Production method of alien immigrant

摘要

The present invention is characterized by reacting an amine of general formula (II) with an aldehyde of general formula (III) at -30 ° C to + 50 ° C in the presence of an organic solvent that is substantially incompatible with water. To a novel process for preparing aliphatic imine.;In the above formula,;Each R ¹ is optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkylalkyl, arylalkyl or heteroarylalkyl,;R ² is optionally substituted alkyl.