الفهرس 
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Abstract
It has that 2 aminobenzothiazole 1a and 2 aminobenzimidazole 1b reacts with enaminonitriles, acryladehyde and enaminones yielded a variety of functionally substituted pyrinido{2,1 b} benzothiazole and pyrimido{1,2 a} benzoimidazole derivatives in good to excellen yields.