acetic acid in tetrahydrofuran byproducts: carbon monoxide, C5H6; under N2, THF suspn. of V-complex reacted with CH3CO2H; elem. anal.;

formic acid in tetrahydrofuran byproducts: carbon monoxide, C5H6; under N2, THF suspn. of V-complex reacted with 97percent HCO2H; stood overnight; elem. anal.;