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Gold oxidative dissolution by (thioamide)–I2adducts
2013
Dalton Transactions
Elemental gold powder is easily oxidised under mild reaction conditions with 1 : 1 I 2 -adducts of the thioamides 3-methyl-benzothiazole-2-thione (mbtt) and 1-methyl-1H-benzimidazole-2(3H)-thione (mbit) with separation of the ionic complexes [Au I (mbtt) 2 ]I 3 (1) and [(mtbiH) 2 ](AuI 4 )I 3 (2) [mtbiH = the imido protonated form of 2-(methylthio)benzimidazole] (gold oxidation yield >78% and 45%, respectively). The X-ray crystal structure of 1 shows the Au(I) centre linearly bound by two
doi:10.1039/c2dt31855e
pmid:23080271
fatcat:37qwqp54y5cp7ixzd7mnvvsjxy