Heterocyclic Compounds
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ChemInform Abstract: Synthesis of 6,8-(Dibromo or Diiodo)-5-hydroxy-2-(phenyl or styryl) chromones.
First published: May 9, 1995
Abstract
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ChemInform Abstract
Treatment of the chalcones (I) with catalytic amounts of halogen results in cyclization to chromones which can be further halogenated to yield the dihalochromones (II), potentially useful as intermediates in pharmaceutical and agrochemical synthesis (no yields given).
