2-Hydrazinopyridine → HCID 20296324, compound

Participants

Reaction Steps

A mixture of 3 g. of the above hydrazinopyridine and 30 ml. of ethyl orthoacetate is heated at reflux for 4 hours and filtered to remove a tan solid which is washed with hexane to give 2.15 g. of 6-(3-fluorophenyl)-3-methyl-1,2,4-triazolo[4,3-a]pyridine, m.p. 179°-182° C. Reduction of this product as in Example 1 gives the product of the Example.

Provenance & Evidence