Process for preparing a compound comprising at least one imine function by a specific condensation reaction and particular application of this process to the field of coloring

摘要

The invention relates to a method of manufacturing a compound comprising at least one imine group, said method comprising a step of reaction between a first compound comprising at least one amine group and a second compound comprising at least one carbonyl group, said reaction step being carried out in the presence of at least one supercritical fluid.