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non-Kekulé molecules

Molecules that are fully conjugated, but each of whose Kekulé structures contains at least two atoms that are not π-bonded. Examples of non-Kekule hydrocarbons are trimethylenemethane (2-methylidenepropane-1,3-diyl) 1, m-benzodiquinomethane (benzene-1,2-diyldimethyl) 2, and 1,2,4,5 - tetramethylenebenzene (benzene-1,2,4,5-tetrayltetramethyl) 3.
NT07085
Source:
PAC, 1999, 71, 1919 (Glossary of terms used in theoretical organic chemistry) on page 1955
InChI=1/C4H6/c1-4(2)3/h1-3H2
MOWBWPSGCTXGKR-UHFFFAOYAS
InChI=1/C8H8/c1-7-4-3-5-8(2)6-7/h3-6H,1-2H2
NJLQFTPGVAALOB-UHFFFAOYAM
InChI=1/C10H10/c1-7-5-9(3)10(4)6-8(7)2/h5-6H,1-4H2
AJEIVINAKJUVBX-UHFFFAOYAW
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IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8. doi:10.1351/goldbook.
Last update: 2014-02-24; version: 2.3.3.
DOI of this term: doi:10.1351/goldbook.NT07085.
Original PDF version: http://www.iupac.org/goldbook/NT07085.pdf. The PDF version is out of date and is provided for reference purposes only. For some entries, the PDF version may be unavailable.
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