Benzyl 2'-(4-fluorobenzylcarbamoyl)-3'-hydroxy-4'-oxo-4',6',7',8'-tetrahydrospiro[piperidine-4,10'-pyrimido[2,1-c][1,4]oxazepine]-1-carboxylate 在
氢溴酸 、
溶剂黄146 作用下,
以
二氯甲烷 为溶剂,
反应 3.0h,
以86%的产率得到N-(4-Fluorobenzyl)-3'-hydroxy-4'-oxo-4',6',7',8'-tetrahydrospiro[piperidine-4,10'-pyrimido[2,1-c][1,4]oxazepine]-2'-carboxamide