Heptafulvenone, Vinylketene, Butadienylketene, and Allenylketene− Facile Generation, Observation, and Radical Reaction with TEMPO

TT Tidwell, MH Fenwick

Index: Tidwell, Thomas T.; Fenwick, Michael H. European Journal of Organic Chemistry, 2001 , # 18 p. 3415 - 3419

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Citation Number: 10

Abstract

Abstract Heptafulvenone (1), vinylketene (11), 1, 3-butadienylketene [(E)-15], and allenylketene (21) have been prepared by reaction of the corresponding acyl chlorides with 1, 8-bis (dimethylamino) naphthalene as long-lived species in solution at room temperature, and their ketenyl IR bands observed under these conditions for the first time, at 2101, 2118, 2111, 2117 cm− 1, respectively. These unsaturated ketenes react with ...