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    • 1. 发明授权
    • Alkanophenones useful for treating allergies
    • 用于治疗过敏的苯胺酮
    • US5149717A
    • 1992-09-22
    • US795227
    • 1991-11-15
    • Andreas von SprecherAndreas BeckBruno SchaubRobert W. Lang
    • Andreas von SprecherAndreas BeckBruno SchaubRobert W. Lang
    • C07D311/24C07D405/04
    • C07D405/04C07D311/24
    • Substituted alkanophenones of general formula ##STR1## in which R.sub.1 is unsubstituted or fluorinated lower alkyl, R.sub.2 is hydrogen, or unsubstituted or fluorinated lower alkyl or lower alkenyl, X is lower alkylene, oxy, thio or a direct bond, alk is lower alkylene, n is 1 or 2, R.sub.3 is phenyl that is unsubstituted or is substituted by unsubstituted or fluorinated lower alkyl, by etherified or esterified hydroxy, by unsubstituted or lower alkylated amino and/or by free, esterified or amidated carboxy, or is lower alkyl that is unsubstituted, substituted by fluoro and chloro or substituted by free esterified or amidated carboxy, R.sub.4 is free, esterified or amidated carboxy or 5-tetrazolyl, and R.sub.5 is hydrogen or lower alkyl, have leucotriene-antagonistic properties and can be used as anti-allergic active ingredients in medicaments.
    • 其中R 1为未取代或氟化的低级烷基,R 2为氢或未取代或氟化的低级烷基或低级烯基,X为低级亚烷基,氧基,硫基或直接键的通式为(Ⅰ)的取代的烷基苯醌, 低级亚烷基,n是1或2,R3是未取代的或被未取代或氟化的低级烷基取代的苯基,被醚化或酯化的羟基,被未取代或低级烷基化的氨基和/或被游离的,酯化的或酰胺化的羧基取代,或者是 未取代的低级烷基,被氟和氯取代或被游离的酯化或酰胺化的羧基取代,R4是游离的,酯化的或酰胺化的羧基或5-四唑基,R 5是氢或低级烷基,具有白三烯拮抗性质,并且可以使用 作为药物中的抗过敏活性成分。
    • 8. 发明授权
    • Benzocycloalkenecarboxylic acid and process for its preparation
    • 苯并二恶唑酸及其制备方法
    • US5177257A
    • 1993-01-05
    • US776385
    • 1991-11-20
    • Andreas von SprecherHansjurg Wetter
    • Andreas von SprecherHansjurg Wetter
    • A61K31/19A61P29/00A61P43/00C07B57/00C07C51/487C07C62/38
    • C07C62/38C07C51/487
    • The novel (S)-4-(2-bromobenzoyl)-5-hydroxy-benzocyclobutene-1-carboxylic i.e. the compound of the formula ##STR1## in free form or in salt form, can be used as active ingredient in pharmaceutical preparations and can be prepared by a novel process, which is characterized in that racemic 4-(2-bromobenzoyl)-5-hydroxy-benzocyclobutene-1-carboxylic acid is reacted at elevated temperature with at least the equimolar amount of quinine in an alcoholic solvent for from approximately 6 to approximately 48 hours, the quinine salt of the (S)-4-(2-bromobenzoyl)-5-hydroxy-benzocyclobutene-1-carboxylic acid, precipitated in crystalline form as the direct reaction product, is separated from the reaction mixture, and the (S)-4-(2-bromobenzoyl)-5-hydroxy-benzocyclobutene-1-carboxylic acid is set free from this salt by acid treatment in a customary manner, and, if desired, this free acid is converted into a salt.
    • PCT No.PCT / CH91 / 00064 Sec。 371日期1991年11月20日 102(e)1991年11月20日日期PCT 1991年3月19日PCT公布。 WO91 / 14671 PCT出版物 日期为1991年10月3日。新型(S)-4-(2-溴苯甲酰基)-5-羟基 - 苯并环丁烯-1-羧酸,即游离形式或盐形式的式(I)化合物, 可以用作药物制剂中的活性成分,并且可以通过一种新的方法制备,其特征在于外消旋的4-(2-溴苯甲酰基)-5-羟基 - 苯并环丁烯-1-羧酸在升高的温度下至少与 在酒精溶剂中等摩尔量的奎宁约6至约48小时,(S)-4-(2-溴苯甲酰基)-5-羟基 - 苯并环丁烯-1-羧酸的奎宁盐以晶体形式沉淀 作为直接反应产物,与反应混合物分离,并以常规方式通过酸处理使(S)-4-(2-溴苯甲酰基)-5-羟基 - 苯并环丁烯-1-羧酸不含该盐 ,如果需要,将该游离酸转化成盐。