反应详情

Combine 25 g (0.14 mol) of 4-chlorophenyl cyclopropyl ketone with 50 g (0.73 mol) of imidazole, and heat to 175° C. for 18 hr. Isolation of the product by column chromatography using 200 g of silica gel and methylene chloride as solvent followed by crystallization from ether affords the title compound.

1. customfollowed by crystallization from ether