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II. Theoretical and Structural Chemistry

Theoretical Conformational Analysis of Cyclic Organophosphorus and Organosilicon Compounds

, , , &
Pages 830-837 | Received 30 Jul 2010, Accepted 14 Sep 2010, Published online: 25 Apr 2011
 

Abstract

The structure of some six- and eight-membered phosphorus and silicon heterocycles was established by the method of dipole moments and density functional theory calculations. There are two necessary conditions for the feasibility of the transannular interaction in these heterocycles: (1) the favorable disposition of the donor and acceptor centers in a molecule and (2) the presence of the substituents with the considerable polarizing effect at the heteroatom.

Acknowledgments

This work was supported by Russian Foundation for Basic Research (grants 10-03-00098 and 10-03-08211).

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