期刊
ADVANCED SYNTHESIS & CATALYSIS
卷 363, 期 16, 页码 3957-3961出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.202100693
关键词
2-Isocyanophenyloxyacrylate; Propargylic ester; Diastereoselective synthesis; Tetracyclic benzooxazine
资金
- Natural Science Foundation of Shanghai [18ZR1413900]
- National Key Research and Development Program of China [2017YFB0102900]
- School of Chemistry and Chemical Engineering, Henan Normal University
A cascade annulation of 2-isocyanophenyloxyacrylate and propargylic ester under basic conditions has been developed for the diastereoselective synthesis of oxa-bridged tetracyclic benzooxazine. The annulation involves isomerization, Michael addition, triple annulation, and acyl migration processes.
A cascade annulation of 2-isocyanophenyloxyacrylate and propargylic ester under basic conditions has been disclosed. This methodology enables diastereoselective synthesis of oxa-bridged tetracyclic benzooxazine. The annulation proceeds through isomerization, Michael addition, triple annulation and acyl migration processes.
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