Thermal promotion of the cobalt catalyzed intramolecular Pauson-Khand reaction - An alternative experimental protocol for cyclopentenone synthesis

Article abstract of DOI:10.1016/S0040-4039(98)01693-1

Heat alone has been found sufficient to promote intramolecular Pauson- Khand cyclizations catalyzed by high purity Co₂(CO)₈. The existence of a very narrow thermal window (e.g., 60 °C - 70 °C) for the attainment of efficient catalysi