Process for the preparation of lactames through oxime isomerizat

Details Process for the preparation of lactames through oxime isomerizat Process for the preparation of lactames through oxime isomerizat

1979-02-15

1980-07-08

Jiles, Henry R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

546243, 2603265FN, C07D20104

Patent

active

042117003

ABSTRACT:
The invention relates to a process for the preparation of lactames according to the so-called "Beckmann rearrangement" which consists in isomerizing oximes in a sulfuric solution, the weight ratio percentage of sulfuric acid to the combined amount of sulfuric acid and water being raised to a value above that of the sulfuric solution feed.

REFERENCES:
patent: 3060173 (1962-10-01), Von Schick et al.
patent: 3090739 (1963-05-01), Ito
patent: 3239508 (1966-03-01), Ito et al.
patent: 3297684 (1967-01-01), Ito et al.
patent: 3427303 (1969-02-01), Genas et al.

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