Celamerck Gmbh & Co. Kg

Shell Internationale Research Maatschappij, B.v.

Celamerck, Gesellschaft MIT Beschrankter Haftung & Co. Kg

Gerbert Linden

Rudolf Mengel

Werner Stransky

Ludwig Schroder

Sigmund Lust

Gerhart Schneider

Erich Schacht

Werner Mehrhof

Jurgen Curtze

Richard Sehring

Wolfgang Buck

Klaus Thomas

Gunter Lauterbach

Erich Raddatz

Siegmund Lust

W Pfleiderer

Novel cycloalkane-5.dbd.-spiro-hydantoins of formula ##STR1## wherein A is selected from the group consisting of ##STR2## and the remaining substituents are defined below having strong, selective herbicidal activity and novel intermediates and a process for their preparation.

Herbicidal hydantoins

This invention relates to sulfonylureas of the formula ##STR1## These compounds are useful in killing weeds and in regulating the growth of cultivated plants.

Herbicidally effective sulfonylureas

Compounds of the formula ##STR1## wherein W and X, which may be identical to or different from each other, are each hydrogen, fluorine, chlorine, bromine, iodine, nitro, alkyl of 1 to 4 carbon atoms, fluoro-substituted alkyl of 1 to 4 carbon atoms or chloro-substituted alkyl of 1 to 4 carbon atoms;

4-phenoxy-pyridines having herbicidal activity

Certain trifluoromethoxy-phenoxy-pyridines having herbicidal activity

Compounds of the formula ##STR1## wherein R', R', R.sub.1, R.sub.2, X.sub.1, X.sub.2, Y.sub.1, Y.sub.2 and Z are variable substituents of different types. The compounds are useful as herbicides and microbicides.

2-Amino-6-(cyclopropylmethyl-amino)-pyrimidines useful as herbicides and

Compounds of the formula ##STR1## wherein R, R.sub.1, R.sub.2 and R.sub.3 are substituents of diverse types, and salts thereof. The compounds as well as their salts are useful as herbicides.

N-Pteridinyl-ureas

This invention relates to novel pyridine derivatives of the formula ##STR1## wherein n is 0, 1, or 2;

Phenoxy pyridine derivatives and herbicidal compositions containing same

This invention is directed to 2-chloro-6-nitro-aniline compounds of the formula ##STR1## wherein A represents hydrogen, a straight or branched alkyl radical having from 1 to 6 carbon atoms a cycloalkyl radical having from 3 to 6 carbon atoms, a chlorine-substituted or hydroxyl-sustituted alkyl radical having from 2 to 6 carbon atoms, or an allyl or trifluoroacetyl group,

2-Chloro-3-(phenoxy or phenylthio)-6-6-nitro -anilines

Compounds of the formula ##STR1## wherein R.sub.1 and R.sub.2 are each hydrogen, chlorine or fluorine; and

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Ingelheim, Germany

Gerbert Linden