Process for the preparation of .alpha.,.omega.-diamines (US Patent 5055618)

Patent number: 5055618 Granted: 1991-10-08 Filed: 1990-05-21 Inventors: Detlef Kampmann (Bochum, DE); Jurgen Weber (Oberhausen, DE); Claus Kniep (Oberhausen, DE) Assignees: Hoechst Aktiengesellschaft (DE)

Abstract

The object of this invention is the preparation of .alpha.,.omega.-diamines from .alpha., .omega.-dialdehydes in a method which comprises the reaction of a starting mixture of said dialdehyde, a primary amine, and water to form a reaction mixture, followed by treatment of said reaction mixture with