4H-1-Benzopyran-2-carboxylic acid, 3-(3,4-dimethoxyphenyl)-7-hydroxy-4-oxo-, ethyl ester

Base Information

Chemical Name:4H-1-Benzopyran-2-carboxylic acid, 3-(3,4-dimethoxyphenyl)-7-hydroxy-4-oxo-, ethyl ester
CAS No.:500865-17-8
Molecular Formula:C20H18O7
Molecular Weight:370.35300
Hs Code.:
Mol file:500865-17-8.mol

Synonyms:3-(3,4-Dimethoxy-phenyl)-7-hydroxy-4-oxo-4H-chromene-2-carboxylic acid ethyl ester;

Suppliers and Price of 4H-1-Benzopyran-2-carboxylic acid, 3-(3,4-dimethoxyphenyl)-7-hydroxy-4-oxo-, ethyl 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 4H-1-Benzopyran-2-carboxylic acid, 3-(3,4-dimethoxyphenyl)-7-hydroxy-4-oxo-, ethyl ester

Chemical Property:

Melting Point:212 - 213 °C (ethanol)
PSA：95.20000
LogP:3.35950

Purity/Quality:

Safty Information:

Pictogram(s):
Hazard Codes:

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Technology Process of 4H-1-Benzopyran-2-carboxylic acid, 3-(3,4-dimethoxyphenyl)-7-hydroxy-4-oxo-, ethyl ester

There total 3 articles about 4H-1-Benzopyran-2-carboxylic acid, 3-(3,4-dimethoxyphenyl)-7-hydroxy-4-oxo-, ethyl 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: 67.0%

: 24126-98-5
1-(2,4-dihydroxyphenyl)-2-(3,4-dimethoxyphenyl)ethan-1-one

: 4755-77-5
Ethyl oxalyl chloride

: 500865-17-8
ethyl 3-(3,4-dimethoxyphenyl)-7-hydroxy-4-oxo-4H-chromene-2-carboxylate

Guidance literature:: With pyridine; at 20 ℃; for 2h;
DOI:10.1002/ejoc.201900078

Reference yield:

: 93-40-3
(3,4-Dimethoxyphenyl)acetic acid

: 500865-17-8
ethyl 3-(3,4-dimethoxyphenyl)-7-hydroxy-4-oxo-4H-chromene-2-carboxylate

Guidance literature:: Multi-step reaction with 2 steps

1: boron trifluoride diethyl etherate / 3 h / 85 °C

2: pyridine / 2 h / 20 °C

With pyridine; boron trifluoride diethyl etherate;
DOI:10.1002/ejoc.201900078

Reference yield:

: 108-46-3
recorcinol

: 500865-17-8
ethyl 3-(3,4-dimethoxyphenyl)-7-hydroxy-4-oxo-4H-chromene-2-carboxylate

Guidance literature:: Multi-step reaction with 2 steps

1: boron trifluoride diethyl etherate / 3 h / 85 °C

2: pyridine / 2 h / 20 °C

With pyridine; boron trifluoride diethyl etherate;
DOI:10.1002/ejoc.201900078