(3R,4S)-3-(([tert-butyl(dimethyl)silyl]oxy)methyl)-4-phenylpyrrolidine 、 (R/S)-2-Hydroxy-3-(cyclobutyl)propanoic acid, (4-methoxy)benzyl ester 在
2-(S)-(3-(R)-(hydroxymethyl)-4-(S)-phenylpyrrolidin-1-yl)-3-(cyclobutyl)propanoic acid, (4-methoxy)benzyl ester 作用下,
以Chiralpak AD 2×25 cm column, 17:3 v/v hexanes/iPrOH, 9.0 mL/min, 220 nm) to provide the title compound的产率得到