公开(公告)号：US10150730B2

公开(公告)日：2018-12-11

申请号：US15753244

申请日：2016-08-17

Applicant: BASF SE

Inventor： Stefan Rüdenauer ,  Thomas Fenlon ,  Shrirang Hindalekar ,  Nisha Pansare ,  Abhijeet Deb Roy ,  Vijay Narayanan Swaminathan

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

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.