1,2,3,6-tetra-O-acetyl-4-O-(2,3-di-O-acetyl-6-O-benzoyl-β-D-galactopyranosyl)-α-D-glucopyranose

Base Information

Chemical Name:1,2,3,6-tetra-O-acetyl-4-O-(2,3-di-O-acetyl-6-O-benzoyl-β-D-galactopyranosyl)-α-D-glucopyranose
CAS No.:81661-68-9
Molecular Formula:C₃₁H₃₈O₁₈
Molecular Weight:698.632
Hs Code.:

Synonyms:1,2,3,6-tetra-O-acetyl-4-O-(2,3-di-O-acetyl-6-O-benzoyl-β-D-galactopyranosyl)-α-D-glucopyranose

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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 1,2,3,6-tetra-O-acetyl-4-O-(2,3-di-O-acetyl-6-O-benzoyl-β-D-galactopyranosyl)-α-D-glucopyranose

Chemical Property:

Purity/Quality:: 98% ^*data from raw suppliers

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Technology Process of 1,2,3,6-tetra-O-acetyl-4-O-(2,3-di-O-acetyl-6-O-benzoyl-β-D-galactopyranosyl)-α-D-glucopyranose

There total 1 articles about 1,2,3,6-tetra-O-acetyl-4-O-(2,3-di-O-acetyl-6-O-benzoyl-β-D-galactopyranosyl)-α-D-glucopyranose 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: 69.0%

: 613-90-1
benzoyl cyanide

: 81661-67-8
Acetic acid (2R,3R,4S,5R,6R)-2,3-diacetoxy-6-acetoxymethyl-5-((2S,3R,4S,5S,6R)-3,4-diacetoxy-5-hydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-4-yl ester

: 81661-68-9
1,2,3,6-tetra-O-acetyl-4-O-(2,3-di-O-acetyl-6-O-benzoyl-β-D-galactopyranosyl)-α-D-glucopyranose

Guidance literature:: With pyridine; In dichloromethane; at 7 ℃; for 120h;
DOI:10.1016/S0008-6215(00)81032-0

Reference yield:

: 81661-68-9
1,2,3,6-tetra-O-acetyl-4-O-(2,3-di-O-acetyl-6-O-benzoyl-β-D-galactopyranosyl)-α-D-glucopyranose

: O-(6-O-acetyl-2,4-di-O-benzyl-α-D-galactopyranosyl)-(1->4)-O-(2,3-di-O-acetyl-6-O-benzoyl-β-D-galactopyranosyl)-(1->4)-1,2,3,6-tetra-O-acetyl-α-D-glucopyranose

Guidance literature:: Multi-step reaction with 2 steps

1: 1.) Ag₂CO₃, AgClO₄, Drierite, 4 Angstroem molecular sieve, 2.) 4 Angstroem molecular sieve / 1.) dichloromethane, 1 h., 2.) dichloromethane, 30 h.

2: 41 percent / tris(triphenylphosphine)rhodium(I) chloride / ethanol; H₂O; toluene / 8 h / 80 °C

With calcium sulfate; Wilkinson's catalyst; 4 A molecular sieve; silver perchlorate; silver carbonate; In ethanol; water; toluene;
DOI:10.1016/S0008-6215(00)81032-0

Reference yield:

: 61236-82-6
6-O-acetyl-2,3,4-tri-O-benzyl-α-D-galactopyranosyl bromide

: 81661-68-9
1,2,3,6-tetra-O-acetyl-4-O-(2,3-di-O-acetyl-6-O-benzoyl-β-D-galactopyranosyl)-α-D-glucopyranose

: 81661-69-0
O-(6-O-acetyl-2,3,4-tri-O-benzyl-α-D-galactopyranosyl)-(1->4)-O-(2,3-di-O-acetyl-6-O-benzoyl-β-D-galactopyranosyl)-(1->4)-1,2,3,6-tetra-O-acetyl-α-D-glucopyranose

Guidance literature:: With calcium sulfate; 4 A molecular sieve; silver perchlorate; silver carbonate; Yield given. Multistep reaction; 1.) dichloromethane, 1 h., 2.) dichloromethane, 14 h.;
DOI:10.1016/S0008-6215(00)81032-0