期刊
ADVANCED SYNTHESIS & CATALYSIS
卷 -, 期 -, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.202300639
关键词
rhodium catalysis; nitrosated indole; alkyne; dearomative spirocyclization; indenone
We developed a redox-neutral synthesis of indenones catalyzed by rhodium(III), which does not require harsh conditions or any external oxidants. Mechanistic experiments and DFT calculation revealed that the reaction involves various cascade processes.
Herein, we developed a rhodium(III)-catalyzed synthesis of indenones from 2-aryl-3-nitrosoindoles and alkynes in a redox-neutral manner. The reaction did not require harsh conditions or any external oxidants. Mechanistic experiments and DFT calculation revealed that the reaction involved directed C-H activation, dearomative spirocyclization, N-O/C-C bond cleavage and ketimine hydrolysis cascade processes. image
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