反応 #81830

ord-25680b9d2119456ca39879f14ba8ca68

反応条件

詳細条件
See reaction.notes.procedure_details.

実験手順

A solution of 2,6-dichloro-3-cyano-4-methylpyridine (5.6 g) and imidazole (2.04 g) in dimethylformamide (10 mL) was heated at 130° C. for 1.25 hours. After cooling to room temperature the mixture was fractionated directly on silica gel with chloroform/ethanol gradient) to give 1.5 g of the title compound, suitable for use in the next reaction.

出典

DOI: 10.6084/m9.figshare.5104873.v1特許: US05620974uspto-grants-1997_04