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US5481026A Optically active amino acid sulphoxide and amino acid sulphone derivatives 失效
光活性氨基酸亚砜和氨基酸砜衍生物

Optically active amino acid sulphoxide and amino acid sulphone
derivatives
摘要:
The invention relates to new optically active amino acid derivatives of the general formula (I) ##STR1## in which n, R, R.sub.1, R.sub.2, R.sub.3, X and A have the meaning given in the description, which amino acid derivatives contain sulphoxide or sulphone groups, to two basic synthetic routes for the preparation from sulphur-containing amino acids, to the polymerization of these monomers and to the use of the polymers as optically active adsorbents for chromatographic resolution of racemates to give the enantiomers.
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