The present invention provides a stable synthetic saccharide of Hib polyribosylribitol-phosphate (PRP) derivative and conjugate thereof. Said saccharide, said conjugate and pharmaceutical compositions thereof are hydrolysis-resistant, long-term stable and useful for the prevention and/or treatment of diseases associated with Haemophilus influenzae, and more specifically of diseases associated with Haemophilus influenzae type b, preferably diseases selected from meningitis, pneumonia, and epiglotitis. They have general formula (I): wherein A is formula (II) or formula (III); B is formula (IV); C is formula (V); D is formula (VI); E is formula (VII); F is formula (VIII) or formula (IX).
本发明提供了一种稳定的 Hib
多核糖醇磷酸酯(PRP)衍
生物合成糖及其共轭物。所述糖苷、所述共轭物及其药物组合物抗
水解、长期稳定,可用于预防和/或治疗与流感嗜血杆菌相关的疾病,更具体地说,可用于预防和/或治疗与乙型流感嗜血杆菌相关的疾病,最好是选自脑膜炎、肺炎和附红细胞体炎的疾病。它们具有通式(I):其中 A 是式 (II) 或式 (III);B 是式 (IV);C 是式 (V);D 是式 (VI);E 是式 (VII);F 是式 (VIII) 或式 (IX)。