phenyl 2-O-acetyl-3-O-(azulen-1-yl-oxo-acetyl)-4,6-O-benzylidene-β-D-thiogalactopyranoside

Base Information

• Chemical Name: phenyl 2-O-acetyl-3-O-(azulen-1-yl-oxo-acetyl)-4,6-O-benzylidene-β-D-thiogalactopyranoside
• CAS No.: 1203546-87-5
• Molecular Formula: C₃₃H₂₈O₈S
• Molecular Weight: 584.647

Synonyms:phenyl 2-O-acetyl-3-O-(azulen-1-yl-oxo-acetyl)-4,6-O-benzylidene-β-D-thiogalactopyranoside

Chemical Property of phenyl 2-O-acetyl-3-O-(azulen-1-yl-oxo-acetyl)-4,6-O-benzylidene-β-D-thiogalactopyranoside

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Technology Process of phenyl 2-O-acetyl-3-O-(azulen-1-yl-oxo-acetyl)-4,6-O-benzylidene-β-D-thiogalactopyranoside

There total 1 articles about phenyl 2-O-acetyl-3-O-(azulen-1-yl-oxo-acetyl)-4,6-O-benzylidene-β-D-thiogalactopyranoside 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: 95.0%

phenyl 3-O-(azulen-1-yl-oxo-acetyl)-4,6-O-benzylidene-β-D-thiogalactopyranoside (1203546-84-2) + acetic anhydride (108-24-7) → phenyl 2-O-acetyl-3-O-(azulen-1-yl-oxo-acetyl)-4,6-O-benzylidene-β-D-thiogalactopyranoside (1203546-87-5)

Guidance literature:

With pyridine; at 20 ℃; for 12h;

DOI:10.1016/j.tetlet.2009.10.043

Reference yield: 95.0%

phenyl 2-O-acetyl-3-O-(azulen-1-yl-oxo-acetyl)-4,6-O-benzylidene-β-D-thiogalactopyranoside (1203546-87-5) → phenyl 4,6-di-O-benzylidene-1-thio-β-D-galactopyranoside (71676-30-7,87508-17-6,138922-03-9,87508-18-7)

Guidance literature:

With methanol; sodium methylate; pH=9.5;

DOI:10.1016/j.tetlet.2009.10.043

Reference yield: 92.0%

phenyl 2-O-acetyl-3-O-(azulen-1-yl-oxo-acetyl)-4,6-O-benzylidene-β-D-thiogalactopyranoside (1203546-87-5) + 1,2-diamino-benzene (95-54-5) → phenyl 2-O-acetyl-4,6-O-benzylidene-β-D-thiogalactopyranoside + 2-(azulen-1-yl)-3-hydroxybenzopyrazine (1203546-94-4)

Guidance literature:

With water; acetic acid; In ethanol; Reflux;

DOI:10.1016/j.tetlet.2009.10.043

upstream raw materials:

phenyl 3-O-(azulen-1-yl-oxo-acetyl)-4,6-O-benzylidene-β-D-thiogalactopyranoside

acetic anhydride

Downstream raw materials:

phenyl 2-O-acetyl-3-O-(azulen-1-yl-oxo-acetyl)-β-D-thiogalactopyranoside

phenyl 4,6-di-O-benzylidene-1-thio-β-D-galactopyranoside

2-(azulen-1-yl)-3-hydroxybenzopyrazine

6-O-(2-O-acetyl-4,6-O-benzylidene-3-O-(3-phenylthio-azulen-1-yl-oxo-acetyl)-β-D-galactopyranosyl)-1,2:3,4-di-O-isopropylidene-α-D-galactopyranose

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