p-methylphenyl 2,3,4,6-tetra-O-benzyl-1-thio-β-D-galactopyranoside

Base Information

• Chemical Name: p-methylphenyl 2,3,4,6-tetra-O-benzyl-1-thio-β-D-galactopyranoside
• CAS No.: 211678-08-9
• Molecular Formula: C₄₁H₄₂O₅S
• Molecular Weight: 646.847
• Hs Code.: 2938909090

Synonyms:p-methylphenyl 2,3,4,6-tetra-O-benzyl-1-thio-β-D-galactopyranoside

Chemical Property of p-methylphenyl 2,3,4,6-tetra-O-benzyl-1-thio-β-D-galactopyranoside

Chemical Property:

Purity/Quality:

95% ^*data from raw suppliers

4-Methylphenyl?2,3,4,6-tetra-O-benzyl-b-D-thiogalactopyranoside ^*data from reagent suppliers

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Technology Process of p-methylphenyl 2,3,4,6-tetra-O-benzyl-1-thio-β-D-galactopyranoside

There total 12 articles about p-methylphenyl 2,3,4,6-tetra-O-benzyl-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: 92.0%

p-methylphenyl-1-thio-β-D-galactopyranoside (1152-39-2,28244-98-6,121523-95-3,131488-68-1) + benzyl bromide (100-39-0) → p-methylphenyl 2,3,4,6-tetra-O-benzyl-1-thio-β-D-galactopyranoside (211678-08-9)

Guidance literature:

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

DOI:10.1002/asia.201300933

Reference yield: 84.0%

p-methylphenyl-1-thio-β-D-galactopyranoside (1152-39-2,28244-98-6,121523-95-3,131488-68-1) + benzyl bromide (100-39-0) → p-tolyl 2,3,4,6-tetra-O-benzyl-1-thio-α-D-galactopyranoside + p-methylphenyl 2,3,4,6-tetra-O-benzyl-1-thio-β-D-galactopyranoside (211678-08-9)

Guidance literature:

p-methylphenyl-1-thio-β-D-galactopyranoside; benzyl bromide; In N,N-dimethyl-formamide; at 0 ℃; for 1h; Inert atmosphere;

With sodium hydride; In N,N-dimethyl-formamide; at 0 - 20 ℃; for 12h; Inert atmosphere;

DOI:10.1021/acs.joc.0c01313

Reference yield: 83.0%

4-methylphenyl 2,3,4,6-tetra-O-acetyl-1-thio-β-D-galactopyranoside (28244-94-2,28244-99-7,86782-41-4,131488-65-8) + benzyl bromide (100-39-0) → p-methylphenyl 2,3,4,6-tetra-O-benzyl-1-thio-β-D-galactopyranoside (211678-08-9)

Guidance literature:

4-methylphenyl 2,3,4,6-tetra-O-acetyl-1-thio-β-D-galactopyranoside; With methanol; sodium methylate; at 20 ℃; for 2h;

benzyl bromide; With tetra-(n-butyl)ammonium iodide; sodium hydride; In N,N-dimethyl-formamide; Cooling with ice;

upstream raw materials:

p-methylphenyl-1-thio-β-D-galactopyranoside

benzyl bromide

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

para-thiocresol

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