3-hydroxy-5,6,7,8-tetrahydronaphthalene-2-carbonitrile   、                                                                                      
磺酰氯                                                                                                                                                              在
                                                                                                                                                                                 silica gel   、                                                                                                  
ethyl acetate n-hexane   、                                                                                                  4-Chloro-3-hydroxy-5,6,7,8-tetrahydronaphthalene-2-carbonitrile                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙腈                                                                                  为溶剂,
                                                                                                                                                    反应 18.0h,
                                                                                                                以1-Chloro-3-hydroxy-5,6,7,8-tetrahydro-naphthalene-2-carbonitrile was obtained as a yellow liquid (887 mg, 66.6%, isomer ratio:1:1)的产率得到1-Chloro-3-hydroxy-5,6,7,8-tetrahydro-naphthalene-2-carbonitrile