Exploratory and Mechanistic Studies of the Trimerization Reaction of Benzoylacetylenes in the Presence of a Secondary Amine
作者:Kenji Matsuda、Nobuo Nakamura、Hiizu Iwamura
DOI:10.1246/cl.1994.1765
日期:1994.9
A variety of benzoylacetylenes are trimerized to give the corresponding 1,3,5-tribenzoylbenzenes when heated with a catalytic amount of diethylamine. A large amount of diethylamine gives γ-(diethylamino)propenoylbenzene at the expense of 1,3,5-tribenzoylbenzene, verifying a Michael-addition/trimerization/elimination-type mechanism for the formation of the benzene ring.