Nawal Mishriky, Fahmy M. Asaad, Adel S. Girgis and Yehia A. Ibrahim
Reaction of the2-arylmethylidene-2,3-dihydro-1H -inden-1-ones 1a–fwith malononitrile in alcoholic KOH affords2-alkoxy-4-aryl-5H -indeno[1,2-b ]pyridine-3-carbonitriles 2a–l and(2-arylmethyl-2,3-dihydro-1H -inden-1-ylidene)dicyanomethanes 6a–f.