反应详情

3.5 g (10.33 mmol) 4-chloro-2-((E)-{4-[ethyl(2-hydroxyethyl)amino]phenyl}-diazenyl)-1,3-thiazole-5-carbaldehyde and 2.33 g (15.50 mmol) 1H-indene-1,3(2H)-dione were dissolved in 90 ml ethanole and stirred under reflux. After 6 hours the mixture was allowed to cool to room temperature. The formed precipitate was filtered, washed with ethanol and dried in vacuum at 40° C. to obtain a dark powder.

1. temperatureunder reflux
2. filtrationThe formed precipitate was filtered
3. washwashed with ethanol
4. customdried in vacuum at 40° C.
5. customto obtain a dark powder