Abstract:
This invention concerns a process for purifying crude oximes containing carbonyl and/or chlorine contaminants comprising treating said crude oximes with a basic reagent such as the metal oxides, carbonates and alcoholates of Groups IA and IIA of the Periodic Table to decompose the contaminants and separating the purified oxime from the impurities preferably by molecular distillation.
Abstract:
THERE IS PROVIDED O-POLYALKOXYLATED HIGH MOLECULAR WEIGHT N-ALKANONE AND N-ALKANAL OXIMES CORRESPONDING TO THE FORMULA:
R-C(-R'')=N-O-(CH(-R")-CH(-R"'')-O)X-H
BY CONTACTING AN N-PARAFFIN OXIME WITH A BASE, AND THEREAFTER REACTING THE OXIME WITH AN OXIRANE IN THE SUBSTANTIAL ABSENCE OF WATER. THE HIGH MOLECULAR WEIGHT NALKANONE AND N-ALKANAL OXIMES PROVIDED HEREIN ARE USEFUL AS NONIONIC SURFACTANTS, A BIODEGRADABLE DETERGENTS, AS CHEMICAL INTERMEDIATES IN THE PRODUCTION OF ANIONIC DETERGENTS, AS LUBRICATING OIL ADDITIVES, AND AS ANTIRUST AND ANTI-ICING ADDITIVES IN FUELS.