(S)-2-{(1S,2R)-2-[(R)-(tert-Butyl-dimethyl-silanyloxy)-furan-3-yl-methyl]-2-methyl-3-oxo-cyclopentyl}-thiopropionic acid S-tert-butyl ester                                                                                                                                                              在
                                                                                                                                                                                 mercury(II) trifluoroacetate                                                                                                                                  作用下,
                                                                                                                                                                                                                            生成                                                 
(1S,4S,4aS,7aR)-1-Furan-3-yl-4,7a-dimethyl-hexahydro-cyclopenta[c]pyran-3,7-dione