Anionic group VIII metal hydride catalysts
Rhodium-phosphine chiral hydrogenation catalysis of acetophenone, atropic acid, and alpha-acylamidoacrylic acids and esters thereof
Catalysts for hydrogenation of aromatic compounds
Ruthenium-phosphine complex Patent #: 4691037
ApplicationNo. 716013 filed on 06/17/1991
US Classes:502/162, Organic phosphorus or nitrogen, except the ammonium ion556/21, Exactly three carbons bonded directly to the phosphorus (e.g., triphenylphosphines, etc.)556/45, Manganese or rhenium containing (Mn or Re)562/493, Monocyclic562/496Carboxyl, or salt thereof, not bonded directly to ring
ExaminersPrimary: Killos, Paul J.
Assistant: Conrad, Joseph
Attorney, Agent or Firm
International ClassesB01J 031/00
AbstractA process for the asymmetric reduction of carboxylic acids of the formula ##STR1## or the amine salts thereof, where R and R1 are the same or different and are hydrogen, alkyl, cycloalkyl or haloalkyl and Ar is aryl or substituted aryl is disclosed.