(1) Part IX, see THIS JOURNAL, BS, 2697 (1937).(2) Presented before the Organic Section of the American Chemical Society, April 11, 1946, at Atlantic City, New Jersey. A paper dealing with the reactivity of the 3-methyl group in 3-methylisoquinoline and its salts has, in the meantime, been published by Erlenmeyer, Baumanu and Sorkin (Hclu. Chim. Acta, 91, 1978 (194811.(a) Mills utirl Fiijith. r. Ch* u. Yuc, 121, 2724 (lP22). condense with p- ...