methyl 3,4-O-isopropylidene-2,6-di-O-(4-methoxybenzyl)-1-thio-β-D-galactopyranoside

Base Information

• Chemical Name: methyl 3,4-O-isopropylidene-2,6-di-O-(4-methoxybenzyl)-1-thio-β-D-galactopyranoside
• CAS No.: 143535-84-6
• Molecular Formula: C₂₆H₃₄O₇S
• Molecular Weight: 490.618
• Mol file: 143535-84-6.mol

Synonyms:methyl 3,4-O-isopropylidene-2,6-di-O-(4-methoxybenzyl)-1-thio-β-D-galactopyranoside

Chemical Property of methyl 3,4-O-isopropylidene-2,6-di-O-(4-methoxybenzyl)-1-thio-β-D-galactopyranoside

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of methyl 3,4-O-isopropylidene-2,6-di-O-(4-methoxybenzyl)-1-thio-β-D-galactopyranoside

There total 4 articles about methyl 3,4-O-isopropylidene-2,6-di-O-(4-methoxybenzyl)-1-thio-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: 78.6%

methyl 3,4-O-isopropylidene-1-thio-β-D-galactopyranoside (55663-79-1) + p-methoxybenzyl chloride (824-94-2) → methyl 3,4-O-isopropylidene-2,6-di-O-(4-methoxybenzyl)-1-thio-β-D-galactopyranoside (143535-84-6)

Guidance literature:

With sodium hydride; In N,N-dimethyl-formamide;

DOI:10.1016/0008-6215(91)80023-G

Reference yield:

methyl 1-thio-β-D-galactopyranoside (155-30-6) → methyl 3,4-O-isopropylidene-2,6-di-O-(4-methoxybenzyl)-1-thio-β-D-galactopyranoside (143535-84-6)

Guidance literature:

Multi-step reaction with 2 steps

2: 78.6 percent / NaH / dimethylformamide

With sodium hydride; In N,N-dimethyl-formamide;

DOI:10.1016/0008-6215(91)80023-G

Reference yield:

methyl 2,3,4,6-tetra-O-acetyl-1-thio-β-D-galactopyranoside (55722-48-0) → methyl 3,4-O-isopropylidene-2,6-di-O-(4-methoxybenzyl)-1-thio-β-D-galactopyranoside (143535-84-6)

Guidance literature:

Multi-step reaction with 3 steps

1: NaOMe / methanol

3: 78.6 percent / NaH / dimethylformamide

With sodium methylate; sodium hydride; In methanol; N,N-dimethyl-formamide;

DOI:10.1016/0008-6215(91)80023-G

upstream raw materials:

methyl 3,4-O-isopropylidene-1-thio-β-D-galactopyranoside

p-methoxybenzyl chloride

methyl 1-thio-β-D-galactopyranoside

methyl 2,3,4,6-tetra-O-acetyl-1-thio-β-D-galactopyranoside

Downstream raw materials:

N-[(2S,3R,4R,5S,6R)-5-Hydroxy-6-hydroxymethyl-2-(4-nitro-phenoxy)-4-((2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-3-yl]-acetamide

C₁₈H₂₅NO₁₃

(3aR,5R,5aS,8aS,8bR)-5-[(3aS,4R,6S,7R,7aS)-7-(4-Methoxy-benzyloxy)-4-(4-methoxy-benzyloxymethyl)-2,2-dimethyl-tetrahydro-[1,3]dioxolo[4,5-c]pyran-6-yloxymethyl]-2,2,7,7-tetramethyl-tetrahydro-bis[1,3]dioxolo[4,5-b;4',5'-d]pyran

C₄₂H₅₂N₂O₁₅