155876-50-9Relevant academic research and scientific papers
Bicyclic [b]-heteroannulated pyridazine derivatives. Part 1: 3,8-Disubstituted-7,8-dihydro-s-triazolo[4,3-b]pyridazin-6(5H)-ones: Synthesis and N- and/or O-alkylation
Lange,Karolak-Wojciechowska,Gniewosz,Plenkiewicz
, p. 21 - 24 (2007/10/02)
4-Substituted 4,5-dihydropyridazin-3,6-dione 3-hydrazones (1) gave with trifluoroacetic acid the corresponding 8-substituted-7,8-dihydro-3-trifluoromethyl-s-triazolo[4,3-b)pyridazin -6(5 H)-ones (3). Alkylation of 3 in a DMF-benzene mixture in the presenc
