The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 26, 2005
Filed:
Jun. 29, 2000
Thomas Riermeier, Floersheim, DE;
Karl-josef Haack, Niedernhausen, DE;
Uwe Dingerdissen, Seeheim-Jugenheim, DE;
Armin Boerner, Rostock, DE;
Vitali Tararov, Moskau, RU;
Renat Kadyrov, Rostock, DE;
Thomas Riermeier, Floersheim, DE;
Karl-Josef Haack, Niedernhausen, DE;
Uwe Dingerdissen, Seeheim-Jugenheim, DE;
Armin Boerner, Rostock, DE;
Vitali Tararov, Moskau, RU;
Renat Kadyrov, Rostock, DE;
Degussa AG, Duesseldorf, DE;
Abstract
The invention relates to the preparation of chiral or achiral amines by reaction of aldehydes or ketones with ammonia or primary or secondary amines in the presence of hydrogen and in the presence of homogeneous metal catalysts under mild conditions. Metal catalysts which can be used are complexes of late transition metals with chiral or achiral phosphorus-containing ligands.