## Abstract The anomalous course of ^14^CO~2~ incorporation observed in the thermal transformation of disodium adipate was studied. It has been established that the thermal transformation of butaneβ1,1,4βtricarboxylic acid trisodium salt is accompanied by intramolecular 1β4 transfer of carboxyl gro
Carboxyl group -CO2 exchange in the thermal decomposition of aliphatic dicarboxylic acid salts
β Scribed by A. Szabolcs; J. Szammer
- Publisher
- John Wiley and Sons
- Year
- 1974
- Tongue
- French
- Weight
- 244 KB
- Volume
- 10
- Category
- Article
- ISSN
- 0022-2135
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β¦ Synopsis
Abstract
The exchange reaction of carboxyl groups with carbon dioxide has been studied in thermal decomposition of aliphatic dicarboxylic acid disodium salts. It has been found that exchange takes place under given experimental conditions. In some cases the process results in considerable exchange even in lower conversion ranges therefore it is of significance in the field of isotopes techniques.
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Diphenyliodonium tetrafluoroborate and diphenyliodonium hexafluorophosphate have been found to generate u p to two equivalents of hydrogen fluoride per equivalent of the iodonium salt by pyrolysis at 239Β°C in the neat state and at 150Β°C in the presence of anisole or nitrobenzene. The formation of hy
## Abstract The course of carboxyl group exchange in the thermal decomposition of a mixture of disodium adipate and pimelate has been studied using ^14^Cβlabelled compounds. The exchange data obtained from the residual acide and ketone formed point to two different incorporation processes. This phe