2,2-Dimethyl-propionic acid (R)-3-((3S,4R,5R,6S)-2-ethylsulfanyl-4-hydroxy-6-hydroxymethyl-5-methyl-tetrahydro-pyran-3-yl)-2-methyl-propyl ester                                                                                                                                                              在
                                                                                                                                                                                 
咪唑   、                                                                                                  
calcium carbonate   、                                                                                                  mercury dichloride                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃   、                                                                                         
水   、                                                                                         
乙腈                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 2,2-Dimethyl-propionic acid (4S,5S,6R,7S)-8-(tert-butyl-dimethyl-silanyloxy)-5,7-dihydroxy-2,6-dimethyl-4-vinyl-octyl ester