Soliman, Essayed A. [السيد سليمان]; Hussain, Badria A.; Alnaimi, Ibrahim S. (
Qatar University
, 1986 , Article)
The synthesis and reaction of 2-Chloro-4-phenyl-6-p-tolyl- nicotinonitrile (I) with hydrazine hydrate, sodium azide and urea to give the corresponding hydrazino tetrazolopyridine and urea derivatives respectively, are ...