Liquid phase process for the production of aromatic aldehydes

Details Liquid phase process for the production of aromatic aldehydes Liquid phase process for the production of aromatic aldehydes

1976-11-19

1978-06-27

Helfin, Bernard

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260600R, 260524R, 560 51, 260592, 260591, 2603463, C07C 4500

Patent

active

040975339

ABSTRACT:
A process is described for the preparation of aromatic aldehydes such as benzaldehyde and substituted benzaldehydes by the liquid phase oxidation of toluene or substituted toluenes in the presence of a catalyst comprising phosphoric acid and a catalytically effective amount of palladium metal, and a sulfur, phosphorus or nitrogen modifier.

REFERENCES:
patent: 3162683 (1964-12-01), Jones et al.
patent: 3385897 (1968-05-01), Vanderwerff
patent: 3488395 (1970-01-01), Hooper
patent: 3671582 (1972-06-01), David et al.

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