Selenium-Containing Heterocycles From Isoselenocyanates: Synthesis of Ethyl 4-oxo-2-amino-4,5-dihydroselenophene-3-carboxylates

Geoffroy   L.   Sommen; Anthony      Linden; Heinz      Heimgartner

doi:10.2174/157017807780037342

Abstract

Aryl and alkyl isoselenocyanates 2 react with ethyl γ-chloroacetoacetate (1) in the presence of triethylamine to give the corresponding 4-oxo-2-amino-4,5-dihydroselenophene-3-carboxylates 4a-f in moderate to good yields.

Keywords: Selenium heterocycles, isoselenocyanates, selenophenes, cyclization, βketoester, crystal structure

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Letters in Organic Chemistry

Title: Selenium-Containing Heterocycles From Isoselenocyanates: Synthesis of Ethyl 4-oxo-2-amino-4,5-dihydroselenophene-3-carboxylates

Volume: 4 Issue: 1

Author(s): Geoffroy L. Sommen, Anthony Linden and Heinz Heimgartner

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Keywords: Selenium heterocycles, isoselenocyanates, selenophenes, cyclization, βketoester, crystal structure

Abstract: Aryl and alkyl isoselenocyanates 2 react with ethyl γ-chloroacetoacetate (1) in the presence of triethylamine to give the corresponding 4-oxo-2-amino-4,5-dihydroselenophene-3-carboxylates 4a-f in moderate to good yields.

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Sommen L. Geoffroy, Linden Anthony and Heimgartner Heinz, Selenium-Containing Heterocycles From Isoselenocyanates: Synthesis of Ethyl 4-oxo-2-amino-4,5-dihydroselenophene-3-carboxylates, Letters in Organic Chemistry 2007; 4 (1) . https://dx.doi.org/10.2174/157017807780037342