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Phosphinimine complex of organotin(IV) compounds stabilized by O,C,O - chelating ligand
Authors: Řezníček Tomáš | Dostál Libor | Růžička Aleš | Jambor Roman
Year: 2012
Type of publication: článek v odborném periodiku
Name of source: Journal of Organometallic Chemistry
Page from-to: 38-42
Titles:
Language Name Abstract Keywords
cze Phosphiniminové komplexy organocíničitých sloučenin stabilizovaných pomocí O,C,O - ligandu Oxidace intramolekulárně koooordinového fosfínového ligandu {2,6-((BuOCH2)-Bu-t)(2)C6H3}PPh2 (1) pomocí Me3SiN3 poskytla silyl-phosphinimin {2,6-((BuOCH2)-Bu-t)(2)C6H3}Ph2P=NSiMe3 (2), který může být hydrolyzován na stabilní fosfiniminium azide [{2,6-((BuOCH2)-Bu-t)(2)C6H3}Ph2P=NH2](+) N-3(-) (3). Tato sloučenina 3 byla použita na syntézu sloučeniny (LPh2P)-Ph-1=NH, která lze komplexovat organocíničotou sloučeninou R3SnCl (R = Me, Cy). Fosfinové komplexy sloučenin cínu (IV) stabilizované O, C, O - chelatujícími ligandy
eng Phosphinimine complex of organotin(IV) compounds stabilized by O,C,O - chelating ligand Oxidation of an intramolecularly coordinated phosphine ligand {2,6-((BuOCH2)-Bu-t)(2)C6H3}PPh2 (1) by Me3SiN3 provided novel silyl-phosphinimine {2,6-((BuOCH2)-Bu-t)(2)C6H3}Ph2P=NSiMe3 (2), that can be easily hydrolysed to give stable phosphiniminium azide [{2,6-((BuOCH2)-Bu-t)(2)C6H3}Ph2P=NH2](+) N-3(-) (3). Compound 3 was used for the synthesis of novel intramolecularly coordinated phosphinimine compound (LPh2P)-Ph-1=NH, that can be trapped by triorganotin(IV) compounds R3SnCl (R = Me, Cy) as organotin(IV)-phosphinimine complexes [{2,6-((BuOCH2)-Bu-t)(2)C6H3}Ph2P=NH]SnR3Cl (R = Me(4), Cy(5)). Compounds 2-5 were characterized by means of elemental analyses, H-1, C-13, P-31, Sn-119 NMR spectroscopy, and compounds 3 and 4 by single crystal X-ray diffraction analysis. Phosphinimine; complex; organotinIV; compounds; stabilized; O,C,O; chelating; ligand

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