摘要 |
<p>A process for the predominantly producing R(-)-mandelic acid or a derivative thereof which comprises subjecting (i) R,S-mandelonitrile or a derivative thereof, or (ii) a mixture of prussic acid and benzaldehyde or a derivative of benzaldehyde to the action of a microorganism selected from the group consisting of the genus Aureobacterium, Pseudomonas, Caseobacter, Alcaligenes, Acinetobacter, Brevibacterium, Nocardia, and Bacillus or treated cells thereof, which the microorganism is capable of stereospecifically hydrolyzing a nitrile group of the R,S-mandelonitrile or a derivative thereof, in a neutral or basic aqueous reaction system to produce the R(-)-mandelic acid.</p> |
申请人 |
NITTO CHEMICAL INDUSTRY CO., LTD. |
发明人 |
ENDO, TAKAKAZU, C/O NITTO CHEMICAL INDUSTRY CO.LTD;TAMURA, KOJI, C/O NITTO CHEMICAL INDUSTRY CO.LTD |