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Photoadditions of phenylacetates to phthalimides give the corresponding benzylated hydroxyphthalimidines in moderate to high yields of 29–90%. With 2-phenylpropanoate, photoaddition affords a diastereoisomeric mixture in a de of 24% in favour of the like-diastereoisomer. l-3-Phenyl lactate and 2-oxo-3-phenylpropanoate both furnish the benzylated product through subsequent loss of formaldehyde and...
The first synthetically useful protocol of broad scope for the oxidative esterification of aldehydes with equimolar amounts of primary and secondary alcohols at room temperature catalysed by N-heterocyclic carbenes is reported.
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