Journal of the American Chemical Society

The sym-Triphenylcyclopropenyl Cation, a Novel Aromatic System1

R Breslow, C Yuan

Index: Breslow; Yuan Journal of the American Chemical Society, 1958 , vol. 80, p. 5991,5993

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Citation Number: 124

Abstract

The synthesis of the sym-triphenylcyclopropenyl cation (VIII) is reported. Derivatives, both covalent and ionic, have been prepared, and the cation has been ring-opened with base to a known ketone. Studies on the equilibrium between the ion and a covalent ether derivative, investigated with the aid of ultraviolet spectroscopy, help to establish the rather high stability of this new aromatic system.

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