Optically active linear polymer used as ligand in the preparation of metallic complexes designed for asymmetric catalysis
AssigneesRhodia Chimie, Centre National de la Recherche Scientifique (CNRS)
InventorsMarc Lemaire, Rob Ter Halle, Emmanuelle Schulz, Benoît Colasson, Michel Spagnol, Christine Saluzzo, Thierry Lamouille
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Abstract
The invention concerns optically active polymers, obtainable by polymerizing chiral diphosphine having a C2 axis of symmetry, excluding all other symmetry element, with one or several polymerizable monomers, said chiral diphosphine consisting of a chiral body bearing two identical functional groups capable of reacting with said polymerizable monomers.
Claims36
An optically active polymer obtained by polymerization of a chiral diphosphine exhibiting a C2 axis of symmetry, with the exclusion of any other element of symmetry, with one or more polymerizable monomers, said chiral diphosphine being composed of a chiral body carrying two identical functional groups capable of reacting with said polymerizable monomers.
An optically active polymer comprising:
- a residue of a chiral diphosphine exhibiting a C2 axis of symmetry, with the exclusion of any other element of symmetry, and comprising two identical polymerizable functional groups;
- and
- a residue of a monomer which can polymerize with the two functional groups, wherein the optically active polymer has more than one chiral site per polymeric chain and wherein the polymer is obtained by polymerization of the chiral diphosphine, with one or more of the polymerizable monomers, the chiral diphosphine being composed of a chiral body carrying the two identical functional groups capable of reacting with the polymerizable monomers.
An optically active polymer comprising:
- a residue of a chiral diphosphine exhibiting a C2 axis of symmetry, with the exclusion of any other element of symmetry, and comprising two identical polymerizable functional groups;
- and
- a residue of a monomer which can polymerize with the two functional groups, wherein the optically active polymer has more than one chiral site per polymeric chain and wherein the polymer is obtained by polymerization of the chiral diphosphine, with one or more of the polymerizable monomers, the chiral diphosphine being composed of a chiral body carrying the two identical functional groups capable of reacting with the polymerizable monomers, and wherein the functional groups are selected from the group consisting of an amino, a halogen, a hydroxyl, a thiol, a carboxyl, an isocyanate and a thioisocyanate functional group.
A method of making an optically active polymer, the method comprising polymerizing a chiral diphosphine exhibiting a C2 axis of symmetry, with the exclusion of any other element of symmetry, with one or more polymerizable monomers, said chiral diphosphine being composed of a chiral body carrying two identical functional groups capable of reacting with said polymerizable monomers.
Dependencies are inferred from the claim text.