The optically active benzylamine derivatives of the present invention are very useful for use as the asymmetric ligand of an asymmetric reducing agent. By using the optically active amine-boron complex prepared from the compound of the present invention, optically active products can be obtained in a specifically high optical yield. Moreover, the separation and recovery of the reaction products and asymmetric ligand can be easily achieved.
The optically active benzylamine derivatives of the present invention are very useful for use as the asymmetric ligand of an asymmetric reducing agent. By using the optically active amine-boron complex prepared from the compound of the present invention, optically active products can be obtained in a specifically high optical yield. Moreover, the separation and recovery of the reaction products and asymmetric ligand can be easily achieved.
Optically active hydroxybenzylamine derivative, optically active amine-boron compound containing said derivative, and process for producing optically active compound by using said compound
申请人:SUMITOMO CHEMICAL COMPANY, LIMITED
公开号:EP0311385A2
公开(公告)日:1989-04-12
Optically active hydroxybenzylamine derivatives of the Formula:
wherein R¹ denotes a hydrogen atom, lower alkyl group or lower alkoxy group; R² denotes a lower alkyl group; * signifies an asymmetric carbon atom; and the hydroxyl group is located on the phenyl at the ortho- or meta- position relative to the substituent having the asymmetric carbon,
an optically active amine-boron compound having said derivative as a ligand, and
a process for producing an optically active compound by using said compound.
The derivations are useful as asymmetric ligands of asymmetric reducing agents. The optically-active amine-boron complex enables optically active products to be obtained specifically.