A SIMPLE CONVENIENT SYNTHESIS OF ALKYNE-Co2(CO)6 COMPLEXES AND THEIR UTILIZATION IN THE PAUSON-KHAND CYCLOPENTENONE SYNTHESIS

Article abstract of DOI:10.1016/S0040-4039(00)95264-X

Reduction of anhydrous CoBr2 in THF with Zn under carbon monoxide atmosphere at room temperature followed by treatment with alkynes gives the corresponding alkyne-cobalt carbonyl complexes, which on reaction with olefins give the corresponding cyclopenten