申请人:Ono Pharmaceutical Co., Ltd.,
公开号:US04271170A1
公开(公告)日:1981-06-02
The pyridine derivatives of the general formula: ##STR1## [wherein A represents an alkylene group containing from 1 to 5 carbon atoms unsubstituted or substituted by a hydroxy group, B represents a single bond, or an oxygen or sulphur atom, or an alkylene group containing from 1 to 5 carbon atoms, D represents a single bond, or an alkylene group containing from 1 to 5 carbon atoms, R represents a grouping of the formula: ##STR2## (in which R.sup.6 represents a hydrogen atom, or an alkyl group containing from 1 to 4 carbon atoms), Z represents a single bond, or an ethynylene group, or a grouping of the formula: ##STR3## in which R.sup.2 represents a hydrogen atom, or an alkyl group containing from 1 to 4 carbon atoms, R.sup.3 represents a hydrogen, bromine or chlorine atom, or an alkyl group containing from 1 to 4 carbom atoms; the symbol represents a single or double bond, the carbon atom attached to R.sup.2 binds to B, and the carbon atom attached to R.sup.3 binds to D, R.sup.1 represents a hydroxy group, or a grouping of the formula: --COOR.sup.4 or --COSR.sup.4, in which R.sup.4 represents a hydrogen atom, or an alkyl group containing from 1 to 12 carbon atoms, or an aralkyl group containing from 7 to 13 carbon atoms, or a cycloalkyl group containing from 4 to 7 carbon atoms unsubstituted or substituted by at least one alkyl group containing from 1 to 4 carbon atoms, or a phenyl unsubstituted or substituted by at least one halogen atom, trifluoromethyl group, alkyl or alkoxy or alkylthio group containing from 1 to 4 carbon atoms, nitro or phenyl group, R.sup.5 represents a hydrogen atom, or an alkyl group containing from 1 to 4 carbon atoms, with the proviso that, when B represents an oxygen or sulphur atom, Z represents a single bond and D represents an alkylene group containing from 1 to 5 carbon atoms], and non-toxic acid addition salts thereof and, when R.sup.1 represents a carboxy or thiocarboxy group, non-toxic salts thereof, possess a strong inhibitory activity on thromboxane synthetase from rabbit platelet microsomes, and are useful as therapeutically active agents in the prevention or treatment of inflammation, hypertension, thrombus, cerebral apoplexy, asthma, myocardial infarction, cardiostenosis, cerebral infarction and acute cardiac death.
通式为:##STR1##的吡啶衍生物[其中A代表含有1至5个碳原子的未取代或取代羟基的烷基,B代表单键,或氧或硫原子,或含有1至5个碳原子的烷基,D代表单键,或含有1至5个碳原子的烷基,R代表公式:##STR2##(其中R.sup.6代表氢原子,或含有1至4个碳原子的烷基),Z代表单键,或乙炔基,或公式:##STR3##(其中R.sup.2代表氢原子,或含有1至4个碳原子的烷基,R.sup.3代表氢、溴或氯原子,或含有1至4个碳原子的烷基;符号代表单键或双键,附在R.sup.2上的碳原子结合在B上,附在R.sup.3上的碳原子结合在D上,R.sup.1代表羟基,或公式:--COOR.sup.4或--COSR.sup.4(其中R.sup.4代表氢原子,或含有1至12个碳原子的烷基,或含有7至13个碳原子的芳基烷基,或含有4至7个碳原子未取代或取代至少一个含有1至4个碳原子的烷基的环烷基,或未取代或取代至少一个卤原子、三氟甲基基团、含有1至4个碳原子的烷基或烷氧基或烷硫基团、硝基或苯基的苯基),R.sup.5代表氢原子,或含有1至4个碳原子的烷基,但是当B代表氧或硫原子,Z代表单键,D代表含有1至5个碳原子的烷基时,则有所限制]及其非毒性酸加合物和当R.sup.1代表羧基或硫代羧基时,其非毒性盐,具有强烈的抑制兔血小板微粒体中的血栓素合成酶的活性,并可作为治疗性活性剂,在预防或治疗炎症、高血压、血栓、脑中风、哮喘、心肌梗死、心脏瓣膜狭窄、脑梗死和急性心脏死亡方面有用。