2-Aminothiazole → N-[2-(3,4-Methylenedioxyphenoxy)phenyl]-N'-(thiazol-2-yl)urea

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Reaktionsschritte

2-(3,4-Methylenedioxyphenoxy)-1-nitrobenzene (0.75 g, 58%) was prepared from 3,4-methylenedioxyphenol (0.76 g, 5.5 mmol) and 1-fluoro-2-nitrobenzene (0.71 g, 5.0 mmol) following the general procedure A. This was reduced to 2-(3,4-methylenedioxyphenoxy)-aniline (0.47 g, 71%) following general procedure B. N-[2-(3,4-Methylenedioxyphenoxy)-phenyl]-N′-(thiazol-2-yl)urea (120 mg, 68%) was prepared from 2-(3,4-methylenedioxy-phenoxy)aniline (115 mg, 0.5 mmol) and 2-aminothiazole (60 mg, 0.6 mmol) following the general procedure D.

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