The -CH2- group of the 2-nitrobenzyl pendant arm of the scorpionate complex I deprotonates in basic aqueous solution (p Ka 10.6), due to the coordination of the nitronate group to the nickel(II) center. Metal coordination enhances 2-nitrobenzene acidity by 10 orders of magnitude.
Dramatically Enhanced Carbon Acidity of the Nitrobenzyl Fragment in a Nickel(II) Scorpionate Complex.
BOIOCCHI, MASSIMO;FABBRIZZI, LUIGI
;FOTI, FRANCESCO;MONZANI, ENRICO;POGGI, ANTONIO
2005-01-01
Abstract
The -CH2- group of the 2-nitrobenzyl pendant arm of the scorpionate complex I deprotonates in basic aqueous solution (p Ka 10.6), due to the coordination of the nitronate group to the nickel(II) center. Metal coordination enhances 2-nitrobenzene acidity by 10 orders of magnitude.File in questo prodotto:
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