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Palladium‐Catalyzed Aza‐Wittig‐Type Condensation of Isoxazol‐5(4H)‐ones with Aldehydes |
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| Authors: | Dr Kazuhiro Okamoto Takuya Shimbayashi Eisuke Tamura Prof Dr Kouichi Ohe |
| Institution: | Department of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo‐ku, Kyoto 615‐8510 (Japan) |
| Abstract: | This paper describes the development of a palladium‐catalyzed decarboxylative inter‐ and intramolecular condensation reaction of isoxazol‐5(4 H)‐ones with carbonyl compounds in the presence of PPh3, giving various 2‐azabuta‐1,3‐dienes or pyrroles in moderate to high yields. |
| Keywords: | aza‐wittig decarboxylation nitrene transfer palladium Staudinger reaction |