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发明授权
US5656604A Peptide compound and its preparation 失效
肽化合物及其制备

Peptide compound and its preparation
摘要：
Peptide compounds of the formula (I') ##STR1## in which R.sup.1 is acyl,R.sup.2 is lower alkyl, cyclo(lower)alkyl(lower)alkyl or optionally substituted heterocyclic(lower)alkyl,R.sup.3 is optionally substituted heterocyclic(lower)alkyl or optionally substituted ar(lower)alkyl,R.sup.4 is lower alkyl, amino(lower)alkyl, protected amino(lower)alkyl, carboxy(lower)alkyl, protected carboxy(lower)alkyl or optionally substituted heterocyclic(lower)alkyl,R.sup.5 is carboxy, protected carboxy, carboxy(lower)alkyl or protected carboxy(lower)alkyl,R.sup.6 is hydrogen, lower alkyl, C.sub.6-10 ar(lower)alkyl amino(lower)alkyl, protected amino(lower)alkyl, carboxy(lower)alkyl, protected carboxy(lower)alkyl, or heterocyclic(lower)alkyl,R.sup.7 is hydrogen or lower alkyl, andA is --O--, --NH--, lower alkylimino or lower alkylene, or a pharmaceutically acceptable salt thereof are disclosed. The compounds can be used to treat and prevent endothelin mediated diseases such as hypertension. The preparation of such peptides is also disclosed.
摘要（中）：

式（I'）的肽化合物其中R 1是酰基，R 2是低级烷基，环（低级）烷基（低级）烷基或任选取代的杂环（低级）烷基），其中R 1是任选取代的杂环 （低级）烷基或任选取代的芳（低级）烷基，R 4是低级烷基，氨基（低级）烷基，保护的氨基（低级）烷基，羧基 烷基，R 5为羧基，保护的羧基，羧基（低级）烷基或保护的羧基（低级）烷基，R6为氢，低级烷基，C6-10ar（低级）烷基氨基（低级）烷基，被保护的氨基 （低级）烷基，受保护的羧基（低级）烷基或杂环（低级）烷基，R7是氢或低级烷基，A是-O - ， - NH-，低级烷基亚氨基或低级亚烷基或其药学上可接受的盐是 披露 该化合物可用于治疗和预防内皮素介导的疾病如高血压。 还公开了这种肽的制备。

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