反应详情

1.70 g (4.24 mmol) of the compound of Example 14A is reacted analogously to the synthesis of the compound of Example 20A with 1.25 g (6.36 mmol) of 3-chloro-4-fluorophenylhydrazine hydrochloride. After hydrolysis, 896 mg (60% of theory) of the title compound is obtained.