1978•Bulletin of the Chemical Society of JapanRequires access
Some Aspects on the Mechanism of Palladium-complex-catalyzed Decomposition of and Cyclopropanation with Ethyl Diazoacetate
Akira Nakamura, Teruhisa Koyama, Sei Otsuka
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Abstract
Abstract Carbenoid decomposition of ethyl diazoacetate in the presence of various palladium complexes as catalysts was found to kinetically depend on the identity of halide ligands. The use of several chiral ligands did not induce appreciable enantioselective catalytic cyclopropanation between ethyl diazoacetate and styrene. The active catalyst species is not under the influence of the chiral ligands but under control of halides which are bound more strongly to the metal.