C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/478, 260/488
C07C 69/00 (2006.01) C07C 67/303 (2006.01)
Patent
CA 1086771
Abstract of the Disclosure Catalytic asymmetric hydrogenation of the Z geometric isomer of a compound of the formulae Image and Image wherein R, R1 and R2 each independently represent hydrogen, substituted or unsubstituted alkyl having from 1 to 5 carbon atoms or substituted or unsubstituted aryl, and R3 represents substituted or unsubstituted alkyl having from 1 to 5 carbon atoms or substituted or unsubstituted aryl, in the presence of a homogeneous, coordination complex catalyst comprising rhodium, iridium or ruthenium in combination with an optically active bis phosphine ligand provides an outstanding level of optical purity.
259754
Bachman Gerald L.
Vineyard Billy D.
Mcfadden Fincham
Monsanto Company
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