6329-74-4
5-溴水杨酰胺
+
79099-07-3
N-叔丁氧羰基-4-哌啶酮
→
~40%
690632-05-4
6-溴-4-氧代-3,4-二氢螺[苯并[e][1,3]噁嗪-2,4-哌啶]-1-羧酸叔丁酯