American Cyanamid Company

Basf Aktiengesellschaft

Shell Research Limited

Trevor W Newton

Isabel Waldeck

Stefan Scheiblich

Helmut Siegfried Baltruschat

Binne Zwanenburg

Peter Johannes Servaas Savio Van Eijk

Herbicidal 3-(heterocycl-1-yl)-uracils

Herbicidal N-cyclohexadienyl heteroaryloxyacetamides

The novel compounds of formula I: wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 and Ar have the meaning given in claim 1, and herbicidal compositions containing such compounds as active ingredients.

Oxazole carboxamide herbicides

There are provided isoxazole- and isothiazole-5-carboxamide compounds of formula I ##STR1## which are useful for the control of undesirable monocotyledenous and dicotyledenous plant species in the presence of crops such as cereal and leguminous crops. Also provided are herbicidal compositions and methods of using same.

Herbicidal isoxazole and isothiazole-5-carboxamides

Novel herbicidal compounds of the general formula I ##STR1## wherein X represents an oxygen or sulphur atom; A represents an optionally substituted alkyl, alkenyl, cycloalkyl, cycloalkenyl, dialkylamino, aryl, heteroaryl, aralkyl or heteroalkyl group; R.sup.1 represents a hydrogen atom, an optionally substituted alkyl group or an optionally substituted acyl group; and R.sup.2 represents an optionally substituted aralkyl or heteroaralkyl group; together with their preparation, formulation and use.

Herbicidal [1,3,4]oxadiazoles and thiadiazoles

A method of combating undesired plant growth at a locus is disclosed, the method comprising applying to the locus a compound of general formula: ##STR1## where R.sup.1 and R.sup.2 independently represent a hydrogen atom or an optionally substituted alkyl or alkenyl group or R.sup.1 and R.sup.2 together represent an optionally substituted alkyl or alkenyl chain;

Herbicidal methods and compositions comprising epoxy compounds

A compound having the formula ##STR1## wherein A is CR.sub.7 ; and R.sup.1 through R.sup.7 are substituents such as hydrogen, halogen, branched and straight chain hydrocarbons, cyclic hydrocarbons, aromatics, and sulfur and nitrogen containing functional groups. Further, R.sup.5 and R.sup.6 may be taken together with the atom to which they are attached to form a group ##STR2## in which R.sup.9 and R.sup.10 are further functional groups. The compounds are useful in herbicidal compositions, particularly in combination with carriers and surfactants. A process for making this compound is also presented.

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Schwabenheim, Germany

Trevor W Newton