Ciba-geigy Corporation

Willy Frick

Robert Nyfeler

Alfred Meyer

Adolf Hubele

The invention relates to 1-aryl-2-fluoro-2-azolyl alkanones, alkanols, esters and ethers of formula I ##STR1## wherein Az is 1H-1,2,4-triazole, 4H-1,2,4-triazole or 1H-imidazole;

1-aryl-2-fluoro-2-azolyl alkanones, alkanols, esters, and ethers,

There are described novel 1-fluoro-1-azolyl-2,2-diarylethane derivatives of the general formula I ##STR1## wherein Y is --CH.dbd. or --N.dbd.,

2,2-diphenyl-1-fluoro-1-azolylethanemicrobicides

Diphenylethene derivatives of the formula I given herein are new, very valuable microbicides. They can be used on their own or in the form of pesticidal compositions for combating or preventing attack by phytopathogenic fungi, such as mildew and scab diseases.

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Pfeffingen, Switzerland

Willy Frick