期刊
ORGANIC CHEMISTRY FRONTIERS
卷 8, 期 3, 页码 572-578出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0qo01009j
关键词
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资金
- Nanjing Tech University [39837118, 39837146]
- National Natural Science Foundation of China [21901087, 22001121]
- Natural Science Foundation of Jiangsu Province [BK20180690, BK20190951]
- Nanjing Forestry University
A Pd-catalyzed C-F bond alkynylation of polyfluoroalkyl ketones with terminal alkynes has been developed, providing a series of modular perfluoroalkyl- and alkynyl-substituted furan derivatives with high chemoselectivity and regioselectivity in moderate yields. The success of this cascade reaction relies on the well-controlled sequence of functionalization and alkynylation of multiple C(sp(3))-F bonds. The reaction is presumed to proceed through a chelation-assisted oxidative addition of Pd to the C-F bond based on mechanistic studies.
A Pd-catalyzed C-F bond alkynylation of polyfluoroalkyl ketones with terminal alkynes has been developed. The method gives access to a range of modular perfluoroalkyl- and alkynyl-substituted furan derivatives in moderate yields with high chemoselectivity and regioselectivity. The key to the success of the present cascade reaction mainly relies on the well-controlled sequence of functionalization and alkynylation of multiple C(sp(3))-F bonds. Mechanistic studies showed that the reaction presumably proceeded through a chelation-assisted oxidative addition of Pd to the C-F bond.
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