申请人:——
公开号:US20030186349A1
公开(公告)日:2003-10-02
The invention provides a compound, useful as an optical probe or sensor of the activity of at least one cytochrome P450 enzyme, and methods of using the compound to screen candidate drugs, and candidate drugs identified by these methods. The optical probe of the invention is a compound having the generic structure Y-L-Q, wherein Y is selected from the group consisting of Q as herein defined, saturated C
1
-C
20
alkyl, unsaturated C
1
-C
20
alkenyl, unsaturated C
1
-C
20
alkynyl, substituted saturated C
1
-C
20
alkyl, substituted unsaturated C
1
-C
20
alkenyl, substituted unsaturated C
1
-C
20
alkynyl, C
1
-C
20
cycloalkyl, C
1
-C
20
cycloalkenyl, substituted saturated C
1
-C
20
cycloalkyl, substituted unsaturated C
1
-C
20
cycloalkenyl, aryl, substituted aryl, heteroaryl and substituted heteroaryl; L is selected from the group of (—OCR
2
H)
p
—, wherein for each p, all R
2
are separately selected from the group consisting of a hydrogen atom, saturated C
1
-C
20
alkyl, unsaturated C
1
-C
20
alkenyl, unsaturated C
1
-C
20
alkynyl, substituted saturated C
1
-C
20
alkyl, substituted unsaturated C
1
-C
20
alkenyl, substituted unsaturated C
1
-C
20
alkynyl, C
1
-C
20
cycloalkyl, C
1
-C
20
cycloalkenyl, substituted saturated C
1
-C
20
cycloalkyl, substituted unsaturated C
1
-C
20
cycloalkenyl, aryl, substituted aryl, heteroaryl, substituted heteroaryl, and p is a positive integer no greater than twelve; and Q is a chemical moiety that gives rise to optical properties in its hydroxy or hyrdoxylate, phenol or phenoxide form that are different from the optical properties that arise from its ether form. Most preferably, p is one, R
2
is hydrogen, and Q is the ether form of a phenoxide fluorophore.
本发明提供一种化合物,可用作至少一种细胞色素P450酶活性的光学探针或传感器,以及使用该化合物筛选候选药物的方法和由这些方法识别的候选药物。本发明的光学探针是一种具有通用结构Y-L-Q的化合物,其中Y选自以下组的Q(如本文所定义)、饱和的C1-C20烷基、不饱和的C1-C20烯基、不饱和的C1-C20炔基、取代的饱和的C1-C20烷基、取代的不饱和的C1-C20烯基、取代的不饱和的C1-C20炔基、C1-C20环烷基、C1-C20环烯基、取代的饱和的C1-C20环烷基、取代的不饱和的C1-C20环烯基、芳基、取代的芳基、杂环芳基和取代的杂环芳基;L选自(-OCR2H)p-的组,其中对于每个p,所有R2分别选自以下组:氢原子、饱和的C1-C20烷基、不饱和的C1-C20烯基、不饱和的C1-C20炔基、取代的饱和的C1-C20烷基、取代的不饱和的C1-C20烯基、取代的不饱和的C1-C20炔基、C1-C20环烷基、C1-C20环烯基、取代的饱和的C1-C20环烷基、取代的不饱和的C1-C20环烯基、芳基、取代的芳基、杂环芳基、取代的杂环芳基,p是不大于12的正整数;Q是一种化学基团,在其羟基或羟基酸盐、酚或酚酸盐形式中产生的光学性质与其醚形式产生的光学性质不同。最好是,p为1,R2为氢,Q是酚酸盐荧光团的醚形式。