122082-92-2Relevant academic research and scientific papers
1,3-Dipolar cycloadditions of diazoalkanes to heteroaromatic systems. The synthesis of triazolo[4,3-b] [1,2]diazepine and cyclopropa[e]pyrazolo[4,3-c]azolo[1,5-a]pyridine derivatives
Stanovnik, Branko,Habjan, Gorazd,Tisler, Miha,Golic, Ljubo,Leban, Ivan
, p. 259 - 268 (2007/10/02)
1,3-Dipolar cycloaddition of 2-diazopropane to 6-methyl-8-phenylsulphonyl-s-triazolo[4,3-b]pyridazine (4), 6-nitros-triazolo[4,3-a]pyridine (9) and 6-nitrotetrazolo[1,5-a]pyridine (10) produced the corresponding cycloadducts, which were transformed into derivatives of s-triazolo[4,3-b] [1,2]diazepine (5), cyclopropa [e]pyrazolo[4, 3-c]-s-triazolo[1, 5-a]pyridine (13) and cyclopropa [e]pyrazolo[4, 5-c]tetrazolo[1, 5-a]pyridine (14), respectively.
