反应详情

The compound (418 mg, 0.947 mmol) obtained in Example 90a, triethylamine (0.658 mL, 4.74 mmol) and di-tert-butyl dicarbonate (248 mg, 1.14 mmol) were used to give the title compound (319 mg; yield, 99%) as a yellow oily substance according to the method described in Example 89c.