Derivatives of isosorbide mononitrate and its use as vasodilating agents with reduced tolerance
申请人:LACER, S.A.
公开号:US20030225134A1
公开(公告)日:2003-12-04
Novel derivatives of isosorbide mononitrate and its pharmaceutically acceptable salts, which have vasodilating activity with a reduced effect of tolerance, of the general formula (I)
1
in which A and B individually represent any of the groups
—ONO
2
and -Z-CO—R, wherein Z is an oxygen atom or sulphur atom and R is an alkyl C
1
-C
4
group, an aryl group or an aralkyl group, eventually substituted, or the group
2
in which R
1
is hydrogen, or an alkyl C
1
-C
4
group, an aryl group or an aralkyl group, eventually substituted, with the proviso that one of A or B is always —ONO
2
, but never both of them at the same time, when Z is an sulphur atom R is an alkyl C
1
-C
4
group, an aryl group or an aralkyl group, eventually substituted, and when Z is an oxygen atom R is the group
3
新型异山梨酯单硝酸酯及其药学上可接受的盐衍生物,具有扩血管活性并减少耐受性影响,其一般式为(I)1,其中A和B分别代表以下任意一组:—ONO2和-Z-CO—R,其中Z为氧原子或硫原子,R为烷基C1-C4基团,芳基基团或芳基烷基基团,可能带有取代基;或者为以下第二组:其中R1为氢,或烷基C1-C4基团,芳基基团或芳基烷基基团,可能带有取代基,但A或B中必须始终有一个为—ONO2,但氧原子为Z时R为第三组。