O-<2,3,6-tri-O-benzoyl-4-O-(bromoacetyl)-β-D-galactopyranosyl>-(1-4)-2,3,6-tri-O-benzoyl-α-D-galactopyranosyl chloride

Base Information

Chemical Name:O-<2,3,6-tri-O-benzoyl-4-O-(bromoacetyl)-β-D-galactopyranosyl>-(1-4)-2,3,6-tri-O-benzoyl-α-D-galactopyranosyl chloride
CAS No.:114682-63-2
Molecular Formula:C₅₆H₄₆BrClO₁₇
Molecular Weight:1106.33
Hs Code.:

Synonyms:O-<2,3,6-tri-O-benzoyl-4-O-(bromoacetyl)-β-D-galactopyranosyl>-(1-4)-2,3,6-tri-O-benzoyl-α-D-galactopyranosyl chloride

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Chemical Property of O-<2,3,6-tri-O-benzoyl-4-O-(bromoacetyl)-β-D-galactopyranosyl>-(1-4)-2,3,6-tri-O-benzoyl-α-D-galactopyranosyl chloride

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Technology Process of O-<2,3,6-tri-O-benzoyl-4-O-(bromoacetyl)-β-D-galactopyranosyl>-(1-4)-2,3,6-tri-O-benzoyl-α-D-galactopyranosyl chloride

There total 6 articles about O-<2,3,6-tri-O-benzoyl-4-O-(bromoacetyl)-β-D-galactopyranosyl>-(1-4)-2,3,6-tri-O-benzoyl-α-D-galactopyranosyl chloride 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: 90.0%

: 114682-60-9
O-<2,3,6-tri-O-benzoyl-4-O-(bromoacetyl)-β-D-galactopyranosyl>-(1-4)-1-O-acetyl-2,3,6-tri-O-benzoyl-β-D-galactopyranose

: 114682-63-2
O-<2,3,6-tri-O-benzoyl-4-O-(bromoacetyl)-β-D-galactopyranosyl>-(1-4)-2,3,6-tri-O-benzoyl-α-D-galactopyranosyl chloride

Guidance literature:: With Dichloromethyl methyl ether; zinc(II) chloride; In chloroform; at 45 ℃; for 0.5h;
DOI:10.1016/0008-6215(87)80276-8

Reference yield:

: 3601-36-3,6344-46-3
methyl 2,3,6-tri-O-benzoyl-α-D-galactopyranoside

: 114682-63-2
O-<2,3,6-tri-O-benzoyl-4-O-(bromoacetyl)-β-D-galactopyranosyl>-(1-4)-2,3,6-tri-O-benzoyl-α-D-galactopyranosyl chloride

Guidance literature:: Multi-step reaction with 6 steps

1: 94 percent / tetramethylurea / 1,2-dimethoxy-ethane / 24 h / Ambient temperature

2: 80 percent / dichloromethyl methyl ether, zinc chloride / 6 h / 80 °C

3: 91 percent / silver trifluoromethanesulfonate, 2,4,6-trimethylpyridine / 2 h / Ambient temperature

4: 83 percent / thiourea / methanol; CH₂Cl₂ / 1 h

5: 55 percent / 2,4,6-trimethylpyridine, silver triflate / CH₂Cl₂ / 2 h / Ambient temperature

6: 90 percent / dichloromethyl methyl ether, ZnCl₂ / CHCl₃ / 0.5 h / 45 °C

With 2,4,6-trimethyl-pyridine; Dichloromethyl methyl ether; silver trifluoromethanesulfonate; thiourea; tetramethylurea; zinc(II) chloride; In methanol; 1,2-dimethoxyethane; dichloromethane; chloroform;
DOI:10.1016/0008-6215(87)80276-8

Reference yield:

: 114682-53-0
2,3,6-tri-benzoyl-4-O-(bromoacetyl)-α-D-galactopyranosyl chloride

: 114682-63-2
O-<2,3,6-tri-O-benzoyl-4-O-(bromoacetyl)-β-D-galactopyranosyl>-(1-4)-2,3,6-tri-O-benzoyl-α-D-galactopyranosyl chloride

Guidance literature:: Multi-step reaction with 4 steps

1: 91 percent / silver trifluoromethanesulfonate, 2,4,6-trimethylpyridine / 2 h / Ambient temperature

2: 83 percent / thiourea / methanol; CH₂Cl₂ / 1 h

3: 55 percent / 2,4,6-trimethylpyridine, silver triflate / CH₂Cl₂ / 2 h / Ambient temperature

4: 90 percent / dichloromethyl methyl ether, ZnCl₂ / CHCl₃ / 0.5 h / 45 °C

With 2,4,6-trimethyl-pyridine; Dichloromethyl methyl ether; silver trifluoromethanesulfonate; thiourea; zinc(II) chloride; In methanol; dichloromethane; chloroform;
DOI:10.1016/0008-6215(87)80276-8