Process for the preparation of amides from oximes

Details Process for the preparation of amides from oximes Process for the preparation of amides from oximes

1997-07-03

1999-06-22

Raymond, Richard L.

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

Organic compounds

Unsubstituted hydrocarbyl chain between the ring and the -c-...

C07D20104

Patent

active

059143983

ABSTRACT:
Process for the preparation of caprolactam by the catalytic rearrangement of cyclohexanone oxime in which a vapour phase oxime is contacting a catalyst selected from an essentially amorphous, micro-mesoporous silica-alumina having a molar ratio SiO.sub.2 /Al.sub.2 O.sub.3 of 30 to 5000, a surface area of at least 500 m.sup.2 /g and a total pore volume of 0.3 to 1.3 ml/g.

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patent: 4709024 (1987-11-01), Sato et al.
patent: 4745221 (1988-05-01), Roffia et al.
patent: 5041652 (1991-08-01), Padovan et al.
patent: 5625108 (1997-04-01), Perego et al.

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