Benzaldehyde, 4-(diphenylamino)- → 1H-Benz[f]indene-1,3(2H)-dione

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Reaktionsschritte

Benz[f]indane-1,3-dione was synthesized according to J. Med. Chem., Vol. 16, paragraphs 1334 to 1339 (1973), and 2 g of this sample and 3.1 g of 4-(N,N-diphenylamino)benzaldehyde were heated with stirring in 20 ml of ethanol under reflux for 6 hours. After cooling to room temperature, the obtained crystal was separated by filtration, washed and recrystallized from chloroform-acetonitrile to obtain 4.3 g of Compound (1).

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