Publication: Reactions of 2-unsubstituted 1H-Imidazole 3-Oxides with 2,2- Bis(trifluoromethyl)ethene-1,1-dicarbonitrile: A stepwise 1,3-dipolar Cycloaddition
Reactions of 2-unsubstituted 1H-Imidazole 3-Oxides with 2,2- Bis(trifluoromethyl)ethene-1,1-dicarbonitrile: A stepwise 1,3-dipolar Cycloaddition
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Mlostoń, G., Jasiński, M., Linden, A., & Heimgartner, H. (2006). Reactions of 2-unsubstituted 1H-Imidazole 3-Oxides with 2,2- Bis(trifluoromethyl)ethene-1,1-dicarbonitrile: A stepwise 1,3-dipolar Cycloaddition. Helvetica Chimica Acta, 89(7), 1304–1316. https://doi.org/10.1002/hlca.200690129
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The reaction of 1,4,5-trisubstituted 1H-imidazole-3-oxides 1 with 2,2-bis(trifluoromethyl)ethene-1,1-dicarbonitrile (7, BTF) yielded the corresponding 1,3-dihydro-2H-imidazol-2-ones 10 and 2-(1,3-dihydro-2H-imidazol-2-ylidene)malononitriles 11, respectively, depending on the solvent used. In one example, a 1 : 1 complex, 12, of the 1H-imidazole 3-oxide and hexafluoroacetone hydrate was isolated as a second product. The formation of the products is explained by a stepwise 1,3-dipolar cycloaddition and subsequent fragmentation. The stru
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- Jasiński, M
- Heimgartner, H
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Mlostoń, G., Jasiński, M., Linden, A., & Heimgartner, H. (2006). Reactions of 2-unsubstituted 1H-Imidazole 3-Oxides with 2,2- Bis(trifluoromethyl)ethene-1,1-dicarbonitrile: A stepwise 1,3-dipolar Cycloaddition. Helvetica Chimica Acta, 89(7), 1304–1316. https://doi.org/10.1002/hlca.200690129
