Bayer Aktiengesellschaft

Lanxess Deutschland Gmbh

Aventis Research & Technologies Gmbh & Co Kg

Bayer Chemicals Ag

Alexander Kolomeitsev

Albrecht Marhold

Gerd-Volker Röschenthaler

Marielouise Henrich

Gerd Röschenthaler

Sergej Pasenok

Wolfgang Ebenbeck

Marielouise Schneider

Jan Barten

Alexander Kadyrov

The present invention relates to the preparation of nuclear-fluorinated aromatics by reacting, with a fluoride at 40 to 260&#xb0; C., an aromatic compound substituted at the nucleus with halogen that is exchangeable for fluorine in the presence of at least one compound of the formula (I) where A, B, and Anhave the meanings specified in the disclosure.

Process for preparing nuclear-fluorinated aromatics

The present invention relates to the preparation of nuclear-fluorinated aromatics by reacting, with a fluoride at 40 to 260&#xb0; C., an aromatic compound substituted at the nucleus with halogen that is exchangeable for fluorine in the presence of at least one compound of the formula (I) where A, B, and Any have the meanings specified in the disclosure.

The present invention relates to a process for preparing &#x3b1;,&#x3b1;-difluoroamines, difluoromethylene-&#x3b1;,&#x3b1;-diazo compounds and fluorination reagents containing &#x3b1;,&#x3b1;-difluoroamines and/or difluoromethylene-&#x3b1;,&#x3b1;-diazo compounds.

&#x3b1;, &#x3b1;-difluoroamines and difluoromethylene-&#x3b1;, &#x3b1;-diazo compounds

The invention relates to a process for preparing polyfluoroalkyl-lithium compounds by deprotonation of polyfluoroalkyl compounds by means of lithium bases.

Process for preparing polyfluoroalkylithium compounds

Process for preparing fluorine-containing compounds

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Kyiv, Ukraine

Alexander Kolomeitsev