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Synthesis, spectroscopic characterization, crystal structure and pharmacological properties of some novel thiophene-thiourea core derivatives Saeed, Sohail Rashid, Naghmana Ali, Muhammad Hussain, Rizwan Jones, Peter G. Thiourea derivatives Thiophene Single crystal structure determination Mass fragmentation Antifungal activity This article presents our research concerning the synthesis of new thiophene-thiourea derivatives (1-12) and their pharmacological properties. These novel thiophene-thiourea derivatives were synthesized and characterized by IR, 1H and 13C NMR spectroscopy, mass spectrometry and elemental analysis. The crystal structure of N,N-diphenyl-N'-(thiophene-2-carbonyl)-thiourea was determined from single crystal X-ray diffraction data. It crystallizes in the monoclinic space group P21 with unit cell dimensions of a=11.7469(5) Å, b=6.0849(2) Å, c=12.5792(6) Å, β= 117.736(7) ° and V = 795.8(6) Å3. The mass fragmentation pattern has also been discussed. The synthesized compounds were screened for their in vitro antifungal activities against the standard strains: C. Albicans, C. Glabrata, and C. Tropicalis. The compounds N-thiophene-N',N'-bis(dimethyl-phosphinoylmethyl)thiourea, N-[(4-nitro-1H-imidazol-2-yl)carbamothioyl]thiophene-2-carboxamide and N,N-diethyl-N'-(thiophene-2-carbonyl)-thiourea showed significant antifungal activities against microbial species. Atlanta Publishing House LLC 2010-09-29 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://www.eurjchem.com/index.php/eurjchem/article/view/124 10.5155/eurjchem.1.3.221-227.124 European Journal of Chemistry; Vol. 1 No. 3 (2010): September 2010; 221-227 2153-2257 2153-2249 eng https://www.eurjchem.com/index.php/eurjchem/article/view/124/PDF