1-{(6R)-[2-(tert-butyl-diphenyl-silanyloxy)-ethyl]-(5S)-methyl-tetrahydro-pyran-(2S)-yl}-6-methyl-hept-3-en-2-one                                                                                                                                                              在
                                                                                                                                                                                 dimethyl sulfide borane   、                                                                                                  (S)-Corey's chiral borane                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                    反应 8.0h,
                                                                                                                以80%的产率得到1-{(6S)-[2-(tert-butyl-diphenyl-silanyloxy)-ethyl]-(5S)-methyl-tetrahydropyran-(2S)-yl}-6-methyl-hept-3-en-(2R)-ol