(R,E)-methyl 12-((1S,2R,3R,5S)-3,5-bis(tert-butyldimethylsilyloxy)-2-((Z)-pent-2-enyl)cyclopentyl)-10-(tert-butyldimethylsilyloxy)dodeca-11-en-4,7-diynoate

methyl 6-bromohex-4-ynoate

((1R,2R,3R,5S)-3,5-bis(tert-butyldimethylsilyloxy)-2-((Z)-pent-2-enyl)cyclopentyl)methanol

(E)-3-((1S,2R,3R,5S)-3,5-bis(tert-butyldimethylsilyloxy)-2-((Z)-pent-2-enyl)cyclopentyl)acrylaldehyde

(R)-((E)-1-((1S,2R,3R,5S)-3,5-bis(tert-butyldimethylsilyloxy)-2-((Z)-pent-2-enyl)cyclopentyl)hex-1-en-5-yn-3-yloxy)(phenyl)methyl acetate