3-amino-6-methoxypyridazine: a critical pharmaceutical intermediate.
It can be used for pyridopyrimidine compounds with remarkable biological activity or medicines, such as the anticancer drug Ruugeli, which can be used for treating indications such as pain caused by endometriosis, uterine fibroids and advanced prostate cancer. At present, many reports on the preparation method of the compound exist, and various process impurities such as 3-amino-6-chloropyridazine, 3-amino-6-hydroxypyridazine, 3-chloro-6-hydroxypyridazine, 3-dichloropyridazine, 3, 6-dimethoxypyridazine, 3-amino-6-methoxypyridazine, 3-aminopyridazine and the like are often introduced in the process of the conventional synthesis process.
