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    • 109. 发明授权
    • Medicaments comprising sialic acid derivatives as active ingredients
    • 包含唾液酸衍生物作为活性成分的药物
    • US06664235B1
    • 2003-12-16
    • US09640776
    • 2000-08-18
    • Osamu KanieChi-Huey WongYasuo Suzuki
    • Osamu KanieChi-Huey WongYasuo Suzuki
    • A61K317028
    • A61K31/7012
    • A medicament for treatment of a viral infection which comprises as an active ingredient a compound represented by the following formula (I) or its Pharmaceutically acceptable salt, or a hydrate thereof or a solvate thereof. wherein R1 represents hydrogen atom or a C1-6 alkyl group; R2 represents an optionally substituted phenyl group, a C1-20 alkyl group, a C1-20 alkenyl group, or—(CH2)k—[NH—(CH2)m—NH]n—Y or —(CH2)k—[NH—(CH2CH2O)m-1—CH2CH2NH]n—Y in which Y represents phosphatidylethanolamine residue or polyglutamic acid residue, k and m independently represent an integer of from 2 to 10, n represents 0 or 1, provided that when n represents 1, Y represents phosphatidylethyl group; R3 represents hydrogen atom or an optionally substituted hydroxyl group; R4 represents hydrogen atom, a halogen atom, azide group, an optionally substituted amino group, or an optionally substituted hydroxyl group; and R5, R6, R7 and R8 independently represent an optionally substituted hydroxyl group.
    • 一种用于治疗病毒感染的药物,其包含作为活性成分的由下式(I)表示的化合物或其药学上可接受的盐或其水合物或其溶剂合物。其中R 1表示氢原子或C1 -6烷基; R 2表示任选取代的苯基,C 1-20烷基,C 1-20链烯基或 - (CH 2)k - [NH-(CH 2)m -NH] n Y或 - (CH 2) [NH-(CH2CH2O)m-1-CH2CH2NH] nY其中Y表示磷脂酰乙醇胺残基或聚谷氨酸残基,k和m独立地表示2至10的整数,n表示0或1,条件是当n表示1时, Y表示磷脂酰乙基; R 3表示氢原子或任选取代的羟基; R 4表示氢原子,卤素原子,叠氮基,任选取代的氨基或任选取代的羟基; R 5,R 6,R 7和R 8独立地表示任选取代的羟基。