phenylmagnesium bromide   、                                                                                      
(2R,3R)-3-cyano-2-(1,2-O-isopropylidene-3-O-methyl-α-D-ribo-tetro-1,4-furanos-4-yl)-1-methylaziridine                                                                                                                                                                                              以
                                                                                         
乙醚                                                                                  为溶剂,
                                                                                                                                                    反应 0.17h,
                                                                                                                以41%的产率得到(2R,3R)-benzoyl-3-(O-isopropylidene-1',2'-O-methyl-3'-α-D-ribo-tetrofurannosyl-4')-2-methyl-1-aziridine