反应详情

The same operation as in Example (232c) was performed using trans(±)-3-(tert-butoxycarbonyl)amino-2-ethylazetidine obtained in Example (234e) (110 mg, 0.55 mmol), ethyl 2-bromo-4-methylthiazole-5-carboxylate (137 mg, 0.55 mmol) and diisopropylethylamine (0.19 mL, 1.10 mmol), to obtain 156 mg of the title compound as a pale yellow oily substance (77%).