(Z)-2-Methyl-but-2-enoic acid (E)-(1S,3R,4S,10S)-3-isopropyl-6,10-dimethyl-2-oxo-11-oxa-bicyclo[8.1.0]undec-6-en-4-yl ester                                                                                                                                                              在
                                                                                                                                                                                 sodium tetrahydroborate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 0.08h,
                                                                                                                以63 mg的产率得到(Z)-2-Methyl-but-2-enoic acid (E)-(1R,2S,3S,4S,10S)-2-hydroxy-3-isopropyl-6,10-dimethyl-11-oxa-bicyclo[8.1.0]undec-6-en-4-yl ester