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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1982530Generated: October 25, 2026

Imidazole → 8-Phenyl-5,6-dihydroimidazo[1,2-a]pyridine

https://huagongshe.com/reaction/1982530

Reaction equation

Participants

RoleNameHCIDCharge
ReactantImidazoleHCID 795—
ReactantCyclopropyl phenyl ketoneHCID 77029—
SolventDichloromethaneHCID 6344—
Product8-Phenyl-5,6-dihydroimidazo[1,2-a]pyridineHCID 13764012—

Reaction Steps

Combine 25 g (0.17 mol) of cyclopropyl phenyl ketone with 50 g (0.73 mol) of imidazole, and heat to 200° C. for 18 hr. Isolation from 200 g of silica gel using methylene chloride, followed by crystallization from ether provides the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04596872
Source datasetuspto-grants-1986_06
ORD IDord-4545ff0b998542439203efaef455be6b
Source noteuspto-grants-1986_06