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

Base Information

Chemical Name:Acetic acid 2-(4-benzyloxy-phenyl)-3,7-dimethoxy-4-oxo-5-(toluene-4-sulfonyloxy)-4H-chromen-6-yl ester
CAS No.:154047-98-0
Molecular Formula:C₃₃H₂₈O₁₀S
Molecular Weight:616.645
Hs Code.:

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

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

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

There total 1 articles about Acetic acid 2-(4-benzyloxy-phenyl)-3,7-dimethoxy-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: 89.0%

: 98-59-9
p-toluenesulfonyl chloride

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

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

Guidance literature:: With potassium carbonate; In acetone; Heating;
DOI:10.1246/bcsj.66.2668

Reference yield: 86.0%

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

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

Guidance literature:: With aluminum tri-bromide; In acetonitrile; at 0 ℃; for 1h;
DOI:10.1246/bcsj.66.2668

Reference yield:

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

: 111864-35-8
3,5,6-Trihydroxy-2-(4-hydroxy-phenyl)-7-methoxy-chromen-4-one

Guidance literature:: Multi-step reaction with 5 steps

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

2: 74 percent / 10percent aq. potassium hydroxide / methanol / 1.5 h / 0 °C

3: 1.) N,N-diisopropylethylamine, 2.) potassium carbonate / 1.) CH₂Cl₂, RT, 30 min, 2.) MeOH, reflux, 1.5 h

4: hydrochloric acid, acetic acid / 1 h / Ambient temperature

5: H₂ / 10percent Pd/C / methanol

With hydrogenchloride; potassium hydroxide; aluminum tri-bromide; hydrogen; potassium carbonate; acetic acid; N-ethyl-N,N-diisopropylamine; palladium on activated charcoal; In methanol; acetonitrile;
DOI:10.1246/bcsj.66.2668