Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Mechanism of the Thermal Rearrangement of Potassium Phthalate and the Carboxylation of Potassium Benzoate; K MEKHANIZMU TEPMICHESKOI PEREGRUPPIROVKI FTALEVOKISLOGO KALIYA I KARBOKSILIROVANIYA BENZOINOKISLOGO KALIYA

Technical Report ·
OSTI ID:4286619
The reaction mechanism of the thermal rearrangement of potessium phthalate to potassium terephthalate and the thermal carboxylation of potassium benzoate to potassium terephthalate was studied by tracer techniques. A mechanism was proposed which resulted from the observation that when potassium phthalate is subjected to rearrangement in the presence of one equivalent C/sup 14/O/sub 2/, the resulting terephthalic acid contains half the original activity. There is a statistical exchange between one carboxyl group and carbon dioxide. A mechanism for the carboxylation is proposed frona that fact that from a reaction mixture containing two equivalents of potassiura benzoate and one equivalent C/ sup 14/O/sub 2/ benzoic acid having only one-third of the specific activity and terephthalic acid having two-thirds of the specific activity were isolated. (J.S.R.)
Research Organization:
Czechoslovakia
NSA Number:
NSA-13-006408
OSTI ID:
4286619
Report Number(s):
A/CONF.15/P/2125
Country of Publication:
Country unknown/Code not available
Language:
English