Bayer Aktiengesellschaft

Michael Grosse-Bley

Rolf Grosser

Walter Lange

Bruno Bomer

Dieter Arlt

Franz-Peter Hoever

Richard Kujanek

Wolfgang Podszun

Burkhard Kohler

Wolfram Sirges

Uwe Zweering

Bruno B&ouml;mer

Bruno Bomer, Deceased

By Guido Bomer

The present application relates to injection formulations of avermectins and milbemycins based on a solvent mixture comprising sesame oil, medium-chain triglycerides, glycol esters or fatty acid esters and a further solvent from the group consisting of mono- or polyhydric aliphatic or aromatic alcohols and their derivatives (e.g. cyclic carbonates; acetates; acetals; ketals) or castor oil.

Injectable formulations of avermectins and milbemycins

The invention relates to novel optically active polymerizable dipeptides, to the process for the preparation thereof, to the polymerization thereof and to the use of the polymers as adsorbents for the chromatographic separation of enantiomers.

Polymers chromatographic separation of enantiomers

Injection formulations of avermectins and milbemycins based on castor oil

The invention relates to chiral polymers which are bonded to a support and have improved properties, a process for the preparation of these materials and their use as chiral stationary phases in the chromatograhic separation of optical isomers, in particular of racemates into their enantiomers.

Chiral stationary phases for chromatographic separation of optical

The invention relates to new optically active sulphur-containing amino acid derivatives, a process for their preparation, their polymerization to give optically active polymers and the use of these optically active polymers as adsorbents for chromatographic separation of racemates into enantiomers.

Optically active sulphur-containing amino acid derivatives

The invention relates to new optically active amino acid derivatives of the general formula (I) ##STR1## in which n, R, R.sub.1, R.sub.2, R.sub.3, X and A have the meaning given in the description, which amino acid derivatives contain sulphoxide or sulphone groups, to two basic synthetic routes for the preparation from sulphur-containing amino acids, to the polymerization of these monomers and to the use of the polymers as optically active adsorbents for chromatographic resolution of racemates to give the enantiomers.

Optically active amino acid sulphoxide and amino acid sulphone

The invention relates to new optically active sulphur-containing amino acid derivatives, a process for their preparation, their polymerisation to give optically active polymers and the use of these optically active polymers as adsorbents for chromatographic separation of racemates into enantiomers.

Optically active sulphur-containing amino acid derivatives, their

The invention relates to optically active, pressurestable bead polymers containing fillers, and their use as adsorbents for the chromatographic resolution of enantiomeric mixtures (or racemates) into their enantiomers.

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Cologne, Germany

Michael Grosse-Bley