Toluene-4-sulfonic acid 3,5,8-trimethoxy-4-oxo-2-(3,4,5-trimethoxy-phenyl)-4H-chromen-7-yl ester

Base Information

Chemical Name:Toluene-4-sulfonic acid 3,5,8-trimethoxy-4-oxo-2-(3,4,5-trimethoxy-phenyl)-4H-chromen-7-yl ester
CAS No.:117155-47-2
Molecular Formula:C₂₈H₂₈O₁₁S
Molecular Weight:572.59
Hs Code.:

Synonyms:Toluene-4-sulfonic acid 3,5,8-trimethoxy-4-oxo-2-(3,4,5-trimethoxy-phenyl)-4H-chromen-7-yl ester

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of Toluene-4-sulfonic acid 3,5,8-trimethoxy-4-oxo-2-(3,4,5-trimethoxy-phenyl)-4H-chromen-7-yl ester

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Technology Process of Toluene-4-sulfonic acid 3,5,8-trimethoxy-4-oxo-2-(3,4,5-trimethoxy-phenyl)-4H-chromen-7-yl ester

There total 1 articles about Toluene-4-sulfonic acid 3,5,8-trimethoxy-4-oxo-2-(3,4,5-trimethoxy-phenyl)-4H-chromen-7-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: 83.0%

: 110193-72-1
7-hydroxy-3,3',4',5,5',8-hexamethoxyflavone

: 98-59-9
p-toluenesulfonyl chloride

: 117155-47-2
Toluene-4-sulfonic acid 3,5,8-trimethoxy-4-oxo-2-(3,4,5-trimethoxy-phenyl)-4H-chromen-7-yl ester

Guidance literature:: With potassium carbonate; In acetone; Heating;
DOI:10.1246/bcsj.61.441

Reference yield:

: 117155-47-2
Toluene-4-sulfonic acid 3,5,8-trimethoxy-4-oxo-2-(3,4,5-trimethoxy-phenyl)-4H-chromen-7-yl ester

: Toluene-4-sulfonic acid 3-hydroxy-5,8-dimethoxy-4-oxo-2-(3,4,5-trimethoxy-phenyl)-4H-chromen-7-yl ester

: Toluene-4-sulfonic acid 5-hydroxy-3,8-dimethoxy-4-oxo-2-(3,4,5-trimethoxy-phenyl)-4H-chromen-7-yl ester

Guidance literature:: With hydrogenchloride; aluminum tri-bromide; In acetonitrile; Title compound not separated from byproducts; 1.) rt., 2 h; 2.) 70-80 deg C, 15-30 min;
DOI:10.1246/bcsj.61.441

Reference yield:

: 117155-47-2
Toluene-4-sulfonic acid 3,5,8-trimethoxy-4-oxo-2-(3,4,5-trimethoxy-phenyl)-4H-chromen-7-yl ester

: Acetic acid 3,7-diacetoxy-8-methoxy-4-oxo-2-(3,4,5-trimethoxy-phenyl)-4H-chromen-5-yl ester

Guidance literature:: Multi-step reaction with 2 steps

2: pyridine / 24 h / Ambient temperature

With pyridine;
DOI:10.1246/bcsj.61.441