摘要:
The present invention is directed to polymeric-prodrug transport forms of the formula: wherein: E1-4 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, C1-6 alkoxy, phenoxy, C1-6 heteroalkoxy, and at least one of E1-4 includes a B moiety, wherein B is a leaving group, OH, a residue of a hydroxyl-or amino-containing moiety or wherein J1 is the same as J, or another member of the group defining J and E5 is the same as E1-4, or another member of the group defining E1-4, Y1-2 are independently O, S or NR9; M is a heteroatom selected from either X or Q; wherein X is an electron withdrawing group and Q is a moiety containing a free electron pair positioned three to six atoms from C(═Y2); R2-5 and R7-9 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, C1-6 alkoxy, phenoxy and C1-6 heteroakoxy; (m1) and (m2) are independently zero or one; (n1), (n2), (p1), (p2) and (q) are independently zero or a positive integer, Z is an electron withdrawing group; and R1 is a polymeric residue. which is optionally capped with a moiety of the formula:
摘要:
The present invention is directed to polymeric-prodrug transport forms of the formula: wherein: E1-4 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, C1-6 alkoxy, phenoxy, C1-6 heteroalkoxy, and at least one of E1-4 includes a B moiety, wherein B is a leaving group, OH, a residue of a hydroxyl-or amino-containing moiety or wherein J1 is the same as J, or another member of the group defining J and E5 is the same as E1-4, or another member of the group defining E1-4; Y1-2 are independently O, S or NR9; M is a heteroatom selected from either X or Q; wherein X is an electron withdrawing group and Q is a moiety containing a free electron pair positioned three to six atoms from C(=Y2); R2-5 and R7-9 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, C1-16 heteroalkyls, substituted C1-6 heteroalkyls, C1-6 alkoxy, phenoxy and C1-6 heteroalkoxy; (m1) and (m2) are independently zero or one; (n1), (n2), (p1), (p2) and (q) are independently zero or a positive integer, Z is an electron withdrawing group; and R1 is a polymeric residue. which is optionally capped with a moiety of the formula:
摘要:
Polymeric compounds of the formula: (D)n—M—(R1)m (I) wherein (m) and (n) independently selected positive integers, preferably from about 1 to about 6 each; D is a residue of a biologically active moiety; M is a multifunctional linker/spacer moiety; and R1 is a polymer residue are disclosed. Methods of preparing the same and methods of treatment using the same are also included as part of the present invention.
摘要:
The present invention is directed to polymeric- prodrug transport forms of the formula: ##STR1## wherein: B is a leaving group, OH, a residue of a hydroxyl-containing moiety or ##STR2## wherein B.sub.1 is a leaving group, OH or a residue of a hydroxyl-containing moiety;Y.sub.1-2 are independently O or S;M is selected from either X or Q; wherein X is an electron withdrawing group and Q is a moiety containing a free electron pair positioned three to six atoms from C(.dbd.Y.sub.2); R.sub.2-5 are independently selected from the group consisting of hydrogen, C.sub.1-6 alkyls, C.sub.3-12 branched alkyls, C.sub.3-8 cycloalkyls, C.sub.1-6 substituted alkyls, C.sub.3-8 substituted cycloalkyls, aryls, substituted aryls, aralkyls, C.sub.1-6 heteroalkyls and substituted C.sub.1-6 heteroalkyls;(m) is zero or one;(n) is a positive integer;(p) is zero or a positive integer;Z is an electron withdrawing group; andR.sub.1 is a polymeric residue which is optionally capped with a moiety of the Formula (v) ##STR3##
摘要:
The present invention is directed to conjugates such as polymeric prodrugs of aromatic, hydroxyl-containing compounds and methods of making and using the same. These polymeric prodrugs are preferably esters of hydroxyl-containing aromatic compounds and are formed by reacting a desired aromatic, hydroxyl-containing compound with a substantially non-antigenic polymer so as to produce a transport form having an ester linkage between the aromatic compound and the polymer. Preferred aromatic hydroxyl-containing compositions include 10- and 11-hydroxycamptothecin derivatives. Methods of treatment are also disclosed.
