Journal
ADVANCED SYNTHESIS & CATALYSIS
Volume -, Issue -, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.202300639
Keywords
rhodium catalysis; nitrosated indole; alkyne; dearomative spirocyclization; indenone
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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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