Substituted pyridines. 2, 5-dimethyl-4-styryl- and -4-phenylethy-nylpyridines

2, 5-Dimethyl-4-styrylpyridine and 2,5-dimethyl-4-phenylethynylpyridine are prepared from 2, 5-dimethyl-4-β-phenylethylpyridine. Hydration of the second of these compounds gives gw-(2,5-dimethylpyridyl-4)acetophenone. © 1969 The Faraday Press, Inc.