Synthesis of Some New Spiro Heterocycles from the Reaction of 2-Coumarylidenemalononitrile with Active Methylene and Bidentate Reagents
作者:H. Abdel-Ghany、H. M. Moustafa、A. Khodairy
DOI:10.1080/00397919808004451
日期:1998.9
Abstract The reaction of 2-Coumarylidenemalononitriles 1a,b with some active methylene, bidentates and ketoketene S, S or N, S acetals affords a series of new spiro heterocyclic systems.