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    • 80. 发明申请
    • RING MODIFIED CYCLIC PEPTIDE ANALOGS
    • 环改性循环肽模拟
    • WO00011023A2
    • 2000-03-02
    • PCT/US1999/018908
    • 1999-08-18
    • A61K9/08A61K9/72A61K38/00A61P31/10A61P33/00C07K1/06C07K7/50C07K7/54C07K7/56C07K7/64A61K38/12
    • C07K7/50A61K38/00C07K7/56Y02A50/409
    • A method for modifying the cyclic peptide ring system of Echinocandin-type compounds to produce new analogs having antifungal activity is provided. The inventive process comprises opening the cyclic peptide ring, cleaving the terminal ornithine unit, inserting at least one new amino acid or other synthetic unit and closing the ring to produce a new cyclic peptide ring structure. The process allows one to incorporate features such as water-solubility into the cyclic peptide ring nucleus, sites for further modification, increase or decrease the number of amino acid or peptide units within the ring nucleus, and increase or decrease the total number of members within the ring. The invention further provides novel Echinocandin type compounds and their use as antifungal or anti-parasitic agents.
    • 提供了一种用于改变棘球in素型化合物的环肽环体系以产生具有抗真菌活性的新类似物的方法。 本发明的方法包括打开环肽环,切割末端鸟氨酸单元,插入至少一个新的氨基酸或其它合成单元并封闭环以产生新的环肽环结构。 该方法允许将诸如水溶性的特征结合到环肽环核中,用于进一步修饰的位点,增加或减少环核内的氨基酸或肽单元的数目,并且增加或减少环核内的成员总数 戒指。 本发明还提供新颖的棘白菌素类化合物及其作为抗真菌剂或抗寄生虫剂的用途。