Derivatives of 2-thiohydantoin as spectrophotometric analytical reagents

Autor:	R.Garcia Villanova, F. Pino, J. L. Gómez Ariza, M. T. Montaña González
Rok vydání:	1978
Předmět:	Metal chemistry.chemical_compound Aqueous solution chemistry visual_art Reagent Pyridine Inorganic chemistry visual_art.visual_art_medium Analytical Chemistry Ion
Zdroj:	Talanta. 25:331-337
ISSN:	0039-9140
DOI:	10.1016/0039-9140(78)80137-4
Popis:	The synthesis, characteristics, properties and reaction with metallic ions of four pyridine derivatives of 2-thiohydantoin have been studied. 5-(2-Pyridyl)methylene-2-thiohydantoin, 5-(6-methyl-2-pyridyl) methylene-2-thiohydantoin, 5-(di-2-pyridyl)methylene-2-thiohydantoin and 5-[1-(2-pyridyl)-1-methyl] methylene-2-thiohydantoin have been synthesized. The substances exhibit three pK values in aqueous solution and with Ag(I), Au(III), Cu(II), Pd(II) and Zn(II) form complexes with high molar absorptivities.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6df12146d5751aa7e13b1662968b1172 https://doi.org/10.1016/0039-9140(78)80137-4 Zobrazit plný text záznamu