产品介绍：
Technical Notes:
1. Enantios elective catalyst for the as ymmetric hydrog enation of a, B-unsaturated olefins .
2. Efficient catalyst for the asymmetric reduction of carbonyl groups, such as B-ketoes ters .
References:
1. U.S. Patent 5,198,561.
2. Tetrahedron Asymmetry, 1997, 8, 3327.
