N-[[3-[2-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)ethyl]-1H-indol-5-yl]methyl]trifluoromethanesulphonamide 、
sodium;hydride 、
碘甲烷 以
N,N-二甲基甲酰胺 为溶剂,
以gave the title compound (0.51 g) as a yellow solid m.p. 131°-3° after column chromatography on kieselgel 60 (80 g)的产率得到N-[[3-[2-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)ethyl]-1H-indol-5-yl]methyl]-N-methyltrifluoromethanesulphonamide