Diorganyl diselenide-clubbed quaternary purines as corrosion inhibitors
AssigneeKing Faisal University
InventorsSaadeldin Elsayed Ibrahim Shabaan, Hany Mohamed Abd El-Lateef Ahmed, Tarek Ahmed Yousef, Ahmed S. M. Aljanabi
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Abstract
New diorganyl diselenide-clubbed quaternary purine are described herein, as well as the use of such diorganyl diselenide compounds in forming anticorrosion coatings for metal. Also described are methods for forming the new diorganyl disleenides compounds as well as anti-corrosion coatings containing the diorganyl disleenides compounds.
Claims7
A method of making a diorganyl diselenide-clubbed quaternary purine having a formula I:
- wherein:
- R1 and R2 are independently selected from the group consisting of C2-C3 alkyl and
- R3 is selected from the group consisting of H, COOMe, and COOEt, and
- R4 is selected from the group consisting of hydrogen, 4-NO2—C6H4, 4-F2—C6H4, and 4-MeO—C6H4;
- the method comprising:
- combining a guanine base, benzaldehyde, and dimethylsulfoxide (DMSO) to provide a solution;
- adding methyl iodide to the solution;
- and
- adding zirconium (IV) chloride and a diselenide compound to the solution to provide the diorganyl diselenide-clubbed quaternary purine in the solution.
A method of making a diorganyl diselenide-clubbed quaternary purine of selected from the group consisting of:
- and
- the method comprising:
- preparing a mixture including guanine and benzaldehyde;
- adding the mixture to zirconium (IV) chloride in dimethylsulfoxide (DMSO) to provide a solution;
- adding methyl iodide to the solution;
- and
- adding a diselenide compound to the solution to provide the diorganyl diselenide-clubbed quaternary purine.
A method of making a diorganyl diselenide-clubbed quaternary purine, comprising:
- preparing a solution including a guanine base, benzaldehyde, and dimethylsulfoxide (DMSO);
- adding methyl iodide to the solution;
- and
- adding zirconium (IV) chloride and a diselenide compound to the solution to provide the diorganyl diselenide-clubbed quaternary purine in the solution;
- wherein the diorganyl diselenide-clubbed quaternary purine is selected from the group consisting of 1,2-bis(4-isocyanophenyl) diselane and dimethyl 5,5′-diselanediylbis(2-isocyanobenzoate).
Dependencies are inferred from the claim text.