| 摘要 |
Compounds of the formula (1), in which R<SUB>1 </SUB>is C<SUB>1</SUB>-C<SUB>4</SUB>alkyl, C<SUB>6</SUB>-C<SUB>10</SUB>aryi or C<SUB>7</SUB>-C<SUB>11</SUB>,aralkyl, R<SUB>2 </SUB>is an open-chain or cyclic secondary amino group, and R is a radical of the formula in which <SUB>R3 </SUB>is C<SUB>1</SUB>-C<SUB>4</SUB>alkyl or C<SUB>1</SUB>-C<SUB>4</SUB>alkoxy, and R<SUB>4 </SUB>is H, Cl-C<SUB>4</SUB>alkyl or C<SUB>1</SUB>-C<SUB>4</SUB>alkyloxy, are ligands for metal complexes as homogeneous hydrogenation catalysts for prochiral organic compounds containing double bonds, by means of which a very high activity and productivity and also enantioselectivity can be achieved. |
