Complexes containing optically active sugar ligands, a...

Details Complexes containing optically active sugar ligands, a... Complexes containing optically active sugar ligands, a...

C - Chemistry, Metallurgy

07

C

260/210, 260/626

C07C 29/40 (2006.01) C07C 227/32 (2006.01) C07D 319/16 (2006.01) C07F 7/00 (2006.01) C07F 7/18 (2006.01) C07H 23/00 (2006.01)

Patent

CA 1289951

Complexes containing optically active sugar ligands, a process for their preparation and their use Abstract Compounds of the formulae I and Ia Image (I) and Image (Ia) in which R1 is a group which can be transferred to carbonyl or imine compounds, for example alkyl, allyl, vinyl or the radical of an enol or enamine, R2 is, for example, cyclopentadien- yl, R3 is the radical of an optically active sugar or sugar derivative, Me is Ti, Zr or Hf, x is 0, 1 or 2 and y is 0, 1, 2 or 3, M? is Li?, Na?, K?, MgY?, ZnY?, CdY?, HgY, CuY? or quaternary ammonium, Y being halogen, are suitable for use as chiral reactants for compounds containing aldehyde, keto and/or N-substituted imine groups.

542624

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