期刊
ADVANCED SYNTHESIS & CATALYSIS
卷 362, 期 3, 页码 523-527出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.201901169
关键词
metal-free; para-quinone methides; cycloaddition; hexahydro-1,3,5-Triazines; heterocyclic compounds
资金
- National Natural Science Foundation of China [21971001, 21702001, 21702121]
- Natural Science Foundation of Anhui Province [1808085MB47]
- Open Fund for Discipline Construction, Institute of Physical Science and Information Technology, Anhui University
- Anhui University
A [4+2]-cycloaddition of para-quinone methides with hexahydro-1,3,5-triazines is reported. The reaction occurs under very mild conditions (catalyst-, ligand-, and base-free), exhibits a broad substrate scope and excellent functional group tolerance, and affords a series of biologically important 1,3-benzoxazine derivatives in good to excellent yields. Moreover, the successful late-stage functionalization of pharmaceutically relevant compounds further renders the approach valuable.
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