With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.65202-50-8,Methyl 6-chloropyridazine-3-carboxylate,as a common compound, the synthetic route is as follows.
EXAMPLE 2The preparation of methyl 3-[3-(5-bromopyrimidin-2-yl)benzyl]-1,2,4-triazolo[4,3-b]pyridazine-6-carboxylate (“A9”) and butyl 3-[3-(5-bromopyrimidin-2-yl)benzyl]-1,2,4-triazolo[4,3-b]pyridazine-6-carboxylate (“A10”), preparation of 3-[3-(5-bromopyrimidin-2-yl)benzyl]-1,2,4-triazolo[4,3-b]-pyridazine-6-carboxylic acid (“A11”), and preparation of N-methyl-3-[3-(5-bromopyrimidin-2-yl)benzyl]-1,2,4-triazolo[4,3-b]pyridazine-6-carboxamide (“A12”) is carried out analogously to the following scheme, 65202-50-8
65202-50-8 Methyl 6-chloropyridazine-3-carboxylate 12379801, apyridazine compound, is more and more widely used in various fields.
Reference£º
Patent; MERCK PATENT GMBH MIT BESCHRAENKTER HAFTUNG; US2011/257173; (2011); A1;,
Pyridazine – Wikipedia
Pyridazine | C4H4N2 – PubChem