(1S,2R,4R)-(-)-10-mercaptoisoboneol 、
(2R,4S)-2-((S)-2-Benzenesulfonyl-1-methyl-ethyl)-4-isopropyl-oxazolidine-3-carboxylic acid benzyl ester 在
三氟化硼乙醚 作用下,
生成 (1S,4S,6R,8R)-4-((R)-2-Benzenesulfonyl-1-methyl-ethyl)-11,11-dimethyl-5-oxa-3-thia-tricyclo[6.2.1.0
1,6]undecane