2-oxo-2,3-dihydro-1H-indole-5-sulfonic acid methylamide 、
3-[3-(4-hydroxy-piperidin-1-yl)-propyl]-4,5,6,7-tetrahydro-1H-indole-2-carbaldehyde 以to provide (66 mg, 67%yield) of the desired compound的产率得到3-[1-{3-[3-(4-Hydroxy-piperidin-1-yl)-propyl]-4,5,6,7-tetrahydro-1H-indol-2-yl}-meth-(Z)-ylidene]-2-oxo-2,3-dihydro-1H-indole-5-sulfonic acid methylamide