Talk:Tautomer

message: The picture showing "lactam  s" and "lactims" is incorrect.  The so-called "lactam" is just a primary amide.  Lactams are cyclic amides.  This portion of the picture is at best unnecessary.  —Preceding unsigned comment added by 142.157.48.16 (talk) 20:18, 12 July 2010 (UTC)
replies: text: Seems resolved now. Both lactam-lactim diagrams are cyclic. DMacks (talk) 02:50, 16 June 2017 (UTC)
thread_title:  Lactams and lactims 

message: Should the definition of tautomer refer (seemingly solely) to organic compounds?  Googling show some non-Wikipedia source agree; others do not.  Indeed, "tautomer" is used in Wikipedia in relation to sulfamic acid.NickSharp (talk) 20:27, 22 June 2013 (UTC)
thread_title:  Organic only? 

message: Give some examples for the common man. E.g., "the smell of rotten fruit is an example of a " Jidanni (talk) 10:50, 8 April 2010 (UTC)
thread_title: Common man

message: Could someone give examples of uses for this principle?  Commercial processes and products?  Potential new applications?
Karl gregory jones (talk) 12:56, 16 August 2015 (UTC)
thread_title:  Uses? 

message: You can't 'explain' tautomers as being 'constitutional isomers of organic compounds that readily interconvert by a chemical reaction called tautomerization'; and not explain what tautomerization is...
97.84.122.189 (talk) 03:23, 30 December 2015 (UTC)
thread_title:  Explain it! 

message: A diagram for the nitroso - oxime pair should make it clearer. - Rod57 (talk) 05:34, 29 March 2016 (UTC)
thread_title:  Request diagram for the nitroso - oxime pair 

message: Can anyone say what typical energy difference between the tautomers of a pair ? Can we have a formula for the equilibrium ratio ?  How fast (formula ?) do the tautomers interconvert ? - Rod57 (talk) 05:39, 29 March 2016 (UTC)
replies: text: I suspect the answer to these questions is that there are no typical values, because there are very wide variations (of energy differences, equilibrium ratios and interconversion rates) between different pairs of tautomers. Dirac66 (talk) 02:06, 16 June 2017 (UTC)
thread_title:  Energy levels 

message: The article now claims that azide (N3-) and tetrazole (CH2N4) are valence tautomers, which is clearly wrong as the definition of tautomers states that they are isomers. The revision history shows that this information was added on 1 July 2006 by an editor who has been inactive for 10+ years with no talk page, so it is impossible to contact him/her. So I think it would be best to just delete this incorrect example.
:The "azide" in azide–tetrazole is an organoazide structure, not the azide anion itself. In that light, it would be an iminomethylazide, and doi:10.1021/jo902342z gives an example. Likewise, we could have vinylazide–triazole as noted in doi:10.1021/acs.chemrev.6b00738. DMacks (talk) 02:58, 16 June 2017 (UTC)
replies: text: That exact example is already in Oxepin. DMacks (talk) 02:59, 16 June 2017 (UTC)
replies: text: Thanks. I have now placed the oxepin - benzene oxide pair first since they are the simplest structures and also the Gold Book example. And I have included your source for azide-tetrazole. Dirac66 (talk) 01:49, 17 June 2017 (UTC)
thread_title:  Valence tautomer examples