(+)-(1R,2S,4S)-N,N-dicyclohexyl-7,7-dimethyl-2-(5-methyl-3-(2,4,6-trimethylphenyl)isoxazole-4-carboxy)bicyclo[2.2.1]heptane-1-methanesulfonamide 在
4-二甲氨基吡啶 、 sodium tetrahydroborate 、
N,N'-二环己基碳二亚胺 作用下,
生成 (S)-2-Phenyl-propionic acid 5-methyl-3-(2,4,6-trimethyl-phenyl)-4,5-dihydro-isoxazol-4-ylmethyl ester