methyl O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-(1->3)-2-azido-4,6-benzylidene-2-deoxy-α-D-galactopyranoside

Base Information

Chemical Name:methyl O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-(1->3)-2-azido-4,6-benzylidene-2-deoxy-α-D-galactopyranoside
CAS No.:362651-61-4
Molecular Formula:C₂₈H₃₅N₃O₁₄
Molecular Weight:637.598
Hs Code.:

Synonyms:methyl O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-(1->3)-2-azido-4,6-benzylidene-2-deoxy-α-D-galactopyranoside

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Chemical Property of methyl O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-(1->3)-2-azido-4,6-benzylidene-2-deoxy-α-D-galactopyranoside

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Technology Process of methyl O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-(1->3)-2-azido-4,6-benzylidene-2-deoxy-α-D-galactopyranoside

There total 8 articles about methyl O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-(1->3)-2-azido-4,6-benzylidene-2-deoxy-α-D-galactopyranoside 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: 66.2%

: 86520-63-0
2,3,4,6-tetra-O-acetyl-α-galactopyranosyl trichloroacetimidate

: 362651-60-3
methyl 2-azido-4,6-benzylidene-2-deoxy-α-D-galactopyranoside

: 362651-61-4
methyl O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-(1->3)-2-azido-4,6-benzylidene-2-deoxy-α-D-galactopyranoside

Guidance literature:: 2,3,4,6-tetra-O-acetyl-α-galactopyranosyl trichloroacetimidate; methyl 2-azido-4,6-benzylidene-2-deoxy-α-D-galactopyranoside; With 4 A molecular sieve; In 1,2-dichloro-ethane; at 20 ℃; for 1.5h;

With trimethylsilyl trifluoromethanesulfonate; In 1,2-dichloro-ethane; at -18 ℃; for 0.25h; Further stages.;

Reference yield:

: 25878-60-8
D-galactose pentaacetate

: 362651-61-4
methyl O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-(1->3)-2-azido-4,6-benzylidene-2-deoxy-α-D-galactopyranoside

Guidance literature:: Multi-step reaction with 3 steps

1.1: 62.8 percent / ammonium carbonate / dimethylformamide / 22 h / 30 °C

2.1: 83.9 percent / Cs₂CO₃ / CH₂Cl₂ / 30 h / 20 °C

3.1: molecular sieves 4 Angstroem / 1,2-dichloro-ethane / 1.5 h / 20 °C

3.2: 66.2 percent / trimethylsilyl triflate / 1,2-dichloro-ethane / 0.25 h / -18 °C

With ammonium carbonate; 4 A molecular sieve; caesium carbonate; In dichloromethane; 1,2-dichloro-ethane; N,N-dimethyl-formamide;

Reference yield:

: 3947-62-4,6207-76-7,10343-06-3,19235-21-3,22554-70-7,22860-22-6,57884-82-9,62057-79-8,70191-05-8,109525-54-4,140147-37-1,47339-09-3
2,3,4,6-tetra-O-acetyl-α/β-D-galactopyranose

: 362651-61-4
methyl O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-(1->3)-2-azido-4,6-benzylidene-2-deoxy-α-D-galactopyranoside

Guidance literature:: Multi-step reaction with 2 steps

1.1: 83.9 percent / Cs₂CO₃ / CH₂Cl₂ / 30 h / 20 °C

2.1: molecular sieves 4 Angstroem / 1,2-dichloro-ethane / 1.5 h / 20 °C

2.2: 66.2 percent / trimethylsilyl triflate / 1,2-dichloro-ethane / 0.25 h / -18 °C

With 4 A molecular sieve; caesium carbonate; In dichloromethane; 1,2-dichloro-ethane;