Novel electrophilic species equivalent to. alpha.-keto cations. Reactions of 0, 0-diprotonated nitro olefins with benzenes yield arylmethyl ketones

K Okabe, T Ohwada, T Ohta…

Index: Okabe, Kazuaki; Ohwada, Tomohiko; Ohta, Toshiharu; Shudo, Koichi Journal of Organic Chemistry, 1989 , vol. 54, # 4 p. 733 - 734

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Citation Number: 27

Abstract

Summary: The N, N-dihydroxyiminium carbenium ions formed by 0, O-diprotonation of nitro olefins in a strong acid, trifluoromethanesulfonic acid (TFSA), are discrete and novel dipositively charged species. The dications formed from a-substituted nitroethylenes are ...

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