Document Type

Article

Publication Date

1994

Publisher

International Union of Crystallography

Source Publication

Acta Crystallographica Section C

Source ISSN

0108-2701

Abstract

The title compound 5-acetyltricyclo[8.2.2.24,7]hexa-deca-4,6,10,12,13,15-hexaene, C18H18O,is the first example of a mono-π-substituted [2.2]paracyclophane to be structurally characterized. The average bending angles are α = 13.2 and β = 9.9°. The distance between the 'bottoms' of the practically parallel boat-like benzene nuclei is 3.098(2) Å. The π conjugation between the acetyl group and the substituted benzene cycle is negligible (rotation angle ca 45°) because of steric hindrance.

Comments

Published version. Acta Crystallographica Section C, Vol. 50 (1994): 1747-1749. DOI. © 1994 International Union of Crystallography. Used with permission.

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