Synthetic Studies of Pyridomycin. IV. Syntheses of Some Twelvemembered Ring Compounds Designed for Construction of Intact Ring System with Exocyclic (Z)-s-Butylidene Side Chain in Pyridomycin

Article abstract of DOI:10.1246/bcsj.58.3298

(2R,5R,6S,9S,10S,11R)-10-Hydroxy-2-<(1'S)-1'-hydroxy-1'-methylpropyl>-5,11-dimethyl-9-(3-pyridylmethyl)-6-(benzyloxycarbonylamino)-8-aza-1,4-dioxacyclododecane-3,7-12-trione and its 1'-O-methyl derivative, and (2S,1'R)-diastereomer of the latter have been