期刊
ORGANIC LETTERS
卷 21, 期 21, 页码 8857-8860出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.9b03565
关键词
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资金
- National Natural Science Foundation of China [21901265, 21762054]
- Program for the Top Talents of Science and Technology in Higher Learning Institutions of Guizhou Province [QJHKYZ-2016-081]
- Science and Technology Department of Guizhou Province [QKHJZ-2015-2155]
- National First-Rate Construction Discipline of Pharmacy [GNYL-2017-006]
- Zunyi Medical University [18ZY-002, 17ZY-001]
- Fifth Batch of Talent Base in Guizhou Province [S-030-1]
A palladium-catalyzed three-component [2 + 3 + 1] domino annulation among 3-iodochromones, alpha-bromoacetophenones, and norbornene is presented, affording various chromone-containing polycyclic compounds bearing fused/spiro/bridged-ring systems. For the first time, the 2,2-bifunctionalization of norbornene was realized in palladium-catalyzed domino reaction. This cyclization characterizes three new bonds (two C-C and one C-O) in a single operation and produces nontrivial Spiro-norbornane fragments in comparison with a traditional palladium-catalyzed process involving norbornene.
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