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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1493333Generated: October 28, 2026

Hydrochloric Acid → Ammonium Chloride

https://huagongshe.com/reaction/1493333

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantHCID 178433665HCID 178433665—
ProductAmmonium ChlorideHCID 25517—
ProductHCID 178433666HCID 178433666—

Reaction Steps

0.7 g (2.02 mmol) of N-cyano-N'-2-(imidazol-4-yl)ethyl-N"-[3-[(5-methylimidazol-4-yl)methylthio]propyl]guanidine are heated under reflux in 30 ml of 18% hydrochloric acid for 6 hours and evaporated to dryness, leaving 0.98 g (100%) of a turbid oil of ammonium chloride and N-[2-(imidazol-4-yl)ethyl]-N'-[3-[(5-methylimidazol-4-yl)methylthio]propyl]guanidine trihydrochloride as residue.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05021431
Source datasetuspto-grants-1991_06
ORD IDord-81e7a0e9c0c34f76bc1d6a6d43b0be4e
Source noteuspto-grants-1991_06