| 摘要 |
<p>1,177,495. Cyclohexanone oximes. FARBENFABRIKEN BAYER A.G. 7 March. 1967 [19 March, 1966], No. 10624/67. Heading C2C. Optionally alkyl substituted cyclohexanone oximes are produced by reacting the cyclohexanone with ammonia and H 2 O 2 in an aqueous medium optionally in the presence of one or more water-soluble tungsten compounds at - 20‹ to 50‹ C., the cyclohexanone and ammonia being used in excess with respect to the H 2 O 2 . Ammonium or alkali metal salts of tungstic acid or of a heteropoly-acid thereof, are the preferred catalysts.</p> |
