(R)-methoxytrifluoromethylphenylacetyl chloride 、
(1'RS,4R,5R)-4,5-diphenyl-2-ethyl-2-(1'-methyl-2'-oxo)butyl-1,3-dioxolane 生成
(S)-3,3,3-Trifluoro-2-methoxy-2-phenyl-propionic acid (1R,2S)-1-ethyl-2-methyl-3-oxo-pentyl ester 、 (S)-3,3,3-Trifluoro-2-methoxy-2-phenyl-propionic acid (1R,2R)-1-ethyl-2-methyl-3-oxo-pentyl ester 、
(S)-3,3,3-Trifluoro-2-methoxy-2-phenyl-propionic acid (1S,2S)-1-ethyl-2-methyl-3-oxo-pentyl ester 、 (S)-3,3,3-Trifluoro-2-methoxy-2-phenyl-propionic acid (1S,2R)-1-ethyl-2-methyl-3-oxo-pentyl ester