Ring-enlargemen of isoxazol-5-ones to 1,3-oxazin-6-ones
作者:Francesco Risitano、Giovanni Grassi、Francesco Foti、Francesco Caruso、Giacomo Lo Vecchio
DOI:10.1039/p19790001522
日期:——
Isoxazol-5-ones undergo ring-enlargement by reaction with nitrile oxides to give 1,3-oxazin-6-ones. The mechanism is discussed. Some chemical transformations of the oxazinone ring are described.