(E)-1-((1R,2S,4S)-2-((S,E)-6-((tert-butyldimethylsilyl)oxy)hept-1-en-1-yl)-4-hydroxycyclopentyl)-3-(4-methyl-2,6,7-trioxabicyclo[2.2.2]octan-1-yl)prop-2-en-1-one

(3R,3aS,6aS)-3-Hydroxy-3,3a,4,6a-tetrahydro-2H-cyclopenta[b]furan -2-one

(+)-(3S,3aS,6aS)-3-hydroxy-3,3a,6,6a-tetrahydro-cyclopenta[b]furan-2-one

(S)-4-t-butyldimethylsilyloxy-1-trityloxypentane

(2S)-2-methylbutane-1,4-diol