Conversion of aromatic aldehydes to phenolic compounds

Details Conversion of aromatic aldehydes to phenolic compounds Conversion of aromatic aldehydes to phenolic compounds

1974-08-26

1976-06-08

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 3906

Patent

active

039623505

ABSTRACT:
Phenolic compounds, such as phenol itself, are formed by oxidizing the corresponding aromatic aldehyde precursors, in the vapor phase, with molecular oxygen, the gaseous oxidation product being cooled in the presence of an inert diluent to prevent formation of tarry condensation products. In a particular embodiment a mixture of toluene and benzaldehyde is reacted with oxygen to convert the benzaldehyde to phenol while a portion of the toluene is oxidized to benzaldehyde which is recycled. The products are separated by solvent extraction.

REFERENCES:
patent: 2199585 (1940-05-01), Bone
patent: 2223383 (1940-12-01), Moyer
patent: 3609195 (1971-09-01), Fields
patent: 3850995 (1974-11-01), Horlenko et al.
patent: 3872156 (1975-03-01), Bourdin
Buehler, "Chem. Abstract," vol. 70 (1969), p. 96330b.

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