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    • 1. 发明授权
    • Anhydroecogonine compounds and their use as anticholinergic agents
    • 脱氢嘌呤类化合物及其作为抗胆碱剂的用途
    • US5821249A
    • 1998-10-13
    • US706105
    • 1996-08-30
    • Ronald W. WoodHassan A. N. El-FawalJohn F. GraefeLung C. ChenJalil Shojaie
    • Ronald W. WoodHassan A. N. El-FawalJohn F. GraefeLung C. ChenJalil Shojaie
    • C07D451/02C07D213/20A61K31/44
    • C07D451/02
    • Methylecgonidine (MEG; anhydroecgonine methylester), is produced when cocaine base ("crack") is heated. MEG alone and in combination with cocaine was tested for action on isolated tracheal rings stimulated to contact with acetylcholine. At micromolar concentrations, cocaine sensitized tracheal rings, increasing both the potency and efficacy of acetylcholine-induced contraction. Surprisingly, MEG, at nanomolar concentrations and above, non-competitively and irreversibly antagonized acetylcholine-induced contraction independently of the actions of cocaine. MEG also displayed antihistaminic activity. Therefore, MEG and anticholinergically active derivatives or analogues thereof are useful in the prevention or treatment of a disease or disorder treatable by an antimuscarinic anticholinergic agent, an anti-histaminic agent or a spasmolytic agent, in particular bronchoconstriction in a number of pulmonary diseases such as asthma.
    • 当可卡因碱(“裂纹”)被加热时,产生甲基氢醌(MEG;脱氢莽草啶甲酯)。 测试单独的和与可卡因组合的MEG对被刺激与乙酰胆碱接触的分离的气管环的作用。 在微摩尔浓度下,可卡因致敏气管环,增加了乙酰胆碱诱导的收缩的效力和功效。 令人惊讶的是,纳米摩尔浓度以上的MEG与可卡因的作用无关,不可逆地和不可逆地拮抗乙酰胆碱诱导的收缩。 MEG还显示抗组胺活性。 因此,MEG和抗胆碱能活性衍生物或其类似物可用于预防或治疗由抗毒蕈碱性抗胆碱能药,抗组胺药或解痉药治疗的疾病或病症,特别是在多种肺部疾病中的支气管收缩 哮喘。
    • 4. 发明授权
    • Anhydroecgonine compounds and their use as anticholinergic agents
    • 脱氢化合物化合物及其作为抗胆碱剂的用途
    • US5552407A
    • 1996-09-03
    • US76315
    • 1993-06-11
    • Ronald W. WoodHassan A. N. El-FawalJohn F. GraefeLung C. ChenJalil Shojaie
    • Ronald W. WoodHassan A. N. El-FawalJohn F. GraefeLung C. ChenJalil Shojaie
    • C07D451/02A61K31/44C07D213/20
    • C07D451/02
    • Methylecgonidine (MEG; anhydroecgonine methylester), is produced when cocaine base ("crack") is heated. MEG alone and in combination with cocaine was tested for action on isolated tracheal rings stimulated to contact with acetylcholine. At micromolar concentrations, cocaine sensitized tracheal rings, increasing both the potency and efficacy of acetylcholine-induced contraction. Surprisingly, MEG, at nanomolar concentrations and above, non-competitively and irreversibly antagonized acetylcholine-induced contraction independently of the actions of cocaine. MEG also displayed antihistaminic activity. Therefore, MEG and anticholinergically active derivatives or analogues thereof are useful in the prevention or treatment of a disease or disorder treatable by an antimuscarinic anticholinergic agent, an anti-histaminic agent or a spasmolytic agent, in particular bronchoconstriction in a number of pulmonary diseases such as asthma.
    • 当可卡因碱(“裂纹”)被加热时,产生甲基氢醌(MEG;脱氢莽草啶甲酯)。 测试单独的和与可卡因组合的MEG对被刺激与乙酰胆碱接触的分离的气管环的作用。 在微摩尔浓度下,可卡因致敏气管环,增加了乙酰胆碱诱导的收缩的效力和功效。 令人惊讶的是,纳米摩尔浓度以上的MEG与可卡因的作用无关,不可逆地和不可逆地拮抗乙酰胆碱诱导的收缩。 MEG还显示抗组胺活性。 因此,MEG和抗胆碱能活性衍生物或其类似物可用于预防或治疗由抗毒蕈碱性抗胆碱能药,抗组胺药或解痉药治疗的疾病或病症,特别是在多种肺部疾病中的支气管收缩 哮喘。