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PROCESS FOR THE PREPARATION OF FLAVANONE DERIVATIVES WITH ANTIALERGIC EFFECT AND APPLICATION THEREOF FOR THE PREPARATION OF PHARMACEUTICAL COMPOSITIONS WITH ANTIALERGIC EFFECT
PROCESS FOR THE PREPARATION OF FLAVANONE DERIVATIVES WITH ANTIALERGIC EFFECT AND APPLICATION THEREOF FOR THE PREPARATION OF PHARMACEUTICAL COMPOSITIONS WITH ANTIALERGIC EFFECT
1. Flavanone derivatives of the formula I see diagramm : EP0173186,P12,F1 wherein Ar**1 and Ar**2 are each phenyl which is unsubstituted or monosubstituted to trisubstituted by OH, alkyl, alkoxy, acylamino, halogen, COOalkyl and/or NO2 and/or substituted by a methylenedioxy group, and the alkyl, alkoxy and acyl groups each have 1-7 C atoms, but wherein the HO group is only in the 6-position if at least one of the radicals Ar**1 and Ar**2 is substituted phenyl, and phosphoric acid esters thereof and the salts of these compounds.
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