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Communication | Regular issue | Vol 26, No. 2, 1987, pp.367-372
Published online, 1st January, 1970
DOI: 10.3987/R-1987-02-0367
Strained Heterocyclic Systems. 13. Dipole Moments of Cycloalka[b]quinolines

J. Hodge Markgraf, James F. Skinner, John M. Ellison, and G. Thomas Marshall

*Department of Chemistry, Williams College, 47 Lab Campus Drive, Williamstown, MA 01267, U.S.A.

Abstract

The electric dipole moments of 2,3-dimelhylnaphthalene (1), 2,3-dimethylquinoline (2), 2,3-dihydro-1H-cyclopenta[b]qulnoline (3), and 1,2-dihydrocyclobuta[b]quinoline (4) have been determined experimentally. The measured values in benzene are 0.72, 2.04, 2.13, and 2.17 D, respectively. Ring strain effects thus do not significantly alter dipole moments.