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US5079263A Manumycin derivatives and the use thereof 失效
苹果酸衍生物及其用途

Manumycin derivatives and the use thereof
摘要:
R.sup.2 is H or OH;R.sup.3 is H, OH, OCH.sub.3, CH.sub.3 or NH.sub.2 ;Rhu 4 is H, OH, OCH.sub.3, NH.sub.2 or ##STR2## The compounds of the formula I are prepared by fermentation of the strain Streptomyces parvulus DSM 40722 in the presence of substituted benzoic acids of the general formula II ##STR3## where R.sup.1 is H or OH;R.sup.2 is H or OH;R.sup.3 is H, OH, OCH.sub.3, CH.sub.3 or NH.sub.2 ;R.sup.4 is H, OH, OCH.sub.3 or NH.sub.2,and they inhibit Leukocyte elastase and can be used as pharmaceuticals.
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