Pyrido[2,3-d]pyrimidine derivatives were synthesized by the reaction of 2-hydrazinopyrido[2,3-d]-pyrimidin-4(3H)-one with different aryl aldehydes and active methylene compounds. Their structures were characterized by spectroscopic methods. Click to show full abstract
Pyrido[2,3-d]pyrimidine derivatives were synthesized by the reaction of 2-hydrazinopyrido[2,3-d]-pyrimidin-4(3H)-one with different aryl aldehydes and active methylene compounds. Their structures were characterized by spectroscopic methods.
               
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