Abstract: Process for the preparation of enantiomerically enriched compounds of formula Ar—C(R1)—C(R2)-Z wherein Ar represents an optionally substituted (hetero)aryl group R1 and R2, each independently, represent H, an alkyl, (hetero)aryl, dialkylamino, amido, thioether, alkoxy or aryloxy group with the proviso that not both R1 and R2 represent H, or R1 and R2 form together with the C-atoms to which they are bound a (hetero)alkyl or (hetero)alkenyl ring and Z represents an electron withdrawing group, in which process a boronic acid derivate of formula Ar—B(OR3)OR4 or its anhydride, wherein R3 and R4, each independently, represent H or an alkyl group, is reacted with an olefinic unsaturated compound of formula R2—C?C—(R1)Z in the presence of a transition metal catalyst comprising a transition metal chosen from Cu and group VIII and an enantiomerically enriched ligand L, having formula (I) where Cn together with the two O-atoms and the P-atom forms a substituted or nonsubstituted ring with 2-6 C-atoms, R5 and R6 each ind

Abstract: Catalyst for the asymmetric (transfer) hydrogenation represented by the formula MLaXbSc, where M is a transition metal, to be chosen from rhodium and ruthenium, and X is a counter ion and S is a ligand, a ranges from 0.5 to 3 and b and c, each independently, range from 0 to 2, and L is a chiral ligand having the formula (1), where Cn together with the two 2 O-atoms and the P-atom forms a substituted or non-substituted ring with 2-4 C-atoms, R1 and R2 each independently represent H, an optionally substituted alkyl, aryl, alkaryl or aralkyl group or may form a (heterocyclic) ring together with the N-atom to which they are bound. And a process for the asymmetric (transfer) hydrogenation of an olefinically unsaturated compound, ketone, imine or oxime derivate in the presence of a hydrogen donor and of a catalyst, use being made of a catalyst represented by formula MLaXbSc, where M is a transition metal, to be chosen from rhodium, iridium and ruthenium, X is a counter ion, S is a ligand, a ranges from 0.

Abstract: Process for the preparation of enantiomerically enriched compounds with Formula Ar—C(R1)—C(R2)-Z wherein Ar represents an optionally substituted (hetero)aryl group, R1 and R2, each independently, represent H, an alkyl, (hetero)aryl, dialky-lamino, amido, thioether, alkoxy or aryloxy group with the proviso that not both R1 and R2 represent H, or R1 and R2 form together with the C-atoms to which they are bound a (hetero)alkyl or (hetero) alkenyl ring and Z represents an electron withdrawing group, in which process a boronic acid derivate of Formula Ar—B(OR3)OR4 or its anhydride, wherein Ar is as described above and R3 and R4, each independently, represent H or an alkyl group, is reacted with an olefinic unsaturated compound with Formula R2—C?C—(R1)Z, wherein R1, R2 and Z are as described above, in the presence of a transition metal catalyst comprising a transition metal chosen from Cu and group VIII of the Periodic Table and an enantiomerically enriched ligand L, having the Formula (I) where Cn together with th

Abstract: Catalyst for the asymmetric (transfer) hydrogenation represented by the formula MLaXbSc, where M is a transition metal, to be chosen from rhodium and ruthenium, and X is a counter ion and S is a ligand, a ranges from 0.5 to 3 and b and c, each independently, range from 0 to 2, and L is a chiral ligand having the formula (1), where Cn together with the two 2 O-atoms and the P-atom forms a substituted or non-substituted ring with 2-4 C-atoms, R1 and R2 each independently represent H, an optionally substituted alkyl, aryl, alkaryl or aralkyl group or may form a (heterocyclic) ring together with the N-atom to which they are bound. And a process for the asymmetric (transfer) hydrogenation of an olefinically unsaturated compound, ketone, imine or oxime derivate in the presence of a hydrogen donor and of a catalyst, use being made of a catalyst represented by formula MLaXbSc, where M is a transition metal, to be chosen from rhodium, iridium and ruthenium, X is a counter ion, S is a ligand, a ranges from 0.