Synthesis of new CO2-soluble ruthenium(II) and cobalt(II) polypyridine complexes bearing fluorinated alkyl chains and their application to photoreduction of liq. CO2

Eight types of new CO2-soluble or CO2-philic ruthenium(II) and cobalt(II) polypyridine complexes, namely, [M(F84OPh)(3)](BArF)(2), [M(F44OPh)(3)](BArF)(2), [M(F62Ph)(3)](BArF)(2), and [M(F62O)(3)](BArF)(2) (M = Ru or Co, BArF: tetrakis[3,5-bis(trifluoromethyl)phenyl]borate), were prepared from bipyr...

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Bibliographic Details
Published inJournal of fluorine chemistry Vol. 131; no. 9; pp. 915 - 921
Main Authors Hirose, Takuji, Shigaki, Shuhei, Hirose, Makoto, Fushimi, Atsushi
Format Journal Article
LanguageEnglish
Published LAUSANNE Elsevier 01.09.2010
Subjects
Chemistry
Chemistry, Inorganic & Nuclear
Chemistry, Organic
Physical Sciences
Science & Technology
CATALYSIS
Liq. CO2
PURIFICATION
Photoreduction
CO2-soluble
Ru(II) and Co(II) polypyridine complexes
CARBON-DIOXIDE
Fluorinated alkyl chain
WATER
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Summary:Eight types of new CO2-soluble or CO2-philic ruthenium(II) and cobalt(II) polypyridine complexes, namely, [M(F84OPh)(3)](BArF)(2), [M(F44OPh)(3)](BArF)(2), [M(F62Ph)(3)](BArF)(2), and [M(F62O)(3)](BArF)(2) (M = Ru or Co, BArF: tetrakis[3,5-bis(trifluoromethyl)phenyl]borate), were prepared from bipyridine derivatives bearing highly fluorinated alkyl chains and applied to the photoreduction of liq. CO2 under a high pressure of 6.8 MPa at 35 degrees C. All these complexes have higher philicity toward lig. CO2 than the corresponding complexes with PF6- as the counteranion. Using the Ru(II)-Co(II) systems of [M(F44OPh)(3)](BArF)(2) and [M(F62O)(3)](BArF)(2), direct photoreduction of CO2 was achieved without the use of any organic solvent. (C) 2010 Elsevier B.V. All rights reserved.
ISSN:0022-1139
1873-3328
DOI:10.1016/j.jfluchem.2010.06.005