the form of tautomeric compounds when they are ketones rather than enols
keto-enol tautomerism
Examples of 'keto form' in a sentence
keto form
The spectral data shows that the ligand reacts in keto form and behaves as monobasic terdentate in nature.
Vinayak M. Naik, Nirmalkumar B. Mallur 2011, 'Synthesis and Characterization of Lanthanide(III) Nitrate Complexes with TerdentateONO Donor Hydrazone Derived from 2-Benzimidazolyl Mercaptoaceto Hydrazide and o-HydroxyAromatic Aldehyde', E-Journal of Chemistryhttp://dx.doi.org/10.1155/2011/743948. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The transition state calculations also support the stability of enol form compared to keto form at room temperature.
Anamika Sharma, Yahya E. Jad, Hazem A. Ghabbour, Beatriz G. de la Torre, Hendrik G.Kruger, Fernando Albericio, Ayman El-Faham 2017, 'Synthesis, Crystal Structure and DFT Studies of 1,3-Dimethyl-5-propionylpyrimidine-2,4,6(1H,3H,5H)-trione',Crystalshttp://www.mdpi.com/2073-4352/7/1/31. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In the crystal, molecules display neither intermolecular nor intramolecular hydrogen bonding and the two barbiturate rings adopt the keto form.
Manfred Steimann, Kamal Sweidan 2013, '5-[1-(1,3-Dimethyl-2,4,6-trioxohexahydropyrimidin-5-yl)-2-oxopropyl]-1,3-dimethylpyrimidine-2,4,6(1H,3H,5H)-trione',Acta Crystallographica Section Ehttp://scripts.iucr.org/cgi-bin/paper?S1600536813020138. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)