Studies on seven-membered heterocycles. XXXI. Synthesis of 1,4-oxazepinones and 1,4-diazepinones from 2-pyridones and their conversion into fully unsaturated 1,4-oxazepines and 1,4-diazepines.
Studies on seven-membered heterocycles. XXXI. Synthesis of 1,4-oxazepinones and 1,4-diazepinones from 2-pyridones and their conversion into fully unsaturated 1,4-oxazepines and 1,4-diazepines.