Ir4(CO)12 has been prepared by a two-step reductive carbonylation of IrCl3· 3H2O in ethanol or of K2IrCl6 in 2-methoxyethanol at atmospheric pressure. The iridium trichloride is first transformed into [Ir(CO)2Cl2]−, which is subsequently reduced to Ir4(CO)12. A simple method for purification of the metal carbonyl is also described.
DELLA PERGOLA, R., Garlaschelli, L., Martinengo, S. (1987). CHEMISTRY OF IRIDIUM CARBONYL CLUSTERS - PREPARATION OF IR4(CO)12. JOURNAL OF ORGANOMETALLIC CHEMISTRY, 331(2), 271-274 [10.1016/0022-328X(87)80028-1].
CHEMISTRY OF IRIDIUM CARBONYL CLUSTERS - PREPARATION OF IR4(CO)12
DELLA PERGOLA, ROBERTO;
1987
Abstract
Ir4(CO)12 has been prepared by a two-step reductive carbonylation of IrCl3· 3H2O in ethanol or of K2IrCl6 in 2-methoxyethanol at atmospheric pressure. The iridium trichloride is first transformed into [Ir(CO)2Cl2]−, which is subsequently reduced to Ir4(CO)12. A simple method for purification of the metal carbonyl is also described.
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