abstract |
The present invention relates to a method for hydrogenating a substrate comprising a carbon-heteroatom double bond, the method comprising reacting the substrate with hydrogen in the presence of a hydrogenation catalyst, wherein the hydrogenation catalyst is a complex of formula (I): R 1-10 , A and Hal are as defined in the specification. The present invention also provides the preparation method of the complex of formula (I) and its intermediate. |