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    • 3. 发明授权
    • Pyridyl substituted ergoline derivatives
    • 吡啶基取代麦角灵衍生物
    • US4089862A
    • 1978-05-16
    • US756725
    • 1977-01-04
    • Luigi BernardiCarlo ElliGiovanni FalconiRosella Ferrari
    • Luigi BernardiCarlo ElliGiovanni FalconiRosella Ferrari
    • A61K31/48A61P7/02C07D457/02
    • C07D457/02Y10S514/822
    • A process is disclosed for the preparation of a compound of the formula I ##STR1## where R is hydrogen or methyl, X is sulphur or the NH group, Y is selected from the class consisting of methyl, methoxy, chlorine, bromine, iodine, nitro or cyano, m is 0, 1 or 2, and n is 1 or 2, characterized in that a compound of the formula II: ##STR2## where R and n have the above-mentioned meanings, is reacted in a suitable polar aprotic solvent, such as dimethylforamide or dimethylsulphoxide, under a nitrogen atmosphere and at a temperature between 50.degree. and 100.degree. C, with the sodium salt of an appropriate 2-aminopyridine or 2-mercaptopyridine to give, after evaporation of the solvent in vacuo, the desired compound of formula I which is then purified by methods known "per se".The invention also includes the compounds of general formula I, where R, X, Y, m and n have the same meanings, and their pharmaceutically acceptable salts. These compounds have good alpha-adrenoyltic activity, and especially a very high and unexpected platelets aggregating inhibiting activity compared to e.g. nicergoline.
    • 公开了制备式I的化合物的方法,其中R是氢或甲基,X是硫或NH基,Y选自甲基,甲氧基,氯,溴,碘 硝基或氰基,m为0,1或2,n为1或2,其特征在于其中R和n具有上述含义的式II化合物以适合的方式反应 极性非质子溶剂如二甲基甲酰胺或二甲基亚砜,在氮气氛下,在50至100℃的温度下,加入适当的2-氨基吡啶或2-巯基吡啶的钠盐,在真空下蒸发溶剂后得到 ,所需的式I化合物,然后通过本身已知的方法纯化。