烯丙基三丁基锡   、                                                                                      
1-((S)-4-Benzyl-2,2-dimethyl-oxazolidin-3-yl)-2-phenylselanyl-butane-1,3-dione                                                                                                                                                                                              以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 (R)-2-Allyl-1-((S)-4-benzyl-2,2-dimethyl-oxazolidin-3-yl)-butane-1,3-dione   、                                                                                             (S)-2-Allyl-1-((S)-4-benzyl-2,2-dimethyl-oxazolidin-3-yl)-butane-1,3-dione   、                                                                                             alkaline earth salt of/the/ methylsulfuric acid