(1R,2S,3S,5S)-3-(4-Ethyl-phenyl)-8-aza-bicyclo[3.2.1]octane-2,8-dicarboxylic acid 2-methyl ester 8-(2,2,2-trichloro-ethyl) ester 在
高氯酸 、
碘 、
溶剂黄146 、
mercury(II) oxide 作用下,
以68%的产率得到2-O-methyl 8-O-(2,2,2-trichloroethyl) (1R,2S,3S,5S)-3-(4-ethyl-3-iodophenyl)-8-azabicyclo[3.2.1]octane-2,8-dicarboxylate