1: 2-(9H-fluoren-9-yl)malononitrile With potassium hydride in acetonitrile T=20°C; 0.333333 h; Inert atmosphereGlovebox; 2: 4-acetylamino-2,2,6,6-tetramethylpiperidine-1-oxoammonium in acetonitrile T=24.84°C; Inert atmosphereGlovebox; Thermodynamic data;

borane-ammonia complex in acetonitrile T=60°C; 0.5 h; Inert atmosphere; regioselective reaction;

NSC26899; oxygen in acetonitrile T=30°C; 12 h; Darkness;

1: ammonium acetate / acetic acid; ethyl acetate / 4 h / Heating 2: LiAlH4 View Scheme

competiting reaction;