摘要:
The present invention is directed to double prodrugs containing polymeric-based transport forms. These polymeric prodrugs are preferably of the formula: wherein: L1 is a bifunctional linking moiety; G is H or where 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, phenoxy, 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 1,6 or 1,4 benzyl elimination-reaction. Methods of preparing the compounds and methods of treatment are also disclosed.
摘要:
The present invention is directed to double prodrugs containing polymeric-based transport forms. These polymeric compounds comprise the formula: wherein: B is H, OH, OSiR13, a residue of an amine-containing target moiety or a residue of a hydroxyl-containing moiety; L1 and L2 are bifunctional linking moieties; Y2is O or S; R2 is selected from the group consisting of 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, C1-6 alkoxy, phenoxy, and C1-6 heteroalkoxy; R9, R10, R13 are independently one of hydrogen, C1-6 alkyls, C3-12 branched alkyls, C3-8 cycloalkyls, C1-6 substituted alkyls, C3 S substituted cycloalkyls, aryls, substituted aryls, aralkyls, C1-6 heteroalkyls, substituted C1-6 heteroalkyls, C1-6 alkoxy, phenoxy, and C1-6 heteroalkoxy; Ar is a moiety which when included in Formula (I) forms a multi-substituted aromatic hydrocarbon or a multi-substituted heterocyclic group; (m) is zero or one; and R11 is a polymer residue. 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, as a result of a trialkyl lock type lactonization-type reaction.
摘要翻译:本发明涉及含有基于聚合物的输送形式的双重前药。 这些聚合化合物包括下式:其中:B是H,OH,OSiR13,含胺目标部分的残基或含羟基部分的残基; L1和L2是双官能连接部分; Y 2是O或S; R 2 选自C1-6烷基,C3-12支链烷基,C3-8环烷基,C1-6取代烷基,C3-8取代环烷基,芳基,取代芳基,芳烷基,C1-6杂烷基,取代C1- 6个杂烷基,C 1-6烷氧基,苯氧基和C 1-6杂烷氧基; R 9,R 10,R 13独立地为氢,C 1-6烷基,C 3-12支链烷基,C 3-8环烷基,C 1-6取代的烷基,C 3 S取代的环烷基,芳基,取代的芳基,芳烷基,C 1-6杂烷基,取代的C 1-6杂烷基,C 1-6烷氧基,苯氧基和C 1-6杂烷氧基; Ar是当式(I)中包括时, 取代的芳族烃或多取代的杂环基;(m)为0或1; 并且R11是聚合物残基。当双前体药物的聚合部分被切割并且其后在体内快速产生母体分子时,由于三烷基锁定型内酯化反应的结果产生第一种前体药物。
摘要:
The present invention is directed compositions of the formula: ##STR1## wherein: D is a residue of biologically active moiety;X is an electron withdrawing group;Y and Y' are independently O or S;(n) is zero (0) or a positive integer, preferably from 1 to about 12;wherein: R.sub.1 and R.sub.2 are independently selected from the group consisting of H, C.sub.1-6 alkyls, aryls, substituted aryls, aralkyls, heteroalkyls, substituted heteroalkyls and substituted C.sub.1-6 alkyls;wherein: R.sub.3 is a substantially non-antigenic polymer, C.sub.1-12 straight or branched alkyl or substituted allyl, C.sub.5-8 cycloalkyl or substituted cycloalkyl, carboxyalkyl, carboalkoxy alkyl, dialkylaminoalkyl, phenylalkyl, phenylaryl or ##STR2## wherein: R.sub.4 and R.sub.5 are independently selected from the group consisting of H, C.sub.1-6 alkyls, aryls, substituted aryls, aralkyls, heteroalkyls, substituted heteroalkyls, and substituted C.sub.1-6 alkyls or jointly form a cyclic C.sub.5 -C.sub.7 ring. In preferred embodiments, the prodrugs contain a polyethylene glycol having a molecular weight of at least about 20,000.
摘要:
Activated polymeric bicine derivatives such as as well as conjugates made therewith are disclosed. Methods of making and using the bicine derivatives are also disclosed.
摘要:
Substantially non-antigenic polymers containing pI and/or pH optimum modulating moieties are disclosed. The polymers are useful as intermediates for synthesis of amine-based polymers and in the formation of activated polymers for conjugation with nucleophiles. Conjugates and methods of preparation and treatment with the conjugates are also disclosed.