Process for the preparation of aromatic aldehydes

Details Process for the preparation of aromatic aldehydes Process for the preparation of aromatic aldehydes

1986-06-13

1988-01-19

Lone, Werren B.

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

Organic compounds

Oxygen containing

C07C 4549

Patent

active

047205946

ABSTRACT:
Process for the preparation of aromatic aldehydes by hydrocarbonylation of chloro- or bromoaromatic compounds. In the presence of an acceptor for an oxygen-free acid, a palladium/phosphine complex and, if appropriate, a phosphine, a mixture of carbon monoxide and hydrogen is reacted with chloro- or bromoarenetricarbonylchromiums.

REFERENCES:
patent: 3960932 (1976-06-01), Heck
patent: 4536344 (1985-08-01), Fiedler et al.
patent: 4605749 (1986-08-01), Buchman et al.
Schoenberg et al., J. Am. Chem. Soc. 96, 7761-7764 (1974).
Hajime Yoshida et al., Kinetics on the Formylation of Iodobenzene Catalyzed by Palladium(II) Chloride in a Pyridine Solution, Bulletin of the Chemical Society of Japan, vol. 49 (6), 1681-1685 (1976).

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