rac-[(3R,4S)-4-(4-fluoro-phenyl)-pyrrolidin-3-yl]-methyl-carbamic acid 4-fluoro-phenyl ester 、
1-(5-cyanopyridin-2-yl)piperidine-4-carboxylic acid 在
[(3R,4S)-1-(5'-cyano-3,4,5,6-tetrahydro-2H-[1,2']bipyridinyl-4-carbonyl)-4-(4-fluoro-phenyl)-pyrrolidin-3-yl]-methyl-carbamic acid 4-fluoro-phenyl ester 作用下,
以to yield -[(3S,4R)-1-(5′-cyano-3,4,5,6-tetrahydro-2H-[1,2′]bipyridinyl-4-carbonyl)-4-(4-fluoro-phenyl)-pyrrolidin-3-yl]-methyl-carbamic acid 4-fluoro-phenyl ester (MS (m/e): 546.3 [M+H]+) as a yellow waxy solid的产率得到[(3S,4R)-1-(5'-cyano-3,4,5,6-tetrahydro-2H-[1,2']bipyridinyl-4-carbonyl)-4-(4-fluoro-phenyl)-pyrrolidin-3-yl]-methyl-carbamic acid 4-fluoro-phenyl ester