(R)-4-[1,3]Dithian-2-yl-cyclopent-2-enone

(3R,4R)-3-(tert-butoxy)-4-(1,3-dithian-2-yl)cyclopentan-1-one

(R)-5-((1R,2R)-2-[1,3]Dithian-2-yl-4-oxo-cyclopentyl)-5H-furan-2-one

(4S,5R,E)-8-(benzyloxy)-5-((tert-butyldimethylsilyl)oxy)-4-(dimethoxymethyl)oct-6-en-2-one

(3R)-3-((R,E)-4-(benzyloxy)-1-((tert-butyldimethylsilyl)oxy)but-2-en-1-yl)-4-methoxycyclopentan-1-one