Synthesis and Characterization of Nb(OR)4[OC(O)OR] (R = Me, Et, Allyl) and Their Reaction with the Parent Alcohol To Afford Organic Carbonates
- 16 April 2003
- journal article
- research article
- Published by American Chemical Society (ACS) in Inorganic Chemistry
- Vol. 42 (10) , 3256-3261
- https://doi.org/10.1021/ic020536g
Abstract
Nb(OR)4[OC(O)OR] (R = Me, Et, allyl) compounds have been synthesized by the reaction of dimeric alkoxo complexes [Nb(OR)5]2 with CO2. The kinetics of the reaction has shown that the monomer in equilibrium with the dimer is the species that reacts with CO2. The resulting compounds are monomeric with a η2-O,O-bonded hemicarbonate group. The CO2 uptake is reversible. The hemicarbonates react with the parent alcohol to afford the relevant organic carbonate (RO)2CO with a turnover number (TON) of >2.Keywords
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