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    • 57. 发明申请
    • AMPHIPHILIC COMPOUNDS
    • 大分子化合物
    • US20130266656A1
    • 2013-10-10
    • US13826466
    • 2013-03-14
    • WISCONSIN ALUMNI RESEARCH FOUNDATION
    • Samuel Helmer GellmanPil Seok ChaeBrian KobilkaSoren Rasmussen
    • C07J17/00A61K9/107C07J41/00
    • C07J17/005A61K9/1075C07J41/0061C07J71/0005
    • Bringing membrane proteins into aqueous solution generally requires the use of detergents or other amphiphilic agents. The invention provides a new class of amphiphiles, each of which includes a multi-fused ring system as a lipophilic group. These new amphiphiles confer enhanced stability to a range of membrane proteins in solution relative to conventional detergents, leading to improved structural and functional stability of membrane proteins, including integral membrane proteins. Accordingly, the invention provides new amphiphiles for biochemical manipulations and characterization of membrane proteins. These amphiphiles display favorable behavior with membrane proteins and can be used to aid the solubilization, isolation, purification, stabilization, crystallization, and/or structural determination of membrane proteins.
    • 将膜蛋白引入水溶液中通常需要使用洗涤剂或其他两亲剂。 本发明提供了一类新的两亲物,其中每一种都包括作为亲脂基团的多稠环体系。 这些新的两亲物相对于常规洗涤剂使溶液中的一系列膜蛋白质的稳定性提高,导致膜蛋白(包括整合的膜蛋白)的结构和功能稳定性得到改善。 因此,本发明提供用于生物化学操作和膜蛋白表征的新型两亲物。 这些两亲物显示出有利于膜蛋白的行为,并可用于帮助膜蛋白的溶解,分离,纯化,稳定,结晶和/或结构测定。
    • 58. 发明授权
    • Method of synthesizing alkylated bile acid derivatives
    • 合成烷基化胆汁酸衍生物的方法
    • US08338628B2
    • 2012-12-25
    • US12125499
    • 2008-05-22
    • Donna D. YuBarry M. Forman
    • Donna D. YuBarry M. Forman
    • C07J17/00C07J9/00
    • C07J17/00
    • A novel, improved method of synthesizing alkylated bile acid derivatives is provided. Such derivatives include, but are not limited to the active, potent, and selective FXR receptor agonist such as 6-ECDCA and other CA, DCA and CDCA derivatives. The first step of the synthesis selectively oxidates CDCA, CD, or DCA related starting material. An efficient combined deprotonation, trapping, ethylation, deprotection and reduction system is used to produce the desired alkylated bile acid derivatives. This practical synthesis offers a simple and economical pathway suitable for a large-scale manufacturing of alkylated bile acid derivatives including, but not limited to, 6-ECDCA.
    • 提供了一种合成烷基化胆汁酸衍生物的改进方法。 这样的衍生物包括但不限于活性的,有效的和选择性的FXR受体激动剂如6-ECDCA和其它CA,DCA和CDCA衍生物。 合成的第一步选择性地氧化相关起始原料的CDCA,CD或DCA。 使用有效的组合去质子化,捕获,乙基化,去保护和还原系统来产生所需的烷基化胆汁酸衍生物。 该实用合成提供了适用于大规模生产烷基化胆汁酸衍生物的简单且经济的途径,包括但不限于6-ECDCA。