Inorganic Chemistry p. 470 - 476 (1981)
Update date:2022-07-30
Topics:
Dixon, Nicholas E.
Jackson, W. Gregory
Lancaster, Martin J.
Lawrance, Geoffrey A.
Sargeson, Alan M.
Facile synthetic routes to cobalt(III) amine complexes of the labile unidentate trifluoromethanesulfonate anion (CF3SO3-), namely, Co(NH3)5(OSO2CF3)2+, cis-Co(en)2(OSO2CF3)2+, and fac-Co(dien)(OSO2CF3)3, are reported. The use of these complexes as synthetic precursors for a range of complexes involving direct solvolysis or reactions in poorly coordinating solvents such as sulfolane or acetone is described. For example, in the pentaamminecobalt(III) system, syntheses of Co(NH3)5Ln+ (L = OH2, NH3, OHCH3, OHCH2CH3, OHCH(CH3)2, NCCH3, OP(OCH3)3, OCH·N(CH3)2, OS(CH3)2, OC(NH2)2, NCNH2, -OOCCH3, -OOCCHCl2) in high yield are reported. The kinetics and the stereochemical course of aquation of the labile trifluoromethanesulfonato complexes and derivatives are reported.
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