TADDOL and titanium ( ) taddolate dendrimers and composition
AssigneeNovartis AG
InventorDieter Seebach
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Abstract
TADDOL dendrimers are described. Their use as crosslinkers in polymerisation reactions and the use of Ti salts of polymer-bound TADDOL dendrimers as catalysts in enantioselective addition reactions is disclosed.
Claims13
A composition comprising a polymer bound to or cross-linked to a dendrimer, said dendrimer comprising a member selected from the group consisting of an α,α,α′,α′-tetraaryl-1,3-dioxolane-4,5-dimethanol moiety and an α,α,α′,α′-tetraaryl-1,3-dioxolane-4,5-dimethanolate of titanium (IV) moiety, said moiety comprising a dendritic substituent, wherein said dendritic substituent is bound to an α or an α′ aryl group.
A method for producing a dendrimer bound to a polymer, comprising:
- reacting a polymer or a polymerizable monomer unit of said polymer with a dendrimer α,α,α′,α′-tetraaryl-1,3-dioxolane-4,5-dimethanol, wherein said dendrimer comprises an α,α,α′,α′-tetraaryl-1,3-dioxolane-4,5-dimethanol moiety, said moiety comprising a dendritic substituent, wherein said dendritic substituent is bound to an α or an α′ aryl group, and wherein said dendritic substituent comprises a polymerizable terminal functional group.
Dependencies are inferred from the claim text.