A concise access to 2-allenylindole derivatives based on the palladium catalyzed cross-coupling reaction of indolylborates

Article abstract of DOI:10.1016/S0040-4020(98)00861-8

The palladium catalyzed cross-coupling reaction of trialkyl(indol-2- yl)borates with prop-2-ynyl carbonates was developed for the preparation of 2-allenylindole derivatives. When the reaction of indolylborates with tert- prop-2-ynyl carbonates was carried