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Paper | Regular issue | Vol 55, No. 6, 2001, pp.1063-1070
Published online, 1st January, 1970
DOI: 10.3987/COM-01-9188
Palladium Catalyzed Carbonylative Cross-Coupling Reaction of Indolylborates with Prop-2-ynyl Carbonates

Minoru Ishikura,* Harue Uchiyama, and Noriyuki Matsuzaki

*Faculty of Pharmaceutical Sciences, Health Sciences University of Hokkaido, Ishikari-Tobetsu, Hokkaido 061-0293, Japan


Palladium catalyzed carbonylative cross-coupling reaction of 1-methylindolylborate (2a) with prop-2-ynyl carbonates (3) produced cyclopenta[b]indole derivatives in a one-pot manner. Hence, the use of indolylborates (2c, d) for the reaction with 3 allowed the isolation of indol-2-yl allenyl ketones (4).