Electric Literature of 932-22-9, Chemistry is the experimental science by definition. We want to make observations to prove hypothesis. For this purpose, we perform experiments in the lab. 932-22-9, Name is 4,5-Dichloro-3(2H)-pyridazinone,introducing its new discovery.
When 3-chloro-4,5-diaminopyridazine (2) was treated with sodium methylmercaptide in refluxing N,N-dimethylformamide, two heterocycles were formed and isolated, neither of which was the expected 3-methylthio-4,5-diaminopyridazine (3).A thorough spectral analysis of these heterocycles showed them to be 4-methylthioimidazo<4,5-d>pyridazine (5) and imidazo<4,5-d>pyridazine-4-thione (6).N,N-Dimethylformamide was found to provide the one carbon unit required for the formation of 5.The origin of 6 was shown to be a result of S-demethylation of 5.S-Demethylation of 3 could also be effected with sodium methylmercaptide in methyl sulfoxide without the occurrence of annulation.In methyl sulfoxide the process of demethylation was accelerated and occurred at lower temperature.
We’ll also look at important developments in the pharmaceutical industry because understanding organic chemistry is important in understanding health, medicine, the role of 932-22-9, and how the biochemistry of the body works.Electric Literature of 932-22-9
Reference：
Pyridazine – Wikipedia,
Pyridazine | C4H4N2303 – PubChem