1-(4-hydroxyphenyl)-2-oxo-2,4,5,6,7,7a-hexahydro-indole   、                                                                                      
potassium tert-butylate   、                                                                                      
2-氯-N,N-二甲基乙胺                                                                                                                                                              在
                                                                                                                                                                                 crude product   、                                                                                                  
正己烷                                                                                                                                  作用下,
                                                                                                                                                                                        反应 6.0h,
                                                                                                                以17.5 g (yield 57%) of 1-[4-(2-dimethylaminoethoxy)-phenyl]-2-oxo-2,4,5,6,7,7a-hexahydro-indole, m.p. 90° C, were obtained的产率得到1-[4-(2-dimethylaminoethoxy)-phenyl]-2-oxo-2,4,5,6,7,7a-hexahydro-indole