UNEXPECTED SYNTHESIS OF 2-(3,8-DIARYL-6-OXO-2,7-DIAZASPIRO[4.4]NONA-2,8-DIEN-1-YLIDENE)MALONONITRILE, A NEW HETEROCYCLIC SYSTEM
DOI:
https://doi.org/10.1007/1576Keywords:
2-amino-1, 1, 3-tricyano-1-propene, 2-(3, 8-diaryl-6-oxo-2, 7-diazaspiro[4.4]nona-2, 8-dien-1-ylidene)malononitrile, phenacyl bromides, alkylationAbstract
Author: V. D. Dyachenko
English translation in Chemistry of Heterocyclic Compounds, 2011, 47 (6), pp 776-777