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    • 5. 发明授权
    • Pharmaceutical compositions containing didemnins
    • 含有didemnins的药物组合物
    • US5294603A
    • 1994-03-15
    • US837803
    • 1992-02-18
    • Kenneth L. Rinehart
    • Kenneth L. Rinehart
    • C07K11/00C07K5/12A61K37/00
    • C07K11/00
    • This invention is directed to didemnin derivatives, including N-acyl congeners of didemnin A (DA); several DDB-type analogues of DA in which either pyruvic acid has been replaced (with phenylpyruvic acid or alphaketobutyric acid) or proline at position 8 has been replaced [with L-azetidine-2-carboxylic acid (AZT), L-pipecolic acid (Pip), 1-amino-1-carboxylic cyclopentane (acc.sup.5), D-Pro or sarcosine (sar); and other cyclic depsipeptides related to the didemnins, which were isolated from a relatively polar extract of the tunicate T. solidum; namely the didemnins--X [(R)-3-hydroxy-decanoyl-(Gln).sub.3 -Lac-Pro didemnin A]; Y [(R)-3-hydroxy-decanoyl-(Gln).sub.4 -Lac-Pro didemnin A]; M (pGlu-Gln-Lac-Pro-didemnin A); N ([Tyr.sup.5 ] didemnin B); nordidemnin N ([Tyr.sup.5 ] nordidemnin B); and epididemnin A ([2S,4R-Hip.sup.2 ] didemnin A).
    • 本发明涉及去甲肾上腺素衍生物,包括去甲孕酮A(DA)的N-酰基同系物; 已经替换了其中丙氨酸被替换的几种DDB类似物(苯基丙酮酸或吖丁啶酸)或第8位的脯氨酸已经被替换(用L-氮杂环丁烷-2-羧酸(AZT),L-哌啶酸( Pip),1-氨基-1-羧基环戊烷(acc5),D-Pro或肌氨酸(sar);以及与被除虫菊素相关的其它环状缩酚酸肽,其从所述隐孢子虫的相对极性提取物中分离;即 ((R)-3-羟基 - 癸酰基 - (Gln)3-Lac-Pro didemnin A); Y((R)-3-羟基 - 癸酰基 - (Gln)4-Lac-Pro didemnin A); M(pGlu-Gln-Lac-Pro-didemnin A); N((Tyr5)didemnin B); Nordidemn N((Tyr5)nordidemnin B))和附睾素A((2S,4R-Hip2)didemnin A)。