Patent ID: 7589081
Filing Date: 2009-09-15
Classification: B01J,C07C,C07D,C07F

Abstract:
1. A phosphane ligand of formula (I) wherein X independently of Y represents a nitrogen atom or a C-R Y independently of X represents a nitrogen atom or a C-R R wherein the heteroatoms comprise nitrogen, oxygen, sulfur, or a combination thereof and wherein the number of heteroatoms is from 1 to 2, wherein the two radicals R wherein the above-mentioned radicals R wherein the heteroatoms comprise nitrogen, oxygen, sulfur, or a combination thereof and wherein the number of hetero atoms is from 1 to 4, a C wherein Q′ represents either a monovalent cation or a C wherein two of the mentioned substituents may be bridged with one another, R wherein two or more adjacent radicals, each independently of the other(s), may also be linked to one another so that a condensed ring system is present and wherein in R an alkyl radical comprises a hydrocarbon radical comprising from 1 to 20 carbon atoms which may be linear or branched, an alkenyl radical represents a mono- or poly-unsaturated hydrocarbon radical comprising from 2 to 20 carbon atoms which may in be linear or branched, a cycloalkyl radical comprises a hydrocarbon comprising from 3 to 20 carbon atoms, an aryl radical comprises a 5- to 14-membered aromatic radical, wherein from one to four carbon atoms in the aryl radical may be replaced by hetero atoms wherein the heteroatoms are nitrogen, sulfur, and oxygen so that a 5- to 14-membered heteroaromatic radical is present, wherein the radicals R