N-Fluorobis [(perfluoroalkyl) sulfonyl] imides. Efficient reagents for the fluorination of 1, 3-dicarbonyl derivatives
ZQ Xu, DD DesMarteau, Y Gotoh
Index: Xu, Ze-Qi; DesMarteau, Daryl D.; Gotoh, Yoshihiko Journal of Fluorine Chemistry, 1992 , vol. 58, # 1 p. 71 - 79
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Citation Number: 46
Abstract
Abstract Fluorination of 1, 3-dicarbonyl derivatives with N-fluorobis [(perfluoroalkyl) sulfonyl] imides,(CF 3 SO 2) 2 NF (1), results in the formation of 2-fluoro-or 2, 2-difluoro-1, 3- dicarbonyl analogs, depending on the reaction conditions. High yields are obtained for a variety of structural types. In the case of 1, 3-dicarbonyl derivatives with low enol content, only the sodium enolates react with 1. Thus 1 has been demonstrated to be perhaps the ...
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