申请人:Digenis, George Alexander
公开号:EP0368449A2
公开(公告)日:1990-05-16
A polymer of the formula
P-(L-R)q
wherein
P is a polymer comprising at least one unit of the formula (AmBn), wherein (AmBn) is substantially nonbiodegradable and has an average molecular weight of about 1,000 to 500,000 daltons, m and n may be the same or different and are about 5 to 3,000, and A and B may be the same or different and at least one of A and B is capable of covalently binding to one of L and R, R is a compound selected from the group consisting of
a compound C of the formula
wherein X is oxygen or sulfur, R′ is selected from the group consisting of straight and secondary branch-chained (C₁-C₄) alkyl, (C₂-C₃) alkenyl, 4) alkynyl, (C₃-C₆) cycloalkyl, and benzyl, and is selected from the group consisting of substituted and unsubstituted phenyl, wherein the substituents are selected from the group consisting of nitro, and penta-fluoro, benzyl, CH₂CF₂CF₂CF₃, 1-lower alkyl tetrazolyl, 1-phenyltetrazolyl, 2-thioxo3-thiazolidinyl-, pyridyl and benzothiazolyl, provided that when R² is pnitrophenyl R′ is other than tert-butyl, benzyl or cyclohexyl, and when X is sulfur R² is other than benzyl;
a compound D of the formula:
wherein X is 0 or S, R² is selected from the group consisting of phenyl, nitrophenyl, fluorophenyl, - CH₂CF₂CF₂CF₃, 1 -lower alkyltetrazolyl 1 -phenyltetrazolyl, benzyl, 2-thioxo-3- thiazolidinyl, pyridyl and benzothiazolyl, and R′ is selected from the group consisting of straight or secondary branch chained (C₁-C₄) alkyl, (C₂-C₃) alkenyl, (C₂-C₄) alkynyl, (C₃-C₆) cycloalkyl, and benzyl, provided that when R² is p - nitropheny 1 R′ is other than tertiary-butyl, benzyl or cyclohexyl, and when X is sulfur R² is other than benzyl; and
a compound E of the formula
wherein Z is -O-Suc-Ala-Ala each said R being covalently bound to L or to one of A and B, L is selected from the group consisting of a covalent bond and a linker group which is covalently bound to R and one of A and B, and g is about 1 to m+n.
Pharmaceutical compositions and methods of inhibiting the enzyme elastase and increasing the biological half-life and/or potency in terms of inhibitory activity of the enzyme elastase of peptide compounds are also provided.
式中的聚合物
P-(L-R)q
其中
P 是至少包含一个式(AmBn)单元的聚合物,其中(AmBn)基本上不可生物降解,平均分子量约为 1,000 至 500,000 道尔顿,m 和 n 可以相同或不同,约为 5 至 3,000 道尔顿,A 和 B 可以相同或不同,且 A 和 B 中至少有一个能与 L 和 R 中的一个共价结合,R 是选自由以下组成的组的化合物
式中的化合物 C
其中 X 是氧或硫,R′选自直链和仲支链的(C₁-C₄)烷基、(C₂-C₃)烯基、4)炔基、(C₃-C₆)环烷基和苄基组成的组,并选自取代和未取代的苯基组成的组,其中取代基选自硝基、和五氟、苄基、CH₂CF₂CF₂CF₃、1-低烷基四唑基、1-苯基四唑基、2-硫酮-3-噻唑烷基、吡啶基和苯并噻唑基、但当 R² 为对硝基苯基时,R′不是叔丁基、苄基或环己基,当 X 为硫时,R² 不是苄基;
式中的化合物 D:
其中 X 是 0 或 S,R² 选自苯基、硝基苯基、氟苯基、-CH₂CF₂CF₂CF₃、1-低级烷基四唑基 1-苯基四唑基、苄基、2-硫酮-3-噻唑烷基、吡啶基和苯并噻唑基组成的组、和 R′选自直链或仲支链(C₁-C₄)烷基、(C₂-C₃)烯基、(C₂-C₄)炔基、(C₃-C₆)环烷基和苄基组成的组、和苄基,条件是当 R² 是对硝基苯 1 时,R′不是叔丁基、苄基或环己基;当 X 是硫时,R² 不是苄基;和
式中化合物 E
其中 Z 是-O-Suc-Ala-Ala,每个所述 R 与 L 或 A 和 B 之一共价结合,L 选自共价键和与 R 及 A 和 B 之一共价结合的连接基团组成的组,且 g 约为 1 至 m+n。
还提供了抑制弹性蛋白酶的药物组合物和方法,以及增加多肽化合物的生物半衰期和/或抑制弹性蛋白酶活性的有效性的药物组合物和方法。