123387-51-9
4,4-(乙烯二氧基)-1-叔丁氧羰基哌啶
+
74-88-4
甲基碘
→
~71%
126503-08-0
tert-butyl 7-methyl-1,4-dioxa-8-azaspiro[4.5]decane-8-carboxylate