反应详情

The title compound is prepared from 4-chloro-1,5-dimethyl-6-oxo-1,6-dihydropyridine-3-carboxylic acid by the procedure described in step e for Example 5, using 4-bromo-2-chloroaniline instead of 2-fluoro-4-iodoaniline. The title compound is used for the next reaction without further purification.