1,3-Dipolar cycloaddition of 2-diazopropane to s-triazolo [1,5-b]pyridazine and bis-s-triazolo[1,5-b:3',4'-f]pyridazine derivatives. The synthesis and transformation of 9H-pyrazolo[4,3-d]-s-triazolo[1,5-b]pyridazine, 9H-pyrazolo[3,4-d]bis-s-triazolo[4,3-b:5',1'-f]pyridazine and 11H-pyrazolo[3,4-d]bis-s-triazolo[1,5-b:3',4'-f]pyridazine derivatives / B. Stanovnik, A. Mozer, M. Tišler
1,3-Dipolar cycloaddition of 2-diazopropane to s-triazolo [1,5-b]pyridazine and bis-s-triazolo[1,5-b:3',4'-f]pyridazine derivatives. The synthesis and transformation of 9H-pyrazolo[4,3-d]-s-triazolo[1,5-b]pyridazine, 9H-pyrazolo[3,4-d]bis-s-triazolo[4,3-b:5',1'-f]pyridazine and 11H-pyrazolo[3,4-d]bis-s-triazolo[1,5-b:3',4'-f]pyridazine derivatives / B. Stanovnik, A. Mozer, M. Tišler