ISOACTEOSIDE DERIVATIVE AND PREPARATION METHOD AND USE THEREOF

摘要

An isoacteoside derivative and preparation method and use thereof; the isoacteoside derivative has a structure of formula (I): R1 and R2 are independently selected from hydrogen, halogen, hydroxyl and alkoxy oxyl; R3 and R4 are independently selected from hydroxyl, alkoxy oxyl and acyloxy; R5 is independently selected from hydroxyl or acyloxy. Drugs comprising the isoacteoside derivative have uses of treating or preventing amyloid peptide related diseases and preventing eye lesions and the like.