(3R,4S)-4-tert-bytyldimethylsilyloxymethyl-3-phenoxyacetamido-2-oxo-1-sulfoazetidinone 3,3,6,9,9-pentamethyl-2,10-diazabicyclo<4.4.0>-1-decene salt                                                                                                                                                              在
                                                                                                                                                                                 
四丁基氟化铵                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                                                        以99%的产率得到(3R,4S)-4-hydroxymethyl-3-phenoxyacetamido-2-oxo-1-sulfoazetidine 3,3,6,9,9-pentamethyl-2,10-diazabicyclo<4.4.0>-1-decene salt