CO2 in tetrahydrofuran Dissolving of complex in THF, evacuating and back-filling with CO2 to 1 atm (room temp., 4 days).; Monitored by IR.;

CO in tetrahydrofuran Addn. of THF to complex, evacuating and back-filling with CO to 1 atm (room temp., 2 days).; IR spectroscopy.;