Disclosed is an isoquinolinone compound as shown in Formula (I) or a stereoisomer, pharmaceutically acceptable salt, solvate or crystal thereof, and a preparation method thereof, and use thereof in the preparation of drugs for treating or preventing viral infectious diseases caused by the hepatitis B virus (HBV) and other viruses, in particular, use thereof in drugs as HBV surface antigen inhibitors and HBV DNA production inhibitors. The compound has a significant activity in inhibiting hepatitis B surface antigen and hepatitis B DNA, and is possible to significantly improve the probability of curing hepatitis B by administration in combination with nucleoside drugs or other drugs in the future, and has good clinical application prospects.
本发明公开了一种如式(I)所示的
异喹啉酮化合物或其立体异构体、药学上可接受的盐、溶液剂或晶体及其制备方法,以及其在制备治疗或预防乙型肝炎病毒(HBV)和其他病毒引起的病毒性传染病的药物中的用途,特别是其作为HBV表面抗原
抑制剂和HBV DNA生成
抑制剂在药物中的用途。该化合物在抑制乙型肝炎表面抗原和乙型肝炎DNA方面具有显著的活性,未来有可能通过与
核苷类药物或其他药物联合用药,显著提高治愈乙型肝炎的概率,具有良好的临床应用前景。