Synthesis, Crystallographic, Monoclinic, Inflexible, Antifungal Assessment of Schiff Based Resin. | [Sindh University Research Journal • 2019]

Author(s):

1. N. L. RAJPUT: Dr. M. A. Kazi Institute of Chemistry University of Sindh,Jamshoro, Pakistan

2. M. A. MOGHAL: Dr. M. A. Kazi Institute of Chemistry University of Sindh,Jamshoro, Pakistan

3. A. H. MOGHAL: DEAN Faculty of Natural Science, University of Sindh, Jamshoro, Pakistan

4. K. M. KHAN: H. E. J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Pakistan

5. A. BALOUCH: National Center of Excellence of Analytical Chemistry, University of Sindh, Jamshoro, Pakistan

6. KANWAL: National Center of Excellence of Analytical Chemistry, University of Sindh, Jamshoro, Pakistan

Abstract:

The present study investigates the preparation of a newly prepared Schiff base BHNMXD and Schiff based resin PMBHNMXD via polymerization. The condensation or polymerization procedure was used with formaldehyde (HCHO) at temperature 70 to 80 °C for 2-3 h. The prepared Schiff base BHNMXD and its respective resinPMBHNMXD were recrystallized from methanol to attain pure resin. After successful synthesis of Schiff base and resin was characterized by different instrumental techniques such as; CHN, elemental microanalysis, thermogravimetric analysis (TGA) studies of Schiff based resin, energydispersive x-ray spectroscopy EDS mass spectrometry, E.I-MS (electron impact ionization), 1HNMR spectroscopy and MALDITOF mass spectrometry clearly investigated the molecular weight and structural information of synthesized compounds. The FT-IR spectra of resin PMBHNMXD showed stronger absorption band at 1632 cm-1 of azomethine >C=NH confirming the compound formation. The SEM analysis showed the morphology of Schiff base and resin showing, longitudinal spherical rough, inflexible and rigid structure. The structures and components were carefully investigated by X-ray diffraction .The crystallographic evaluation of Schiff base and its resin, aproved the monoclinic sharp crystalline structure. These active materials have shown high efficiency against the antifungal growth of Aspergillus Flavus (G-ve), Candida albicans (G-ve) and Aspergillus Niger (G-ve),by agar well diffusion method.

Page(s): 249-258

DOI: DOI not available

Published: Journal: Sindh University Research Journal, Volume: 51, Issue: 2, Year: 2019

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