The present invention provides a metallocenyl compound of formula (I). R
a
, R
b
, R
c
, R
d
, R
e
, R
f
, M, m, n, j, k, Y and Z and * are as described in the specification. The invention also provides a process for the preparation of the complexes, a process for increasing the optical purity of a compound of formula (II) and a process for the asymmetric transfer hydrogenation (ATH) of a metallocenyl compound of formula (V) to a metallocenyl compound of formula (IV).
本发明提供了一种
化学式(I)的
金属茂化合物。R
a
、R
b
、R
c
、R
d
、R
e
、R
f
、M、m、n、j、k、Y和Z以及*如规范中所述。该发明还提供了一种制备这些配合物的方法,一种增加化合物的光学纯度的方法(
化学式(II)),以及一种将
化学式(V)的
金属茂化合物不对称转移氢化(ATH)为
化学式(IV)的
金属茂化合物的方法。