The preparation of 4-(2,6-diamino-4H-thiopyran-3,5-dicarbonitrile) derivatives of sydnone and sydnone imines based on the ternary condensation of 4-formyl sydnones and sydnone imines with malononitrile and 2-cyanothioacetamide is reported.
作者:Ilya A. Cherepanov、Evgeny D. Savin、Natal’ya G. Frolova、Maria O. Shishkova、Ivan A. Godovikov、Kyrill Yu. Suponitsky、Konstantin A. Lyssenko、Valery N. Kalinin
DOI:10.1016/j.mencom.2009.11.008
日期:2009.11
The preparation of 4-(2,6-diamino-4H-thiopyran-3,5-dicarbonitrile) derivatives of sydnone and sydnone imines based on the ternary condensation of 4-formyl sydnones and sydnone imines with malononitrile and 2-cyanothioacetamide is reported.