4-methoxyphenyl 6-O-benzyl-2-deoxy-4-O-pivaloyl-2-trichloroacetamido-β-D-galactopyranoside

Base Information

Chemical Name:4-methoxyphenyl 6-O-benzyl-2-deoxy-4-O-pivaloyl-2-trichloroacetamido-β-D-galactopyranoside
CAS No.:445397-55-7
Molecular Formula:C₂₇H₃₂Cl₃NO₈
Molecular Weight:604.912
Hs Code.:

Synonyms:4-methoxyphenyl 6-O-benzyl-2-deoxy-4-O-pivaloyl-2-trichloroacetamido-β-D-galactopyranoside

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Chemical Property of 4-methoxyphenyl 6-O-benzyl-2-deoxy-4-O-pivaloyl-2-trichloroacetamido-β-D-galactopyranoside

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Technology Process of 4-methoxyphenyl 6-O-benzyl-2-deoxy-4-O-pivaloyl-2-trichloroacetamido-β-D-galactopyranoside

There total 4 articles about 4-methoxyphenyl 6-O-benzyl-2-deoxy-4-O-pivaloyl-2-trichloroacetamido-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: 82.0%

: 445397-54-6
4-methoxyphenyl 6-O-benzyl-2-deoxy-3-O-pivaloyl-2-trichloroacetamido-β-D-glucopyranoside

: 445397-55-7
4-methoxyphenyl 6-O-benzyl-2-deoxy-4-O-pivaloyl-2-trichloroacetamido-β-D-galactopyranoside

Guidance literature:: 4-methoxyphenyl 6-O-benzyl-2-deoxy-3-O-pivaloyl-2-trichloroacetamido-β-D-glucopyranoside; With pyridine; trifluoromethylsulfonic anhydride; In 1,2-dichloro-ethane; at -15 ℃; for 1.5h;

With water; at 80 ℃; for 0.5h;
DOI:10.1016/S0008-6215(02)00060-5

Reference yield:

: 3282-30-2
pivaloyl chloride

: 445397-55-7
4-methoxyphenyl 6-O-benzyl-2-deoxy-4-O-pivaloyl-2-trichloroacetamido-β-D-galactopyranoside

Guidance literature:: Multi-step reaction with 3 steps

1.1: 82 percent / DMAP / pyridine; CH₂Cl₂ / 20 °C

2.1: 91 percent / TFA; triethylsilane / CH₂Cl₂ / 3 h / 0 - 20 °C

3.1: triflic anhydride; pyridine / 1,2-dichloro-ethane / 1.5 h / -15 °C

3.2: 82 percent / H₂O / 0.5 h / 80 °C

With pyridine; triethylsilane; dmap; trifluoromethylsulfonic anhydride; trifluoroacetic acid; In pyridine; dichloromethane; 1,2-dichloro-ethane;
DOI:10.1016/S0008-6215(02)00060-5

Reference yield:

: 4-methoxyphenyl 4,6-O-benzylidene-2-deoxy-2-trochloroacetamido-β-D-glucopyranoside

: 445397-55-7
4-methoxyphenyl 6-O-benzyl-2-deoxy-4-O-pivaloyl-2-trichloroacetamido-β-D-galactopyranoside

Guidance literature:: Multi-step reaction with 3 steps

1.1: 82 percent / DMAP / pyridine; CH₂Cl₂ / 20 °C

2.1: 91 percent / TFA; triethylsilane / CH₂Cl₂ / 3 h / 0 - 20 °C

3.1: triflic anhydride; pyridine / 1,2-dichloro-ethane / 1.5 h / -15 °C

3.2: 82 percent / H₂O / 0.5 h / 80 °C

With pyridine; triethylsilane; dmap; trifluoromethylsulfonic anhydride; trifluoroacetic acid; In pyridine; dichloromethane; 1,2-dichloro-ethane;
DOI:10.1016/S0008-6215(02)00060-5