CO2; CH2Cl2 in benzene High Pressure; a soln. of ((C6H3)3P)3RhCH3 in C6H6 was pressurized with 70 psi of CO2 for 17 h; filtration; evapn. to dryness; dissolving in toluene; filtration; addn. of CH3OH; cooling to -78°C; dissolving of the crystals in CH2Cl2/CD2Cl2;; removal of solvent; dissolving in toluene; filtration; concg. of the filtrate and addn. of CH3OH; cooling at -11°C for 4 weeks; all manipulations were carried out under Ar;;

CO2; CH2Cl2 in benzene High Pressure; a soln. of ((C6H3)3P)3RhCH3 in C6H6 was pressurized with 70 psi of CO2 for 17 h; filtration; evapn. to dryness; dissolving in toluene; filtration; addn. of CH3OH; cooling to -78°C; dissolving of the crystals in CH2Cl2/CD2Cl2;; removal of solvent; dissolving in toluene; filtration; concg. of the filtrate and addn. of CH3OH; cooling at -11°C for 4 weeks; all manipulations were carried out under Ar;;