Trapping enols of esters and lactones with diazomethane
Suárez Castillo, Oscar Rodolfo
2007
Trapping enols of esters and lactones with diazomethane.Martha S. Morales-Ríos, Perla Y. López-Camacho, Oscar R. Suárez-Castillo, Pedro Joseph-Nathan. DOI: http://dx.doi.org/10.1016/j.tetlet.2007.02.006
Abstract
A series of regioisomeric ketene-O,O-dialkyl acetals were prepared from ambident ?-dicarbonylfuroindoles by trapping the enol tautomers of esters and lactones with diazomethane. Definitive structural characterization was accomplished by X-ray crystal structure determination on a ketene-O,O-dimethyl acetal (R = Me).
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