Method for making isobutyric acid

Details Method for making isobutyric acid Method for making isobutyric acid

1988-10-20

1993-06-08

Dees, Jose G.

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

Organic compounds

Carboxylic acids and salts thereof

560233, C07C 5114

Patent

active

052181456

ABSTRACT:
In the manufacture of isobutyric acid or its precursors or esters by the Koch synthesis from propylene, carbon monoxide, and, optionally, water or an alcohol in liquid hydrogen fluoride, the reaction mixture is maintained at a constant reaction temperature in a heat exchanger using an addition product of at least two of the aforementioned materials, preferably isopropanol, as a coolant.

REFERENCES:
patent: 2154795 (1939-04-01), Westenberg
patent: 4452999 (1984-06-01), Besecke et al.
patent: 4590293 (1986-05-01), Pascoe
patent: 4647696 (1987-03-01), Besecke et al.
patent: 4791227 (1988-12-01), Neumann et al.
New Synthesis with Carbon Monoxide, edited by J. Falbe, Springer-Verlag, Berlin, 1980 pp. 372-374.

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