Archiv der Pharmazie p. 465 - 471 (1980)
Update date:2022-08-04
Topics:
Ram, Vishnu Ji
Pandey, Hrishi Kesh
Alkylation of 3-mercaptophenanthreno<9,10-e>-1,2,4-triazine (1b) yielded the S-alkyl derivatives 2a-d.Amination of 1a afforded the 3-amino derivatives 3a-h.Reaction of 1a with hydrazine hydrate gave 3-hydrazinophenanthreno<9,10-e>-1,2,4-triazine (4) which underwent cyclisation with nitrous, formic or acetic acids giving the phenanthreno<9,10-e>-1,2,4-triazino<2,3-d>-1,2,3,4-tetrazole (5) and the phenanthreno<9,10-e>-1,2,4-triazino<2,3-d>-3H-methyl-1,2,4-triazoles 6, 7.Compound 4 also reacted with methyl
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