反应详情

Prepared by the method of Example 15b), from N-(2-hydroxy-5-methoxyphenyl)-2-fluoro-5-nitro benzamide (1.23 g, 4.0 mmol) and p-toluenesulfonic acid monohydrate (1.67 g, 8.8 mmol) the subtitle compound was obtained (700 mg, 53%). MS 289.1 m/z (M+H)+.