Preparation and Oxidative-Chlorination Splitting of Nitro Derivatives OF 1, 4-Dithiino [2, 3-C: 5, 6-C′] Diquinoline as a Source of 4-Substituted 5-and 8-Nitro-3- …

…, M Szmielew, MJ Maślankiewicz, J Kusz…

Index: Chrobak, Elwira; Maslankiewicz, Andrzej; Chycko, Magdalena; Skrzypek, Leszek; Szmielew, Magorzata; Maslankiewicz, Maria J.; Kusz, Joachim; Zubko, Maciej Phosphorus, Sulfur and Silicon and the Related Elements, 2012 , vol. 187, # 10 p. 1208 - 1225

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Abstract

View all references (see Scheme 1, ref.,8. Maślankiewicz , A. 1985,. Polish J. Chem., 59: 511–520. ... An attempt to obtain nitro derivatives of 1a by way of reaction with nitrating mixture led almost quantitatively to thioquinanthrene 7-oxide 2a. 8 13. Maślankiewicz , MJ 1993,. Polish J. Chem., 67: 245–250. ... View all references (Scheme 2) However, treatment of sulfoxide 2a with an excess of nitrating mixture for a longer reaction time transformed 2a into a mixture ...