A New and Efficient Method for the Selective Olefination of Aldehydes with Ethyl Diazoacetate Catalyzed by an Iron(II) Porphyrin Complex
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2002-01-01
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Chemistry
Abstract
Olefination of aromatic and aliphatic aldehydes with ethyl diazoacetate was achieved in excellent yields with triphenylphosphine and catalytic amounts of iron(II) meso-tetra(p-tolyl)porphyrin. The reaction conditions are mild and the process is efficient and highly selective (>90%) for the synthesis of the trans-olefin isomer. Results of mechanistic studies are discussed.
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Reprinted (adapted) with permission from Journal of the American Chemical Society 124 (2002): 176, doi:10.1021/ja016721v. Copyright 2002 American Chemical Society.
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Tue Jan 01 00:00:00 UTC 2002