2,3,4,6-TETRA-O-METHYL-D-GALACTOSE

Base Information

• Chemical Name: 2,3,4,6-TETRA-O-METHYL-D-GALACTOSE
• CAS No.: 4060-05-3
• Molecular Formula: C₁₀H₂₀O₆
• Molecular Weight: 236.265
• Mol file: 4060-05-3.mol

Synonyms:Galactose,2,3,4,6-tetra-O-methyl-, D- (6CI,7CI,8CI); 2,3,4,6-Tetra-O-methyl-D-galactose;2,3,4,6-tetra-O-methyl-D-galactopyranose

Chemical Property of 2,3,4,6-TETRA-O-METHYL-D-GALACTOSE

Chemical Property:

• PSA: 74.22000
• LogP: -0.76240

Purity/Quality:

2,3,4,6-TETRA-O-METHYL-D-GALACTOSE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 2,3,4,6-TETRA-O-METHYL-D-GALACTOSE

There total 18 articles about 2,3,4,6-TETRA-O-METHYL-D-GALACTOSE 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:

3,4′-dihydroxy-5,7-dimethoxyflavone-3-O-β-D-galactopyranosyl-(1→4)-O-β-D-arabinopyranosyl-4′-O-α-L-rhamnopyranoside + methyl iodide (74-88-4) → O2,O3-dimethyl-D-arabinose (13403-20-8) + 2,3,4-tri-O-methyl-L-rhamnose (7439-05-6) + 2,3,4,6-tetra-O-methyl-D-galactose (3615-47-2,5856-22-4,15075-09-9,4060-05-3) + 5,7-dimethoxy-3-hydroxy-2-(4-hydroxyphenyl)-4H-chromen-4-one (77316-40-6)

Guidance literature:

3,4′-dihydroxy-5,7-dimethoxyflavone-3-O-β-D-galactopyranosyl-(1→4)-O-β-D-arabinopyranosyl-4′-O-α-L-rhamnopyranoside; methyl iodide; With silver(l) oxide; In N,N-dimethyl-formamide; for 48h; Reflux;

With sulfuric acid; water; In N,N-dimethyl-formamide;

DOI:10.14233/ajchem.2019.22026

Reference yield:

low-molecular-mass polysaccharide from Cucurbia moschata → 2,3-di-O-methyl-L-arabinose (6778-35-4) + (2R,3S,4S)-4-Hydroxy-2,3,5-trimethoxy-pentanal (6798-48-7) + 2,4,6-tri-O-methyl-D-galactose (5856-20-2) + 2,3,4,6-tetra-O-methyl-D-galactose (3615-47-2,5856-22-4,15075-09-9,4060-05-3) + 3-O-methyl-L-rhamnose (18546-13-9) + C9H16(2)H2O6 + C10H18O7

Guidance literature:

low-molecular-mass polysaccharide from Cucurbia moschata; With sodium borodeuteride; N-cyclohexyl-N'-β-(4-methylmorpholinium)ethylcarbodiimide p-toluenesulfonate;

With sodium hydroxide; methyl iodide; In dimethyl sulfoxide; Further stages;

DOI:10.1016/j.carbpol.2020.117090

Reference yield:

Agaricus bisporus fucogalactan RFP-Ab + methyl iodide (74-88-4) → O2,O3,O4-Trimethyl-6-desoxy-L-galactose (7439-05-6,10504-43-5,20735-88-0,22252-42-2,78513-65-2) + O3,O4-dimethyl-D-galactose (5856-23-5,27299-06-5,37111-57-2,50721-19-2) + 2.3.4-Tri-O-methyl-D-galactose (4060-09-7,4060-13-3,4239-83-2,5856-24-6,7330-01-0,40896-77-3,58894-01-2) + 2,3,4,6-tetra-O-methyl-D-galactose (3615-47-2,5856-22-4,15075-09-9,4060-05-3)

Guidance literature:

Agaricus bisporus fucogalactan RFP-Ab; methyl iodide; With sodium hydroxide; In dimethyl sulfoxide;

With formic acid; In water; at 100 ℃; for 6h;

DOI:10.1016/j.carbpol.2011.09.071

upstream raw materials:

C₄₂H₇₀O₉

dimethyl sulfate

p-nitrophenyl 4,6-O-benzylidene-3-O-D-galactopyranosyl-β-D-galactopyranoside

methyl iodide

Downstream raw materials:

O²,O³,O⁵,O⁶-tetramethyl-D-galactonic acid-lactone

bis-(tetra-O-methyl-ξ-D-idopyranosyl)-ether

D-Galactose

Refernces

• 1、 Yadava,Raghuvansi, Jyotsna. "Antibacterial Activity of a New Flavone Glycoside from the Stems of Holmskioldia sanguinea Retz.". . p. 1815 - 1818. Retrieved 2019/07/18.
• 2、 Ruthes, Andrea C.,Rattmann, Yanna D.,Carbonero, Elaine R.,Gorin, Philip A.J.,Iacomini, Marcello. "Structural characterization and protective effect against murine sepsis of fucogalactans from Agaricus bisporus and Lactarius rufus". experimental part. p. 1620 - 1627. Retrieved 2012/04/11.