Process for ammoximation of cyclohexanone

Details Process for ammoximation of cyclohexanone Process for ammoximation of cyclohexanone

1980-02-28

1981-07-28

Trousof, Natalie

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

252453, C07C13104

Patent

active

042811945

ABSTRACT:
An amorphous silica/alumina gel catalyst obtained by coprecipitating orthosilicate tetraester and aluminate triester in about 2.5:1 mole ratio, via rapid addition of about 0.4 to 5 moles of water per molecular equivalent of total ester groups, and drying at not over about 275.degree. C. is an effective catalyst for vapor phase reaction of cyclohexanone, ammonia and oxygen to form cyclohexanone oxime. This oxime can be rearranged to caprolactam, the starting material for nylon-6.

REFERENCES:
patent: 4163756 (1979-08-01), Armor

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