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

Base Information

Chemical Name:2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyl-(1->6)-2-O-acetyl-3,4-di-O-benzoyl-α-D-galactopyranosyl trichloroacetimidate
CAS No.:634603-17-1
Molecular Formula:C₅₈H₄₈Cl₃NO₁₈
Molecular Weight:1153.37
Hs Code.:

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

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Chemical Property of 2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyl-(1->6)-2-O-acetyl-3,4-di-O-benzoyl-α-D-galactopyranosyl trichloroacetimidate

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

There total 5 articles about 2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyl-(1->6)-2-O-acetyl-3,4-di-O-benzoyl-α-D-galactopyranosyl trichloroacetimidate 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: 79.0%

: 545-06-2
trichloroacetonitrile

: 634603-13-7
4-methoxyphenyl 2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyl-(1->6)-2-O-acetyl-3,4-di-O-benzoyl-β-D-galactopyranoside

: 634603-17-1
2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyl-(1->6)-2-O-acetyl-3,4-di-O-benzoyl-α-D-galactopyranosyl trichloroacetimidate

Guidance literature:: 4-methoxyphenyl 2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyl-(1->6)-2-O-acetyl-3,4-di-O-benzoyl-β-D-galactopyranoside; With ammonium cerium(IV) nitrate; In water; acetonitrile; at 20 ℃; for 0.5h;

trichloroacetonitrile; With potassium carbonate; In dichloromethane; at 20 ℃;
DOI:10.1016/j.crma.2004.09.021

Reference yield:

: 149707-75-5,149707-76-6,138479-78-4
2,3,4,6-tetra-O-benzoyl-1-O-trichloroacetimidoyl-α-D-galactopyranose

: 634603-17-1
2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyl-(1->6)-2-O-acetyl-3,4-di-O-benzoyl-α-D-galactopyranosyl trichloroacetimidate

Guidance literature:: Multi-step reaction with 2 steps

1.1: 81 percent / TMSOTf / CH₂Cl₂ / 2 h / -20 - 20 °C

2.1: ceric ammonium nitrate / acetonitrile; H₂O / 0.5 h / 20 °C

2.2: 79 percent / K₂CO₃ / CH₂Cl₂ / 20 °C

With ammonium cerium(IV) nitrate; trimethylsilyl trifluoromethanesulfonate; In dichloromethane; water; acetonitrile;
DOI:10.1016/j.crma.2004.09.021

Reference yield:

: 663622-36-4
2,6-di-O-acetyl-3,4-di-O-benzoyl-α-D-galactopyranosyl trichloroacetimidate

: 634603-17-1
2,3,4,6-tetra-O-benzoyl-β-D-galactopyranosyl-(1->6)-2-O-acetyl-3,4-di-O-benzoyl-α-D-galactopyranosyl trichloroacetimidate

Guidance literature:: Multi-step reaction with 4 steps

1.1: 84 percent / TMSOTf / CH₂Cl₂ / 1 h / -20 - 20 °C

2.1: 87 percent / CH₃COCl / methanol; CH₂Cl₂ / 48 h / 20 °C

3.1: 81 percent / TMSOTf / CH₂Cl₂ / 2 h / -20 - 20 °C

4.1: ceric ammonium nitrate / acetonitrile; H₂O / 0.5 h / 20 °C

4.2: 79 percent / K₂CO₃ / CH₂Cl₂ / 20 °C

With ammonium cerium(IV) nitrate; trimethylsilyl trifluoromethanesulfonate; acetyl chloride; In methanol; dichloromethane; water; acetonitrile;
DOI:10.1016/j.crma.2004.09.021