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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 382537Generated: October 31, 2026

Hydrochloric Acid → HCID 18360805, compound

https://huagongshe.com/reaction/382537

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantN1-(pyridin-2-yl)benzene-1,2-diamineHCID 752150—
Reactant(E)-1-(2-pyridyl)-2-styryl-1H-benzimidazoleHCID 9796241—
ReactantHCID 22736772HCID 22736772—
SolventMethanolHCID 887—
ProductHCID 18360805HCID 18360805—

Reaction Steps

Free base of the titled compound was prepared from N-(2-pyridyl)-o-phenylenediamine and (E)-4-ethylcinnamoyl chloride (Amino, Y.; Kawada, K.; Toi, K.; Kumashiro, I.; Fukushima, K. Chem. Pharm. Bull., 1988, 36, 4426) according to the preparation of (E)-1-(2-pyridyl)-2-styryl-1H-benzimidazole (Example 1, method A). The free base was dissolved with a 10% methanol solution of hydrogen chloride (5 ml). Concentration and recrystallization from ethyl acetate/ethanol yielded the titled compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06310079B1
Source datasetuspto-grants-2001_10
ORD IDord-1ac681a22f354df38546434786d7c4a0
Source noteuspto-grants-2001_10