Author(s): Jehan Yahya Al-Hamidi, Abdulhamed Ahmed Alsaygh and Ibrahum Mahmoud Al-Najjar
Article publication date: 2015-03-01
Vol. 33 No. 1 (yearly), pp. 1-11.
488
Keywords
Thiazoles, Imines, Azomethine, Stereochemistry, IR, UV, 1H-, 13C-NMR, Chemical shifts.
Abstract
IR،UV1،H- and 13C-NMR chemical shifts are reported for a series of 20 imines Ar(X)CH=R (R’ = thiazole derivatives, thiadiazole and benzothiazole). The stereochemistry of the imines were determined through their NMR spectral data. The imines were found to exist in solution as only a single E-isomer at ambient temperature. Interestingly ،the carbon-13 shifts for azomethine group (imines) (CH=N) carbons which are affected by both (X) and (Y) substituents. UV and IR spectra of some of the title compounds are also reported.