Unexpected formation of the isopropylamine complex [2,3,4,5-Ph-4(eta(4)-C4CO)](CO)(2)Ru(H2NCHMe2) in the attempted synthesis of an isopropyl alcohol complex
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- Title
- Unexpected formation of the isopropylamine complex [2,3,4,5-Ph-4(eta(4)-C4CO)](CO)(2)Ru(H2NCHMe2) in the attempted synthesis of an isopropyl alcohol complex
- Authors
- Casey, CP; Bikzhanova, GA; Backvall, JE; Johansson, L; Park, J; Kim, YH
- Date Issued
- 2002-04-29
- Publisher
- AMER CHEMICAL SOC
- Abstract
- The reaction of [2,3,4,5-Ph-4(eta(4)-C4CO)]Ru(CO)(3) (5a) with Na2CO3 in aqueous acetone followed by low-temperature treatment with NH4Cl was reported to give the material A, which was formulated as the isopropyl alcohol complex [2,3,4,5-Ph-4(eta(4)-C4CO)](CO)(2)Ru(HOCHMe2) (3a). Reinvestigation of this reaction indicates that A is instead the isopropylamine complex [2,3,4,5-Ph-4(eta(4)-C4CO)](CO)(2)Ru(H2NCHMe2) (4a). The formation of 4a is proposed to occur by formation of the imine of acetone followed by reduction of the imine by the (hydroxycyclopentadienyl)ruthenium hydride [2,3,4,5-Ph-4(eta(5)-C4COH)]Ru(CO)(2)H (2a) formed in the reaction of 5a with Na2CO3 in aqueous acetone and subsequent acidification with aqueous NH4Cl.
- Keywords
- DYNAMIC KINETIC RESOLUTION; RUTHENIUM COMPLEXES; SECONDARY ALCOHOLS; HYDROGEN-TRANSFER; CATALYSIS; HYDRIDE; ACID
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/19102
- DOI
- 10.1021/OM020097T
- ISSN
- 0276-7333
- Article Type
- Article
- Citation
- ORGANOMETALLICS, vol. 21, no. 9, page. 1955 - 1959, 2002-04-29
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