2,4Pentanedione ketoenol equilibrium Big Chemical Encyclopedia
2 4 Pentanedione Enol Form. The positioning of the carbonyl groups allows for the formation of a stabilizing intramolecular hydrogen bond. It forms the acetylacetonate anion c5h7o− 2 (commonly abbreviated acac− ):
There are two possible enol forms, viii and x. X is by far the predominant enol as it has 1) extended conjugation and 2) substitution. It forms the acetylacetonate anion c5h7o− 2 (commonly abbreviated acac− ): The positioning of the carbonyl groups allows for the formation of a stabilizing intramolecular hydrogen bond. Web the enol form is a vinylogous analogue of a carboxylic acid.
It forms the acetylacetonate anion c5h7o− 2 (commonly abbreviated acac− ): X is by far the predominant enol as it has 1) extended conjugation and 2) substitution. It forms the acetylacetonate anion c5h7o− 2 (commonly abbreviated acac− ): There are two possible enol forms, viii and x. Web the enol form is a vinylogous analogue of a carboxylic acid. The positioning of the carbonyl groups allows for the formation of a stabilizing intramolecular hydrogen bond.
