Mohammed, H., Attia, S., nessim, M., Shaaban, M., El-Bassoussi, A. (2019). Studies On Some Thiazolidinones As Antioxidants For Local Base Oil. Egyptian Journal of Chemistry, 62(7), 16-17. doi: 10.21608/ejchem.2019.6662.1560
Hoda Abdelazeem Mohammed; Sayed K Attia; Maher ibrahim nessim; Mohamed El-Badry Shaaban; Ali Ahmed El-Bassoussi. "Studies On Some Thiazolidinones As Antioxidants For Local Base Oil". Egyptian Journal of Chemistry, 62, 7, 2019, 16-17. doi: 10.21608/ejchem.2019.6662.1560
Mohammed, H., Attia, S., nessim, M., Shaaban, M., El-Bassoussi, A. (2019). 'Studies On Some Thiazolidinones As Antioxidants For Local Base Oil', Egyptian Journal of Chemistry, 62(7), pp. 16-17. doi: 10.21608/ejchem.2019.6662.1560
Mohammed, H., Attia, S., nessim, M., Shaaban, M., El-Bassoussi, A. Studies On Some Thiazolidinones As Antioxidants For Local Base Oil. Egyptian Journal of Chemistry, 2019; 62(7): 16-17. doi: 10.21608/ejchem.2019.6662.1560
Studies On Some Thiazolidinones As Antioxidants For Local Base Oil
1Analysis and evaluation department,Egyptian petroleum research institute (EPRI),Cairo,Egypt
2Analysis and evaluation department, Egyptian petroleum research institute (EPRI),Cairo, Egypt
3Egyptian Petroleum Research Institute
4Department of chemistry, faculty of science Ain sham university.
5Analysis and Evaluation Department,Egyptian Petroleum research institute,Cairo,Egypt.
Receive Date: 15 December 2018,
Revise Date: 14 January 2019,
Accept Date: 22 January 2019
Abstract
In this work, 5 Thiazolidinone derivatives of the type 5-benzylidene -2-(1-piperidinyl)-4-oxo-1,3-thiazolidine (101), 5-(4-butoxybenzylidene)-2-(1-piperidinyl)-4-oxo-1,3-thiazolidine (102), 5-(4-hexyloxybenzylidene)-2-(1-piperidinyl)-4-oxo-1,3-thiazolidine (103), 5-(4-octyloxybenzylidene)-2-(1-piperidinyl)-4-oxo-1,3-thiazolidine (104) and 5-(4-decyloxybenzylidene)-2-(1-piperidinyl)-4-oxo-1,3-thiazolidine (105) are synthesized and characterized using conventional tools analyses. They are tested as antioxidants for local base stock and the efficiency of these compounds, as antioxidants, was monitored through studying the change in total acid number and viscosity, the results reveal that the efficiency order is ranked as follows 105> 104> 103> 102> 101. The quantum chemical parameters such as the lowest unoccupied molecular orbital (LUMO), the highest occupied molecular orbital (HOMO) energy levels and the energy gap (EHOMO-ELUMO) were calculated. The experimental results were on the same line with the quantum chemical calculations.
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