A New General Method for the Synthesis of 1,3-Disubstituted 5-Cyano-4-methylthio-6-oxo-1,6-dihydropyrano[2,3-<i>c</i>]pyrazoles Using α-Ketoketene<i>S</i>,<i>S</i>-Acetals<sup>1</sup>
作者:A. KUMAR、H. ILA、H. JUNJAPPA
DOI:10.1055/s-1976-24036
日期:——
KUMAR A.; ILA H.; JUNGJAPPA H.; MHATRE S., J. CHEM. SOC. CHEM. COMMUNS <CCOM-A8>, 1976 NO 15, 592-593