Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Wolf-Ruediger Krahnert0
Renat Kadyrov0
Stefan Klaus0
Thomas Riermeier0
Alexander Zapf0
Axel Monsees0
Juan Jose Almena Perea0
Kai Rossen0
...
Date of Patent
May 12, 2009
Patent Application Number
11908446
Date Filed
March 2, 2006
Patent Primary Examiner
Patent abstract
(Hetero)aromatic are prepared from halogen-substituted (hetero)aromatic compounds in the presence of a base and a palladium catalyst having a nonpyrophoric monodentate phosphane ligand. The phosphane ligand structure includes two radical groups having a tertiary carbon attached directly to phosphorous and one radical group having a primary carbon attached to the phosphorous.
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