2-(3-{[(6-Chloro-2-fluoro-3-methoxy-benzyl)-((S)-1 dimethylaminomethyl-3,3-dimethyl-butyl)-amino]-methyl}-benzyl)-1,1-dioxo-1λ6-isothiazolidine-3-carboxylic acid 、
(1R,2R,3R,5S)-(-)-Isopinocampheylamine 以to form 2-(3-{[(6-chloro-2-fluoro-3-methoxy-benzyl)-((S)-1-dimethylaminomethyl-3,3-dimethyl-butyl)-amino]-methyl}-benzyl)-1,1-dioxo-1λ6-isothiazolidine-3-carboxylic acid((1R,2R,3R,5S)-2,6,6-trimethyl-bicyclo[3.1.1]hept-3-yl)-amide (0.075 g, 68%)的产率得到2-(3-{[(6-chloro-2-fluoro-3-methoxy-benzyl)-((S)-1-dimethylaminomethyl-3,3-dimethyl-butyl)-amino]-methyl}-benzyl)-1,1-dioxo-1λ6-isothiazolidine-3-carboxylic acid((1R,2R,3R,5S)-2,6,6-trimethyl-bicyclo[3.1.1]hept-3-yl)-amide