期刊
ORGANIC LETTERS
卷 23, 期 15, 页码 5652-5657出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.1c01741
关键词
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资金
- National Natural Science Foundation of China [21774056, 52073141]
- Science and Technology Department of Jiangsu Province [BK20181255]
A cobalt-catalyzed method for the formation of a three-nitrogen-bearing benzotriazine scaffold was reported, featuring a low-cost base metal catalyst, a maximum number of heteroatoms built into a heterocycle, a distinct synthetic logic for benzotriazines, a superior step economy, and a broad substrate scope.
Transition-metal-catalyzed, directed intermolecular C-H bond functionalization is synthetically useful but heavily underexplored in multiheteroatom heterocycle synthesis. Herein we report a cobalt catalytic method for the formation of a three-nitrogen-bearing benzotriazine scaffold via the coupling of arylhydrazine and oxadiazolone. This synthetic protocol features a low-cost base metal catalyst, a maximum number of heteroatoms built into a heterocycle, a distinct synthetic logic for benzotriazines, a superior step economy, and a broad substrate scope.
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