Warning (2): strip_tags() expects parameter 1 to be string, array given [APP/Controller/TermsController.php, line 1020]
Warning (2): Cannot modify header information - headers already sent by (output started at /home/goldbook/dev_html/lib/Cake/Utility/Debugger.php:797) [APP/Controller/TermsController.php, line 1064]
{"term":{"metadata":{"id":"02796","doi":"10.1351\/goldbook.H02796","code":"H02796","status":"current","longtitle":"IUPAC Gold Book - heteroconjugation","title":"heteroconjugation","contexts":[],"index":null,"version":"2.3.3","lastupdated":"2014-02-24"},"definitions":{"definition":[{"id":"1","text":"[obsolete]Association between a base and the conjugate acid of a different base through a hydrogen bond (B' ... HB+ or A'H ... A−). The term has its origin in the conjugate acid–base pair and is in no way related to conjugation of orbitals Heteroassociation is a more appropriate term.","contexts":{"in":[],"of":[]},"chemicals":[],"links":[{"type":"goldify","url":"http:\/\/dev.goldbook.iupac.org\/terms\/view\/A00472"},{"type":"goldify","url":"http:\/\/dev.goldbook.iupac.org\/terms\/view\/C01267"},{"type":"internal","url":"http:\/\/dev.goldbook.iupac.org\/terms\/view\/H02899"},{"type":"internal","url":"http:\/\/dev.goldbook.iupac.org\/terms\/view\/C01266"},{"type":"internal","url":"http:\/\/dev.goldbook.iupac.org\/terms\/view\/O04317"}],"math":[],"sources":[]},{"id":"2","text":"[obsolete] Some authors refer to conjugated systems containing a heteroatom, e.g. pyridine, as 'heteroconjugated systems'. This usage is discouraged since it inappropriately suggests an analogy to homoconjugation, and conflicts with the currently accepted definition of that term.","contexts":{"in":[],"of":[]},"chemicals":[],"links":[{"type":"internal","url":"http:\/\/dev.goldbook.iupac.org\/terms\/view\/C01267"},{"type":"internal","url":"http:\/\/dev.goldbook.iupac.org\/terms\/view\/H02842"}],"math":[],"sources":[]}]},"sources":null,"links":{"html":"http:\/\/dev.goldbook.iupac.org\/terms\/view\/H02796\/html","json":"http:\/\/dev.goldbook.iupac.org\/terms\/view\/H02796\/json","xml":"http:\/\/dev.goldbook.iupac.org\/terms\/view\/H02796\/xml","plain":"http:\/\/dev.goldbook.iupac.org\/terms\/view\/H02796\/plain","pdf":"http:\/\/dev.goldbook.iupac.org\/terms\/view\/H02796\/pdf","originalpdf":"http:\/\/iupac.org\/goldbook\/H02796.pdf"},"citeas":"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. https:\/\/doi.org\/10.1351\/goldbook.","license":"Licensed under Creative Commons Attribution-NoDerivatives (CC-BY-ND) 4.0 International (https:\/\/creativecommons.org\/licenses\/by-nd\/4.0\/)","disclaimer":"The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.","accessed":"2021-07-31T02:59:18+00:00"}}