acetylacetone

(redirected from Acetylacetonate)

acetylacetone

[ə¦sed·əl′as·ə‚tōn]
(organic chemistry)
CH3COCH2OCCH3 A colorless liquid with a pleasant odor and a boiling point of 140.5°C; soluble in water; used as a solvent, lubricant additive, paint drier, and pesticide.
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Tenders are invited for supply of rhodium dicarbonyl acetylacetonate catalyst for oxo alcohol plant of pdpp, bpcl-kr
Iron(III) acetylacetonate (Fe[(acac).sub.3], 99%), 2,6-diacetylpyridine (97%), 4-methoxy-2-methylaniline (98%), 1-naphthol (1-NaphOH) (99%), and 2-naphthol (2-NaphOH) (99%) were purchased from J&K Chemical Corp.
Deblocking temperature ([degrees]C) Catalyst NX-2026_TDI NX-2026_IPDI None ~118 ~140 1,4-diazobicyclo NO evident ~116 [2.2.2] octane (DBO) effect Acid blocked ~82 ~117 tertiary amine (DABCO 8154) Potassium-octoate ~92 ~82 in diethylene glycol (DABCO K15) Triethylenediamine NO evident ~70 in Dipropyl-eneglycol effect (Tegoamin 33) Zinc acetylacetonate ~95 ~110 (Tegokat 623) Tin Dibutyl dilaurate ~98 ~135 (DABCO T12) Zinc amine catalyst NO evident ~100 (K-KAT XK-614) effect N, N-Dimethylethanolamine ~85 NO evident (Tegoamin DMEA) effect tris-2,4,6-dimethylamlnomethyl NO evident ~92 phenol (Ancamine K54) effect Catalyst NX-2026_pHDI None ~120 1,4-diazobicyclo NO evident [2.2.2] octane (DBO) effect Acid blocked n.a.
En este caso, se mezclaron 33 mL de metanol (Merck), 5 mL de titanio bis (acetylacetonate diisopropoxide) (Sigma-Aldrich) al 97 % y 0,04 g de nitrato de plata (SigmaAldrich) al 99 % en un beaker con agitacion constante hasta obtener una dilucion completa del nitrato de plata.
A marked stimulation of Fe2+-initiated lipid peroxidation in phospholipid liposomes by a lipophilic aluminum complex, aluminum acetylacetonate. Biochem Biophys Acta 1998;1389:141-9.
Aluminium-doped zinc oxide (ZnO:Al) thin films were deposited by ultrasonic spray pyrolysis on soda lime glass from a solution containing 0.2 M zinc acetylacetonate (95% w/w Zn[(acac).sub.2]) and aluminium acetylacetonate (99% w/w Al[(acac).sub.3]) as dopant.
The concentrations for acetone, aluminum acetylacetonate, and the other constituents had no significant effect on precipitation.
Pd nanocubes and nanobars enclosed by (100) facets were successfully produced with a yield of 80% by solvothermal synthesis at 150[degrees]C for 8 h using N,N-dimethylformamide as the reducing agent, palladium(II) acetylacetonate as the Pd precursor, and sodium iodide as the capping agent [2].
A hole-blocking layer was spin coated on FTO using a solution of titanium diisopropoxide bis(acetylacetonate) (TiDIP) (75% in 2-propanol) in ethanol and then annealed at 450[degrees]C for 30 minutes.
Cobalt acetate tetrahydrate [Co[([C.sub.2][H.sub.3][O.sub.2]).sub.2] x 4[H.sub.2]O], ammonium heptamolybdate tetrahydrate [[(N[H.sub.4]).sub.6][Mo.sub.7][O.sub.24] x 4[H.sub.2]O] (AH), ammonium tetrathiomolybdate [[N[H.sub.4]].sub.2][Mo[S.sub.4]] (AT), molybdenum acetylacetonate [[C.sub.10][H.sub.14]Mo[O.sub.6]], DBT, and decane were supplied from Wako Chemical Industries, Ltd.
Nanoparticles were prepared from the reaction between 0.1 mmol platinum(II) acetylacetonate (Pt [(acac).sub.2]) and 0.12 mmol iron(III) tris (2,2,6,6-tetramethyl-3,5-heptanedionate) (Fe [(tmhd).sub.3]) in a Schlenk flask.
Key statement: Rubber composition which can be used in particular for the manufacture of tires, comprising at least a diene elastomer, a reinforcing filler, a crosslinking system, between 0.2 and 10 phr of an antioxidant, such as a substituted para-phenylenediamine, and between 0.2 and 10 phr of an acetylacetonate of an alkali metal or alkaline earth metal, chosen in particular from the group consisting of Li, Na, K, Mg, Ca and the mixtures of such metals.