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Formal [5+3] Cycloaddition of Zwitterionic Allylpalladium Intermediates with Azomethine Imines for Construction of N,O‐Containing Eight‐Membered Heterocycles
Advanced Synthesis & Catalysis ( IF 4.4 ) Pub Date : 2017-12-11 , DOI: 10.1002/adsc.201701247
Chunhao Yuan 1 , Yang Wu 1 , Dongqi Wang 2 , Zhenhua Zhang 1 , Chang Wang 1 , Leijie Zhou 1 , Cheng Zhang 1 , Baoan Song 3 , Hongchao Guo 1, 3
Affiliation  

A formal [5+3] cycloaddition of zwitterionic allylpalladium intermediates with 1,3‐dipoles is developed, providing N,O‐containing eight‐membered heterocyclic compounds in high yields. Catalytically generated zwitterionic allylpalladium intermediates in situ from vinylethylene carbonates or vinyloxiranes acted as dipolarophile.

中文翻译:

两性离子烯丙基钯中间体与偶氮亚胺的正式[5 + 3]环加成反应,用于构建含N,O的八元杂环

开发了具有1,3-偶极子的两性离子烯丙基钯中间体的正式[5 + 3]环加成反应,可高收率地提供含N,O的八元杂环化合物。由碳酸乙烯基亚乙酯或乙烯基环氧乙烷在原位催化生成的两性离子烯丙基钯中间体起亲极性的作用。
更新日期:2017-12-11
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