Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 12 (December 2013)


organic compounds



cv5433 scheme

Acta Cryst. (2013). E69, o1804-o1805    [ doi:10.1107/S1600536813031395 ]

Ethyl 3-(10-bromo­anthracen-9-yl)-5-methyl-1,2-oxazole-4-carboxyl­ate

C. Li, M. J. Campbell, M. J. Weaver, N. S. Duncan, J. L. Hunting and N. R. Natale

Abstract: In the title compound, C21H16BrNO3, the mean planes of the anthracene tricycle and isoxazole ring are inclined to each other at a dihedral angle of 72.12 (7)°. The carb­oxy group is slightly out of the isoxazole mean plane, with a maximum deviation of 0.070 (5) Å for the carbonyl O atom. In the crystal, pairs of weak C-H...O hydrogen bonds link the mol­ecules into dimers, and weak C-H...N inter­actions further link these dimers into corrugated layers parallel to the bc plane.


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