反应详情

2-(2,3-Dimethoxyphenoxy)-5-methoxy-1-nitrobenzene (0.85 g, 56%) was prepared from 2,3-dim ethoxyphenol (0.85 g, 5.5 mmol) and 4-chloro-3-nitroanisole (0.94 g, 5.0 mmol) following the general procedure A. This was reduced to 2-(2,3-dimethoxyphenoxy)-5-methoxyaniline (0.65 g, 85%) following general procedure C. N-[2-(2,3-Dimethoxyphenoxy)-5-methoxyphenyl]-N′-(thiazol-2-yl)urea (124 g, 62%) was prepared from 2-(2,3-dimethoxy-phenoxy)-5-methoxyaniline (133 mg, 0.5 mmol) and 2-aminothiazole (60 mg, 0.6 mmol) following the general procedure D.