1,2,2,6,6-Pentamethyl-3,5-dimethylene-4-piperidone   、                                                                                      
乙二胺                                                                                                                                                                                              以
                                                                                         
乙醇   、                                                                                         
苯                                                                                  为溶剂,
                                                                                                                                                    反应 27.0h,
                                                                                                                生成                                                 (1R,8S,12R,19S)-9,9,10,11,11,20,20,21,22,22-Decamethyl-3,6,10,14,17,21-hexaaza-tricyclo[17.3.1.18,12]tetracosane-23,24-dione   、                                                                                             
(1S,8R,12S,19R)-9,9,10,11,11,20,20,21,22,22-decamethyl-3,6,10,14,17,21-hexazatricyclo[17.3.1.18,12]tetracosane-23,24-dione   、                                                                                             (1R,8S,12R,19S)-9,9,10,11,11,20,20,21,22,22-Decamethyl-3,6,10,14,17,21-hexaaza-tricyclo[17.3.1.18,12]tetracosane-23,24-dione   、                                                                                             
(1R,8S,12R,19S)-9,9,10,11,11,20,20,21,22,22-Decamethyl-3,6,10,14,17,21-hexaaza-tricyclo[17.3.1.18,12]tetracosane-23,24-dione