carbon monoxide in diethyl ether byproducts: (CH3)4Si, ((CH3)3Si)2O; CH3OSO2F3 in ether was added to the complex at -78°C, stirred at0°C for 10 min, evapd., dissolved in CH2Cl2 at -78°V, 250psi of CO; allowed to warm to room temp. for 20 h;; not sepd., detected by GC/MS analysis;;

in dichloromethane Acetyl bromide was added to complex at -195°C, the mixt. was stirred at 78°C for 0.5 h;; evapd., not sepd., detected by IR spectra;;