4-chloro-N-((R)-5,5-dimethyl-2-oxo-azepan-3-yl)-benzenesulfonamide 、
Methyl 3-[4-(bromomethyl)phenyl]propanoate 以to yield 3-(4-{[(4-chloro-benzenesulfonyl)-((R)-5,5-dimethyl-2-oxo-azepan-3-yl)-amino]-methyl}-phenyl)-propionic acid methyl ester的产率得到3-(4-{[(4-chloro-benzenesulfonyl)-((R)-5,5-dimethyl-2-oxo-azepan-3-yl)-amino]-methyl}-phenyl)-propionic acid methyl ester