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Novel 1,3-oxazepine derivatives have been synthesis via (2+5) cycloaddition reaction of imines and selected cyclic carboxylic acid anhydrides by refluxing in dry benzene. Imines have been prepared by thermal condensation of 4-methyl aniline and para substituted benzaldehyde in absolute ethanol under reflux conditions. The structure of the target compounds were Identified by some physical properties and spectral data of FT-IR and 1H-NMR.

maǧallaẗ ʻulūm al-mustanṣiriyyaẗ/mustansiriyah journal of science

Preparation and Identification of Novel 1, 3-Oxazepine Derivatives by Cycloaddition Reactions [2+5] of Selected Carboxylic Acid Anhydrides with Imines Derived from 4-methyl aniline