Experimental studies on the trans-influence of boryl ligands in square-planar platinum(II) complexes |
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Authors: | Braunschweig Holger Brenner Peter Müller Andreas Radacki Krzysztof Rais Daniela Uttinger Katharina |
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Affiliation: | Institut für Anorganische Chemie, Julius‐Maximilians‐Universit?t Würzburg, Am Hubland, 97074 Würzburg, Germany, Fax: (+49)?931‐888‐4623 |
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Abstract: | A series of platinum(II) boryl complexes of general formula trans-[(Cy(3)P)2Pt(Br)(BX2)], including the rare dibromoboryl species trans-[(Cy(3)P)2Pt(Br)(BBr2)], were synthesized by oxidative addition of the B-Br bond of a number of bromoboranes to [Pt(PCy3)2]. X-ray diffraction studies were performed on several such compounds. Comparison of the Pt--Br bond lengths allowed an empirical assessment of the trans-influence of different boryl ligands. A trans-influence scale was thus deduced and the results were compared with those previously computed for compounds of the type trans-[(Me(3)P)2Pt(Cl)(BX2)]. |
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Keywords: | boron boryl complexes oxidative addition platinum trans‐influence |
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