2,3,4,5-tetra-O-benzyl-6,7-dideoxy-6-C-methylene-D-galacto-heptose diethyl dithioacetal

Base Information

Chemical Name:2,3,4,5-tetra-O-benzyl-6,7-dideoxy-6-C-methylene-D-galacto-heptose diethyl dithioacetal
CAS No.:142827-77-8
Molecular Formula:C₄₀H₄₈O₄S₂
Molecular Weight:656.951
Hs Code.:

Synonyms:2,3,4,5-tetra-O-benzyl-6,7-dideoxy-6-C-methylene-D-galacto-heptose diethyl dithioacetal

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Chemical Property of 2,3,4,5-tetra-O-benzyl-6,7-dideoxy-6-C-methylene-D-galacto-heptose diethyl dithioacetal

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Technology Process of 2,3,4,5-tetra-O-benzyl-6,7-dideoxy-6-C-methylene-D-galacto-heptose diethyl dithioacetal

There total 3 articles about 2,3,4,5-tetra-O-benzyl-6,7-dideoxy-6-C-methylene-D-galacto-heptose diethyl dithioacetal 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:

: 78574-39-7
7-deoxy-1,2;3,4-di-O-isopropylidene-D-glycero-α-D-galactoheptopyranose

: 142827-77-8
2,3,4,5-tetra-O-benzyl-6,7-dideoxy-6-C-methylene-D-galacto-heptose diethyl dithioacetal

Guidance literature:: Multi-step reaction with 3 steps

1: 1) n-BuLi / 1) THF, hexane, 0 deg C, 1 h, 2) THF, 0 deg C to r.t., 1 h

2: conc. HCl / 0.5 h / 0 - 25 °C

3: 1) NaH, 2) Bu₄NI / 1) THF, 30 min, 2) THF, r.t., 15 h

With hydrogenchloride; n-butyllithium; tetra-(n-butyl)ammonium iodide; sodium hydride;
DOI:10.1016/S0008-6215(00)90490-7

Reference yield:

: 142827-76-7
6,7-dideoxy-1,2:3,4-di-O-isopropylidene-6-C-methylene-α-D-galacto-hept-6-enopyranose

: 142827-77-8
2,3,4,5-tetra-O-benzyl-6,7-dideoxy-6-C-methylene-D-galacto-heptose diethyl dithioacetal

Guidance literature:: Multi-step reaction with 2 steps

1: conc. HCl / 0.5 h / 0 - 25 °C

2: 1) NaH, 2) Bu₄NI / 1) THF, 30 min, 2) THF, r.t., 15 h

With hydrogenchloride; tetra-(n-butyl)ammonium iodide; sodium hydride;
DOI:10.1016/S0008-6215(00)90490-7

Reference yield:

: 100-39-0
benzyl bromide

: (2R,3S,4S,5R)-1,1-Bis-ethylsulfanyl-6-methyl-hept-6-ene-2,3,4,5-tetraol

: 142827-77-8
2,3,4,5-tetra-O-benzyl-6,7-dideoxy-6-C-methylene-D-galacto-heptose diethyl dithioacetal

Guidance literature:: With tetra-(n-butyl)ammonium iodide; sodium hydride; Yield given. Multistep reaction; 1) THF, 30 min, 2) THF, r.t., 15 h;
DOI:10.1016/S0008-6215(00)90490-7