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Synthesis of organophosphorus compounds containing different Y,C,Y-chelating ligands. Crystal structure of P-N intramolecularly coordinated diselenoxophosphorane
Authors: Řezníček Tomáš | Dostál Libor | Růžička Aleš | Jirásko Robert | Jambor Roman
Year: 2010
Type of publication: článek v odborném periodiku
Name of source: Inorganica Chimica Acta
Publisher name: Elsevier Science SA
Place: Lausanne
Page from-to: 3302-3307
Titles:
Language Name Abstract Keywords
cze Syntéza organofosforitých sloučenin obsahujících YCY-chelátující ligandy. Struktura P-N intramolekulárně koordinovaného diselenoxofosforánu Byla připravena řada organofosforitých sloučenin obsahujících YCY-chelátující ligandy. Sloučeniny byly studovány pomocí NMR spektroskopie a vyla určena struktura diselenoxofosforánu. organofosforité sloučeniny; selenidy; YCY-chelátující ligand.;
eng Synthesis of organophosphorus compounds containing different Y,C,Y-chelating ligands. Crystal structure of P-N intramolecularly coordinated diselenoxophosphorane The reactions of L1–3Li salts containing different Y,C,Y-chelating ligands L1 = 2,6-(t-BuOCH2)2C6, L2 = 2,6-(MesOCH2)2C6and L3 = 2,6-(Me2NCH2)2C6with PCl3 is reported. While the presence of ligands L2,3 afforded the synthesis of dichlorophosphines L2PCl2 (2) and L3PCl2 (3), the use of ligand L1 resulted to the isolation of O → P coordinated 1-chloro-7-(t-butoxymethyl)-3H-2,1-benzoxaphosphole (1) as the result of the cyclization type reaction of dichlorophosphines L1PCl2. The hydrolysis of compounds 1–3 as well as the preparation of phosphanes L2PH2 (7), L3PH2 (8), L2PH(SnMe3) (9) and L3PH(SnMe3) (10) is also discussed. The presence of N → P coordination enabled the isolation of N → P coordinated diselenoxophosphorane L3PSe2 (11). Compounds 1–11 were characterized by the help of multinuclear NMR spectroscopy, ESI mass spectrometry and the structure of compound 11 was established by X-ray diffraction analysis. organophosphorus; selenide; Y,C,Y-chelating; ligands; diselenoxophosphorane

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