Coammoxidation of ketones

Details Coammoxidation of ketones Coammoxidation of ketones

C - Chemistry, Metallurgy

07

C

C07C 249/04 (2006.01) C07C 249/08 (2006.01) C07C 251/38 (2006.01)

Patent

CA 2540254

The invention relates to a method for the coammoxidation, i.e. for the simultaneous ammoxidation of ketones, especially of cyclic ketones such as cyclododecanone and cyclohexanone. The ammoxidation method of the invention relates to the production of oximes from ketones or aldehydes using hydrogen peroxide and ammonia and further using a catalyst that substantially consists of silicon, titanium and oxygen, such as for example titanium silicalite.

L'invention concerne un procédé pour effectuer une coammoximisation, en même temps qu'une ammoximisation de cétones simultanée, en particulier de cétones cycliques tels que du cyclododécanone et du cyclohexanone. On entend par ammoximisation, la production d'oximes à partir de cétones ou d'aldéhydes avec du peroxyde d'hydrogène et de l'ammoniac et avec un catalyseur, qui est constitué principalement de silicium, de titane et d'oxygène, tel que la silicalite de titane.

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