Acetic acid 2-(4-benzyloxy-phenyl)-3-hydroxy-7-methoxy-4-oxo-5-(toluene-4-sulfonyloxy)-4H-chromen-6-yl ester

Base Information

• Chemical Name: Acetic acid 2-(4-benzyloxy-phenyl)-3-hydroxy-7-methoxy-4-oxo-5-(toluene-4-sulfonyloxy)-4H-chromen-6-yl ester
• CAS No.: 154048-06-3
• Molecular Formula: C₃₂H₂₆O₁₀S
• Molecular Weight: 602.618

Synonyms:Acetic acid 2-(4-benzyloxy-phenyl)-3-hydroxy-7-methoxy-4-oxo-5-(toluene-4-sulfonyloxy)-4H-chromen-6-yl ester

Chemical Property of Acetic acid 2-(4-benzyloxy-phenyl)-3-hydroxy-7-methoxy-4-oxo-5-(toluene-4-sulfonyloxy)-4H-chromen-6-yl ester

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Technology Process of Acetic acid 2-(4-benzyloxy-phenyl)-3-hydroxy-7-methoxy-4-oxo-5-(toluene-4-sulfonyloxy)-4H-chromen-6-yl ester

There total 3 articles about Acetic acid 2-(4-benzyloxy-phenyl)-3-hydroxy-7-methoxy-4-oxo-5-(toluene-4-sulfonyloxy)-4H-chromen-6-yl ester 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: 86.0%

Acetic acid 2-(4-benzyloxy-phenyl)-3,7-dimethoxy-4-oxo-5-(toluene-4-sulfonyloxy)-4H-chromen-6-yl ester (154047-98-0) → Acetic acid 2-(4-benzyloxy-phenyl)-3-hydroxy-7-methoxy-4-oxo-5-(toluene-4-sulfonyloxy)-4H-chromen-6-yl ester (154048-06-3)

Guidance literature:

With aluminum tri-bromide; In acetonitrile; at 0 ℃; for 1h;

DOI:10.1246/bcsj.66.2668

Reference yield:

p-toluenesulfonyl chloride (98-59-9) → Acetic acid 2-(4-benzyloxy-phenyl)-3-hydroxy-7-methoxy-4-oxo-5-(toluene-4-sulfonyloxy)-4H-chromen-6-yl ester (154048-06-3)

Guidance literature:

Multi-step reaction with 2 steps

1: 89 percent / potassium carbonate / acetone / Heating

2: 86 percent / aluminum bromide / acetonitrile / 1 h / 0 °C

With aluminum tri-bromide; potassium carbonate; In acetone; acetonitrile;

DOI:10.1246/bcsj.66.2668

Reference yield:

Acetic acid 2-(4-benzyloxy-phenyl)-5-hydroxy-3,7-dimethoxy-4-oxo-4H-chromen-6-yl ester → Acetic acid 2-(4-benzyloxy-phenyl)-3-hydroxy-7-methoxy-4-oxo-5-(toluene-4-sulfonyloxy)-4H-chromen-6-yl ester (154048-06-3)

Guidance literature:

Multi-step reaction with 2 steps

1: 89 percent / potassium carbonate / acetone / Heating

2: 86 percent / aluminum bromide / acetonitrile / 1 h / 0 °C

With aluminum tri-bromide; potassium carbonate; In acetone; acetonitrile;

DOI:10.1246/bcsj.66.2668

upstream raw materials:

Acetic acid 2-(4-benzyloxy-phenyl)-3,7-dimethoxy-4-oxo-5-(toluene-4-sulfonyloxy)-4H-chromen-6-yl ester

p-toluenesulfonyl chloride

Downstream raw materials:

Toluene-4-sulfonic acid 2-(4-benzyloxy-phenyl)-3,6-dihydroxy-7-methoxy-4-oxo-4H-chromen-5-yl ester

3,5,6-Trihydroxy-2-(4-hydroxy-phenyl)-7-methoxy-chromen-4-one

2-(4-Benzyloxy-phenyl)-3,5,6-trihydroxy-7-methoxy-chromen-4-one

2-(4-Benzyloxy-phenyl)-3,5-dihydroxy-7-methoxy-6-methoxymethoxy-chromen-4-one

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