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Cyclopropanation of styrene with ethyl diazoacetate catalyzed by Pd(II) in ionic liquid was investigated. Palladium catalysts can be effectively immobilized in ionic liquid. The catalysts PdCl 2 and cyclopalladated complex 2 contained in ionic liquid could be recycled for 6 and 7 times, respectively, without losing the efficiency.
The catalysts PdCl 2 and cyclopalladated complex 2 contained in ionic liquid could be recycled for 6 and 7 times, respectively. Cyclopropanation of styrene with ethyl diazoacetate catalyzed by Pd (II) in ionic liquid was investigated. without losing the efficiency