期刊
CHINESE JOURNAL OF CHEMISTRY
卷 35, 期 6, 页码 857-860出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cjoc.201600864
关键词
cycloaddition; spirooxindoles; azaoxyallyl cations; nitrones; 1,3-dipoles
资金
- NSFC [21602143, 21125206]
- Starting Foundation for Young Teachers of Sichuan University [2016SCU11009]
A [3+3] formal cycloaddition reaction between in situ formed azaoxyallyl cations and nitrones from isatins has been developed, furnishing a spectrum of spiro[1,2,4-oxadiazinan-5-one] oxindoles in good to excellent yields with excellent diastereoselectivity. This method provides direct and efficient access to potentially bioactive spirooxindoles incorporating a six-membered heterocyclic scaffold.
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