Structural Modification of Epigallocatechin-3-gallate to (2R,3R)-5,7-dimethoxy-2-(3,4,5-trimethoxyphenyl)chroman-3-yl l-valinate in Four Steps

Structural Modification of Epigallocatechin-3-gallate to (2R,3R)-5,7-dimethoxy-2-(3,4,5-trimethoxyphenyl)chroman-3-yl l-valinate in Four Steps

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Tea is a daily drink for most people, and one of its major ingredients, epigallocatechin-3-gallate (EGCG), has been widely turbosound ts-18sw700/8a recognized as a potent antioxidant with diverse biological activities.However, its low stability and bioavailability hinder its further clinical applications.In this study, we designed and synthesized a novel EGCG-valine derivative 4 by replacing the gallic acid with a valine moiety in four steps.

The structural elucidation of derivative 4 was performed using NMR, IR, mass, and UV spectroscopies.Additionally, the custom congratulations banner physicochemical properties of 4 were predicted by SwissADME, showing improved drug-like parameters and intestinal absorption compared to the parent compound EGCG.