Production of epsilon-caprolactam

Details Production of epsilon-caprolactam Production of epsilon-caprolactam

1986-08-13

1987-11-24

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

047090243

ABSTRACT:
.epsilon.-caprolactam is prepared by gas phase catalytic synthesis in which cyclohexanone oxime is brought into contact with crystalline alluminosilicate, for example, ZSM-5 H.sup.+ form) having 1-12 of constraint index, 500 or more, preferably 1000 or more, of Si/Al atomic ratio and 5.mu. equivalent/g or less, preferably 2.mu. equivalent/g, of external acid amount.

REFERENCES:
patent: 3503958 (1970-03-01), Landis
patent: 4359421 (1982-11-01), Bell et al.
patent: 4472516 (1983-02-01), Frenken
Dokl. Akad. Nauk. BSSR 29(10) 924-927 (1985).

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