Reactions of 2-Amino-3-cyano-4,5,6,7- tetrahydrobenzo [b]tiophene and 6-amino-1,4-dihydro-1,4-diphencyl -5-cyano-3-methylpyrano[2,3-c]pyrazole with arylidenemalononitriles, & a, b-acetylenic esters and ketones