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Published in 2019 at "Synlett"
DOI: 10.1055/s-0039-1691527
Abstract: The reaction of 2-unsubstituted imidazole N-oxides with ethyl cyanoacetate and aromatic aldehydes leads to the formation of ethyl 2-cyano-2-(1,3-dihydro-2H-imidazole-2-ylidene)acetates. The reaction proceeds through an initial [3+2] cycloaddition, followed by cleavage of the cycloadduct and regeneration…
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Keywords:
ethyl cyanoacetate;
aldehyde catalyzed;
unexpected aldehyde;
imidazole oxides ... See more keywords