O-(methyl 2,3,4-tri-O-benzyl-β-D-galactopyranosyluronate)-(1->4)-O-(methyl 2,3-di-O-benzyl-α-D-galactopyranosyluronate)-(1->4)-

Base Information

• Chemical Name: O-(methyl 2,3,4-tri-O-benzyl-β-D-galactopyranosyluronate)-(1->4)-O-(methyl 2,3-di-O-benzyl-α-D-galactopyranosyluronate)-(1->4)-
• CAS No.: 129729-29-9
• Molecular Formula: C₈₆H₉₂O₁₉Si
• Molecular Weight: 1457.75

Synonyms:

Chemical Property of O-(methyl 2,3,4-tri-O-benzyl-β-D-galactopyranosyluronate)-(1->4)-O-(methyl 2,3-di-O-benzyl-α-D-galactopyranosyluronate)-(1->4)-

Chemical Property:

Purity/Quality:

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Useful:

Technology Process of O-(methyl 2,3,4-tri-O-benzyl-β-D-galactopyranosyluronate)-(1->4)-O-(methyl 2,3-di-O-benzyl-α-D-galactopyranosyluronate)-(1->4)-

There total 1 articles about O-(methyl 2,3,4-tri-O-benzyl-β-D-galactopyranosyluronate)-(1->4)-O-(methyl 2,3-di-O-benzyl-α-D-galactopyranosyluronate)-(1->4)- 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: 70.5%

diazomethane (186581-53-3,908094-01-9,334-88-3) + tert-butyldiphenylsilyl O-(2,3,4-tri-O-benzyl-β-D-galactopyranosyluronic acid)-(1->4)-O-(2,3-di-O-benzyl-α-D-galactopyranosyluronic acid)-(1->4)-2,3-di-O-benzyl-β-D-galactopyranosiduronic acid (129729-28-8) → O-(methyl 2,3,4-tri-O-benzyl-β-D-galactopyranosyluronate)-(1->4)-O-(methyl 2,3-di-O-benzyl-α-D-galactopyranosyluronate)-(1->4)- (129729-29-9)

Guidance literature:

In diethyl ether; ethyl acetate;

DOI:10.1016/0008-6215(90)84203-7

Reference yield: 57.0%

O-(methyl 2,3,4-tri-O-benzyl-β-D-galactopyranosyluronate)-(1->4)-O-(methyl 2,3-di-O-benzyl-α-D-galactopyranosyluronate)-(1->4)- (129729-29-9) → (4S,5R,6S)-4,5-Bis-benzyloxy-6-(tert-butyl-diphenyl-silanyloxy)-5,6-dihydro-4H-pyran-2-carboxylic acid methyl ester + tert-butyldiphenylsilyl O-(2,3,4-tri-O-benzyl-β-D-galactopyranosyluronic acid)-(1->4)-O-(2,3-di-O-benzyl-α-D-galactopyranosyluronic acid)-(1->4)-2,3-di-O-benzyl-β-D-galactopyranosiduronic acid (129729-28-8)

Guidance literature:

With lithium iodide; In pyridine; for 7h; Heating;

DOI:10.1016/0008-6215(90)84203-7

upstream raw materials:

diazomethane

tert-butyldiphenylsilyl O-(2,3,4-tri-O-benzyl-β-D-galactopyranosyluronic acid)-(1->4)-O-(2,3-di-O-benzyl-α-D-galactopyranosyluronic acid)-(1->4)-2,3-di-O-benzyl-β-D-galactopyranosiduronic acid

Downstream raw materials:

tert-butyldiphenylsilyl O-(2,3,4-tri-O-benzyl-β-D-galactopyranosyluronic acid)-(1->4)-O-(2,3-di-O-benzyl-α-D-galactopyranosyluronic acid)-(1->4)-2,3-di-O-benzyl-β-D-galactopyranosiduronic acid

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