期刊
ORGANIC LETTERS
卷 21, 期 17, 页码 6653-6657出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.9b02249
关键词
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资金
- National Natural Science Foundation of China [21572025, 21672028, 21602019]
- Innovation AMP
- Entrepreneurship Talents Introduction Plan of Jiangsu Province
- Natural Science Foundation of Jiangsu Province [BK20171193]
- Jiangsu Key Laboratory of Advanced Catalytic Materials Technology [BM2012110]
- Advanced Catalysis and Green Manufacturing Collaborative Innovation Center
- Young Natural Science Foundation of the Jiangsu Province [BK20150263]
A rhodium-catalyzed annulation between aroyl sulfoxonium ylides and anthranils has been developed to synthesize 10H-indolo[1,2-a]indol-10-one derivatives. This reaction started with an unpredented (4 + 1) annulation toward N-(2-formylphenyl) indolones, proceeding with the sequential ortho-amination of the C-H bond in aroyl sulfoxonium ylides by anthranils and the insertion of N-H to carbene. Finally, the Aldol condensation constructed the second indole ring. This procedure features the formation of two C-N bonds and one C=C bond in one pot.
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