(1R,2R,6S,7R)-4,4-Dimethyl-8-(toluene-4-sulfonyl)-9-trichloromethyl-3,5-dioxa-8-aza-tricyclo[5.2.1.02,6]decane                                                                                                                                                              在
                                                                                                                                                                                 
锌                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                                                        以90%的产率得到N-[(3aR,4S,6S,6aS)-6-(2,2-Dichloro-vinyl)-2,2-dimethyl-tetrahydro-cyclopenta[1,3]dioxol-4-yl]-4-methyl-benzenesulfonamide