Two convenient routes for the synthesis of L-altrose and L-mannose from 1,2
:3,5-di-O-isopropylidene-beta-L-idofuranose in four and six steps via the s
tereoselective hydroboration and hydrogenation of olefins as key steps are
described here, respectively. (C) 2000 Elsevier Science Ltd. All rights res
erved.