作者:Xuyan Ma、Yali Chen、Yajuan Zhang、Di Xu、Weiguo Cao、Jie Chen
DOI:10.1002/ejoc.201101583
日期:2012.3
Key to the procedure is the simultaneous in situ generation of reactive nitrile oxides from arenecarbohydroximoyl chlorides and aryne reactants from benzobis(oxadisilole) or 2,3-naphthoxadisilole. One oxadisilole-fused benzisoxazole is a new precursor of a benzyne formed by a phenyliodination/fluoride-induced elimination protocol. By using this benzyne, cycloadducts were synthesized in good yields. The
在室温下,通过芳炔与腈氧化物的 1,3-偶极环加成反应,以良好的收率获得了恶二硅氧烷稠合的苯并异恶唑或萘二恶唑。该过程的关键是从芳烃碳羟肟酰氯和芳烃反应物从苯并双 (oxadisilole) 或 2,3-naphthoxadisilole 中同时原位生成活性腈氧化物。一种 oxadisilole 稠合的苯并异恶唑是苯碘化/氟化物诱导消除方案形成的苯的新前体。通过使用这种苄,环加合物以良好的产率合成。一些 oxadisilole 稠合的苯并异恶唑的 de-oxadisilole 反应可以很容易地在室温下用 1.0 M 氟化四丁基铵的 THF 溶液进行。