反应详情

According to the same manner as that of Reference Preparation Example 71-(5), 4,5-dichloro-1-(3-chloro-2-pyridinyl)-1H-pyrrole-2-carboxylic acid and 3-amino-7-bromo-4-chloro-2-naphthoic acid were used in place of 4-bromo-1-(3-chloro-2-pyridinyl)-1H-pyrrole-2-carboxylic acid and 2-amino-5-chloro-3-methylbenzoic acid respectively to obtain 10-chloro-2-[4,5-dichloro-1-(3-chloro-2-pyridinyl)-1H-pyrrol-2-yl]-4H-naphtho[2,3-d][1,3]oxazine-4-one of the formula: