Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 382549Generated: October 25, 2026

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

https://huagongshe.com/reaction/382549

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant2-FluoropyridineHCID 9746—
Reactant(E)-1-(2-pyridyl)-2-styryl-1H-benzimidazoleHCID 9796241—
Reactant(E)-4-methyl-2-styryl-1H-benzimidazoleHCID 22736633—
SolventMethanolHCID 887—
Product(E)-4-Methyl-1-(2-pyridyl)-2-styryl-1H-benzimidazole hydrochlorideHCID 22736702—

Reaction Steps

Free base of the titled compound was prepared from (E)-4-methyl-2-styryl-1H-benzimidazole and 2-fluoropyridine 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 2-propanol/isopropyl ether to give the titled compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06310079B1
Source datasetuspto-grants-2001_10
ORD IDord-11771a375be945f090140bdf8e6bea06
Source noteuspto-grants-2001_10