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Ruthenium(III) acetylacetonate
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Ruthenium(III) acetylacetonate : ウィキペディア英語版
Ruthenium(III) acetylacetonate

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Ruthenium(III) acetylacetonate is a coordination complex with the formula Ru(O2C5H7)3. O2C5H7)3 is the ligand called acetylacetonate. This compound exists as a dark violet solid that is soluble in most organic solvents.〔R.C. Mehrotra, R. Bohra, and D.P. Gaur "Metal β-Diketonates and Allied Derivatives", 1st ed.; Academic Press inc.: New York, 1978. ISBN 0-12-488150-5.〕 It is used as a precursor to other compounds of ruthenium.
==Preparation==
In 1914 tris(acetylacetonato)ruthenium (III) was first prepared by the reaction of ruthenium(III) chloride and acetylacetone in the presence of potassium bicarbonate. Since then, alternative synthetic routes have been examined, but the original procedure remains useful with minor variations:
:RuCl3•3H2O + MeCOCH2COMe → Ru(acac)3 + 3 HCl + 3 H2O

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