申请人:Reinhard Emily
公开号:US20050014747A1
公开(公告)日:2005-01-20
Provided are compounds of the formula (and pharmaceutically acceptable salts thereof):
wherein: R is hydrogen, methyl, hydroxymethyl or α-hydroxyethyl;
R
1
and R
2
are independently selected from hydrogen, C
1
-C
6
alkyl, C
1
-C
6
hydroxyalkyl, C
3
-C
8
cycloalkyl, C
1
-C
6
alkenyl, C
1
-C
6
alkynyl, amino, monoalkylamino, dialkylaminoalkyl, and pyrrolidin-1-ylalkyl; and Y is selected from the group consisting of C
1
-C
6
alkyl, substituted and unsubstituted aryl; with the provisos that: (a) if Y is aryl, then at least one of R
1
and R
2
is other than hydrogen, and (b) if R
2
is hydrogen R
1
is other than methyl. Also provided are pharmaceutical compositions containing the compounds, and methods for the preparation of the compounds. The compounds are useful, among other things, as prodrugs which can be converted under acidic conditions to thiazolium agents. The compounds can be administered to mammals, including humans, for treatment of various indications.
提供的是式化合物(及其药学上可接受的盐):
其中R 是氢、甲基、羟甲基或 α-羟乙基;
R
1
和 R
2
独立选自氢、C
1
-C
6
烷基、C
1
-C
6
羟烷基、C
3
-C
8
环烷基、C
1
-C
6
烯基、C
1
-C
6
炔基、氨基、单烷基氨基、二烷基氨基烷基和吡咯烷-1-基烷基;Y 选自 C
1
-C
6
烷基、取代和未取代芳基组成的组;但有以下条件(a) 如果 Y 是芳基,则 R
1
和 R
2
中至少有一个不是氢,以及 (b) 如果 R
2
是氢
1
不是甲基。此外,还提供了含有这些化合物的药物组合物以及制备这些化合物的方法。这些化合物可作为原药,在酸性条件下转化为噻唑鎓制剂。这些化合物可用于哺乳动物(包括人类)的各种适应症的治疗。