ИСТИНА

Compounds of Group 14 elements (E= Si, Ge, Sn) containing element-element bonds possess unique properties (luminescence, absorption of UV, electrochemical oxidation, conductivity) based on semiconducting nature of the parent elements and unusual property of electron delocalization of σ-bonds E-E [1, 2]. As it was established [3-5] the properties of catenated Group 14 compounds depend on conformation, quantity of the conjugated E atoms, nature (electron donating or electron withdrawing) of substituents at E atom. In this report we present our recent results concerning the synthesis and investigation of the structure and properties of several types of Group 14 compounds containing E-E bonds. [1] C. Marschner and J. Baumgartner, in: M. Oestreich (Ed.), Science of Synthesis: Houben-Weyl Methods of Molecular Transformations. Thieme, Stuttgart, 2013, 109-139. [2] C.S. Weinert, Dalton Trans. 2009, 1691-1699. [3] K.V. Zaitsev, A.A. Kapranov, Y.F. Oprunenko, A.V. Churakov, J.A.K. Howard, B.N. Tarasevich, S.S. Karlov and G.S. Zaitseva, J. Organomet. Chem. 2012, 700, 207-213. [4] K. V. Zaitsev, A. A. Kapranov, Y. F. Oprunenko, A. V. Churakov, J. A. K. Howard, B. N. Tarasevich, S. S. Karlov and G. S. Zaitseva, Organometallics 2013, 32, 6500-6510. [4] K. V. Zaitsev, Y. F. Oprunenko, A. V. Churakov, G. S. Zaitseva and S. S. Karlov, Main Group Met. Chem. 2014, 37, 67-74. [5] K. V. Zaitsev, A. V. Churakov, O. Kh. Poleshchuk, Y. F. Oprunenko, G. S. Zaitseva and S. S. Karlov, Dalton Trans. 2014, 43, 6605-6609. Acknowledgements: This work is supported by the President Grant for Young Russian Scientists (МК- 1790.2014.3). e-mail:zaitsev@org.chem.msu.ru