Download PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... We report a new amine borane, 5-ethyl-2-methylpyridine borane complex (PEMB) useful for reductive aminations of ketones and aldehydes in methanol or neat. Two of the three hydrides on PEMB are effectively utilized maximizing the economy of the reagent. ... We report a new amine borane, ...