Аннотация:
(5Z,10Z,9R,12R,13R)-12-Acetoxy-9,13-epoxyoctadeca-5,10-dienoic acid 1, (2E,7Z,6R,9R,10R)-9-acetoxy-6,10-epoxypentadeca-2,7-dienoic acid methyl ester 12 and (5Z,10Z,9R,12R,13R,14R)-12,14-diacetoxy-9,13-epoxyicosa-5,10-dienoic acid 3 have been synthesized, starting from modified glycals 5 and 12α prepared from 1,2,3,4,-di-O-isopropylidene-α-D-galactopyranose.