Reactions of bis(trifluoromethyl)nitroxyl with CF3PX2 (where X = F,Cl, Br,I and CN) and P(CN)3 |
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| Authors: | HG Ang KK So |
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| Institution: | Chemistry Department, National University of Singapore, Kent Ridge, Singapore 0511 Republic of Singapore |
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| Abstract: | The reactions between bis(trifluoromethyl)nitroxyl and CF3PX2 (where X = F, Cl, Br and CN) in 2:1 molar ratio give addition products, (CF3)2NO]2P(CF3)X2. The bromo and cyano products are unstable. The former decomposes at room temperature to give bromine and perfluoro-2-azapropene, and the latter yields predominantly (CF3)2NOCF3. With CF3PI2, iodine displacement occurs to afford (CF3)2NO]2PCF3. On the other hand, P(CN)3 affords (CF3)2NO]3PO, (CF3)2NON(CF3)2 and paracyanogen. Mechanisms for these reactions are proposed. |
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