(1R*,2R*,5S*)-ethyl 3'-methyl-3-oxo-8H-spiro[8-azabicyclo[3.2.1]octane-2,5'-[1,2,3]oxathiazolidine]-8-carboxylate 2',2'-dioxide 在
Chiral pak AD-H column 作用下,
以
乙醇 、
正己烷 为溶剂,
以32 mg的产率得到(1R,2R,5S)-ethyl 3,5'-dioxodihydro-3'H,8H-spiro[8-azabicyclo[3.2.1]octane-2,2'-furan]-8-carboxylate