Base-induced ring cleavage of 4-functionalized-3-unsubstituted isoxazoles. Synthesis of 5-aminoazoles and 4-cyanoazoles
作者:A. Alberola、L. F. Antolin、A. M. Gonzalez、M. A. Laguna、F. J. Pulido
DOI:10.1002/jhet.5570230414
日期:1986.7
The base-inducedringcleavage of 4-nitro-(Ia), 4-ethoxycarbonyl- (Ib) and 4-acetyl-5-methylisoxazole (Ic) and the conversion of the resulting β-cyanoenolates and β-enaminonitriles into 5-aminoazoles and 4-cyanoazoles was studied.