3-Cyanopyridine → 3-CYANO-1-METHYLPYRIDINIUM IODIDE

Participants

Reaction Steps

3-Cyanopyridine (1) (104 g, 1 mol) and methyl iodide (150 g, 1.06 mol) in acetone (500 ml) was stirred for 5 hours at room temperature. Then more methyl iodide (20 g, 0.14 mol) was added, and the reaction mixture was stirred overnight at room temperature. The mixture was filtered and the solid product was washed with acetone (100 ml) and then thoroughly with ether. After drying, 199 g (0.81 mol, 81%) of the title compound were obtained, M.P. 145°-150° C.

Provenance & Evidence