3-(4-Bromo-butyl)-imidazolidine-2,4-dione 、
(+)-4a,9b-trans-8-fluoro-5-(4-fluorophenyl)-1,2,3,4,4a,9b-hexahydro-γ-carboline 在
sodium carbonate 、 potassium iodide 作用下,
以
various solvent(s) 为溶剂,
以16%的产率得到3-{4-[(4aS,9bS)-8-Fluoro-5-(4-fluoro-phenyl)-1,3,4,4a,5,9b-hexahydro-pyrido[4,3-b]indol-2-yl]-butyl}-imidazolidine-2,4-dione