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Howell, JAS,Lovatt, JD,McArdle, P,Cunningham, D,Maimone, E,Gottlieb, HE,Goldschmidt, Z
1998
March
Inorganic Chemistry Communications
The effect of fluorine, trifluoromethyl and related substitution on the donor properties of triarylphosphines towards [Fe(CO)(4)]
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iron complexes carbonyl complexes fluorinated phosphine complexes COMPLEXES
1
118
120
Infrared and crystallographic studies of [(CO)(4)FePAr3] complexes have been used to quantify the decreasing sigma-donor/pi-acceptorcharacter of the ligand with increasing fluorine or trifluoromethyl substitution of the aryl ring. The poor coordinating ability of o-CF3 substituted phosphines may be mimicked by o-Bu-1 substitution in the alkyl series. (C) 1998 Elsevier Science S.A. All rights reserved.
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