申请人:ENZON, INC.
公开号:EP1897561A1
公开(公告)日:2008-03-12
The present invention is directed to double prodrugs containing polymeric-based transport forms. These polymeric prodrugs are preferably of formula (I) wherein: L1 is a bifunctional linking moiety; in formula (a) B is H, a leaving group, a residue of an amine-containing moiety, or a residue of a hydroxyl-containing moiety; Y1-4 are independently O. S, or NR12; R1, R4, R9, R10 and R12, are independently selected from the group consisting of hydrogen C1-6 alkyls, C3-12 branched alkyls, C3-8 cycloalkyls, C1-6 substituted alkyls, C3-8 substituted cycloalkyls, aryls, substituted aryls, aralkyls, C1-6 heteroalkyls, substituted C1-6 heteroalkyls; R2, R3, R5 and R6 are independently selected from the group consisting of hydrogen, C1-6 alkyls, C1-6 alkoxy, phtnoxy, C1-8 heteroalkyls, C1-8 heteroalkoxy, substituted C1-6 alkyls, C3-8 cycloalkyls, C3-8 substituted cycloalkyls, aryls, substituted aryls, aralkyls, halo-, nitro-, cyano-, carboxy-, C1-6 carboxyalkyls and C1-6 alkyl carbonyls; Ar is a moiety which when included in Formula (I) forms a multi-substituted aromatic hydrocarbon or a multi-substituted heterocyclic group; (m), (r), (s), (t), (u) and (v) are independently zero or one; (p) is zero or a positive integer, and R11 is a substantially non-antigenic polymer. The first prodrug is generated when the polymeric portion of the double prodrug is cleaved and the parent molecule is generated rapidly thereafter in vivo, preferably as a result of a 1,6 or 1,4 benzyl elimination-reaction. Methods of preparing the compounds and methods of treatment are also disclosed.
本发明涉及含有聚合物基转运形式的双重原药。这些聚合物原药最好为式(I),其中:L1 是双官能连接基团;在式(a)中,B 是 H、离去基团、含胺基团的残基或含羟基基团的残基;Y1-4 独立地是 O。S或NR12;R1、R4、R9、R10和R12独立地选自氢C1-6烷基、C3-12支链烷基、C3-8环烷基、C1-6取代的烷基、C3-8取代的环烷基、芳基、取代的芳基、芳基、C1-6杂烷基、取代的C1-6杂烷基组成的组;R2、R3、R5 和 R6 独立地选自氢、C1-6 烷基、C1-6 烷氧基、烷氧基、C1-8 杂烷基、C1-8 杂烷氧基、取代的 C1-6 烷基、C3-8 环烷基、C3-8 取代的环烷基、芳基、取代的芳基、芳烷基、卤代、硝基、氰基、羧基、C1-6 羧基和 C1-6 烷基羰基组成的组;Ar是一个分子,当它包含在式(I)中时,形成一个多取代的芳香烃或一个多取代的杂环基团;(m)、(r)、(s)、(t)、(u)和(v)独立地为零或一;(p)为零或一个正整数,R11为基本上无抗原性的聚合物。当双原药的聚合物部分被裂解时,第一原药生成,随后母体分子在体内迅速生成,最好是作为 1,6 或 1,4 苄基消去反应的结果。此外,还公开了化合物的制备方法和治疗方法。