- Addition of boranes to N-aryl-salicylaldimines: intramolecular hydrogenation of imines.
Addition of boranes to N-aryl-salicylaldimines: intramolecular hydrogenation of imines.
Dalton transactions (Cambridge, England : 2003) (2011-03-25)
Stephanie S Barnes, Christopher M Vogels, Andreas Decken, Stephen A Westcott
PMID21431160
RESUMEN
Addition of boranes to N-aryl-salicylaldimines takes place initially at the reactive phenolic O-H bond to give an activated boron-containing imine and dihydrogen. In some cases a subsequent intramolecular hydrogenation step is observed and the C=N imine bond is reduced to the corresponding amine. Reactions with dimesitylborane in THF are unique in that the reduced amine product is the major product observed in solution.
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