Journal
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
Volume 2019, Issue 33, Pages 5777-5786Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejoc.201900935
Keywords
Olefination; Heterocycles; C-H activation; Regioselectivity; Palladium
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Funding
- Indian National Science Academy, New Delhi
- CSIR
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A palladium-catalyzed chelation-assisted selective ortho C-H bond olefination of biologically active 4H-benzo[d][1,3] oxazin-4-one derivatives with activated olefins has been achieved. The products are obtained in good yields with high regio- and stereoselectivities. This new protocol has been demonstrated to provide a variety of olefinated-4H-benzo[d][1,3]oxazin-4-one derivatives. The site selectivity of the reaction was explained by a DFT study.
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