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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2259912Generated: November 1, 2026

3-Methylflavone-8-carboxylic acid → HCID 19972616, compound

https://huagongshe.com/reaction/2259912

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-Methylflavone-8-carboxylic acidHCID 77016—
Reactant1-(2-Chloroethyl)-4-(2-methoxyphenyl)piperazineHCID 595673—
ReactantDiethyl ether ethanolHCID 21585056—
ProductHCID 19972616HCID 19972616—

Reaction Steps

The title compound was prepared by the method described in Example 5, but using Intermediate XLVII in place of 8-carboxy-3-methyl-4-oxo-2-phenyl-4H-1-benzopyran and 1-(2-chloroethyl)-4-(2-methoxyphenyl)-piperazine instead of 1-(3-chloropropyl)-4-(2-methoxyphenyl)piperazine. m.p. 193°-196° C. from ethanol/diethyl ether.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05474994
Source datasetuspto-grants-1995_12
ORD IDord-337bfccbac034c4fb402e66c8433dfdb
Source noteuspto-grants-1995_12