公开(公告)号：US20200123087A1

公开(公告)日：2020-04-23

申请号：US16720580

申请日：2019-12-19

Applicant: DSM IP Assets B.V.

Inventor： Ulla LETINOIS ,  Stephan ACKERMANN ,  Jonathan Alan MEDLOCK ,  Hajo LEHMANN

IPC: C07C41/30 ,  C07C39/08 ,  C07C39/07 ,  B01J31/24 ,  B01J31/22 ,  B01J31/18 ,  C07C43/178 ,  C07C37/50 ,  C07C37/07 ,  C07C41/36 ,  C07C46/08 ,  C07D311/72

Abstract: The present invention relates to a method of preparing ortho substituted phenols from 2,5-dimethylfuran and propargyl ethers in the presence of a gold(I) complex. It is particularly advantageous to use 2,5-dimethylfuran as this offers an ecological beneficial synthesis of said ortho substituted phenols.

公开(公告)号：US20180370887A1

公开(公告)日：2018-12-27

申请号：US16063481

申请日：2016-11-28

Applicant: DSM IP Assets B.V.

Inventor： Ulla LETINOIS ,  Stephan ACKERMANN ,  Jonathan Alan MEDLOCK ,  Hajo LEHMANN

IPC: C07C41/30 ,  C07C43/178 ,  C07C37/07 ,  C07C37/50 ,  C07C39/07 ,  C07C39/08 ,  B01J31/24 ,  B01J31/22 ,  B01J31/18

Abstract: The present invention relates to a method of preparing ortho substituted phenols from 2,5-dimethylfuran and propargyl ethers in the presence of a gold(I) complex. It is particularly advantageous to use 2,5-dimethylfuran as this offers an ecological beneficial synthesis of said ortho substituted phenols.