Homogeneous Asymmetric Hydrogenation Process
AssigneeTakasago International Corporation
InventorsHideo SHIMIZU, Daisuke Igarashi, Wataru Kuriyama, Yukinori Yusa
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Abstract
Provide that a useful catalyst for homogeneous hydrogenation, particularly a catalyst for homogeneous asymmetric hydrogenation for hydrogenation, particularly asymmetric hydrogenation, which is obtainable with comparative ease and is excellent in economically and workability, and a process for producing a hydrogenated compound of an unsaturated compound, particularly an optically active compound using said catalyst with a high yield and optical purity.
Claims9
1-15. (canceled)
A process for producing an optically active compound, which comprises subjecting a prochiral compound to a homogeneous asymmetric hydrogenation in the presence of a catalyst for homogeneous hydrogenation,
- said catalyst comprising a chiral copper complex having a chiral ligand.
A homogeneous hydrogenation method comprising using a catalyst for homogeneous hydrogenation,
- said catalyst comprising a chiral copper complex represented by the formula (61):
- [L11L12CuL13]n35 (61)
- wherein L11 represents a bidentate optically active phosphorus compound;
- L12 represents a phosphorus compound different from L11;
- L13 represents a ligand;
- and n35 represents a natural number.
A homogeneous asymmetric hydrogenation method comprising using a catalyst for homogeneous asymmetric hydrogenation,
- said catalyst comprising a chiral copper complex represented by the formula (61):
- [L11L12CuL13]n35 (61)
- wherein L11 represents a bidentate optically active phosphorus compound;
- L12 represents a phosphorus compound different from L11;
- L13 represents a ligand;
- and n35 represents a natural number.
Dependencies are inferred from the claim text.