benzyl O--(2-3)-4-O-acetyl-2,6-di-O-benzyl-β-D-galactopyranoside

Base Information

Chemical Name:benzyl O--(2-3)-4-O-acetyl-2,6-di-O-benzyl-β-D-galactopyranoside
CAS No.:96520-18-2
Molecular Formula:C₄₉H₅₉NO₁₉
Molecular Weight:966.003
Hs Code.:

benzyl O-<methyl (5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-β-D-galacto-2-nonulopyranosyl)onate>-(2-3)-4-O-acetyl-2,6-di-O-benzyl-β-D-galactopyranoside

Synonyms:benzyl O--(2-3)-4-O-acetyl-2,6-di-O-benzyl-β-D-galactopyranoside

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Chemical Property of benzyl O--(2-3)-4-O-acetyl-2,6-di-O-benzyl-β-D-galactopyranoside

Chemical Property:

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Technology Process of benzyl O--(2-3)-4-O-acetyl-2,6-di-O-benzyl-β-D-galactopyranoside

There total 7 articles about benzyl O--(2-3)-4-O-acetyl-2,6-di-O-benzyl-β-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: 79.0%

: 96520-16-0
benzyl O--(2-3)-2,6-di-O-benzyl-β-D-galactopyranoside

: 108-24-7
acetic anhydride

: 96520-18-2
benzyl O--(2-3)-4-O-acetyl-2,6-di-O-benzyl-β-D-galactopyranoside

Guidance literature:: In pyridine; at 20 ℃; for 24h;
DOI:10.1016/0008-6215(87)80182-9

Reference yield:

: 14897-51-9
Benzyl 3,4-O-isopropylidene-β-D-galactopyranoside

: 96520-18-2
benzyl O--(2-3)-4-O-acetyl-2,6-di-O-benzyl-β-D-galactopyranoside

Guidance literature:: Multi-step reaction with 4 steps

1: 71 percent / 1.) NaH / dimethylformamide / 1.) 20 deg C, 30 min; 2.) 20 deg C, 1 h

2: 82 percent / 80percent aq. AcOH / H₂O / 3 h / 60 °C

3: 5.6 percent / powdered molecular sieves 4A, silver triflate, stannous chloride / tetrahydrofuran / -10 deg C, 1 h; 20 deg C, 16 h

4: 79 percent / pyridine / 24 h / 20 °C

With 4 A molecular sieve; silver trifluoromethanesulfonate; sodium hydride; acetic acid; tin(ll) chloride; In tetrahydrofuran; pyridine; water; N,N-dimethyl-formamide;
DOI:10.1016/0008-6215(87)80182-9

Reference yield:

: 73108-30-2
benzyl 2,6-di-O-benzyl-β-D-galactopyranoside

: 96520-18-2
benzyl O--(2-3)-4-O-acetyl-2,6-di-O-benzyl-β-D-galactopyranoside

Guidance literature:: Multi-step reaction with 2 steps

1: 5.6 percent / powdered molecular sieves 4A, silver triflate, stannous chloride / tetrahydrofuran / -10 deg C, 1 h; 20 deg C, 16 h

2: 79 percent / pyridine / 24 h / 20 °C

With 4 A molecular sieve; silver trifluoromethanesulfonate; tin(ll) chloride; In tetrahydrofuran; pyridine;
DOI:10.1016/0008-6215(87)80182-9