ethyl 4-(7-hydroxy-4-oxo-4H-chromen-3-yl)benzoate

Base Information

Chemical Name:ethyl 4-(7-hydroxy-4-oxo-4H-chromen-3-yl)benzoate
CAS No.:1324054-52-5
Molecular Formula:C₁₈H₁₄O₅
Molecular Weight:310.306
Hs Code.:

Synonyms:ethyl 4-(7-hydroxy-4-oxo-4H-chromen-3-yl)benzoate

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Chemical Property of ethyl 4-(7-hydroxy-4-oxo-4H-chromen-3-yl)benzoate

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Technology Process of ethyl 4-(7-hydroxy-4-oxo-4H-chromen-3-yl)benzoate

There total 12 articles about ethyl 4-(7-hydroxy-4-oxo-4H-chromen-3-yl)benzoate 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: 51.6%

: 1324010-45-8
ethyl 4-(2-(2,4-dihydroxyphenyl)-2-oxoethyl)benzoate

: 1324054-52-5
ethyl 4-(7-hydroxy-4-oxo-4H-chromen-3-yl)benzoate

Guidance literature:: ethyl 4-(2-(2,4-dihydroxyphenyl)-2-oxoethyl)benzoate; With boron trifluoride diethyl etherate; In N,N-dimethyl-formamide; at 10 - 20 ℃; for 0.5h;

With methanesulfonyl chloride; In N,N-dimethyl-formamide; at 60 - 95 ℃; for 5h;

Reference yield:

: 101-97-3
Ethyl 2-phenylethanoate

: 1324054-52-5
ethyl 4-(7-hydroxy-4-oxo-4H-chromen-3-yl)benzoate

Guidance literature:: Multi-step reaction with 9 steps

1.1: carbon disulfide; aluminum (III) chloride / 0.17 h / 0 - 10 °C

1.2: 0 - 10 °C / Reflux

2.1: sodium hydroxide; lithium hydroxide monohydrate / tetrahydrofuran / 20 °C

2.2: 2.5 h / 20 - 90 °C

3.1: oxalyl dichloride / N,N-dimethyl-formamide / dichloromethane / 2 h / 20 °C

4.1: dichloromethane / 2 h / 20 °C

5.1: lithium hydroxide monohydrate / ethanol; water; tetrahydrofuran / 20 °C

5.2: pH 3

6.1: oxalyl dichloride / N,N-dimethyl-formamide / dichloromethane / 2 h / 20 °C

7.1: aluminum (III) chloride / dichloromethane / 0 - 20 °C

8.1: boron tribromide; hydrogenchloride / dichloromethane / -78 - 20 °C

8.2: 20 °C

9.1: boron trifluoride diethyl etherate / N,N-dimethyl-formamide / 0.5 h / 10 - 20 °C

9.2: 5 h / 60 - 95 °C

With hydrogenchloride; carbon disulfide; aluminum (III) chloride; oxalyl dichloride; lithium hydroxide monohydrate; boron trifluoride diethyl etherate; boron tribromide; sodium hydroxide; N,N-dimethyl-formamide; In tetrahydrofuran; ethanol; dichloromethane; water; N,N-dimethyl-formamide;

Reference yield:

: 1878-68-8
2-(4-bromophenyl)-acetic acid

: 1324054-52-5
ethyl 4-(7-hydroxy-4-oxo-4H-chromen-3-yl)benzoate

Guidance literature:: Multi-step reaction with 6 steps

1.1: triethylamine / (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride / 16 h / 120 °C / 30003 Torr

2.1: N,N-dimethyl-formamide; oxalyl dichloride / dichloromethane / 2 h / 0 - 20 °C

3.1: aluminum (III) chloride / dichloromethane / 5 - 20 °C

4.1: boron tribromide / dichloromethane / -10 - 20 °C

5.1: thionyl chloride / 3 h / 0 - 10 °C / Reflux

6.1: boron trifluoride diethyl etherate / N,N-dimethyl-formamide / 0.5 h / 10 - 20 °C

6.2: 5 h / 60 - 95 °C

With aluminum (III) chloride; thionyl chloride; oxalyl dichloride; boron trifluoride diethyl etherate; boron tribromide; triethylamine; N,N-dimethyl-formamide; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; In dichloromethane; N,N-dimethyl-formamide;