Studies on the Origin of Dihydrofurans from α-Diazocarbonyl Compounds. Concerted 1,3-Dipolar Cycloaddition vs. Nonsynchronous Coupling in the Copper Chelate Catalyzed Reactions of α-Diazodicarbonyl Compounds with Electron-Rich Olefins
The copper chelate catalyzed thermolysis of alkyl 2-diazo-3-oxobutyrate (1) and of 3-diazo-2,4-pentanedione (2) in the presence of several vinyl ethers to give 4-(alkoxycarbonyl)- and 4-acyl-2,3-dihydrofurans is used to probe the mechanism of this transfo
Alonso, Miquel E.,Morales, Angelina,Chitty, A. Wladimir
p. 3747 - 3754
(2007/10/02)
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