Synthesis and characterization of novel intramolecularly O,C,O-coordinated heteroleptic organostannylenes and their tungstenpentacarbonyl complexes
作者： Blanka Kašná , Roman Jambor , Markus Schürman , Klaus Jurkschat
DOI: 10.1016/J.JORGANCHEM.2008.07.022
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摘要: The syntheses are reported of the novel heteroleptic organostannylenes [2,6-(ROCH 2 ) C 6 H 3 ]SnCl ( 1 , R = Me; R = t -Bu) and their tungstenpentacarbonyl complexes ](X)SnW(CO) 5 X = Cl, 4 -Bu; X = H, R = Me). compounds were characterized by means elemental analyses, H, 13 C, 119 Sn NMR spectroscopies, electrospray mass spectrometry in case also single crystal X-ray diffraction analysis. For two latter substituents bound at ether oxygen atom control strength intramolecular O → Sn coordination. Thus, O–Sn distances amount to 2.391(5)/2.389(5) 2.464(3)/2.513(3) A ).
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