Hydrolysis of anhydride in the production of C.sub.5 -C.sub.9 sa

Details Hydrolysis of anhydride in the production of C.sub.5 -C.sub.9 sa Hydrolysis of anhydride in the production of C.sub.5 -C.sub.9 sa

1983-01-17

1985-07-16

Waltz, Thomas A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260546, 562531, 562606, 562607, 562608, 260419, C07C 51235, C07C 53126

Patent

active

045295506

ABSTRACT:
Improvements in efficiencies and yields are achieved in the production of a saturated aliphatic monocarboxylic acid containing 5 to 9 carbon atoms from its corresponding aldehyde by rapidly hydrolyzing the anhydride of the monocarboxylic acid formed in the oxidation. The hydrolysis is accomplished by contacting the anhydride with water at a temperature from about 130.degree. C. to about 215.degree. C. and at a pressure under which the water is maintained in the liquid state to convert the anhydride to its corresponding acid.

REFERENCES:
patent: 2355140 (1944-08-01), Bludworth
Survey of Organic Syntheses, Buehler et al., Wiley--Interscience, 1974, p. 884.
Handbook of Chemistry and Physics, 55th Edition, (1974), CRC Press, Inc., pp. C-76,-80,-411,-336,-322,-406.
Unit Process in Organic Synthesis, 5th Edition, (1958), P. H. Groggins, McGraw-Hill Book Co. Inc., pp. 770-772.

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