METHYL-4,6-O-ISOPROPYLIDENE-BETA-D-GALACTOPYRANOSIDE

Base Information

• Chemical Name: METHYL-4,6-O-ISOPROPYLIDENE-BETA-D-GALACTOPYRANOSIDE
• CAS No.: 20688-90-8
• Molecular Formula: C10H18O6
• Molecular Weight: 234.249
• Mol file: 20688-90-8.mol

Synonyms:METHYL-4,6-O-ISOPROPYLIDENE-BETA-D-GALACTOPYRANOSIDE;METHYL-4,6-O-ISOPROPYLIDENE-SS-D-GALACTOPYRANOSIDE

Chemical Property of METHYL-4,6-O-ISOPROPYLIDENE-BETA-D-GALACTOPYRANOSIDE

Chemical Property:

• PSA: 77.38000
• LogP: -0.76900

Purity/Quality:

97% ^*data from raw suppliers

METHYL-4,6-O-ISOPROPYLIDENE-BETA-D-GALACTOPYRANOSIDE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of METHYL-4,6-O-ISOPROPYLIDENE-BETA-D-GALACTOPYRANOSIDE

There total 7 articles about METHYL-4,6-O-ISOPROPYLIDENE-BETA-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: 85.0%

2,2-dimethoxy-propane (77-76-9) + methyl beta-D-galactopyranoside (1824-94-8) → methyl 3,4-O-isopropylidene-6-O-(1-methoxy-1-methylethyl)-β-D-galactopyranoside (104530-15-6) + methyl 4,6-O-isopropylidene-β-D-galacytopyranoside (20688-90-8) + methyl 2,3:4,6-di-O-isopropylidene-β-D-galactopyranoside (118542-52-2) + methyl 3,4-di-O-isopropylidene-β-D-galactopyranoside (14897-47-3)

Guidance literature:

toluene-4-sulfonic acid; Ambient temperature;

DOI:10.1016/S0040-4039(00)84515-3

Reference yield: 55.3%

2-Methoxypropene (116-11-0) + methyl beta-D-galactopyranoside (1824-94-8) → methyl 4,6-O-isopropylidene-β-D-galacytopyranoside (20688-90-8)

Guidance literature:

With toluene-4-sulfonic acid; In N,N-dimethyl-formamide; at -10 ℃; for 2h;

DOI:10.1016/0008-6215(89)84037-6

Reference yield: 16.0%

2,2-dimethoxy-propane (77-76-9) + methyl beta-D-galactopyranoside (1824-94-8) → methyl 4,6-O-isopropylidene-β-D-galacytopyranoside (20688-90-8) + methyl 3,4-di-O-isopropylidene-β-D-galactopyranoside (14897-47-3)

Guidance literature:

With toluene-4-sulfonic acid; In tetrahydrofuran; at 25 ℃; for 14h; Yield given;

upstream raw materials:

acetone

methyl beta-D-galactopyranoside

methyl 2,3-di-O-acetyl-4,6-O-benzylidene-β-D-galactopyranoside

2-Methoxypropene

Downstream raw materials:

methyl 2,3-di-O-benzyl-β-D-galactopyranoside

methyl 4-azido-2,3-di-O-benzyl-4-deoxy-6-O-propionyl-β-D-glucopyranoside

2,5-diazido-3-O-(4-azido-2,3-di-O-benzyl-6-O-propionyl-α-D-glucopyranosyl)-1,6-di-O-benzoyl-2,5-dideoxy-L-iditol

2,5-diazido-3-O-(4-azido-2,3-di-O-benzyl-4-deoxy-α-D-glucopyranosyl)-2,5-dideoxy-L-iditol