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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 22335Generated: October 29, 2026

Isopropanol → 7-methoxy-4-methyl-3-phenyl-6-[3-(4-phenyl-1-piperazinyl)propoxy]-2H-1-benzopyran-2-one

https://huagongshe.com/reaction/22335

Reaction equation

Participants

RoleNameHCIDCharge
ReactantIsopropanolHCID 3776—
Reactant1-PhenylpiperazineHCID 7096—
ReactantFumarateHCID 5460307—
Reactant6-(3-chloropropoxy)-7-methoxy-4-methyl-3-phenyl-2H-1-benzopyran-2-oneHCID 19927688—
SolventAcetoneHCID 180—
Product7-methoxy-4-methyl-3-phenyl-6-[3-(4-phenyl-1-piperazinyl)propoxy]-2H-1-benzopyran-2-oneHCID 1992764966%

Reaction Steps

Method B (40 h at 50° C.); starting materials: 6-(3-chloropropoxy)-7-methoxy-4-methyl-3-phenyl-2H-1-benzopyran-2-one (example 79) and 1-phenylpiperazine; yield 66%; fusion point 168°-170° C. (from isopropanol). Fumarate: method E; yield 95%; fusion point 219°-221° C. (from acetone).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05428038
Source datasetuspto-grants-1995_06
ORD IDord-09afacfa03cd4474812a8a3ecf12e3cc
Source noteuspto-grants-1995_06