芳香族ニトリルオキシドとトリフエニルホスフインベンゾイルメチレンからイソキサゾール生成反応

ヘテロ芳香族性の研究 (第50報)

抄録

Treatment of benzonitrile oxide, p-nitrobenzo-and m-nitrobenzonitrile oxide and 5-nitro-2-furocarbonitrile oxide with triphenylphosphinebenzoylmethylene afforded the corresponding 5-phenylisoxazoles instead of the expected keteneimines and oximes. The mechanism for the formation was discussed.