POLYLITHIUMORGANIC COMPOUNDS .16. 1,4-DISILA[6]RADIALENES - ACTIVATION PARAMETERS OF THE CHAIR-TWIST INVERSION AND ANALYTICAL SEPARATION OF THE ENANTIOMERS OF THE TWIST CONFORMERS

MAERCKER, A and BRIEDEN, W and KASTNER, F and MANNSCHRECK, A (1991) POLYLITHIUMORGANIC COMPOUNDS .16. 1,4-DISILA[6]RADIALENES - ACTIVATION PARAMETERS OF THE CHAIR-TWIST INVERSION AND ANALYTICAL SEPARATION OF THE ENANTIOMERS OF THE TWIST CONFORMERS. CHEMISCHE BERICHTE, 124 (9). pp. 2033-2036. ISSN 0009-2940,

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Abstract

Kinetic measurements of the chair-twist inversion of the 1,4-disila[6]radialenes 2-4 have been performed at four different temperatures, respectively. The entropies of activation are found to be negative. While the chair conformers of the radialenes are achiral as expected, the enantiomers of the three twist conformers could be separated by HPLC on an optically active stationary phase.

Item Type: Article
Uncontrolled Keywords: ; 1,4-DISILA[6]RADIALENES; [6]RADIALENES; CHAIR-TWIST INVERSION, KINETIC MEASUREMENTS OF; TWIST CONFORMERS, SEPARATION OF ENANTIOMERS OF
Depositing User: Dr. Gernot Deinzer
Last Modified: 19 Oct 2022 08:46
URI: https://pred.uni-regensburg.de/id/eprint/54888

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