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Gold compounds are compounds by the element gold (Au). Although gold is the most noble of the noble metals , [ 1 ] [ 2 ] it still forms many diverse compounds. The oxidation state of gold in its compounds ranges from −1 to +5, but Au(I) and Au(III) dominate its chemistry.
Pages in category "Gold compounds" The following 13 pages are in this category, out of 13 total. This list may not reflect recent changes. ...
Organogold chemistry is the study of compounds containing gold–carbon bonds. They are studied in academic research, but have not received widespread use otherwise. The dominant oxidation states for organogold compounds are I with coordination number 2 and a linear molecular geometry and III with CN = 4 and a square planar molecular geometry.
The use of gold compounds has decreased since the 1980s because of numerous side effects and monitoring requirements, limited efficacy, and very slow onset of action. Most chemical compounds of gold, including some of the drugs discussed below, are not salts, but are examples of metal thiolate complexes.
Gold(III) oxide (Au 2 O 3) is an inorganic compound of gold and oxygen with the formula Au 2 O 3.It is a red-brown solid that decomposes at 298 °C. [3]According to X-ray crystallography, Au 2 O 3 features square planar gold centers with both 2- and 3-coordinated oxides.
Nitratoauric acid, hydrogen tetranitratoaurate, or simply called gold(III) nitrate is a crystalline gold compound that forms the trihydrate, HAu(NO 3) 4 ·3H 2 O or more correctly H 5 O 2 Au(NO 3) 4 ·H 2 O. [3] [2] This compound is an intermediate in the process of extracting gold. [4] In older literature it is also known as aurinitric acid. [5]
Triphenylphosphinegold(I) chloride is a popular stable precursor for a cationic gold(I) catalyst used in organic synthesis. [3] Typically, it is treated with silver(I) salts of weakly coordinating anions (e.g., X – = SbF 6 –, BF 4 –, TfO –, or Tf 2 N –) to generate a weakly bound Ph 3 PAu–X complex, in equilibrium with the catalytically-active species [Ph 3 PAu] + X – in solution.
Gold(V) fluoride is the inorganic compound with the formula Au 2 F 10. This fluoride compound features gold in its highest known oxidation state . This red solid dissolves in hydrogen fluoride but these solutions decompose, liberating fluorine.
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