4-chloro-5,6,7,8-tetrahydrodibenzo[a,c]cyclooctene   、                                                                                         、                                                                                      
吡啶                                                                                                                                                                                                                                                                                                          以produced 5,6,7,8-tetrahydrodibenzo[a,c]cycloocten-4-carbonitrile as an oil (60% product, 40% starting material by gas chromatography)的产率得到5,6,7,8-Tetrahydrodibenzo[a,c]cycloocten-4-carbonitrile