Process for producing epsilon-caprolactam

Details Process for producing epsilon-caprolactam Process for producing epsilon-caprolactam

1987-02-27

1988-01-05

Bond, Robert T.

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

Organic compounds

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

540535, C07D20104

Patent

active

047177705

ABSTRACT:
.epsilon.-caprolactam is prepared by gas phase catalytic synthesis where cyclohexanone oxime is brought into contact with a crystalline zeolite, for example, aluminosilicate zeolite or metallosilicate zeolite having a constraint index of 1-12 which has been surface treated with an organometallic compound represented by the general formula: R.sub.4-n MX.sub.n wherein R which may be identical or different represent an alkyl group of 1-6 carbon atoms or phenyl group, M represnets Si or Ge, X represents Cl or an alkoxy group of 1-6 carbon atoms and n represents 1 or 2.

REFERENCES:
patent: 4046859 (1977-09-01), Plank et al.
patent: 4061724 (1977-12-01), Grose et al.
patent: 4359421 (1982-11-01), Bell
patent: 4472516 (1984-09-01), Frenken
J. Chem. Soc. of Japan No. 1, pp. 77-81 (1977).
J. Catalysis 6, pp. 245-252 (1966).
Catal. Rev. Sci. Eng. 27(3), pp. 461-514 (1985).
7th Seminar, Catalyst Soc. (1984).
8th Seminar, Catalyst Soc. (1985).
10th Seminar, Catalyst Soc. (1986).
29 Dokl. Akad. Nauk BSSR No. 10, 924-927 (1985).

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