A Mitsunobu-based protocol has been developed for the synthesis of symmetrical and unsymmetrical dialkylcarbonates from a variety of primary, secondary and tertiary alcohols using gaseous carbon dioxide, in good to excellent yields. This protocol is mild and efficient compared to other reported methods.
[Parrott, Andrew J.; Bourne, Richard A.; Gooden, Peter N.; Poliakoff, Martyn; Irvine, Derek J.; Bevinakatti, Han. S. Organic Process Research and Development, 2010 , vol. 14, # 6 p. 1420 - 1426]