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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 326715Generated: October 26, 2026

Formamidine → 5-(o-chlorobenzyl)-6-hydroxy-4(3H)-pyrimidinone

https://huagongshe.com/reaction/326715

Reaction equation

Participants

RoleNameHCIDCharge
ReactantFormamidineHCID 68047—
ReactantDiethyl 2-(2-chlorobenzyl)malonateHCID 12661049—
Product5-(o-chlorobenzyl)-6-hydroxy-4(3H)-pyrimidinoneHCID 19735337—

Reaction Steps

Condensation of diethyl o-chlorobenzylmalonate with formamidine yielded 5-(o-chlorobenzyl)-6-hydroxy-4(3H)-pyrimidinone which, by reaction with phosphorus oxychloride, yielded 4,6-chloro-5-(o-chlorobenzyl)pyrimidine, melting point 110°-112° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05270313
Source datasetuspto-grants-1993_12
ORD IDord-938cb0896f2a4a44bf376abc087d4d14
Source noteuspto-grants-1993_12