(2S,3R,4S,6S)-3,7-bis(tert-butyldimethylsilyloxy)-2,4,6-trimethylheptan-1-ol

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

(2S,3R,4S,6S)-4-(tert-butyldimethylsilyloxy)-7-((tert-butyldimethylsilyloxy)methyl)-3,5-dimethyloct-1-yne

(5R,6S,8S)-5-((S)-4,4-dibromobut-3-en-2-yl)-2,2,3,3,6,8,11,11,12,12-decamethyl-4,10-dioxa-3,11-disilatridecane

(3S,4R,5S,7S)-4-(tert-butyldimethylsilyloxy)-3,5-dimethyl-7-((triethylsilyloxy)methyl)-oct-1-yne