Benzotriazole esters formed in situ were found to be efficient
intermediates in the esterification of tertiary alcohols using 4-(dimethylamino)pyridine
(DMAP) as the base. These mild and basic reaction conditions allow
the conversion of various substrates into esters in good yield.
esterification - hindered alcohols - 1-hydroxybenzotriazole - carbodiimides - hydrotalcites