| 摘要 |
PCT No. PCT/DE88/00037 Sec. 371 Date Sep. 23, 1988 Sec. 102(e) Date Sep. 23, 1988 PCT Filed Jan. 22, 1988 PCT Pub. No. WO88/05468 PCT Pub. Date Jul. 28, 1988.Process is described for the production of L-amino acids of general formula I <IMAGE> (I) in which R1 means an alkyl radical with at most 12 carbon atoms optionally substituted by hydroxy groups, mercapto groups, halogen atoms, amino groups, carbonyl groups or guanidino groups and/or interrupted by oxygen atoms, nitrogen atoms or sulfur atoms, and in the case of mercapto compounds of formula I also their dithio compounds, characterized in that the microorganism Nocardia spec. DSM 3306 or its enzymes are allowed to act on a D,L-imidazolidinedione derivative of general formula II <IMAGE> (II) in which R1 has the above-named meaning or, in the case of mercapto compounds of formula II, also in their dithio compounds.
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