Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
October 26, 2010
Patent Application Number
11918220
Date Filed
April 10, 2006
Patent Primary Examiner
Patent abstract
A process for the preparation of hydroxylated isoflavones by reacting in a Hoesch reaction using an alkanoic acid alkyl ester as solvent a phenol with a phenylacetonitrile to yield a 1,2-diphenyl-ethanone and transforming the ethanone into an isoflavone by well-known methods.
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