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2,3,4a,8a-Tetrachloro-6,7-dimethyl-4a,5 ,8,8a-tetrahydro-1,4-naphthoquinone (5) reacts with arylamines 8a-e to give 2-amino-dihydroquinones 4a-e. Alkylamines 8f and h give 2-amino-dihydroquinones 4f, h and 2-amino-1,4-naphthoquinones 7f, h, dialkylamines 9f, g, i and j give 2-amino-dihydroqulnones 3f, g, i, j, 2-amino-1,4-naphthoquinones 6f, g, i, j and the photodesalkylated products 10f and g.

Die Reaktion des 2,3,4a,8a-Tetrachlor-6,7-dimethyl-4a,5,8,8a-tetrahydro-1,4-naphthochinons mit Aminen