1,2-BIS(METHYL(1,1,3,3-TETRAMETHYLBUTYL)-PHOSPHINO)ETHANE, PROCESS FOR THE PREPARATION THEREOF, TRANSITION METAL COMPLEXES CONTAINING THE SAME AS THE LIGAND AND USES THEREOF
摘要
<p>A novel bisphosphine compound represented by formula (1): (wherein t-C8H17 represents 1,1,3,3-tetramethylbutyl), which has asymmetric centers at the phosphorus atoms and is useful as the ligand of asymmetric catalysts for asymmetric hydrogenation; a process for the preparation thereof; transition metal complexes containing the compound as the ligand; and processes for the asymmetric hydrogenation of unsaturated carboxylic acids and esters thereof by using the complexes as the asymmetric catalyst.</p>
