发明公开
EP0061172A1 Phosphorus-containing oligopeptides, processes for preparation thereof and a pharmaceutical composition containing the same 失效
含磷寡肽,它们的制备方法和在包含它们的药物组合物。

Phosphorus-containing oligopeptides, processes for preparation thereof and a pharmaceutical composition containing the same
摘要:
Oligopeptides that contain phosporus, represented by the formule
in which R, represents hydrogen, lower alkyl, substituted or non substituted phenyl alkyl, or R 4 CO- (where R 4 represents hydrogen, lower alkyl, or substituted or non substituted phenyl alkyl), R 2 represents lower alkyl, R 3 represents hydrogen, lower alkyl, or substituted or non substituted phenyl alkyl, and Y represents hydrogen or hydroxyl exhibiting a hypertensive activity.
These oligopeptides can be prepared either by synthetic methods or, for two of them (namely antibiotics K-4 and K26), by cultivating microorganisms belonging to the genus ACTINOMADURA SPICULOSOSPORA NOV. SP K-4 (Ferm P-6101) and ACTINOMYCES K-26 (FERM P-5889, NRRL 12379) respectively.
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