Bayer Aktiengesellschaft

Bayer Cropscience Ag

Bayer Cropscience Gmbh

Klaus Stroech

Stefan Dutzmann

Wilhelm Brandes

Gerd Hanssler

Thomas Himmler

Jurgen Scherkenbeck

Monika Frie

Heinz-Wilhelm Dehne

Manfred Jautelat

Karl-Heinz Kuck

Manfred Plempel

Klaus Bockmann

Klaus Lurssen

Wolfgang Kramer

Paul Reinecke

Hermann Hagemann

Udo Kraatz

Stefan Bohm

Susanne Backens-Hammerschmidt

Georg-W Ludwig

Karl H Buchel

Bernd-Wieland Kruger

Burkhard Fugmann

Gunther Nentwig

David M Mayes

Joe J Hanson

Shekhar Kulkarni

Dietmar Beilefeldt

Gerd Haenssler

Harl-Heinz Kuck

Burghard Fugmann

Heinz Dehne

Peter Hoever

Je,uml/u/ Rgen Scherkenbeck

The present invention provides a method of preparing 1-acetyl-1-chlorocyclopropane from 1,3 dichloro-2-pentanone by reaction with base in the presence of a phase transfer catalyst. The reaction may be run in the presence or absence of an organic solvent and in a continuous or batch process.

Method of preparing 1-acetyl-1-chlorocyclopropane

New azolylmethyl-fluorocyclopropyl derivatives of the formula ##STR1## in which R represents ##STR2## and addition products thereof which acids or metal salts are very effective for combating fungi. New oxiranes of the formula ##STR3## in which R has the abovementioned meaning, are valuable intermediates for the preparation of compounds of the formula (I).

Azolylmethyl-fluorocyclopropyl derivatives

New azolylmethyl-fluorocyclopropyl derivatives of the formula ##STR1## in which R represents ##STR2## and addition products thereof which acids or metal salts are very effective for combating fungi.

Fungicidal azolyl-propanols of the formula ##STR1## in which R represents halogenoalkyl, halogenoalkenyl, a 2-phenoxy-isopropyl radical, ##STR2## Y represents nitrogen or a CH group, Z represents halogen, alkyl, halogenoalkyl, alkoxy, halogenoalkoxy, cyano, phenoxy, halophenoxy, or optionally substituted aryl,

Oxirane intermediates for azolyl-propanol fungicides

New halogenoalkyl-azolyl derivatives of the formula ##STR1## in which R.sup.1 represents optionally substituted phenyl,

Halogenoalkyl-azolyl derivatives

Insect- and mite-repelling new morpholinoureas of the formula (I) ##STR1## in which the radicals R.sup.1 to R.sup.8 can be identical or different and represent hydrogen, optionally substituted alkyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted cycloalkyl or optionally substituted phenyl, or where the radicals R.sup.1 and R.sup.4 and/or R.sup.5 and R.sup.8 in each case together form a carbocyclic ring,

Insect- and mite-repelling method

Fungicidal azolyl-propanols of the formula ##STR1## in which R represents halogenoalkyl, halogenoalkenyl, a 2-phenoxy-isopropyl radical, ##STR2## Y represents nitrogen or a CH group, Z represents halogen, alkyl, halogenoalkyl, alkoxy, halogenoalkoxy, cyano, phenoxy, halo-phenoxy, or optionally substituted aryl,

Fungicidal azolyl-propanol derivatives

A herbicidal hydroxyethyl-cyclopropyl-azolyl derivative of the formula ##STR1## in which R.sup.1 represents halogen, phenyl or the grouping --Z-R.sup.3, wherein

Microbicidal hydroxyethyl-cyclopropyl-azolyl derivatives

In the preparation of benzyl ketones of the formula ##STR1## a benzyl chloride of the formula ##STR2## is reacted with an acid chloride of the formula

Preparation of benzyl ketones and an oxirane

Fungicidal 1,2,4-triazolyl-propanols of the formula ##STR1## in which R represents methyl or ethyl,

Fungicidal 1,2,4-triazolyl-propanols

New halogenoalkyl-azolyl derivatives of the formula ##STR1## in which R.sup.1 represents optionally substituted alkyl, optionally substituted alkenyl or optionally substituted cycloalkyl,

Microbicidal halogenoallyl-azolyl derivatives of the formula ##STR1## in which R.sup.1 represents a radical of the formula ##STR2## R.sup.2 represents hydrogen, alkyl, alkenyl, acyl or aralkyl, X.sup.1 represents halogen,

Microbicidal halogenoallyl-azolyl derivatives

Fungicidal triazolylmethyl-cyclopropyl derivatives of the formula ##STR1## in which R represents a radical of the formula ##STR2## in which Z represents halogen, alkyl having 1 to 4 carbon atoms, alkoxy having 1 to 4 carbon atoms, alkylthio having 1 to 4 carbon atoms, halogenoalkyl having 1 or 2 carbon atoms and 1 to 5 halogen atoms, halogenoalkoxy having 1 or 2 carbon atoms and 1 to 5 halogen atoms, halogenoalkylthio having 1 or 2 carbon atoms and 1 to 5 halogen atoms, phenyl which is optionally substituted by at least one of alkyl having 1 or 2 carbon atoms and halogen, or represents phenoxy which is optionally substituted by at least one of alkyl having 1 or 2 carbon atoms and halogen, and

Fungicidal triazolymethyl-cyclopropyl derivatives

Antimycotically active azolyl-cyclopropyl-azolylmethylcarbinol compound of the formula ##STR1## in which R.sup.1 - represents hydrogen, or alkyl which is optionally substituted by optionally substituted aryl or

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Solingen, Germany

Klaus Stroech