Et. Blues et al., PREPARATION, PROPERTIES AND STRUCTURE OF CRYSTALLINE SILVER KETENIDE (MU-OXOETHENYLIDENE DISILVER) AND ITS PYRIDINE COMPLEX, Perkin transactions. 2, (9), 1993, pp. 1631-1642
Silver ketenide of empirical formula Ag2C=C=O is obtained by direct re
action of ketene or an in situ source of ketene such as acetic anhydri
de, isopropenyl acetate, vinyl acetate or phenyl acetate with certain
silver salts, normally in the presence of a base.