ISSN : 0970 - 020X, ONLINE ISSN : 2231-5039
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Abstract

Synthesis, Characterization and Structural Study of New Ethyl Thiourea Compounds and the Preliminary Naked-Eye Sensors for Mercury (Hg) and Argentum (Ag) Metal Ions  

Siti Aishah Hasbullah, Syahidatul Munirah Raffik, Nurnadzirah Mat Noh, Emma Izzati Zakariah, Fatimatul Akma Awang Ngah, Hamza Milad Abosadiya and Bohari Yamin  

DOI : http://dx.doi.org/10.13005/ojc/330227


Abstract:

Novel ethyl thiourea compounds 1a – 1f have been synthesized in good to high yields. The structure of all compounds was identified using FT-IR, 1H NMR, 13C NMR, and ESI-Mass. The compound 1-ethyl-3-(3-methoxyphenyl) thiourea 1d was obtained in crystalline form by recrystallization from DMSO. However, single crystal X-ray analysis revealed that the 1d molecule crystallized in a monoclinic crystal system with space group of P21/n and the unit cell dimensions are a = 11.0797(7) Å, b = 8.6081(6) Å, c = 11.9698(7) Å, α = 90°, β =104.543(2)°, γ = 90°, Z = 4 and V = 1105.04(12) Å3. The preliminary optical sensor properties for metal ions of 1a – 1f were investigated using naked-eye. The results determined that all compounds have the ability as naked eye sensors for mercury (Hg) and argentum (Ag) metal ions.

Keywords:

Synthesis; Structural study; Ethyl Thiourea; Naked-eye Sensors

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