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    • 3. 发明授权
    • TRPA1 antagonists
    • TRPA1拮抗剂
    • US08829196B2
    • 2014-09-09
    • US13499844
    • 2010-09-28
    • Mark T. BilodeauMelissa EgbertsonAhren GreenJohn C. HartnettYiwei Li
    • Mark T. BilodeauMelissa EgbertsonAhren GreenJohn C. HartnettYiwei Li
    • C07D215/38C07C215/20C07C211/34C07C25/02A61K31/133
    • C07C215/20A61K31/133C07C25/02C07C211/34C07C215/44C07C255/58C07C2602/10C07D215/38C07D215/44C07D311/74C07D311/76C07D405/04C07D405/06
    • The present invention relates to compositions and methods that modulate at least one TRP family member. Specifically, the present invention relates to novel TRPA1 antagonists and their use in the treatment of pain such as chronic inflammatory and neuropathic pain. Compounds that can modulate one or more TRPA1 functions are useful in many aspects including, but not limited to, maintaining calcium homeostasis; maintaining sodium homeostasis; modulating intracellular calcium levels; modulating membrane polarization (membrane potential); modulating cation levels; and/or treating or preventing diseases, disorders, or conditions associated with calcium homeostasis, sodium homeostasis, calcium or sodium dyshomeostasis, or membrane polarization/hyperpolarization (including hypo and hyperexcitability), and/or treating or preventing diseases, disorders, or conditions associated with regulation or misregulation of TRPA1 expression or function. The present invention further relates to methods and compositions that antagonize both a function of TRPA1 and a function of one or more additional TRP channels.
    • 本发明涉及调节至少一种TRP家族成员的组合物和方法。 具体地说,本发明涉及新型TRPA1拮抗剂及其用于治疗慢性炎性和神经性疼痛等疼痛的用途。 可以调节一种或多种TRPA1功能的化合物在许多方面是有用的,包括但不限于维持钙稳态; 维持钠稳态; 调节细胞内钙含量; 调节膜极化(膜电位); 调节阳离子水平; 和/或治疗或预防与钙稳态相关的疾病,病症或病症,钠稳态,钙或钠血管平衡,或膜极化/超极化(包括低钠和过度兴奋性)和/或治疗或预防与疾病,病症或病症相关 与TRPA1表达或功能调节或失调。 本发明还涉及拮抗TRPA1的功能和一种或多种另外的TRP通道的功能的方法和组合物。
    • 5. 发明申请
    • Method of Preparing (S)-2-amino-5-Methoxytetralin Hydrochloride
    • (S)-2-氨基-5-甲氧基四氢萘盐酸盐的制备方法
    • US20140046095A1
    • 2014-02-13
    • US13570210
    • 2012-08-08
    • Qingyun HUANGQingguo HUANGMeixian LOU
    • Qingyun HUANGQingguo HUANGMeixian LOU
    • C07C213/02C07C217/74C07C249/02C07C251/20
    • C07C213/02C07B2200/07C07C213/08C07C217/74C07C249/02C07C251/20C07C2602/10C07C215/20
    • A method of preparing (S)-2-amino-5-methoxytetralin hydrochloride[(S)-2-amino-5-methoxyl-1,2,3,4-tetrahydronaphthalene hydrochloride], comprising the steps of: (1) producing a compound (I) by addition-elimination reaction of 5-methoxy-2-tetralone and R-(+)-a-phenylethylamine; (2) producing a compound (II) by reduction reaction of the compound (I) with a reducing agent; and (3) producing a compound (II) hydrochloride by reacting the compound (II) with a salt-forming agent, then carrying out reduction reaction with a palladium-carbon catalyst to produce (S)-2-amino-5-methoxytetralin hydrochloride. The method can significantly increase the yield of (S)-2-amino-5-methoxytetralin hydrochloride with short synthetic path, low preparation cost and less pollution, which is environmentally friendly and is suitable for medical industrialized production. The structural formulae of the compound (I) and the compound (II) are: resepectively.
    • 制备(S)-2-氨基-5-甲氧基-1,2,3,4-四氢萘盐酸盐[(S)-2-氨基-5-甲氧基-1,2,3,4-四氢萘盐酸盐]的方法,包括以下步骤:(1) 通过5-甲氧基-2-四氢萘酮和R - (+) - α-苯基乙胺的加成消除反应的化合物(I) (2)通过化合物(I)与还原剂的还原反应制备化合物(II); 和(3)通过使化合物(II)与成盐剂反应制备盐酸化合物(II),然后与钯 - 碳催化剂进行还原反应,生成(S)-2-氨基-5-甲氧基环丁烷盐酸盐 。 该方法可以显着提高盐酸(S)-2-氨基-5-甲氧基四氢萘酯的合成路径短,制备成本低,污染少,环保,适用于医疗工业化生产。 化合物(I)和化合物(II)的结构式是:重新进行。