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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 382522Generated: October 26, 2026

Hydrochloric Acid → (E)-1-(4-Pyrimidyl)-2-styryl-1H-benzimidazole hydrochloride

https://huagongshe.com/reaction/382522

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant2-(2-Phenylethenyl)-1h-benzimidazoleHCID 242965—
Reactant4-ChloropyrimidineHCID 642834—
Reactant(E)-1-(2-pyridyl)-2-styryl-1H-benzimidazoleHCID 9796241—
SolventMethanolHCID 887—
Product(E)-1-(4-Pyrimidyl)-2-styryl-1H-benzimidazole hydrochlorideHCID 22736756—

Reaction Steps

Free base of the titled compound was prepared from 2-styryl-1H-benzimidazole and 4-chloropyrimidine according to the preparation of (E)-1-(2-pyridyl)-2-styryl-1H-benzimidazole (Example 1, method B). The free base was treated with a 10% methanol solution of hydrogen chloride and concentrated to dryness. The residue was recrystallized from ethyl acetate/n-hexane to give the titled compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06310079B1
Source datasetuspto-grants-2001_10
ORD IDord-2b77b0c6d2284a189921496a24ac7ee3
Source noteuspto-grants-2001_10