-mannopyranosyl)-(1->2)-3-O-benzyl-4,6-O-benzylidene-α-D-mannopyranoside

Guidance literature:: Multi-step reaction with 2 steps

1.1: dibutyltin oxide / methanol / 2 h / Heating

1.2: 83.5 percent / dimethylformamide / 24 h / 80 °C

2.1: 73 percent / methyl triflate; molecular sieves 4A / toluene / 18 h / 20 °C

With 4 A molecular sieve; di(n-butyl)tin oxide; methyl trifluoromethanesulfonate; In methanol; toluene; 1.1: stannylation / 1.2: benzylation / 2.1: Condensation;