Improved process for preparing p-nitrobenzoic acid-2-ethylhexyl ester
AssigneeBASF SE
InventorsPeter LEIDINGER, Thomas BERG, Helmut KRONEMAYER, Joerg WERLE
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Abstract
The present invention relates to a process for preparing p-nitrobenzoic acid-2-ethyl hexylester comprising reacting p-nitrobenzoic acid, wherein an excess of 2-ethylhexanol acts as solvent and no additional solvent is added, or p-nitrobenzoic acid and 2-ethylhexanol are provided in equimolar amounts and no additional solvent is added, or 2-ethylhexanol is provided in substoichiometric amounts and no additional solvent is added. Further, the present invention relates to the p-nitrobenzoic acid-2-ethyl hexylester obtained by the process and having high purity and optimum product properties.
Claims18
-16. (canceled)
A process for preparing p-nitrobenzoic acid-2-ethyl hexylester comprising reacting p-nitrobenzoic acid with 2-ethylhexanol, wherein
- (a) an excess of 2-ethylhexanol acts as solvent and no additional solvent is added;
- or
- (b) p-nitrobenzoic acid and 2-ethylhexanol are provided in equimolar amounts and no additional solvent is added;
- or
- (c) 2-ethylhexanol is provided in substoichiometric amounts and no additional solvent is added.
A P-Nitrobenzoic acid-2-ethyl hexylester having a purity of at least 94% by weight.
Dependencies are inferred from the claim text.