申请人:Burk M, Robert
公开号:US20050113338A1
公开(公告)日:2005-05-26
The invention relates to the use of derivatives of E-type prostaglandins as EP
2
agonists, in general, and, in particular as ocular hypotensives. The PGE derivatives used in accordance with the invention are represented by the following formula I:
wherein the hatched segment represents an α bonds, the solid triangle represents a β bond, the wavy segments represent α or β bond, dashed lines represent a double bond or a single bond, X is selected from the group consisting of hydrogen and halogen radicals, R
3
is heteroaryl or a substituted heteroaryl radical, R
1
and R
2
are independently selected from the group consisting of hydrogen or a lower alkyl radical having up to six carbon atoms, or a lower acyl radical having up to six carbon atoms, R is selected from the group consisting of CO
2
R
4
, CONR
4
2
, CH
2
OR
4
, CONR
4
SO
2
R
4
, P(O)(OR
4
) and
wherein R
4
is selected from the group consisting of H, phenyl and lower alkyl having from one to six carbon atoms and n is 0 or an integer of from 1 to 4.
本发明涉及将E型前列腺素衍生物作为EP2激动剂的使用,一般而言,特别是作为眼压降低剂。根据本发明使用的PGE衍生物由以下公式I表示:其中虚线段表示α键,实三角形表示β键,波浪线段表示α或β键,虚线表示双键或单键,X选自氢和卤基团组成的群,R3为杂环芳基或取代的杂环芳基基团,R1和R2独立选自氢或具有最多六个碳原子的较低烷基基团,或具有最多六个碳原子的较低酰基基团,R选自CO2R4、CONR42、CH2OR4、CONR4SO2R4、P(O)(OR4)和其中R4选自H、苯基和具有从1到6个碳原子的较低烷基,n为0或1至4的整数。