Photolysis of benzoyl esters of 2,2′-dinitrodiphenylcarbinols in neutral and basic media |
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Authors: | Thomas Mathew and C P Joshua |
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Institution: | Department of Chemistry, University of Kerala, Trivandrum 695034 India |
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Abstract: | The photolysis of 2,2′-dinitrodiphenylmethylbenzoates (1a–1d) in 2-propanol gives dibenzo-c, f]-1,2]diazepin-11-one-oxides (5a–5d) as the major product. Dibenzoc, f]-1,2]diazepin-11-ones (2a–2d), 2,2′-dinitrobenzophenones (3a–3d), 2-amino-2′-nitrobenzophenones (4a–4d) and N-hydroxyacridones (6a–6d) are also formed in the reaction. When the irradiation is carried out in benzene, 3-(2′-nitrophenyl)-2,1-benzisoxazoles (7a–7d) are also obtained together with the above products. |
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