| 摘要 |
<p>Provided is a catalyst for producing an optically active aldehyde by selective asymmetric hydrogenation of an a,ß-unsaturated aldehyde, particularly a catalyst that is insoluble in the reaction mixture and is used to obtain optically active citronellal, which is useful as a fragrance, by selective asymmetric hydrogenation of citral, geranial or neral. Also provided is a method for producing the corresponding optically active aldehyde. The a,ß-unsaturated aldehyde is subjected to asymmetric hydrogenation using a solid catalyst comprising an optically active compound and a metal-supporting product wherein a carrier supports at least one metal selected from the group consisting of the elements in Groups 8 through 10 of the Periodic Table.</p> |
