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Addition Reactions Of Immonium Benzotriazolates To Acetylenic Esters

A. Katritzky, C. N. Fali, D. C. Oniciu
Published 1995 · Chemistry

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Abstract 1-Dialkylaminomethylbenzotriazoles react with ethyl propiolate and dimethyl acetylenedicarboxylate by addition of the benzotriazole anion followed by the immonium cation. The benzotriazolyl group in the products undergoes facile nucleophilic displacement.
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