Pyridonecarboxylic Acids as Antibacterial Agents. Part XVI. Imidazo- and Triazoloquinolones as Antibacterial Agents. Synthesis and Structure-Activity Relationships.
The present invention relates to halogen-containing aromatic compounds and methods thereof. The present invention relates a halogen-containing aromatic acid dianhydride, halogen-containing aromatic tetranitrile compound, halogen-containing m-phenylenediamine compound and fluorine compound, and a method thereof.
Process for producing 3,5-difluoroaniline and derivative thereof
申请人:SDS Biotech K.K.
公开号:US05510533A1
公开(公告)日:1996-04-23
A process for production of a 3,5-difluoroaniline compound with ease is disclosed, which comprise reacting an aminating agent with a 1,3,5-trifluorobenzene compound.
Process for the preparation of 3,5-difluoroaniline
申请人:Clariant GmbH
公开号:US05965775A1
公开(公告)日:1999-10-12
The present invention relates to a process for the preparation of 3,5-difluoroaniline by reacting 3,5-difluorochlorobenzene with ammonia in the presence of a solvent in the presence of a copper compound and at least one metal selected from the group consisting of copper, iron, cobalt, nickel, chromium, molybdenum and zinc, at 100 to 250.degree. C.
Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung von 3,5-Difluoranilin, indem man 3,5-Difluorchlorbenzol mit Ammoniak in Anwesenheit eines Lösungsmittels in Gegenwart einer Kupferverbindung und wenigstens eines Metalles, ausgewählt aus der Gruppe Kupfer, Eisen, Kobalt, Nickel, Chrom, Molybdän und Zink, bei 100 bis 250°C umsetzt.