2-(R)-(3-(R)-formyl-4-(S)-phenylpyrrolidin-1-yl)-3-methylbutanoic acid,benzyl ester 、
1-(3-phenylpropyl)-piperidin-4-ol 以31 mg (67%)的产率得到2-(R)-(3-(S)-((4-Hydroxy-4-(3-phenylpropyl)piperidin-1-yl)methyl)-4-(S)-phenylpyrrolidin-1-yl)-3-methylbutanoic acid, benzyl ester