乙酰丙酮镝

化合物

乙酰丙酮镝是一种配位化合物,化学式为Dy(C5H7O2)3,或简写为Dy(acac)3

乙酰丙酮镝
英文名 Tris(acetylacetonato)dysprosium
别名 三(2,4-戊二酮)镝
识别
CAS号 14637-88-8  checkY
PubChem 14455608
ChemSpider 14982472
SMILES
 
  • C/C(=C/C(=O)C)/[O-].C/C(=C/C(=O)C)/[O-].C/C(=C/C(=O)C)/[O-].[Dy+3]
性质
化学式 C15H21DyO6
摩尔质量 459.82 g·mol−1
外观 白色晶体[1]
熔点 103 °C(376 K)[1]
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

制备及性质

编辑

乙酰丙酮镝可由金属镝[2]或三氢化镝[1]乙酰丙酮反应制得。以镝阴极在乙酰丙酮乙醇溶液中电解,可以得到Dy(acac)3·EtOH·0.5Hacac(其中Hacac表示乙酰丙酮),对其加热,经Dy(acac)3·EtOH生成Dy(acac)3[3]其无水物在干燥的气氛中稳定,在潮湿空气中形成水合物。[4]它在乙腈甲醇溶液中可以形成Dy(acac)3·2CH3OH和Dy(acac)3·CH3OH·CH3CN。[5]

用途

编辑

乙酰丙酮镝可用于催化降冰片烯四氯化碳的加成反应。[6]

参考文献

编辑
  1. ^ 1.0 1.1 1.2 Janice M. Koehler, William G. Bos. A novel synthesis of some anhydrous rare earth acetylacetonates. Inorganic and Nuclear Chemistry Letters. 1967-12, 3 (12): 545–548 [2021-09-20]. doi:10.1016/0020-1650(67)80023-0 (英语). 
  2. ^ J.R. Blackborow, C.R. Eady, E.A.Koerner Von Gustorf, A. Scrivanti, O. Wolfbeis. Chemical syntheses with metal atoms. Journal of Organometallic Chemistry. 1976-03, 108 (3): C32–C34 [2021-09-20]. doi:10.1016/S0022-328X(00)92025-4. (原始内容存档于2018-06-26) (英语). 
  3. ^ Kostyuk, N. N.; Shirokii, V. L.; Vinokurov, I. I.; Maier, N. A. Electrochemical synthesis of dysprosium(III) acetylacetonate complex and its thermolysis. Zhurnal Obshchei Khimii, 1994. 64 (9): 1432-1434. ISSN 0044-460X. (俄文)
  4. ^ Trembovetskii, G. V.; Martynenko, L. I.; Murav'eva, I. A.; Spitsyn, V. Synthesis and study of volatile rare earth acetylacetonates. Doklady Akademii Nauk SSSR, 1984. 277 (6): 1411-1414. ISSN: 0002-3264. (俄文)
  5. ^ Pod'yachev, S. N.; Mustafina, A. R.; Vul'fson, S. G. Structure of tris(acetylacetonato)​dysprosium and its monoadduct with acetonitrile in a methanol solution. Zhurnal Neorganicheskoi Khimii, 1994. 39 (1): 67-70. ISSN 0044-457X. (俄文)
  6. ^ R. I. Khusnutdinov, T. M. Oshnyakova. Tetrachloromethane addition to norbornene catalyzed by lanthanide(III) compounds. Russian Journal of Organic Chemistry. 2014-02, 50 (2): 303–305 [2021-09-20]. ISSN 1070-4280. doi:10.1134/S1070428014020304 (英语).