Preparation of aromatic aldehydes

Details Preparation of aromatic aldehydes Preparation of aromatic aldehydes

1987-04-28

1990-07-17

Schwartz, Richard A.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546296, 546299, 546314, 546315, 568428, C07C 4549, C07D21302

Patent

active

049422405

ABSTRACT:
Aromatic aldehydes are more rapidly produced by reacting hydrogen/carbon monoxide admixture with an aromatic halide in the presence of a noble metal-based catalyst, a tertiary nitrogenous base and, if necessary, a noble metal complexing agent, e.g., a phosphine or phosphite, wherein the concentration of said tertiary nitrogenous base, expressed in moles per liter of reaction mixture, is maintained at a value of at least two moles/liter over the course of the reaction.

REFERENCES:
patent: 3960932 (1976-06-01), Heck
patent: 4536344 (1985-08-01), Fiedler et al.
patent: 4605749 (1986-08-01), Buchman

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