3-Aryl-2,4-pentanediones were prepd. by a metal salt-catalyzed homolysis of arenediazonium tetrafluoroborates in the presence of (MeCO)2CH2. E.g., addn. of solid PhN2+ BF4- to a mixt. of (MeCO)2CH2, Cu powder, and Cu(II) acetylacetonate at 40° gave 48% (MeCO)2CHPh
Free-radical chain process in the reaction of arenediazonium salts with acetylacetone. A novel synthesis of 3-arylpentane-2,4-diones
CITTERIO, ATTILIO;
1983-01-01
Abstract
3-Aryl-2,4-pentanediones were prepd. by a metal salt-catalyzed homolysis of arenediazonium tetrafluoroborates in the presence of (MeCO)2CH2. E.g., addn. of solid PhN2+ BF4- to a mixt. of (MeCO)2CH2, Cu powder, and Cu(II) acetylacetonate at 40° gave 48% (MeCO)2CHPhFile in questo prodotto:
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