Discipline: Chemistry and Chemical Sciences
Subcategory: Chemistry (not Biochemistry)
Akil Mondie - University of the District of Columbia
Co-Author(s): Dana Rhea, Jade Wither, Xueqing Song
Diprotic thiolcarboxylic acids have been reported to form non-polymeric ionic 5-membered cyclic stannates with triphenyltin hydroxide in the presence of an amine. As non-polymeric ionic triphenyltin complexes may have better water solubility, the purpose of this project is to explore the structural features of the diprotic acids in the synthesis of non-polymeric ionic triphenyltin complexes. We designed the experiments to test if an ionic 6-membered cyclic stannate would be formed when mercaptonicotinic acid and mercaptosuccinic acid are used. Preliminary data from IR and NMR spectroscopic studies showed that a non-ionic bistriphenyltin mercaptonicotinate was formed in the reaction of mercaptonicotinic acid and triphenyltin hydroxide in the presence of an amine, confirming the failure in forming the ionic 6-membered cyclic stannate, while in a similar reaction of mercaptosuccinic acid, no evidence showed the formation of either 5 or 6-membered ionic triphenyltin thiolcarboxylate, trans-TBP polymeric complexes was formed instead. This supports that 6-membered stanna ring is unfavorable, and polymeric structure is favored for long carbon-chained dicarboxylic acid. Further investigation on the water solubility of these synthesized triphenyltin derivatives.
Funder Acknowledgement(s): UDC STEM Center; SF/HBCU-UP- HRD162811162281
Faculty Advisor: Xueqing Song, firstname.lastname@example.org
Role: Synthesis of experiment products