methyl 4,6-O-benzylidene-2,3-O-bis(p-toluenesulphonyloxyethyl)-α-D-mannopyranoside

Base Information

Chemical Name:methyl 4,6-O-benzylidene-2,3-O-bis(p-toluenesulphonyloxyethyl)-α-D-mannopyranoside
CAS No.:86534-17-0
Molecular Formula:C₃₂H₃₈O₁₂S₂
Molecular Weight:678.779
Hs Code.:

Synonyms:methyl 4,6-O-benzylidene-2,3-O-bis(p-toluenesulphonyloxyethyl)-α-D-mannopyranoside

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Chemical Property of methyl 4,6-O-benzylidene-2,3-O-bis(p-toluenesulphonyloxyethyl)-α-D-mannopyranoside

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Technology Process of methyl 4,6-O-benzylidene-2,3-O-bis(p-toluenesulphonyloxyethyl)-α-D-mannopyranoside

There total 3 articles about methyl 4,6-O-benzylidene-2,3-O-bis(p-toluenesulphonyloxyethyl)-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: 85.0%

: 86534-16-9
2-[(4aR,6S,7S,8S,8aR)-7-(2-Hydroxy-ethoxy)-6-methoxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yloxy]-ethanol

: 98-59-9
p-toluenesulfonyl chloride

: 86534-17-0
methyl 4,6-O-benzylidene-2,3-O-bis(p-toluenesulphonyloxyethyl)-α-D-mannopyranoside

Guidance literature:: With triethylamine; In chloroform; at 4 ℃;
DOI:10.1016/S0040-4020(01)91309-2

Reference yield:

: 4148-58-7
(4aR,6S,7S,8R,8aS)-6-Methoxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxine-7,8-diol

: 86534-17-0
methyl 4,6-O-benzylidene-2,3-O-bis(p-toluenesulphonyloxyethyl)-α-D-mannopyranoside

Guidance literature:: Multi-step reaction with 3 steps

1: 95 percent / n-Bu₄N⁺HSO₄^-, aq. NaOH (50percent) / benzene / 0.5 h / Ambient temperature

2: 90 percent / LiAlH₄ / diethyl ether / Heating

3: 85 percent / Et₃N / CHCl₃ / 0 °C

With sodium hydroxide; lithium aluminium tetrahydride; tetra(n-butyl)ammonium hydrogensulfate; triethylamine; In diethyl ether; chloroform; benzene;
DOI:10.1039/c39830000132

Reference yield:

: 86534-15-8
methyl 4,6-O-benzylidene-2,3-O-bis(t-butyl-oxycarbonylmethyl)-α-D-mannopyranoside

: 86534-17-0
methyl 4,6-O-benzylidene-2,3-O-bis(p-toluenesulphonyloxyethyl)-α-D-mannopyranoside

Guidance literature:: Multi-step reaction with 2 steps

1: 90 percent / LiAlH₄ / diethyl ether / Heating

2: 85 percent / Et₃N / CHCl₃ / 0 °C

With lithium aluminium tetrahydride; triethylamine; In diethyl ether; chloroform;
DOI:10.1039/c39830000132