Compound for treating or preventing hepatitis B virus infection and preparation method and application thereof

• Main Authors: LI DINGFANG, GUO YINGCHEN, LI JING
• Format: Patent
• Language: Chinese; English
• Published: 14.09.2018
• Subjects: CHEMISTRY; HETEROCYCLIC COMPOUNDS; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE; METALLURGY; ORGANIC CHEMISTRY; SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS

The invention discloses a compound taking quinolizine ketone as a mother nucleus and for treating or preventing hepatitis B virus infection. The compound comprises optical isomer, raceme, cis-trans-isomer and any combination thereof or medicinal salt thereof. The invention further discloses a preparation method and application of the compound. The compound can remarkably lower in-vivo HBsAg leveland inhibit duplication of HBV, has good medicinal attribute and is low in toxicity, and pharmacokinetic and pharmacodynamic functions are improved; efficiency of combining with the HBV can be improved greatly, and clearance rate of in-vivo HBV can be further increased. 本发明公开了类以喹嗪酮为母核的用于治疗或预防乙型肝炎病毒感染的化合物，包括光学异构体、外消旋体、顺反异构体以及任意组合或其药用盐。本发明还公开了该类化合物的制备方法及其应用，这类化合物能够显著降低体内HBsAg水平，同时抑制HBV病毒的复制，不仅具有良好的药用属性，同时毒性也较低，药动学及药效学功能得到改善，与HBV病毒结合的效率可大大增加，体内HBV病毒的清除率也可进步提高。