135128-12-0Relevant academic research and scientific papers
Pyridazines, LIV : On the Synthesis of Pyridazine-Fused S-Heterocycles: Thienopyridazine, Pyrimidothienopyridazine, and Pyridazinobenzothiazine
Czech, Karin,Haider, Norbert,Heinisch, Gottfried
, p. 413 - 418 (1991)
Starting from 3-chloro-4-pyridazinecarbonitrile (1), the thienopyridazine derivatives 2 and 3 were prepared.Condensation of 3 with triethyl orthoformate afforded the novel tricyclic system 4.Reaction of 1 with 2-aminothiophenol, followed by treatment with
