Lanxess Deutschland Gmbh

Bayer Chemicals Ag

Saltigo Gmbh

Axel Pleschke

Albrecht Marhold

Jens Peter Joschek

The invention relates to novel fluorinated achiral 1,3-benzodioxanes of the general formula (I-a) and (I-b) and to the preparation thereof.

Preparation of fluorinated 1,3-benzodioxanes

The present invention relates to an improved process for preparing ring-fluorinated aromatics of the general formula (I) by a halogen exchange reaction (halex reaction) of a plurality of halogen substituents in one stage in the presence of a catalyst.

Process for preparing ring-fluorinated aromatics

The invention relates to a process for preparing difluorobenzo-1,3-dioxole-5-carboxylic acid and derivatives thereof, and to the use thereof for preparing medicaments and crop protection agents.

Process for preparing difluorobenzo-1,3-dioxole-5-carboxylic acid derivatives

The invention relates to difluorobenzo-1,3-dioxoles, to a process for their preparation, and to their use for preparing medicaments and crop protection agents.

Difluorobenzo-1,3-dioxoles

The invention relates to a process for preparing 5-bromo-2,2-difluorobenzo-1,3-dioxoles and to the use thereof for preparing medicaments and crop protection agents.

Process for preparing 5-bromo-2,2-difluorobenzo-1,3-dioxoles

The present invention relates to a process for preparing perfluoroalkylanilines and to their use for preparing active ingredients, in particular for agrochemicals.

Growing community of inventors

Kö'ln, Germany

Axel Pleschke