Chemical Synthesis of Tea Polyphenols and Related Compounds

Tea polyphenol “catechin”, which is a major constituent of green tea extract, has received special attention for its important bioactivities. In this article, we review the recent various syntheses of catechins by classifying the mode of of flavan ring-construction. Additionally, we also take notice of the application of the modified catechins that were created to uncover the mechanism of bioactivities and discover new activities.