Diphenylbicyclo [2.1. 0] pentane. A persistent hydrocarbon with a very weak carbon-carbon bond

FD Coms, DA Dougherty

Index: Coms, Frank D.; Dougherty, Dennis A. Journal of the American Chemical Society, 1989 ,  vol. 111,  # 17  p. 6894 - 6896

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Citation Number: 13

Abstract

Figure 1. Schematic potential energy surfaces for the bridge-flip of a bicyclo [2.1. 0] pentane. As shown, the BDE is less than or equal to AH*, depending on whether there is (dashed line) or is not (solid line) a biradical minimum on the singlet surface.