Process for production of terephthalic dialdehyde

Details Process for production of terephthalic dialdehyde Process for production of terephthalic dialdehyde

1977-03-15

1978-11-14

Helfin, Bernard

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 4500

Patent

active

041255615

ABSTRACT:
Process for the production of terephthalic dialdehyde by hydrolysis of .alpha.,.alpha.,.alpha.',.alpha.'-tetrachloro-p-xylene, which comprises contacting .alpha.,.alpha.,.alpha.',.alpha.'-tetrachloro-p-xylene and steam in a reaction zone at a temperature and for a time sufficient for hydrolysis of the .alpha.,.alpha.,.alpha.',.alpha.'-tetrachloro-p-xylene to form said dialdehyde.

REFERENCES:
patent: 2948756 (1970-08-01), Bengelsdorf
patent: 3524885 (1970-08-01), Deinet

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