(3S,4R,5E,10R)-1-bromo-10-(tert-butyldiphenylsilyloxy)-4-methoxymethoxy-3,5-dimethyl-5-undecen-1-yne

(3S,4R,5E,10R)-1-bromo-10-hydroxy-4-methoxymethoxy-3,5-dimethyl-5-undecen-1-yne