The homoleptic hydroxy-pyridine functionalized Co(III)-NHC complex (2) demonstrates extraordinary catalytic activity towards the CO cycloaddition under mild conditions. Using this catalyst and TBAB, the highest TON (666 667) and TOF (52 713 h) were achieved compared to previously reported cobalt catalysts.

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The homoleptic hydroxy-pyridine functionalized Co(III)-NHC complex (2) demonstrates extraordinary catalytic activity towards the CO cycloaddition under mild conditions. Using this catalyst and TBAB, the highest TON (666 667) and TOF (52 713 h) were achieved compared to previously reported cobalt catalysts.

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