申请人:Keppler Bernhard
公开号:US20050143455A1
公开(公告)日:2005-06-30
A tumor-inhibiting platinum (II) oxalate complex and its use as a therapeutic agent are provided, in particular as a tumor-inhibiting medicament. The complex may be compounds of the general formula (I),
wherein the substituents R
1
, R
1′
, R
2
, R
2′
, R
3
, R
3′
, R
4
, and R
4′
are independently selected from the group consisting of hydrogen, unsubstituted or substituted alkyl, unsubstituted or substituted alkenyl, unsubstituted or substituted cycloalkyl, unsubstituted or substituted cycloalkenyl, unsubstituted or substituted aryl and unsubstituted or substituted alkylaryl radicals, the substituents R
5
, R
5′
, R
6
, and R
6′
are independently selected from the group consisting of hydrogen, unsubstituted or substituted alkyl, and unsubstituted or substituted alkenyl radicals, and wherein optionally in each case at least two of the substituents R
1
, R
1′
, R
2
, R
2′
, R
3
, R
3′
, R
4
, and R
4′
can form with one another at least one unsubstituted or substituted alkylene, unsubstituted or substituted alkenylene radical or an unsubstituted or substituted aromatic ring, and wherein optionally at least one of the carbon atoms of the cyclohexane ring bearing the substituents R
1
, R
1′
, R
2
, R
2′
, R
3
, R
3′
, R
4
, and R
4′
is replaced by a heteroatom, and if the heteroatom is oxygen, the substituents R
1
, R
1′
, R
2
, R
2′
, R
3
, R
3′
, R
4
, and R
4′
can additionally be hydroxy radicals, and pharmaceutically compatible salts of them, provided that at least one of the substituents R
1
, R
1′
, R
2
, R
2′
, R
3
, R
3′
, R
4
, or R
4′
is not equal to hydrogen and the substituents R
1
or R
1′
and R
4
or R
4′
do not form any unsubstituted C
1-2
-alkylene radical with one another.
提供了一种抑制肿瘤的铂(II)草酸配合物及其作为治疗剂的用途,特别是作为抑制肿瘤的药物。该配合物可以是通式(I)的化合物,其中取代基R1、R1'、R2、R2'、R3、R3'、R4和R4'独立地选自氢、未取代或取代的烷基、未取代或取代的烯基、未取代或取代的环烷基、未取代或取代的环烯基、未取代或取代的芳基和未取代或取代的烷基芳基基团的群,取代基R5、R5'、R6和R6'独立地选自氢、未取代或取代的烷基和未取代或取代的烯基基团,且在每种情况下,至少两个取代基R1、R1'、R2、R2'、R3、R3'、R4和R4'可以彼此形成至少一个未取代或取代的烷基、未取代或取代的烯基或未取代或取代的芳香环基团,且可选地,环己烷环上承载取代基R1、R1'、R2、R2'、R3、R3'、R4和R4'的碳原子中至少有一个被杂原子取代,如果杂原子是氧,则取代基R1、R1'、R2、R2'、R3、R3'、R4和R4'还可以是羟基基团,并且其药学上兼容的盐,前提是至少有一个取代基R1、R1'、R2、R2'、R3、R3'、R4或R4'不等于氢,并且取代基R1或R1'和R4或R4'不彼此形成任何未取代的C1-2烷基。