Celamerck Gmbh & Co. Kg

American Cyanamid Company

Shell Internationale Research Maatschappij, B.v.

Shell Research Limited

Celamerck, Gesellschaft MIT Beschrankter Haftung & Co. Kg

Ludwig Schroder

Werner Stransky

Jurgen Curtze

Sigmund Lust

Rudolf Mengel

Gerbert Linden

Guido Albert

Christine Helene Rudolph

Ewald Gerhard Sieverding

Annerose Edith Rehnig

Gerhart Schneider

Helmut Pieper

Josef Nickl

Paul H Briner

Heinz-Manfred Becher

Christo A Drandarevski

Erich Raddatz

There is provided a method for the control of phytopathogenic fungi and disease caused thereby which comprises contacting said fungi with a fungicidally effective amount of a benzophenone compound of formula I ##STR1## There are further provided benzophenone compounds of formula Ia which are useful as fungicidal agents and compositions useful for the protection of plants from the damaging effects of phytopathogenic fungi and fungal disease.

Fungicidal methods, compounds and compositions containing benzophenones

Fungicidal methods compounds and compositions containing benzophenones

Certain 2-chloropyridine derivatives, which are useful as starting materials for the preparation of various herbicides and fungicides, are prepared by cyclization of 1,3-butadiene derivatives in the presence of hydrogen chloride.

Preparation of 2-chloropyridine derivatives

2-chloropyridine 3-carboxylic acid esters are prepared by cyclization of 1,3-butadiene derivatives in the presence of hydrogen chloride.

Preparation of 2-chloropyridine 3-carboxylic acid esters

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

3,3-Diarylacrylic acid amides are prepared by the reaction of a benzophenone with an acetamide in the presence of a base characterized in that a sodium alcoholate is used as the base.

Preparation of 3,3-diarylacrylic acid amides

Compounds of the formula ##STR1## wherein A is ##STR2## B is ##STR3## R.sup.1 is hydrogen; halogen, cyano or optionally substituted C.sub.1-4 alkyl; and

Acrylic acid morpholides, fungicidal compositions and use

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;

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Ingelheim, Germany

Ludwig Schroder