Abstract

Broadband irradiation of N, N-dimethylaminobenzylidene malonic acid derivatives in benzene solution with polycyclic nitroaromatic compounds, namely 1-nitronaphthalene, 9-nitroanthracene and 1-nitropyrene leads to mono-alkylated products predominant, accompanied by the corresponding photoreduction products of the nitroaromatics. Lower conversion was observed in acetonitrile concomitant with 2–4% of the mono-alkylated products, however, no conversion was observed in methanol as solvent. The structures of the products were assigned based on IR, 1H-, 13C NMR and mass spectra, elemental analyses and comparison with authentic samples.

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