Talk:Heterocyclic compound

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Pentazole and cyclohexasilane[edit]

Can be pentazole (pentaazacyclopentadiene, N5H) or cyclohexasilane (hexasilabenzene, Si6H6) considered to be heterocyclic compounds ? Is heterocyclic opposite of carbocyclic or homocyclic ? --Mykhal 22:05, 20 Nov 2004 (UTC)

Well, I'll reply myself. I just have found out IUPAC definition of heterocyclic compounds: Cyclic compounds having as ring members atoms of at least two different elements.
So.. they cannot be. --Mykhal 22:15, 20 Nov 2004 (UTC)

Merge notice[edit]

I support Olin's proposal for a merge with heterocycle, and I think this article should be the host page. Walkerma 06:38, 6 February 2006 (UTC)

I agree, and I have altered the merge tags to be more specific mergeto and mergefrom tags with Heterocyclic compound being the one that remains. --Bduke 07:17, 6 February 2006 (UTC)

Done. Olin

Great. There is no need to leave the text in the redirect page. I have edited it to remove the merge tag and category as these show when you look at the redirect page. --Bduke 21:08, 6 February 2006 (UTC)

Health concerns[edit]

What about the possible cancer risk from heterocyclic amines in cooked foods? Shouldn't this warrant a separate article? Shanoman 23:50, 25 April 2007 (UTC)

Silicon heterocycles[edit]

Common man, where are the silicon heterocycles!!?!?!? they are very pertinent, due to their use in conjugated polymers.Gordonliu420 (talk) 06:06, 23 June 2008 (UTC)

Heterocyclic amines and cancer section[edit]

The section on heterocyclic amines and cancer seems out of place in this article. Since heterocyclic amines redirects here from various food pages, it seems as if it is being used as a coatrack for the health concerns. I'm moving the section to heterocyclic amines and working on that article. ChemGardener (talk) 18:17, 9 November 2008 (UTC)


Hello. Tetrahydro- prefix is not recommended by the IUPAC for the fully saturated heterocyclic compounds. So I am going to replace those names (three in total) in the image table using the Hantzsch–Widman nomenclature. --kupirijo (talk) 23:28, 17 March 2011 (UTC)

Hard to understand =[edit]

"Heterocyclic compounds can be usefully classified based on their electronic structure. The saturated heterocycles behave like the acyclic derivatives. Thus, piperidine and tetrahydrofuran are conventional amines and ethers, with modified steric profiles. Therefore, the study of heterocyclic chemistry focuses especially on unsaturated derivatives, and the preponderance of work and applications involves unstrained 5- and 6-membered rings. Included are pyridine, thiophene, pyrrole, and furan. Another large class of heterocycles are fused to benzene rings, which for pyridine, thiophene, pyrrole, and furan are quinoline, benzothiophene, indole, and benzofuran, respectively. Fusion of two benzene rings gives rise to a third large family of compounds, respectively the acridine, dibenzothiophene, carbazole, and dibenzofuran. The unsaturated rings can be classified according to the participation of the heteroatom in the pi system."

This is too technical. It needs to be a few paragraphs further on... (talk) 08:30, 8 September 2014 (UTC)

Ring structure[edit]

Shouldn't 'ring structure' be linked to cyclic compound (more general) instead of to heterocyclic compound (more specific)?--Miguelferig (talk) 18:04, 6 April 2015 (UTC)