Tetrahedron letters

New rhodium (II) catalyzed synthesis of 1, 4-dicarbonyl compounds from α-diazo ketones using vinyl ethers as two-carbon synthons

S Muthusamy, P Srinivasan

Index: Muthusamy, Sengodagounder; Srinivasan, Pandurangan Tetrahedron Letters, 2006 , vol. 47, # 35 p. 6297 - 6300

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Citation Number: 17

Abstract

Rhodium (II) acetate catalyzed reactions of various α-diazo ketones, and vinyl ethers afforded γ-ketoaldehydes or 1, 4-diketones in a facile manner. In this process, oxycyclopropanes are formed as intermediates, and are subsequently ring opened in the presence of the rhodium (II) acetate catalyst to furnish the corresponding 1, 4-dicarbonyl compounds. The scope of this protocol has been demonstrated with the synthesis of a ...

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