Journal
TETRAHEDRON
Volume 85, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2021.132048
Keywords
Coumaronochromones; Cross dehydrogenative coupling; Palladium catalysis; Base-free process; Oxidative annulation
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Funding
- Shenzhen Science and Technology Innovation Committee [ZDSYS20190902093215877]
- Shanghai Municipal Committee of Science and Technology [18ZR1447600]
- National Natural Science Foundation of China [21672229, 81521005]
- SA-SIBS Scholarship Program
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An efficient base-free palladium-catalyzed intramolecular cross dehydrogenative coupling has been developed for the synthesis of diversely substituted coumaronochromones with yields up to 90%.
An efficient base-free palladium-catalyzed intramolecular cross dehydrogenative coupling of 2-aryloxy substituted 4-chromenones to access coumaronochromones has been achieved. A range of diversely substituted coumaronochromones can be facilely synthesized in good to excellent yields (up to 90%). (C) 2021 Elsevier Ltd. All rights reserved.
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