Synthesis of enol and vinyl esters catalyzed by an iridium complex |
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| Authors: | Hideto NakagawaYoshio Okimoto Satoshi SakaguchiYasutaka Ishii |
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| Affiliation: | Department of Applied Chemistry, Faculty of Engineering, Kansai University, Suita, Osaka 564-8680, Japan |
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| Abstract: | Enol and vinyl esters were successfully synthesized by the use of an iridium complex as a catalyst. The reaction of carboxylic acids with terminal alkynes in the presence of catalytic amounts of [Ir(cod)Cl]2 and Na2CO3 gave the corresponding 1-alkenyl esters. The addition of carboxylic acids to alkynes principally took place in the Markovnikov fashion. In addition, by the use of an Ir complex combined with NaOAc various vinyl esters were prepared through the transvinylation between carboxylic acids and vinyl acetate. |
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| Keywords: | iridium enol ether vinyl ether alkyne carboxylic acid vinyl acetate |
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