(1R,6R,8R)-8-(tert-Butyl)-5,5-dimethyl-2,7-dioxa-9-azabicyclo<4.3.0>non-3-en-3,9-dicarbonsaeure-dimethylester                                                                                                                                                              在
                                                                                                                                         palladium on activated charcoal                                                                                                                                                                                                                               
氢气                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙酸乙酯                                                                                  为溶剂,
                                                                                                                                                    反应 24.0h,
                                                                                                                以68%的产率得到(1R,3S,6R,8R)-8-(tert-Butyl)-5,5-dimethyl-2,7-dioxa-9-azabicyclo<4.3.0>nonan-3,9-dicarbonsaeure-dimethylester