PROBLEM TO BE SOLVED: To provide a new 4-vinyl catechol polymer compound having more powerful physiological activity than well-known epigallocatechin gallate, and to provide a synthetic method thereof.SOLUTION: This invention relates to a compound represented by formula (1). Since the new 4-vinyl catechol polymer compound is excellent in safety as well as excellent in physiological activity so as to have extremely superior lipase inhibitory activity and anti-cancer activity, it can be blended into food, pharmaceuticals or cosmetics.COPYRIGHT: (C)2012,JPO&INPIT【課題】公知のエピガロカテキンガレートより強力な生理活性を有する新規4-ビニルカテコール重合化合物及びその合成方法を提供する。【解決手段】下記式(1)で表される化合物。【選択図】なし