(4S,5S,10S,11R,12R,14R,E)-11-(4-methoxybenzyloxy)-5,15-bis(tert-butyldimethylsilyloxy)-4,10,12,14-tetramethyl-1-(trityloxy)pentadec-2-en-8-yn-7-one

ethyl (4S,5S,E)-5,7-bis(tert-butyldimethylsilyloxy)-4-methylhept-2-enoate

(4S,5S,E)-5,7-bis(tert-butyldimethylsilyloxy)-4-methylhept-2-en-1-ol

((4S,5S,E)-5,7-bis(tert-butyldimethylsilyloxy)-4-methylhept-2-enyloxy)triphenylmethane

(3R,4S,5E,7Z)-3-((tert-butyldimethylsilyl)oxy)-8-iodo-4,6-dimethylocta-5,7-dienal