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Tropical Journal of Pharmaceutical Research
Pharmacotherapy Group, Faculty of Pharmacy, University of Benin, Benin City, Nigeria
ISSN: 1596-5996
EISSN: 1596-9827
Vol. 15, No. 2, 2016, pp. 385-392
Bioline Code: pr16051
Full paper language: English
Document type: Research Article
Document available free of charge

Tropical Journal of Pharmaceutical Research, Vol. 15, No. 2, 2016, pp. 385-392

 en Synthesis, Crystal Structure, Density Function Theory, Molecular Docking and Antimicrobial Studies of 2-(3-(4- phenylpiperazin-1-yl) propyl) isoindoline-1,3-dione
Ghabbour, Hazem A. & Qabeel, Maha M.


Purpose: To determine the exact structure and antimicrobial activity of 2-(3-(4-phenylpiperazin-1-yl) propyl) isoindoline-1,3-dione.
Methods: 2-(3- (4-Phenylpiperazin-1-yl) propyl) isoindoline-1,3-dione (C21H23N3O2) was synthesized by the reaction of phthalimide with 1,3-dibromopropane to form 2-(3-bromopropyl) isoindoline-1,3-dione, and was then treated with 1-phenylpiperazine in acetonitrile. The structure of the title compound, 2-(3- (4-phenylpiperazin-1-yl)propyl)isoindoline-1,3-dione, was characterized by proton nuclear magnetic resonance spectroscopy (NMR) and single crystal x-ray diffraction method. The target compound was tested for its antimicrobial activities and computational studies including density function test (DFT) and docking studies were performed.
Results: The crystal structure is monoclinic, P21/n, a = 10.0047 (3) Å, b = 6.0157 (2) Å, c = 30.8571 (12) Å, β = 90.105 (1) °, V = 1857.14 (11) Å3, Z = 4, wRref(F2) = 0.158, T = 296 K. The molecules are packed in the crystal structure by non-classical intermolecular C–H….O interactions. Besides HOMO– LUMO energy gap was performed at B3LYP/6-31G (d,p) level of theory. The compound exhibited good activity against S. aureus check for this species in other resources and C. albicans check for this species in other resources with zones of inhibition of 15 cm and 18 cm, respectively
Conclusion: The test compound has a moderate antimicrobial activity and the optimized molecular structure of the studied compound using B3LYP/6-31G (d,p) method showed good agreement with the reported x-ray structure.

Isoindoline-1; 3-dione; X-ray analysis; Density function theory; Antimicrobial; Molecular docking

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