期刊
ORGANIC LETTERS
卷 24, 期 29, 页码 5281-5286出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.2c01843
关键词
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资金
- National Natural Science Foundation of China [22101164]
- Natural Science Foundation of Shaanxi Province of China [2021JQ-530]
A Ru(II)-catalyzed synthesis method has been developed for the efficient formation of dibenzo[b,d]furans and NH-free carbazolones. The reaction shows mild conditions, low catalyst loading, and broad substrate compatibility. Hydroxy and free amino groups were found to be effective directing groups.
A Ru(II)-catalyzed decarbonylative alkylation and annulation of salicylaldehydes and 2-aminobenzaldehydes with iodonium ylides has been developed for the synthesis of dibenzo[b,d]furans and NH-free carbazolones. The reaction proceeds smoothly under mild conditions with a low catalyst loading and a broad substrate compatibility. Notably, hydroxy and free amino groups were demonstrated to be the effective directing groups, enabling the successful aldehyde C-H bond activation and subsequent decarbonylation and annulation under the inexpensive Ru(II) catalyst.
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