Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2351083Generated: October 27, 2026

Hydrochloric Acid → 3-Aminotetrahydro-2(1H)-pyrimidinone, monohydrochloride

https://huagongshe.com/reaction/2351083

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactanttetrahydro-3-[(phenylmethylene)amino]-2(1H)-pyrimidinoneHCID 54495459—
SolventWaterHCID 962—
Product3-Aminotetrahydro-2(1H)-pyrimidinone, monohydrochlorideHCID 131716145—

Reaction Steps

A solution of 5.7 g (28.0 mmol) tetrahydro-3-[(phenylmethylene)amino]-2(1H)-pyrimidinone in a mixture of 43 ml water and 43 ml concentrated hydrochloric acid was steam distilled until no additional benzaldehyde condensed. The residual solution was evaporated to dryness, triturated with ethanol and dried in vacuo. Yield 3.07 g, melting point 210°-215° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04871841
Source datasetuspto-grants-1989_10
ORD IDord-caccab3206fb436cb5c4f7d5a2a67b1d
Source noteuspto-grants-1989_10