公开(公告)号：US20180244613A1

公开(公告)日：2018-08-30

申请号：US15753244

申请日：2016-08-17

Applicant: BASF SE

Inventor： Stefan RÜDENAUER ,  Thomas FENLON ,  Shriang HINDALEKAR ,  Nisha PANSARE ,  Abhijeet Deb ROY ,  Vijay Narayanan SWAMINATHAN

IPC: C07C403/16 ,  C07C45/39 ,  C07C49/203

CPC classification number: C07C403/16 ,  C07C45/39 ,  C07C49/203 ,  C07C2601/16

Abstract: The present invention relates to a process for preparing 1-(2,6,6-trimethylcyclohex-2-en-1-yl)but-2-en-1-one, which comprises a) providing 6,10-dimethylundeca-1,5,9-trien-4-ol, b) oxidizing 6,10-dimethylundeca-1,5,9-trien-4-ol provided in step a) with an oxidizing agent in the presence of at least one organic nitroxyl radical, at least one nitrate compound and an inorganic solid to yield 6,10-dimethylundeca-1,5,9-trien-4-one, c) reacting the 6,10-dimethylundeca-1,5,9-trien-4-one obtained in step b) with an acid to yield 1-(2,6,6-trimethylcyclohex-2-en-1-yl)but-2-en-1-one.