Addition of hydroxide, alkoxide, and carboxylate anions to platinum-bonded ethylene
- 1 January 1990
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 3,p. 1019-1022
- https://doi.org/10.1039/dt9900001019
Abstract
The cation [Pt(η2-C2H4)Cl(tmen)]+(1)(tmen =N,N,N′,N′-tetramethylethylenediamine) reacts with water and alcohol under basic conditions to give nucleophilic addition of hydroxide and alkoxide anions to ethylene and formation of [Pt(CH2CH2OH)Cl(tmen)](4) and [Pt(CH2CH2OR)Cl(tmen)][R = Me (2) or Et (3)] respectively. Compound (4), either in solution or in the solid, undergoes a condensation reaction with formation of [(tmen)ClPt(CH2CH2OCH2CH2)PtCl(tmen)](5). Compound (1) reacts also with excess of acetate in water to give the ester complex [Pt{CH2CH2OC(O)Me}Cl(tmen)](6). Compound (6), in the solid state, slowly dissociates to acetate anion and cation (1), redissolution in chloroform restoring the original species. Compounds (3)–(6), dissolved in methanol, are transformed into (2).Keywords
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