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2006•Angewandte Chemie International EditionRequires access

Strong Neutral Homoaromatics

Carsten Präsang, Peter Amseis, David Scheschkewitz, Gertraud Geiseler, Werner Massa, Matthias S. Hofmann, Armin Berndt

Open publisher page 12 citations

Abstract

Charge separation in the reference molecules is the main reason for the unusually high aromatic stabilization energies (ASEs) of nonclassical 1-sila-3,4-diboracyclopentanes of type 1. Compound 1 a was synthesized, and the ASE for its model compound 1 b was computed. In reference molecule 2 the two electrons, which are cyclically delocalized in 1 b, are localized in a BB bond (R=SiMe3, Dur=2,3,5,6-tetramethylphenyl).

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What this paper is about

Charge separation in the reference molecules is the main reason for the unusually high aromatic stabilization energies (ASEs) of nonclassical 1-sila-3,4-diboracyclopentanes of type 1. Compound 1 a was synthesized, and the ASE for its model compound 1 b was computed. In reference molecule 2 the two electrons, which are cyclically delocalized in 1 b, are localized in a BB bond (R=SiMe3, Dur=2,3,5,6-tetramethylphenyl).

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Available abstract

Charge separation in the reference molecules is the main reason for the unusually high aromatic stabilization energies (ASEs) of nonclassical 1-sila-3,4-diboracyclopentanes of type 1. Compound 1 a was synthesized, and the ASE for its model compound 1 b was computed. In reference molecule 2 the two electrons, which are cyclically delocalized in 1 b, are localized in a BB bond (R=SiMe3, Dur=2,3,5,6-tetramethylphenyl).

Key concepts: Delocalized electron, Electron delocalization, Molecule, Charge (physics), Electron, Chemistry, Physics, Crystallography

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