2.3-Dihydro-1-methyl-5-<3-(trifluormethyl)-phenyl>-1H-1.4-benzodiazepin-2-on 、
碳酸二乙酯 、
sodium;hydride 以there is obtained 3-(α,α,α-trifluoro-m-tolyl)-isoindole-1-carboxylic acid ethyl ester的产率得到3-(α,α,α-trifluoro-m-tolyl)-isoindole-1-carboxylic acid ethyl ester