Issue 0, 1970

Conformational studies. Part II. Crystal and molecular structures of 3-bromo-, 3-chloro-, and 4-bromo-2′-nitrochalcone

Abstract

The crystal structures of 3-bromo-, 3-chloro-, and 4-bromo-2′-nitrochalcone have been solved from 0kl, partial three-dimensional, and zonal data respectively. Unlike other chalcones so far analysed and 4-bromo-2′-nitro-chalcone the first two compounds crystallise in the transoid conformation of the enone system. 3-Chloro- and 4-bromo-2′-nitrochalcone exhibit short oxygen⋯carbon contacts (2·58 and 2·64 Å) between the nitro- and carbonyl groups.

Article information

Article type
Paper

J. Chem. Soc. B, 1970, 1427-1434

Conformational studies. Part II. Crystal and molecular structures of 3-bromo-, 3-chloro-, and 4-bromo-2′-nitrochalcone

A. E. Jungk and G. M. J. Schmidt, J. Chem. Soc. B, 1970, 1427 DOI: 10.1039/J29700001427

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