556-72-9
2,2,4,6,6-pentamethyl-1,5-dihydropyrimidine
+
108-94-1
环己酮
→
~53%
826-36-8
四甲基哌啶酮
35814-33-6
7-azadispiro[5.1.5.3]hexadecan-15-one
5554-54-1
1,2,2,6,6-五甲基-4-哌啶酮
~20%
22280-51-9
2,2-dimethyl-1-azaspiro[5.5]undecan-4-one