cas 6450-57-3, 1-(2-MESITYLENE)-1,3-BUTANEDIONE | Articles data ｜lookchem

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6450-57-3

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An improved synthesis of 2-diazo-1,3-diketones
The sodium hydride/dibenzo-18-crown-6 ether system was found to be an effective base for the synthesis of 1,3-diketones by the Claisen condensation. The use of potassium fluoride (with or without crown ether) as the base in diazo-transfer reactions extends this reaction to the synthesis of hindered diazo diketones. In the case of isomeric 1,3-diketones, the stereoselectivity of the process considerably rises.
Popic,Korneev,Nikolaev,Korobitsyna
p. 195 - 198
(2007/10/02)

Antitumor activity of phenyl substituted dihalogenobis (1-phenyl-1,3-butanedionato)titanium (IV) compounds
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Keppler,Diez,Seifried
p. 1832 - 1836
(2007/10/02)

Process for the manufacture of aromatic 1,3-diketones
Aromatic 1,3-diketones are produced by reacting aromatic compounds with acetoacetyl fluoride optionally substituted in γ-position by fluorine, chlorine and/or bromine, in hydrofluoric acid of at least 90% strength at a temperature of from about -40 to +50°C. The products obtained are important starting products and intermediates for the manufacture of dyestuffs, plastics and pharmaceuticals. Furthermore they can be used for the formation of metal complexes and metal extracting agents, solution intermediaries and solvents.
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(2008/06/13)

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Chemical Properties

Melting Point: 45 °C
Boiling Point: 319.8 °C at 760 mmHg
Flash Point:119.8 °C
Density: 1.021 g/cm³
Solubility:within almost transparency in Methanol
PSA: 34.14000
LogP: 2.77360

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