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    • 4. 发明授权
    • Water-soluble prodrugs of chloramphenicol, thiamphenicol, and analogs thereof
    • 氯霉素,甲砜霉素及其类似物的水溶性前药
    • US08044230B2
    • 2011-10-25
    • US11953972
    • 2007-12-11
    • Tomasz W. Glinka
    • Tomasz W. Glinka
    • C07C229/00C07D211/78C07D285/14C07D413/00A61K31/44A61K31/41A61K31/225
    • C07C317/32C07D233/60
    • The present invention discloses certain novel prodrugs of chloramphenicol or thiamphenicol, or of an analog of either, including prodrugs of pharmaceutically acceptable salts of chloramphenicol or thiamphenicol or of their analogs, including nitrogen-containing esters of both alcohol groups of such compounds. In certain embodiments these novel prodrugs are sufficiently water-soluble to serve the functions needed of a prodrug of chloramphenicol or thiamphenicol or of an analog of either. In one embodiment, a certain subclass of the compounds also possesses the hydrolytic stability needed to maintain the prodrug in solution in the subject's system until appropriate conditions exist when the prodrug can hydrolyze, releasing the active compound in question.
    • 本发明公开了氯霉素或甲砜霉素或其类似物的某些新型前药,包括氯霉素或硫代霉酚或其类似物的药学上可接受的盐的前药,包括这些化合物的两个醇基的含氮酯。 在某些实施方案中,这些新型前药具有足够的水溶性,以满足氯霉素或甲砜霉素或其类似物的前药所需的功能。 在一个实施方案中,化合物的某些亚类还具有将前药保持在受试者系统的溶液中所需的水解稳定性,直到前药可以水解,释放所讨论的活性化合物时才存在适当的条件。