公开(公告)号：US20200231560A1

公开(公告)日：2020-07-23

申请号：US16634915

申请日：2018-08-24

Applicant: NBC MESHTEC INC.

Inventor： Erika TAKAHASHI ,  Yoshie FUJIMORI ,  Youhei JIKIHARA ,  Tsuruo NAKAYAMA

IPC: C07D311/64 ,  B01J23/44 ,  B01J23/46 ,  B01J23/50 ,  B01J23/42 ,  B01J23/52 ,  B01J23/745 ,  B01J21/18 ,  B01J21/04 ,  B01J23/72 ,  B01J23/30 ,  B01J21/06 ,  B01J35/00

Abstract: [PROBLEM] To provide a novel method for synthesising a polyphenol.[SOLUTION] A polyphenol production method including the reaction of catechin in the presence of a catalyst and an oxidising agent, said catalyst comprising a metal oxide and/or a composite that comprises: a substrate which has an inorganic material on the surface thereof; and metal nanoparticles of a particle diameter of 0.5-100 nm attached to the surface of the inorganic material.