Rhodium Acetate Dimer Immobilized in 1-B
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J. S. Yadav; B. V. S. Reddy; P. Narayana Reddy
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Article
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2004
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John Wiley and Sons
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English
⚖ 92 KB
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Alkenes undergo smooth cyclopropanation with ethyl diazoacetate using a catalytic amount of rhodium acetate dimer, Rh 2 (OAc) 4 , immobilized in the air-and moisture-stable 1-butyl-3-methylimidazolium hexafluorophosphate ionic liquid, [bmim]PF 6 , to afford cyclopropanecarboxylates in excellent yiel