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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1700607Generated: October 29, 2026

Hydrochloric Acid → HCID 178433104, compound

https://huagongshe.com/reaction/1700607

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantHCID 10934606HCID 10934606—
ReactantHCID 178418668HCID 178418668—
SolventEthanolHCID 702—
ProductHCID 178433104HCID 178433104141.9%

Reaction Conditions

Temperature90 °C

Reaction Steps

To a mixture of 7-(2-chlorophenyl)-4-methyl-5,6,7,8-tetrahydroquinazolin-5-one (40 mg) and aminoguanidine hydrochloride (16 mg) were added ethanol (3 ml) and 6N hydrochloric acid (0.025 ml), and the mixture was stirred at 90° C. for 3 hours and cooled. The reaction solution was concentrated under reduced pressure, and the residue was washed with ethanol, ethyl acetate and isopropylether, and dried to give (E)-7-(2-chlorophenyl)-5-guanidinoimino-4-methyl-5,6,7,8-tetrahydroquinazoline hydrochloride (Compound 89) (38 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06350749B1
Source datasetuspto-grants-2002_02
ORD IDord-332c8fcda317434c8ca092cf0405874c
Source noteuspto-grants-2002_02