الفهرس 
Acknowledgement
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Abstract
In recent years organoselenium compounds have developed as an exceptional class of structures due to their pivotal role in the synthesis of a wide range of biological compounds and drugs Herein we used eco-friendly method for synthesis of selenopyridines 2-5 by utilizing NaHSe instead of toxic hydrogen selenide and investigated the effect of temperature on the multicomponent reaction of 2-aminoprop-1-ene-1,1,3-tricarbonitrile selenium metal.