期刊
ORGANIC LETTERS
卷 20, 期 10, 页码 2929-2933出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.8b00988
关键词
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资金
- National Natural Science Foundation of China [NSFC-21672170]
- Key Science and Technology Innovation Team of Shaanxi Province [2017KCT-37]
- Northwest University
The first highly enantioselective [3 + 2] formal cycloaddition of 1-styrylnaphthols (or phenol) with quinones catalyzed by a chiral phosphoric acid has been reported. A class of trans-2,3-diarylbenzofurans were prepared efficiently (up to 99% yield, >20:1 dr, 99% ee). This organocatalytic procedure allows lowering of the catalyst loading to 0.5 mol % without considerable loss in reactivity and enantioselectivity.
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