反应详情

First, 3.811 g of 2-nitro-4-fluoro-5-chloroaniline, 2.473 g of 4-hydroxypyridine, and 1.827 g of powdered potassium hydroxide were allowed to react at 130° C. for 3 hours in a nitrogen atmosphere in the same way as in Reference Example 1 to give 1.125 g of 2-nitro-4-fluoro-5-(4-oxo-4H-pyridin-1-yl)-aniline.

1. customto react at 130° C. for 3 hours in a nitrogen atmosphere in the same way as in Reference Example 1