反应详情

1.21 g (4.35 mmol) of the compound of Example 1A is reacted analogously to the synthesis of the compound of Example 20A with 1.04 g (4.78 mmol) of 4-chloropyridin-3-yl-hydrazine dihydrochloride. After hydrolysis, 220 mg (14% of theory) of the title compound is obtained.