| 摘要 |
Silver ketenide complexes useful as liquid-phase oxidation catalysts and having the empirical formula Ag2C2O are prepared by reacting a silver compound such as silver nitrate, silver formate, silver acetate, silver propionate, silver sulfate, silver trifluoroacetate, silver benzoate and silver tetrafluoroborate with ketene in the presence of an inert atmosphere. A basic condensation catalyst such as a tertiary amine may be employed where advantageous. The reaction preferably is carried about at a temperature between about 18 DEG C. to about 140 DEG C.
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