Published in
Royal Society of Chemistry, Chemical Communications, 10, p. 1118
DOI: 10.1039/b516818j
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The unexpected reactivity of Zeise's anion in strong basic medium discloses new substitution patterns at the platinum centre
Journal article published in 2006 by
Michele Benedetti 
,
Francesco P. Fanizzi ,
Luciana Maresca,
Giovanni Natile
,
Francesco P. Fanizzi ,
Luciana Maresca,
Giovanni Natile
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Abstract
Zeise's anion in strongly basic hydroxylated solvents undergoes unprecedented nucleophilic addition of OR- (R = H, Me, Et) to the eta2-ethene giving trans-[PtCl2(eta1-C2H4OR)(OR)]2- which readily reacts with bidentate nitrogen donors N-N to give Cl- and OR- substitution and formation of [PtCl(CH2CH2OR)(N-N)]. Protonolysis of this stable organometallic species offers a versatile route to cationic [PtCl(eta2-C2H4)(N-N)]+ complexes.