Inorganic Chemistry
Inorganic Chemistry
5 years ago

Pertechnetate-Induced Addition of Sulfide in Small Olefinic Acids: Formation of [TcO(dimercaptosuccinate)2]5– and [TcO(mercaptosuccinate)2]3– Analogues

Pertechnetate-Induced Addition of Sulfide in Small Olefinic Acids: Formation of [TcO(dimercaptosuccinate)2]5– and [TcO(mercaptosuccinate)2]3– Analogues
Jakob Baumeister, Daniel Velazquez, Rachel Seibert, Carol A. Deakyne, Silvia S. Jurisson, Wei Wycoff, Kimberly M. Reinig, John E. Adams, Firouzeh Najafi Khosroshahi, Jeff Terry
Pertechnetate (99TcO4−) reacts with sulfide to form 99Tc2S7 except in the presence of olefinic acid (e.g., fumaric acid), in which case the sulfide adds across the double bond (only in the presence of 99TcO4−). The products formed are either monomercaptosuccinic acid (pH 4), dimercaptosuccinic acid (pH 9), or both chelated to the 99TcO3+ core. NMR (various 2D), X-ray absorption spectroscopy (XANES and EXAFS), and computational studies were used for product identification.

Publisher URL: http://dx.doi.org/10.1021/acs.inorgchem.7b02001

DOI: 10.1021/acs.inorgchem.7b02001

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