申请人:——
公开号:US20040102454A1
公开(公告)日:2004-05-27
Methods of using a compound, its pharmaceutically acceptable salts, and/or its pro-drug esters, in isolated form, to treat cancer, and methods for isolating, for formulating, and for administering the compound, salt, and/or pro-drug ester as an antitumor agent, wherein the compound, salt, or pro-drug ester has the following structure:
1
wherein:
R
1
, R
2
, R
5
, R
7
, and R
8
are each separately selected from the group consisting of a hydrogen atom, a halogen atom, and saturated C
1
-C
24
alkyl, unsaturated C
1
-C
24
alkenyl, cycloalkyl, cycloalkenyl, alkoxy, cycloalkoxy, aryl, substituted aryl, heteroaryl, substituted heteroaryl, amino, substituted amino, nitro, substituted nitro, phenyl, and substituted phenyl groups,
R
3
, R
4
, and R
6
are each separately selected from the group consisting of a hydrogen atom, a halogen atom, and saturated C
1
-C
12
alkyl, unsaturated C
1
-C
12
alkenyl, cycloalkyl, alkoxy, cycloalkoxy, aryl, substituted aryl, heteroaryl, substituted heteroaryl, amino, substituted amino, nitro, and substituted nitro groups,
X
1
and X
2
are separately selected from the group consisting of an oxygen atom, and a sulfur atom, and
the dashed bond represents a bond selected from the group consisting of a carbon-carbon single bond and a carbon-carbon double bond. Most preferably, R
3
and R
4
are hydrogen, and each are involved in hydrogen bonds, and/or the dashed bond is a double bond, such that the chemical backbone of the compound substantially retains a substantially planar conformation.
使用一种化合物及其药学上可接受的盐和/或前药酯的孤立形式来治疗癌症的方法,以及用于分离、制剂和给药该化合物、盐和/或前药酯作为抗肿瘤剂的方法,其中该化合物、盐或前药酯具有以下结构:1其中:R1、R2、R5、R7和R8各自单独选择自氢原子、卤原子、饱和C1-C24烷基、不饱和C1-C24烯基、环烷基、环烯基、烷氧基、环烷氧基、芳基、取代芳基、杂环芳基、取代杂环芳基、氨基、取代氨基、硝基、取代硝基、苯基和取代苯基的组,R3、R4和R6各自单独选择自氢原子、卤原子和饱和C1-C12烷基、不饱和C1-C12烯基、环烷基、烷氧基、环烷氧基、芳基、取代芳基、杂环芳基、取代杂环芳基、氨基、取代氨基、硝基和取代硝基的组,X1和X2分别选择自氧原子和硫原子,虚线表示选择自碳-碳单键和碳-碳双键的键。 最好的选择是,R3和R4为氢,且分别参与氢键作用,或虚线为双键,使化合物的化学骨架基本保持平面构象。