This paper is concerned with the preparation of eight new imines by standard methods; These having syn oxime and Schiff base structures. They are derived from aromatic aldehydes with suitable primary amines, depending on their structures. This investigation deals with studying structure of imines by chemical and physical methods, (I.R, U.V and H1NMR) spectra and melting points .This studying led to diagnose the intra and inter molecular hydrogen bonding in these imines, using dilution method by the aid of I.R spectra. Moreover, the influences of hydrogen bonds on the association process in these imines and their relationship with melting points were also determined.