Preparation of an unusual fluoroalkyl phosphinoyl chelate complex, {k-P,C,P,k-O-(CF3)2PCH2C6H3CH2P(CF3)O}2Pt2 |
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| Authors: | Jeramie J Adams |
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| Institution: | Department of Chemistry, Box 3838, University of Wyoming, Laramie, WY 82071, United States |
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| Abstract: | Electron poor cationic complexes (CF3PCP)Pt(L)]+ (where L = CO, NC5F5, or acetone) react with H2O in polar solvents via selective hydrolysis of a single P-CF3 substituent to afford the spectroscopically-characterized phosphinoyl-bridged complex {k3-P,C,P,k1-O-(CF3)2PCH2C6H3CH2P(CF3)O}2Pt2 (1) in good yield. X-ray diffraction confirms the presence of a six-member Pt-P-O-Pt-P-O ring in a chair conformation. The presumed intermediate aqua complex, (CF3PCP)Pt(H2O)+, is stable in dichloromethane, but when dissolved in more polar solvents readily converts to 1. |
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| Keywords: | X-ray crystal structures Platinum complexes Pincer complexes Phosphine ligand hydrolysis Perfluoralkyl phosphines |
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