methyl 4-O-beta-glucopyranosyl-2-O-alpha-rhamnopyranosyl-beta-galactopyranoside

Base Information

Chemical Name:methyl 4-O-beta-glucopyranosyl-2-O-alpha-rhamnopyranosyl-beta-galactopyranoside
CAS No.:128962-68-5
Molecular Formula:C₁₉H₃₄O₁₅
Molecular Weight:502.47
Hs Code.:
Mol file:128962-68-5.mol

Synonyms:methyl 4-oxo-trans-2-octadecenoate;2-Octadecenoic acid,4-oxo-,methyl ester,(E);

Suppliers and Price of methyl 4-O-beta-glucopyranosyl-2-O-alpha-rhamnopyranosyl-beta-galactopyranoside

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of methyl 4-O-beta-glucopyranosyl-2-O-alpha-rhamnopyranosyl-beta-galactopyranoside

Chemical Property:

Vapor Pressure:2.32E-29mmHg at 25°C
Boiling Point:796.8°Cat760mmHg
Flash Point:435.7°C
PSA：237.45000
Density:1.64g/cm³
LogP:-5.89130

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Technology Process of methyl 4-O-beta-glucopyranosyl-2-O-alpha-rhamnopyranosyl-beta-galactopyranoside

There total 9 articles about methyl 4-O-beta-glucopyranosyl-2-O-alpha-rhamnopyranosyl-beta-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:

: Acetic acid (2S,3R,4S,5R,6R)-4,5-diacetoxy-6-acetoxymethyl-2-[(2R,3R,4S,5R,6R)-4-hydroxy-2-hydroxymethyl-6-methoxy-5-((2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-3-yloxy]-tetrahydro-pyran-3-yl ester

: 128962-68-5
methyl 4-O-β-D-glucopyranosyl-2-O-α-L-rhamnopyranosyl-β-D-galactopyranoside

Guidance literature:: With sodium methylate; In methanol; for 3h; Yield given;
DOI:10.1016/0008-6215(90)84132-E

Reference yield:

: 129031-02-3
methyl 3-O-benzyl-4,6-O-benzylidene-2-O-(2,3,4-tri-O-acetyl-α-L-rhamnbopyranosyl)-β-D-galactopyranoside

: 128962-68-5
methyl 4-O-β-D-glucopyranosyl-2-O-α-L-rhamnopyranosyl-β-D-galactopyranoside

Guidance literature:: Multi-step reaction with 6 steps

1: 95 percent / KOH / dioxane

2: 92 percent / aq. 90percent acetic acid / 2 h / 85 °C

3: 62 percent / tetrabutylammonium hydrogensulfate, aq. 5percent NaOH / CH₂Cl₂ / 48 h / Heating

4: 51 percent / molecular sieve 4 Angstroem, tetramethylurea, silver triflate, / CH₂Cl₂ / 12 h / -20 °C

5: H₂, 10percent Pd/C / methanol / Ambient temperature

6: sodium methoxide / methanol / 3 h

With potassium hydroxide; sodium hydroxide; palladium on activated charcoal; 4 A molecular sieve; hydrogen; sodium methylate; silver trifluoromethanesulfonate; tetra(n-butyl)ammonium hydrogensulfate; acetic acid; tetramethylurea; In 1,4-dioxane; methanol; dichloromethane;
DOI:10.1016/0008-6215(90)84132-E

Reference yield:

: 128962-65-2
methyl 3-O-benzyl-2-O-(2,3,4-tri-O-benzyl-α-L-rhamnopyranosyl)-β-D-galactopyranoside

: 128962-68-5
methyl 4-O-β-D-glucopyranosyl-2-O-α-L-rhamnopyranosyl-β-D-galactopyranoside

Guidance literature:: Multi-step reaction with 4 steps

1: 62 percent / tetrabutylammonium hydrogensulfate, aq. 5percent NaOH / CH₂Cl₂ / 48 h / Heating

2: 51 percent / molecular sieve 4 Angstroem, tetramethylurea, silver triflate, / CH₂Cl₂ / 12 h / -20 °C

3: H₂, 10percent Pd/C / methanol / Ambient temperature

4: sodium methoxide / methanol / 3 h

With sodium hydroxide; palladium on activated charcoal; 4 A molecular sieve; hydrogen; sodium methylate; silver trifluoromethanesulfonate; tetra(n-butyl)ammonium hydrogensulfate; tetramethylurea; In methanol; dichloromethane;
DOI:10.1016/0008-6215(90)84132-E