DÉRIVÉ DE LA MYRICÉTINE, SON PROCÉDÉ DE PRÉPARATION ET SON APPLICATION POUR LE TRAITEMENT DE LA COLITE, LA PRÉVENTION ET LE TRAITEMENT DE LA TUMORIGENÈSE DE LA COLITE ET LE TRAITEMENT DU CANCER COLORECTAL

摘要

The present invention provides a myricetin derivative, a preparation method thereof, a pharmaceutical composition containing the same, an application thereof for treating colitis, preventing and treating colitis-associated tumorigenesis and treating colorectal cancer, and an application thereof in preparing a composition for modulating activities of endoplasmic reticulum stress signaling molecules. The myricetin derivative disclosed herein has excellent water solubility, and has biological activities including inhibition of colitis, prevention and treatment of colitis-associated tumorigenesis, and treatment of colorectal cancer. The preparation method disclosed herein uses myricetrin as starting material which is economical and easily available. With the merits of low cost, high yield, high product purity and suitability for large-scale industrial production, the preparation method disclosed herein represents significant market value and economic prospects.