Process for continuous production of alkylbenzaldehydes

Details Process for continuous production of alkylbenzaldehydes Process for continuous production of alkylbenzaldehydes

1982-06-09

1984-07-17

Helfin, Bernard

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

C07C 4549

Patent

active

044607946

ABSTRACT:
Alkylbenzaldehyde is continuously produced in high yield from alkylbenzene by formylation with carbon monoxide in the presence of HF--BF.sub.3, where the alkylbenzene, HF--BF.sub.3 and carbon monoxide under a carbon monoxide partial pressure of at least 5 kg/cm.sup.2 absolute are introduced into the reactor to continuously carry out complexing of the alkylbenzene with HF--BF.sub.3 and formylation with the carbon monoxide successively in one and same reactor.

REFERENCES:
patent: 2485237 (1949-10-01), Gresham et al.
patent: 3948998 (1976-04-01), Fujiyama et al.

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