37514-00-4Relevant articles and documents
FLAVONES
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Page/Page column 17; 44-46, (2008/06/13)
The present invention relates to flavone compounds and their use in methods of treating or preventing parasitic infections, fungal infections and cell proliferative disorders. The present invention also relates to the use of flavone compounds in methods of controlling pests.
Isomerization of enol esters derived from 2-acyl-1,3-cyclohexanediones: Mechanism and driving force
Liu, Hun-Ge,Wu, Chung-Shieh,Wang, Jen-Fei,Yang, Ding-Yah
, p. 3137 - 3141 (2007/10/03)
A series of 2-acyl-1,3-cyclohexanediones were prepared and isomerization mechanisms of the corresponding enol esters were investigated. The driving force for this migration is likely that the intrinsic electrostatic repulsion between the 2-acyl oxygen atom and the two 1,3-diketone oxygens caused deformation of enol esters from planarity and resulted in their high susceptibility to enolization and subsequent isomerization.
Reaction of Aliphatic Dicarboxylic Acids with Acyl Chlorides in the Presence of Aluminum Chloride
Matoba, Katsuhide,Tachi, Masashi,Itooka, Toshiyuki,Yamazaki, Takao
, p. 2007 - 2012 (2007/10/02)
The treatment of succinic acid with lauroyl or stearoyl chloride gave the five-membered β-diketone (II) substituted with a long chain at the α-position, together with a trimer (III) of the acyl chloride.Bicyclononane-2,4-dione (VI) substituted with a methyl or ethyl group at the C3-position was prepared from cyclohexane-1,3-dicarboxylic acid (V) and propionyl or butyryl chloride, respectively.D-Camphoric acid afforded an unexpected product, 4-acyl-2,2,3-trimethyl-3-cyclopentenecarboxylic acid (IX), on reaction with acyl chloride.Although acetyl chloride gave no product on treatment with succinic acid, it afforded 3-acetylbicyclooctane-2,4-dione (XI), 3-acetylbicyclononane-2,4-dione (VId), and 2-acetylcyclohexane-1,3-dione (XII) on reaction with the corresponding dicarboxylic acids.Keywords - β-diketone; cyclic β-diketone; bicyclic β-diketone; dicarboxylic acid; aluminum chloride; acyl chloride; bicycloalkane-2,4-dione