phthalimidesulfenyl chloride   、                                                                                      
4-((1R,2S,5R)-2-Isopropyl-5-methyl-cyclohexyloxy)-3-oxo-butyric acid methyl ester                                                                                                                                                                                                                                                                                                          以86%的产率得到(E)-2-(1,3-Dioxo-1,3-dihydro-isoindol-2-ylsulfanyl)-3-hydroxy-4-((1R,2S,5R)-2-isopropyl-5-methyl-cyclohexyloxy)-but-2-enoic acid methyl ester