Rhone-poulenc, Inc.

Rhone-poulenc Ag Company Inc.

Peter Wyatt Newsome

Tai-Teh Wu

David Treadway Manning

Patrick Doyle Lowder

Jennifer Lantz Phillips

Nicholas Charles Ray

Alain Chene

Philip Reid Timmons

David T Chou

Gail S Powell

David N Sinodis

Lee S Hall

Pesticidal 1-arylpyrazoles

The invention relates to novel intermediates in a process for preparing compounds having the formula: ##STR1## wherein R.sub.3, R.sub.4, R.sub.6 and Ar are as defined in the description, by reaction of a compound of formula (I) with a compound of formula (II) according to the following reaction scheme: ##STR2## The compounds of formula (IV) are useful as pesticides.

Intermediates for preparing pyrazole derivatives

The invention relates to a process for preparing compounds having the formula: ##STR1## wherein R.sub.3, R.sub.4, R.sub.6 and Ar are as defined in the description, by reaction of a compound of formula (I) with a compound of formula (II) according to the following reaction scheme: ##STR2## The compounds of formula (IV) are useful as pesticides.

Process for preparing pyrazole derivatives

The invention describes novel 1-arylimidazoles of formula (I) ##STR1## wherein typically preferred substituents are: X is S(O).sub.n R.sub.1, in which R.sub.1 is an alkyl group, preferably a methyl group, which is fully substituted by halogen atoms, and n is 0, 1 and 2;

Pesticidal 1-arylimidazoles

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Chapel Hill, NC, United States of America

Peter Wyatt Newsome