Benzoic acid (3aR,4R,6S,6aS)-6-cyano-2,2-dimethyl-tetrahydro-cyclopenta[1,3]dioxol-4-ylmethyl ester                                                                                                                                                              在
                                                                                                                                                                                 
叠氮化锂   、                                                                                                  
三氟乙酸吡啶                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
吡啶                                                                                  为溶剂,
                                                                                                                                                                                        以88%的产率得到Benzoic acid (3aR,4R,6S,6aS)-2,2-dimethyl-6-(2H-tetrazol-5-yl)-tetrahydro-cyclopenta[1,3]dioxol-4-ylmethyl ester