、
碘化钠 、
异氰酸丙酯 以to give (S)-1-(2-chloro-benzenesulfonyl)-3-propyl-4-[4-(3-trifluoromethyl-pyridin-2-yl)-piperazine-1-carbonyl]-imidazolidin-2-one as a colorless foam的产率得到(S)-1-(2-chloro-benzenesulfonyl)-3-propyl-4-[4-(3-trifluoromethyl-pyridin-2-yl)-piperazine-1-carbonyl]-imidazolidin-2-one