Synthesis of 4-Aryl Isoquinolinedione Derivatives by a Palladium-Catalyzed Coupling Reaction of Aryl Halides with Isoquinoline-1,3(2<i>H</i>,4<i>H</i>)-diones
The palladium-catalyzed cross-coupling reaction of arylhalides with isoquinoline-1,3(2H,4H)-diones for the synthesis of 4-aryl isoquinoline-1,3(2H,4H)-diones was developed. The reaction conditions exhibit remarkable compatibility with various arylhalides and isoquinoline-1,3(2H,4H)-diones, and the product could be conveniently transformed to 4-aryl tetrahydroisoquinolines. (±) Dichlorofensine was
Novel compounds of formulae (I) to (VIII), which more particularly include sulfonylurea derivatives, sulfonylthiourea derivatives, sulfonylguanidine derivatives, sulfonylcyanoguanidine derivatives, thioacylsulfonamide derivatives, and acylsulfonamide derivatives which are effective platelet ADP receptor inhibitors. These derivatives may be used in various pharmaceutical compositions, and are particularly effective for the prevention and/or treatment of cardiovascular diseases, particularly those diseases related to thrombosis. The invention also relates to a method for preventing or treating thrombosis in a mammal comprising the step of administering a therapeutically effective amount of a compound of formulae (I) to (VIII), or a pharmaceutically acceptable salt thereof.
An impurity A, an impurity B and an impurity G and preparation methods therefor, and an application as a reference standard for quality control of a compound as represented by formula VI.
一种杂质 A、杂质 B 和杂质 G 及其制备方法,以及作为式 VI 所示化合物质量控制参考标准的应用。
[EN] IMPURITIES OF AMIDE DERIVATIVES AND USE THEREOF<br/>[FR] IMPURETÉS DE DÉRIVÉS D'AMIDE ET LEUR UTILISATION<br/>[ZH] 类酰胺类衍生物的杂质及用途
申请人:NHWA PHARMA CORP
公开号:WO2020125580A1
公开(公告)日:2020-06-25
杂质A、杂质B和杂质G,及其制备方法以及作为式VI所示化合物质量控制的参照标准品的应用。
Tirouflet; Soufi, Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, 1959, vol. 248, p. 3568