Acetylacetone is an organic compound with the chemical formula CH3−C(=O)−CH2−C(=O)−CH3. It is classified as a 1,3-diketone. It exists in equilibrium with...

In enzymology, an acetylacetone-cleaving enzyme (EC 1.13.11.50) is an enzyme that catalyzes the chemical reaction pentane-2,4-dione + O2 ⇌ {\displaystyle...

water-soluble solid is the conjugate base of acetylacetone. The compound is prepared by deprotonation of acetylacetone: NaOH + CH2(C(O)CH3)2 → NaCH(C(O)CH3)2...

compound with the formula VO(acac)2, where acac– is the conjugate base of acetylacetone. It is a blue-green solid that dissolves in polar organic solvents....

acetaldehyde (K = [enol]/[keto] ≈ 3×10−7). In 1,3-diketones, such as acetylacetone (2,4-pentanedione), the enol form is favored. The acid-catalyzed conversion...

is moderately acidic. Thus ethyl acetoacetate behaves similarly to acetylacetone: CH3C(O)CH2CO2C2H5 + NaH → CH3C(O)CHNaCO2C2H5 + H2 The resulting carbanion...

diacetyl (CH3C(O)C(O)CH3), once used as butter-flavoring in popcorn. Acetylacetone (pentane-2,4-dione) is virtually a misnomer (inappropriate name) because...

Keto-enol tautomerization typically strongly favors the keto tautomer, but an important exception is the case of 1,3-diketones such as acetylacetone....

Pentanedione may refer to: Acetylacetone (2,4-pentanedione) Acetylpropionyl (2,3-pentanedione) C5H8O2 Cyclopentanedione This set index article lists chemical...

acetylacetone, CH3C(O)CH2C(O)CH3. Dimedone is a cyclic 1,3-diketone. 1,3-Indandione is the cyclic 1,3-diketone fused to a benzene ring. Acetylacetone...

NMR spectrum. For example, the acidic proton in the enol tautomer of acetylacetone appears at ⁠ δ H {\displaystyle \delta _{\text{H}}} ⁠ 15.5, which is...

colorless liquid is significant commercially as the principal precursor to acetylacetone. In organic synthesis, it is used to prepare enol acetates of ketones...

complex with formula Al(C5H7O2)3. This aluminium complex with three acetylacetone ligands is used in research on Al-containing materials. The molecule...

The molecular formula C5H8O2 may refer to: Acetylacetone Acetylpropionyl Allyl acetate Angelic acid Coffee furanone Cyclobutanecarboxylic acid Ethyl acrylate...

030.0001. Denoon, C. E. Jr.; Adkins, Homer; Rainey, James L. (1940). "Acetylacetone". Organic Syntheses. 20: 6. doi:10.15227/orgsyn.020.0006. Arpe, Hans-Jürgen...

metal salt with acetylacetone, acacH: Mz+ + z Hacac ⇌ M(acac)z + z H+ Addition of base assists the removal of a proton from acetylacetone and shifts the...

Alternatively acetamide can be obtained in excellent yield via ammonolysis of acetylacetone under conditions commonly used in reductive amination. It can also be...

molecular geometry. It was first prepared by treating scandium nitrate with acetylacetone in the presence of ammonia. Anderson, Thomas J.; Neuman, Melvin A.;...

chemical formula Yb(C5H7O2)3(H2O)2. Its structure is different from the acetylacetone complexes of neodymium, europium and holmium. The adjacent Yb-Yb The...

a trispyrazolylmethane, and a pyrazolyldiphosphine. Condensation of acetylacetone and hydrazine gives 3,5-dimethylpyrazole: CH3C(O)CH2C(O)CH3   +   N2H4...

enol CF3C(OH)=CHC(O)CF3. For comparison under the same conditions, acetylacetone is 85% enol. Metal complexes of the conjugate base exhibit enhanced...

square pyramidal (acac = acetylacetonate, the deprotonated anion of acetylacetone (2,4-pentanedione)). AXE method Square pyramid Hypervalent molecule...

results from treatment of titanium tetrachloride with excess acetylacetone: TiCl4 + 2 Hacac → Ti(acac)2Cl2 + 2 HCl Organic amines react with TiCl4...

Lamprecht, G.J.; Steynberg, E.C. (1991). "Kinetics of the substitution of acetylacetone in acetylactonato-1,5-cyclooctadienerhodium(I) by derivatives of 1,10-phenantrholine...

"CLXII.—Researches on residual affinity and co-ordination. Part II. Acetylacetones of selenium and tellurium". Journal of the Chemical Society, Transactions...

cyclohexanone, phenylacetic acid and its derivatives and diphenylmethane. Acetylacetone loses two protons to form a dianion. Sodium amide will also deprotonate...

"La(acac)3". It can be prepared by the reaction of lanthanum alkoxide and acetylacetone. Its tetrahydrate decomposes into monohydrate at 110 °C, obtains the...

= 4.01) even for a diketone species (cf. dimedone with pKa 5.23 and acetylacetone with pKa 8.95) because of the additional aromatic stabilization of the...

The compound is prepared by the condensation of two equivalents of acetylacetone and phosphine: PH3 + 2 CH3C(O)CH2C(O)CH3 → HP(CH3CCH2CCH3)2O3 + H2O...

NaCH(C(O)CH3)2 → [CH(C(O)CH3)2]2 + 2 NaI Reminiscent of the case of acetylacetone, tetraacetylethane exists as the enol, as established by X-ray crystallography...