(E)-4-{(2S,3R,4R,5S)-3,4-Dihydroxy-5-[(2S,3S)-3-((1S,2S)-2-hydroxy-1-methyl-propyl)-oxiranylmethyl]-tetrahydro-pyran-2-yl}-3-methyl-but-2-enethioic acid S-methyl ester                                                                                                                                                              在
                                                                                                                                                                                 
盐酸   、                                                                                                  coper iodide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙腈                                                                                  为溶剂,
                                                                                                                                                    反应 1.0h,
                                                                                                                生成                                                 
(7RS)-7-<(2S,3R,4R,5S)-5-<(2S,3S,4S,5S)-2,3-epoxy-5-hydroxy-4-methylhexyl>-3,4-dihydroxytetrahydropyran-2-yl>methyl-7-methylundecan-5-one