(3S,4R,E)-6-iodo-3-((4-methoxybenzyl)oxy)-4-methylhex-5-enoic acid

ethyl (4S,5R,6S,2E)-7-(4-methoxybenzyloxy)-5-(tert-butyldimethylsilyloxy)-4,6-dimethylhept-2-enoate

ethyl (4S,5R,6S)-7-(4-methoxybenzyloxy)-5-(tert-butyldimethylsilyloxy)-4,6-dimethylheptanoate

ethyl (4S,5R,6S,E)-5-hydroxy-7-((4-methoxybenzyl)oxy)-4,6-dimethylhept-2-enoate

(4S,5R,6S)-5-((tert-butyldimethylsilyl)oxy)-7-((4-methoxybenzyl)oxy)-4,6-dimethylheptanal