Tao Li-ming
2008
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Journal
Journal of Xiangnan University
Abstract
Cyclotrimerization of p-chloro-ethynylbenzene is carried out to regioselectively afford 1,3,5-Tri(p- chlorophenyl)benzene in poly(ethylene glycol)-400(PEG-400).The method is of high yield.It is worthy that the reaction is conducted under environmentally benign conditions and the catalyst could be properly recycled.The structure is characterized by NMR and MS spectrum.