Synthesis and Characterization of New Schiffs Bases Derived from D-Erythroascorbic Acid and Pyrimidines

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A. A. Mukhlus M.S. Al-Rawi J. H. Tomma A. H. Al-Dujaili

Abstract

   The new C-5 schiff bases derived from D-erythroascorbic acid contaning pyrimidine unit were synthesized by condensation of D-erythroascorbic acid with aromatic amine (containing pyrimidine unit)in dry benzene using glacial acetic acid as a catalyst.               D-erythroascorbic acid was synthesized by four steps(Schem 1), while the aromatic amine which is containing oxopyrimidine or thiopyrimidine synthesized by the reaction of chalcone urea or thiourea in acid or basic medium, respectively  .              The structure of synthesized compounds have been characterized by their melting points , FTIR , UV-Vis and 1HNMR spectroscopy . All the synthesized compounds have been screened for their antibacterial activities.  They exhibited good antibacterial activity against Escherichia coli (G-) and Staphylococus aureus (G+) , while the compounds [V]b , [VI]b and [VII]b did not show any biological activity against this type of bacteria.

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How to Cite
MUKHLUS, A. A. et al. Synthesis and Characterization of New Schiffs Bases Derived from D-Erythroascorbic Acid and Pyrimidines. Ibn AL- Haitham Journal For Pure and Applied Science, [S.l.], v. 24, n. 2, may 2017. ISSN 2521-3407. Available at: <http://jih.uobaghdad.edu.iq/index.php/j/article/view/768>. Date accessed: 18 sep. 2019.
Section
Chemistry