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Synthesis 1992; 1992(9): 839-841
DOI: 10.1055/s-1992-26241
short paper
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A New Metal Complex Promoted System for Highly Selective Synthesis of 4H-Chromen-4-ones (Chromones)

Akira Nishinaga* , Hiroyuki Ando, Kazushige Maruyama, Takahiro Mashino
  • *Department of Applied Chemistry, Osaka Institute of Technology, Ohmiya 5, Asahi-ku, Osaka 535, Japan
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Publikationsdatum:
17. September 2002 (online)

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CoIII(salpr)(OH), a six coordinate cobalt Schiff base complex, promotes the highly selective conversion of 1-(o-hydroxyaryl)-1,3-diketones to 4H-chromen-4-ones under neutral conditions.