Bayer Aktiengesellschaft

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Gerhard Bonse

Heinz U Blank

Achim Harder

Peter Jeschke

Norbert Mencke

Nikolaus Muller

Gerhard Marzolph

Wilhelm Brandes

Thomas Schmidt

Katsuharu Iinuma

Dieter Arlt

Werner Hallenbach

Erwin Bischoff

Hans Lindel

Jurgen Scherkenbeck

Hartwig Muller

Osamu Sakanaka

Hans Kratzer

Michael Londershausen

Wilhelm Stendel

Paul Reinecke

Reinhard Lantzsch

Hanns P Muller

Hanns-Peter Muller

Peter Andrews

Martin Scheer

Werner Lindner

Eckart Kranz

Volker Paul

Helmut Timmler

Friedrich Berschauer

Karlfried Dickore

Roland Richter

Yasushi Murai

Klaus Ditgens

Michael Stegemann

Peter Kurka

Yumiko Okada

Winfried Etzel

Georg Von Samson-Himmelstjerna

Rainer Zocher

Wolfgang Kreiss

Horst Kleinkauf

Robert Steffens

Makoto Ohyama

Masaaki Takahashi

Gerhard Thielking

Oliver Vetter

Friedhelm Reisewitz

Maki Matsumoto

Nobert Mencke

Arundev Haribhai Naik, Deceased

Martin Hamm

Paul Volker

Henning Dorr

Kouichi Miyamoto

Novel derivatives of PF1022 substance, which are cyclodepsipeptides represented by the general formula (I) shown below or their salts are useful as anthelmintic agent for prevention or treatment of parasitic infections.

Derivatives of cyclodepsipeptide PF1022 substance

The present invention relates to cyclic thiodepsipeptides, in particular 18 to 24-membered cyclothiodepsipeptides, their endoparasitical compositions, and methods of making and using the same.

Thiodepsipeptides for combating endoparasites and a method for producing the same

Method for the production of ivermectin

Process for the preparation of substituted aryl lactic acid containing

Enrofloxacine injection or infusion solutions

The present invention relates to the use of cyclic depsipeptides having 18 ring atoms of the general formula (I) ##STR1## in which R.sup.1 to R.sup.6 have the meaning given in the description, and to their optical isomers and racemates, in medicine and veterinary medicine for combating endoparasites, to their preparation, and to new cyclic depsipeptides having 18 ring atoms.

Cyclic depsipeptides having 18 ring atoms for combating endoparasites

The invention relates to a process for the selective hydrogenation of avermectins with the aid of a rhodium-phosphine complex based on a hydrazine.

Process for the preparation of ivermectin

New cyclic depsipeptides having 18 ring atoms, of the general formula (I) ##STR1## in which R represents hydrogen, straight-chain or branched or cyclic alkyl having up to 8 carbon atoms,

Cyclic depsipeptides having 18 ring atoms, and their use for combating

Substituted 1,3,4 -oxa- diazolinones of the formula (I) ##STR1## in which X represents O and

Substituted 1,3,4-oxa(thia)diazolinones process for their preparation

Substituted 1,3,4-thiadiazolinones of the formula (I), ##STR1## in which X represents O or S,

Substituted 1,3,4-thiadizaolinones, processes for their preparation, and

Substituted 1,3,4-oxa- and thiadiazolinones of the formula (I) ##STR1## in which R.sup.1 represents hydrogen, alkyl, alkoxy, alkylthio, halogen, halogenoalkyl, halogenoalkoxy or halogenoalkylthio,

Substituted 1,3,4-oxa (thia) diazolinones process for their preparation

Novel 5-acyloxy-4(5H)-oxazolonium salts of the formula ##STR1## in which R.sup.1 represents an optionally substituted aliphatic group with up to 12 carbon atoms, an optionally substituted cycloalkyl group with 3 to 10 carbon atoms, an optionally substituted phenyl or naphthyl group or an optionally substituted heterocyclic group and

Preparation of novel 5-acyloxy-4 (5H)-oxazolonium salts suited for use

Method of promoting the yield and growth of animals which comprises administering to such animals a yield and growth promoting effective amount of a benzimidazole derivative of the formula ##STR1## in which R.sup.1 stands for hydrogen, hydroxyl, alkyl or halogenoalkyl,

Use of benzimidazole derivatives as yield promoters

##STR1## (II), (III), (IV) and (V) are new. (VII) is a known intermediate for an animal growth promoter.

6-ethyl-3-amino or nitro-2,4-dihalogenopyridine compounds

Novel pesticidally active cyclic malonylphosphonic diamides of the formula ##STR1## in which X.sup. represents O or S,

Pesticidal cyclic malonylphosphonic diamides

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Cologne, Germany

Gerhard Bonse