119Sn-NMR-Verchiebungen und Koordinationsverschiebungen von Halogenstannylenkomplexen/119Sn-NMR Shifts and Coordination Shifts of Halogenostannylene Complexes
Open Access
- 1 June 1980
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung B
- Vol. 35 (6) , 700-702
- https://doi.org/10.1515/znb-1980-0610
Abstract
119Sn NMR data of a number of base-stabilized stannylenes L (L = R3P-SnCl2, (THF)xSnCl2, (THF)xSnBr2 are compared with those of the corresponding tin ylid complexes M(CO)5L (M = Cr, W). 119Sn NMR coordination shifts are strongly dependent on the transition metal. Increasing the number of base ligands attached to transition metal-coordinated tin(II) leads to significant upfield shifts and to increasing coupling constants 1J(119Sn183W).Keywords
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