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Regio- and stereoselectivity in long-range asymmetric induction controlled by carbonyliron groups: crystal structures of dicarbonyl-L-[(1,2,3,4,5-eta)-1-R-4-methoxycyclohexadienyl]iron(1+) hexafluorophosphate(1-) [(R = isopropenyl, L = CO), (R=1-styryl, L = CO), (R=1-prop-1-enyl, L = PPh3)] and tricarbonyl[methyl(2,3,4,5-eta)-2-carbomethoxy-2-(4-methoxy-1-(1 '-methylethenyl)cyclohexadien-1-yl)ethanoate]iron(0)


Reference:

Hudson, R. D. A., Anson, C. E., Mahon, M. F. and Stephenson, G. R., 2001. Regio- and stereoselectivity in long-range asymmetric induction controlled by carbonyliron groups: crystal structures of dicarbonyl-L-[(1,2,3,4,5-eta)-1-R-4-methoxycyclohexadienyl]iron(1+) hexafluorophosphate(1-) [(R = isopropenyl, L = CO), (R=1-styryl, L = CO), (R=1-prop-1-enyl, L = PPh3)] and tricarbonyl[methyl(2,3,4,5-eta)-2-carbomethoxy-2-(4-methoxy-1-(1 '-methylethenyl)cyclohexadien-1-yl)ethanoate]iron(0). Journal of Organometallic Chemistry, 630 (1), pp. 88-103.

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Abstract

The synthesis of alkenyl-extended cyclohexadienyliron complexes is described and reactions are reported demonstrating that regio- and stereoselective funetionalisation can be controlled by the judicious choice of nucleophile, alkali metal counterion and ligand set at iron. The crystal structures of tricarbonyl[(1,2,3,4,5-eta)-1-(1'-methylethenyl)-4-methoxycyclohexadieny l]iron(1 +) hexafluorophosphate(1 -), tricarbonyl[(1,2,3,4,5-eta)-1-(ethenyl-1'-phenyl)-4-methoxycyclohexadien yl]iron(1 +) hexafluorophosphate(1-), (E)-dicarbonyl[(1,2,3,4,5-eta)-1-(2'-methylethenyl)-4-methoxycyclohexadi enyl]triphenylphosphineiron(1 +) hexafluorophosphate(1 -), tricarbonyl[methyl(2,3,4,5-eta)-2-carbomethoxy-2-(4-methoxy-1-(1'-methyl ethenyl)cyclohexadien-1-yl)ethanoate]-iron(0), are reported. The stereochemical course of along-range relay of chirality controlled by the carbonyliron group is proven. (C) 2001 Elsevier Science B.V. All rights reserved.

Details

Item Type Articles
CreatorsHudson, R. D. A., Anson, C. E., Mahon, M. F. and Stephenson, G. R.
DepartmentsFaculty of Science > Chemistry
RefereedYes
StatusPublished
ID Code5213
Additional InformationID number: ISI:000170934300012

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