2e-Methyldecahydroquinolin-4-one was reacted with lithium tert-alkylperoxy
acetylides to prepare 4-hydroxy-2e-methyl-4-(2-methyl-2-tert-alkylperoxy-1-
butyn-4-yl)decahydroquinolines. The latter readily react with carboxylic ac
ids and methyl iodide, affording the corresponding salts.