申请人:Schering Aktiengesellschaft
公开号:US04532236A1
公开(公告)日:1985-07-30
Prostacyclin derivatives of general Formula I ##STR1## wherein R.sub.1 is the residue OR.sub.3 wherein R.sub.3 means hydrogen or alkyl of 1-10 carbon atoms substituted, if desired, by halogen, aryl, C.sub.1 -C.sub.4 -alkoxy, or C.sub.1 -C.sub.4 -dialkylamino; cycloalkyl, aryl, or a heterocyclic residue; or is the residue NHR.sub.4 wherein R.sub.4 means hydrogen, an alkanoyl residue, or an alkanesulfonyl residue of respectively 1-10 carbon atoms, A is a --CH.sub.2 --CH.sub.2 -- or trans--CH.dbd.CH--group, W is a ##STR2## wherein the OH-group can be respectively esterified with a benzoyl or alkanoic acid residue of 1-4 carbon atoms, or can be etherified with a tetrahydropyranyl, tetrahydrofuranyl, C.sub.1 -C.sub.4 -alkoxyalkyl, or tri(C.sub.1 -C.sub.4 -alkyl)-silyl residue, wherein the free or esterified OH-group can be in the .alpha.- or .beta.-position, D and E jointly mean a direct bond or D is a straight-chain or branched alkylene group of 1-5 carbon atoms, E is an oxygen atom or a direct bond, R.sub.2 is a straight-chain or branched-chain alkyl group of 1-6 carbon atoms, a straight-chain or branched-chain alkenyl group of 2-6 carbon atoms which can be substituted by phenyl, halogen, or C.sub.1 -C.sub.4 -alkyl and, if D and E jointly represent a direct bond, is an alkynyl residue of 2-6 carbon atoms optionally substituted in the 1-position by halogen or C.sub.1 -C.sub.4 -alkyl, R.sub.5 is a hydroxy group which can be esterified with an alkanoic acid residue of 1-4 carbon atoms or which can be etherified with a tetrahydropyranyl, tetrahydrofuranyl, alkoxyalkyl, or trialkylsilyl residue and, if R.sub.3 is hydrogen, the salts thereof with physiologically compatible bases, and a process for the preparation thereof. The compounds exhibit blood-pressure-lowering and thrombocyte-aggregation-inhibiting activity.
一般式I的前列环素衍生物,其中R₁是残基OR₃,其中R₃表示氢或1-10个碳原子的烷基,如有需要,可以被卤素、芳基、C₁-C₄-烷氧基或C₁-C₄-二烷基氨基取代;环烷基、芳基或杂环残基;或是残基NHR₄,其中R₄表示氢、烷酰基残基或1-10个碳原子的烷磺酰基残基,A是--CH₂--CH₂--或trans--CH=CH--基团,W是,其中OH基团可以分别酯化为1-4个碳原子的苯甲酰基或烷酸残基,或者可以与四氢吡喃基、四氢呋喃基、C₁-C₄-烷氧基烷基或三(C₁-C₄-烷基)硅基残基醚化,其中游离或酯化的OH基团可以在α-或β-位置,D和E共同表示直链或支链的键合或D是1-5个碳原子的直链或支链烷基,E是氧原子或直链键合,R₂是1-6个碳原子的直链或支链烷基,2-6个碳原子的直链或支链烯基可以被苯基、卤素或C₁-C₄-烷基取代,如果D和E共同表示直链键合,则是2-6个碳原子的炔基残基,可选地在1-位置被卤素或C₁-C₄-烷基取代,R₅是一个羟基,可以与1-4个碳原子的烷酸残基酯化,或者可以与四氢吡喃基、四氢呋喃基、烷氧基烷基或三烷基硅基残基醚化,如果R₃是氢,则与生理兼容碱盐形成盐,并制备的方法。这些化合物具有降低血压和抑制血小板聚集活性。