University of PardubiceFaculty of Chemical Technology

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Activation of E-Cl Bonds (E = C, Si, Ge and Sn) by a C,N-chelated Stannylene.

Authors: Švec Petr

Year: 2013

Type of publication: ostatní - přednáška nebo poster

Page from-to: nestránkováno

Titles:

Language	Name	Abstract	Keywords
eng	Activation of E-Cl Bonds (E = C, Si, Ge and Sn) by a C,N-chelated Stannylene.	Organotin(II/IV) species containing the 2-(N,N-dimethylaminomethyl)phenyl- moiety as a C,N-chelating ligand (LCN) are studied since seventieth of the last century.1 Significant intramolecular contact between tin and nitrogen atoms is the typical phenomenon of this class of compounds. Organotin(II) compounds (stannylenes), can undergo an oxidative adition reactions as first demonstarted by Lappert, Power and coworkers in 1976.2 Our recent progress in the field of chemistry of doubly C,N-chelated stannylene (LCN)2Sn (1), first prepared by Angermund,3 involves its reactivity towards various E-Cl (where E = C, Si, Ge and Sn) bond containing species.4 We have found that these reactions yielded the desired products of oxidative addition that can be subsequently oxidized by dioxygen. Thus, for example, a versatile and facile synthetic procedure leading to the formation of some novel distannanes has been explored (Scheme 1). Further details concerning the preparation, structural characterization and reactivity of these organotin species will be discussed.