申请人:IGM RESINS ITALIA S.R.L.
公开号:US10017435B2
公开(公告)日:2018-07-10
The present invention refers to a process for producing 5-[4-(2-hydroxy-2-methyl)-1-oxo-prop-1-yl]-3-[4-(2-hydroxy-2-methyl)-1-oxo-prop-1-yl-phenyl]-2,3-dihydro-1,1,3-trimethyl-1H-indene (dimer isomer 5) that comprises the synthesis from cumene and dimerization of 2-methyl-1-(4-(prop-1-en-2-yl)phenyl)propan-1-one in the presence of acid catalysts.
本发明涉及一种生产 5-[4-(2-羟基-2-甲基)-1-氧代-丙-1-基]-3-[4-(2-羟基-2-甲基)-1-氧代-丙-1-基-苯基]-2,3-二氢-1,1,3-三甲基-1H-茚(二聚体异构体 5)的工艺,该工艺包括在酸催化剂存在下,从积烯合成 2-甲基-1-(4-(丙-1-烯-2-基)苯基)丙-1-酮并将其二聚化。