4-methoxyphenyl 3-O-allyl-4,6-O-benzylidene-2-O-pivaloyl-β-D-galactopyranoside

Base Information

• Chemical Name: 4-methoxyphenyl 3-O-allyl-4,6-O-benzylidene-2-O-pivaloyl-β-D-galactopyranoside
• CAS No.: 400091-06-7
• Molecular Formula: C₂₈H₃₄O₈
• Molecular Weight: 498.573
• Mol file: 400091-06-7.mol

Synonyms:4-methoxyphenyl 3-O-allyl-4,6-O-benzylidene-2-O-pivaloyl-β-D-galactopyranoside

Chemical Property of 4-methoxyphenyl 3-O-allyl-4,6-O-benzylidene-2-O-pivaloyl-β-D-galactopyranoside

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 4-methoxyphenyl 3-O-allyl-4,6-O-benzylidene-2-O-pivaloyl-β-D-galactopyranoside

There total 4 articles about 4-methoxyphenyl 3-O-allyl-4,6-O-benzylidene-2-O-pivaloyl-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: 96.0%

pivaloyl chloride (3282-30-2) + 4-methoxyphenyl 3-O-allyl-4,6-O-benzylidene-β-D-galactopyranoside (400091-05-6) → 4-methoxyphenyl 3-O-allyl-4,6-O-benzylidene-2-O-pivaloyl-β-D-galactopyranoside (400091-06-7)

Guidance literature:

With dmap; triethylamine; In dichloromethane; for 16h; Heating;

DOI:10.1002/1099-0690(200110)2001:20<3849::AID-EJOC3849>3.0.CO;2-Q

Reference yield:

benzaldehyde dimethyl acetal (1125-88-8) → 4-methoxyphenyl 3-O-allyl-4,6-O-benzylidene-2-O-pivaloyl-β-D-galactopyranoside (400091-06-7)

Guidance literature:

Multi-step reaction with 2 steps

1: 91 percent / TsOH*H₂O / tetrahydrofuran / 2 h / 25 °C

2: 96 percent / DMAP; Et₃N / CH₂Cl₂ / 16 h / Heating

With dmap; toluene-4-sulfonic acid; triethylamine; In tetrahydrofuran; dichloromethane;

DOI:10.1002/1099-0690(200110)2001:20<3849::AID-EJOC3849>3.0.CO;2-Q

Reference yield:

p-methoxyphenyl 3-O-allyl-β-D-galactopyranoside (144985-19-3) → 4-methoxyphenyl 3-O-allyl-4,6-O-benzylidene-2-O-pivaloyl-β-D-galactopyranoside (400091-06-7)

Guidance literature:

Multi-step reaction with 2 steps

1: 91 percent / TsOH*H₂O / tetrahydrofuran / 2 h / 25 °C

2: 96 percent / DMAP; Et₃N / CH₂Cl₂ / 16 h / Heating

With dmap; toluene-4-sulfonic acid; triethylamine; In tetrahydrofuran; dichloromethane;

DOI:10.1002/1099-0690(200110)2001:20<3849::AID-EJOC3849>3.0.CO;2-Q

upstream raw materials:

pivaloyl chloride

4-methoxyphenyl 3-O-allyl-4,6-O-benzylidene-β-D-galactopyranoside

benzaldehyde dimethyl acetal

p-methoxyphenyl 3-O-allyl-β-D-galactopyranoside

Downstream raw materials:

4-methoxyphenyl 3-O-allyl-6-O-benzyl-2-O-pivaloyl-β-D-galactopyranoside

phenyl 3-O-allyl-6-O-benzyl-2-O-pivaloyl-1-thio-β-D-galactopyranoside

phenyl 4-O-acetyl-3-O-allyl-6-O-benzyl-2-O-pivaloyl-1-thio-β-D-galactopyranoside