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research article
Sequential ATRA-Reductive Cyclopropanation Reactions with a Ruthenium Catalyst in the Presence of Manganese
Atom-transfer radical addition (ATRA) reactions of ethyl trichloroacetate, dichloromalononitrile, or diethyl 2,2-dichloromalonate with olefins followed by dechlorination have provided functionalized cyclopropanes in one step. The RuIII complex [Cp*RuCl2(PPh3)] was used as a catalyst precursor and commercial Mn powder as reducing agent. Reactions with the less activated substrate ethyl dichloroacetate gave ATRA products with high turnover numbers but cyclopropanation was not observed.
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EurJOC-2011-Fernández.pdf
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