2-Aminothiazole → 1-(Cyclopentyloxy)-2-nitrobenzene

Beteiligte Stoffe

Reaktionsschritte

2-(Cyclopentyloxy)-1-nitrobenzene (1.04 g, 80%) was prepared from cyclopentanol (0.46 ml, 5.0 mmol) and 1-fluoro-2-nitrobenzene (0.71 g, 5.0 mmol) following the general procedure G. This was reduced to 2-(cyclopentyloxy)aniline (0.30 g, 68%, 2.5 mmol scale) following general procedure B. N-(2-Cyclopentyloxyphenyl)-N′-(thiazol-2-yl)urea (212 mg, 70%) was prepared from 2-(cyclopentyloxy)aniline (177 mg, 1.0 mmol) and 2-aminothiazole (100 mg, 1.0 mmol) following the general procedure D.

Herkunft & Nachweise