carbon monoxide in hexane hexane soln. of the Cr-complex was stirred for 48 h at 60°C under an atmosphere of CO (4 atm); concd., cooled to -78°C, decanted from the pptd. Cr(CO)6, evapn. of the soln. yielded 2-Me3Si-naphthalene (identified by its (1)H NMR spectrum);

carbon monoxide in hexane hexane soln. of the Cr-complex was stirred for 48 h at 60°C under an atmosphere of CO (4 atm); concd., cooled to -78°C, decanted from the pptd. Cr(CO)6, evapn. of the soln. yielded 2-Me3Si-naphthalene (identified by its (1)H NMR spectrum);