e.g. Filippa Pettersson or Cancer Res. 75(6) , 1102-12, (2015) or 10.1002/anie.201600521
Substituted benzopyranopyridopyrimidine ring syntheses by the ternary condensation of malononitrile, salicylaldehyde, and aromatic ketones in the presence of …
A Sakurai, Y Motomura…
Index: Sakurai,A. et al. Journal of Organic Chemistry, 1972 , vol. 37, # 10 p. 1523 - 1526