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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1034148Generated: October 31, 2026

4,5-Dichlorophthalic anhydride → HCID 13365966, compound

https://huagongshe.com/reaction/1034148

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4,5-Dichlorophthalic anhydrideHCID 70334—
ReactantHCID 13366001HCID 13366001—
SolventPyridineHCID 1049—
ProductHCID 13365966HCID 13365966—

Reaction Steps

0.005 mol of 4,5-dichlorophthalic anhydride and 0.005 mol of 1-(4-aminobutyl)-4-(5-phenyl-2-pyrimidinyl)-piperazine in 20 ml of absolute pyridine are boiled under reflux, under an atmosphere of N2, for several hours. After cooling, the product which has crystallised out is filtered off and washed with isopropyl ether.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05314884
Source datasetuspto-grants-1994_05
ORD IDord-7854874339654ee4b36bf8cb5cdd5a48
Source noteuspto-grants-1994_05