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    • 4. 发明授权
    • Use of 2,2-dimethylchroman-3-ol derivatives in the treatment of asthma
    • 使用2,2-二甲基苯并二氢吡喃-3-醇衍生物治疗哮喘
    • US5284838A
    • 1994-02-08
    • US19314
    • 1993-02-18
    • Georges GarciaRichard RouxDino NisatoPatrick Gautier
    • Georges GarciaRichard RouxDino NisatoPatrick Gautier
    • C07D405/04C07F9/6558A61K31/44
    • C07D405/04C07F9/65586
    • The invention relates to 2,2-dimethylchroman-3-ol derivatives of the formula: ##STR1## in which: A, between N and CO, represents the group --CH.dbd.CH--E.dbd.CH-- or the group ##STR2## Z represents a halogen or a cyano, acetyl, trifluoroacetyl, nitro, alkylthio, carboxyl, phosphono, dial-koxyphosphoryl or alkoxycarbonyl group, the alkylthio and alkoxy groups containing from 1 to 3 carbon atoms;E represents a nitrogen atom or a group C(R.sub.4);R.sub.1 represents hydrogen, a methyl group or a hydroxyl group and R.sub.2 and R.sub.3 each independently represent hydrogen or a methyl group, it being possible for only one of the substituents R.sub.1, R.sub.2 and R.sub.3 to be methyl; andR.sub.4 represents a hydrogen atom, a halogen atom, a methyl group or a hydroxyl group;and to the pharmaceutically acceptable salts of the phosphono or carboxyl group.These derivatives have an antiarrhythmic, antiasthma and antihypertensive activity.
    • 本发明涉及下式的2,2-二甲基苯并二氢吡喃-3-醇衍生物:其中:A在N和CO之间代表基团-CH = CH-E = CH-或基团< Z表示卤素或氰基,乙酰基,三氟乙酰基,硝基,烷硫基,羧基,膦酰基,二烷氧基磷酰基或烷氧基羰基,含有1至3个碳原子的烷硫基和烷氧基; E表示氮原子或C(R4)基团; R1表示氢,甲基或羟基,R2和R3各自独立地表示氢或甲基,只有一个取代基R 1,R 2和R 3可以是甲基; R 4表示氢原子,卤素原子,甲基或羟基; 和膦酰基或羧基的药学上可接受的盐。 这些衍生物具有抗心律失常,抗哮喘和抗高血压作用。