3,4,5,6-tetrahydro-1H-azepino<5,4,3-cd>indole   、                                                                                      
2,2a,3,4,5,6-hexahydro-1H-azepino[5,4,3-cd]indole   、                                                                                         、                                                                                      
二碳酸二叔丁酯                                                                                                                                                              在
                                                                                                                                                                                 SiO2   、                                                                                                  cyclohexane, ethyl acetate   、                                                                                                  
tert-butyl 1,3,4,6-tetrahydro-5H-azepino[5,4,3-cd]indole-5-carboxylate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                                                        以The expected product tert-butyl 1,3,4,6-tetrahydro-5H-azepino[5,4,3-cd]indole-5-carboxylate was isolated from crude的产率得到tert-butyl 1,3,4,6-tetrahydro-5H-azepino[5,4,3-cd]indole-5-carboxylate