9,10-Anthracenedione, 1,2-dinitro- → 1-(p-Tert.-butyl-anilino)-6-nitro-anthraquinone

Beteiligte Stoffe

Reaktionsschritte

The product employed in a) can be obtained as follows: 15 g of 1,6-dinitro-anthraquinone and 30 ml of p-tert.-butyl-aniline are stirred at 125° C until no further dinitroanthraquinone is detectable (approx. 6 hours being required). The warm mixture is diluted with 30 ml of ethylene glycol monomethyl ether, stirred until cold and filtered, and the residue is successively washed with ethylene glycol monomethyl ether and water. 13.9 g of 1-(p-tert.-butyl-anilino)-6-nitro-anthraquinone are obtained.

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