M. Yanai, T. Kinoshita, S. Takeda
Aug 25, 1972
Citations
0
Influential Citations
4
Citations
Journal
Chemical & Pharmaceutical Bulletin
Abstract
The reaction product of 3-hydrazino-4-amino-6-chloropyridazine (IX) with formic acid was established to 6-chloro-8-amino-s-triazolo [4, 5-b] pyridazine (XII) by synthetic method and nuclear magnetic resonance spectral studies. 3-Benzylideneamino-6-chloroimidazo [4, 5-c] pyridazine (XI) was hydrolyzed to give 3-benzylidenehydrazino-4-amino-6-chloropyridazine (X), benzaldehyde and XII which was confirmed as a ring isomerization product of XI.