[reaction: see text]. A new and operationally simple method has been developed for the regiospecific syntheses of 4-(2-oxoalkyl)pyridines from ketones and pyridine in good yields, using triflic anhydride to activate the pyridine ring.
[反应:请参见文字]。已经开发了一种新的且操作简单的方法,该方法可使用
三氟甲磺酸酐活化
吡啶环,以高收率由酮和
吡啶合成4-(2-氧代烷基)
吡啶的区域特异性。