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    • 5. 发明授权
    • Peptide skeletal muscle relaxants
    • 肽骨骼肌松弛剂
    • US5494898A
    • 1996-02-27
    • US303975
    • 1994-09-09
    • Yea-Shun ChengZenon D. KonteatisMark J. MacielagDavid C. Palmer
    • Yea-Shun ChengZenon D. KonteatisMark J. MacielagDavid C. Palmer
    • A61K38/00C07K5/02C07K5/087C07K5/09C07K5/097A61K38/06
    • C07K5/0821C07K5/0202C07K5/0812C07K5/0815C07K5/0823A61K38/00
    • Novel diquaternary polypeptides possessing skeletal muscle relaxation activity represented by the formulae: ##STR1## wherein: R is lower alkyl; R.sub.1 and R.sub.2 are lower alkyl or R.sub.1 and R.sub.2, together with the nitrogen to which they are attached form a heterocyclic ring having 5 to 7 member atoms; R.sub.3 is lower alkyl, [N,N-di(lower alkyl)-3-piperidinium].sup.(+), or [N,N-di(lower alkyl)-4-piperidinium].sup.(+) R.sub.4 is selected from the group consisting of t-butyl, benzyl or fluorenylmethyl; A.sub.1 is selected from the group consisting of trans-4-acetoxyproline, phenylalanine, glutamic acid-.gamma.-methyl ester, or proline; AA.sub.2 is selected from the group consisting of phenylalanine, leucine, 3-(2-naphthyl)alanine, 3-(1-naphthyl)alanine, and 3-cyclohexylalanine; AA.sub.3 is proline when R.sub.3 is [N,N-di(lower alkyl)-3-piperidinium].sup.(+) or [N,N-di(lower alkyl)-4-piperidinium].sup.(+), and is Orn(.delta.-N.sup.(+) --R--R.sub.1 --R.sub.2) or Lys(.epsilon.-N.sup.(+) --R--R.sub.1 --R.sub.2) when R.sub.3 ia lower alkyl; AA.sub.4 is Orn(.delta.-N.sup.(+)--R--R.sub.1 --R.sub.2) or Lys(.epsilon.-N.sup.(+) --R--R.sub.1 --R.sub.2); Z.sup.(-) is a pharmaceutically acceptable anion; and (R).sub.m R.sub.1 R.sub.2 N.sup.(+) represents the acceptable anion; (R).sub.m R.sub.1 R.sub.2 N.sup.(+) -- represents the alpha amino group of AA.sub.1 ; and m represents an integer of 0 or 1 with the proviso that m is zero only when AA.sub.1 is trans-4-acetoxyproline or proline.
    • 具有由下式表示的骨骼肌松弛活性的新型二季铵化多肽:其中:R为低级烷基; R 1和R 2是低级烷基或R 1和R 2与它们所连接的氮一起形成具有5至7个成员原子的杂环; R3是低级烷基,[N,N-二(低级烷基)-3-哌啶鎓](+)或[N,N-二(低级烷基)-4-哌啶鎓](+)R 4选自 叔丁基,苄基或芴基甲基; A1选自反式-4-乙酰氧基脯氨酸,苯丙氨酸,谷氨酸-γ-甲酯或脯氨酸; AA2选自苯丙氨酸,亮氨酸,3-(2-萘基)丙氨酸,3-(1-萘基)丙氨酸和3-环己基丙氨酸; 当R3是[N,N-二(低级烷基)-3-哌啶鎓](+)或[N,N-二(低级烷基)-4-哌啶鎓](+)时,AA3是脯氨酸,并且是Orn 当R3低级烷基时,N(+) - R-R1-R2)或Lys(ε-N(+) - R-R1-R2) AA4是Orn(Δ-N(+)-R-R1-R2)或Lys(ε-N(+)-R-R1-R2); Z( - )是药学上可接受的阴离子; 和(R)mR1R2N(+)表示可接受的阴离子; (R)mR1R2N(+) - 表示AA1的α氨基; m表示0或1的整数,条件是仅当AA1为反式-4-乙酰氧基脯氨酸或脯氨酸时,m为0。