2.2-dimethyl propionic acid 2-[(2S,4R,6R)-6-((1R,6R)-(2E,4Z,8E)-9-bromo-1-hydroxy-6-methoxy-3-methylnona-2,4,8-trienyl)-2,4-dimethoxy-tetrahydropyran-2-ylmethyl]-oxazol-4-ylmethyl ester

2,2-dimethylpropionic acid 2-{(2S,4R,6R)-6-[(R)-(E)-1-(tert-butyldiphenylsilanyl-oxy)-4-(tert-butylmethoxyphenylsilanyloxy)-3-methyl-but-2-enyl]-4-hydroxy-2-methoxy-tetrahydropyran-2-ylmethyl}-oxazol-4-ylmethyl ester

(E)-((R)-5-bromo-2-methoxy-pent-4-ene-1-sulfonyl)-1-phenyl-1H-tetrazole

2,2-dimethylpropionic acid 2-{(2S,4R,6R)-6-[(R)-(E)-1-(tert-butyldiphenylsilanyl-oxy)-3-but-2-en-4-al]-2,4-dimethoxy-tetrahydropyran-2-ylmethyl}-oxazol-4-ylmethyl ester

(2R)-2-methoxy-5-(trimethylsilanyl)-pent-4-yn-1-ol

5-((E)-(R)-5-Bromo-2-methoxy-pent-4-enylsulfanyl)-1-phenyl-1H-tetrazole

2,2-Dimethyl-propionic acid 2-{(2S,4R,6R)-6-[(E)-(R)-1-(tert-butyl-diphenyl-silanyloxy)-4-(tert-butyl-methoxy-phenyl-silanyloxy)-3-methyl-but-2-enyl]-2,4-dimethoxy-tetrahydro-pyran-2-ylmethyl}-oxazol-4-ylmethyl ester

5-((R)-2-Methoxy-pent-4-ynylsulfanyl)-1-phenyl-1H-tetrazole

5-((R)-2-Methoxy-5-trimethylsilanyl-pent-4-ynylsulfanyl)-1-phenyl-1H-tetrazole

2,2-Dimethyl-propionic acid 2-{(2S,4R,6R)-6-[(E)-(R)-1-(tert-butyl-diphenyl-silanyloxy)-4-hydroxy-3-methyl-but-2-enyl]-4-hydroxy-2-methoxy-tetrahydro-pyran-2-ylmethyl}-oxazol-4-ylmethyl ester

(2R)-1-(tetrahydro-2H-pyran-2-yloxy)-5-(trimethylsilyl)pent-4-yn-2-ol

2,2-Dimethyl-propionic acid 2-{(2S,4R,6R)-6-[(2E,4Z,8E)-(1R,6R)-9-bromo-1-(tert-butyl-diphenyl-silanyloxy)-6-methoxy-3-methyl-nona-2,4,8-trienyl]-2,4-dimethoxy-tetrahydro-pyran-2-ylmethyl}-oxazol-4-ylmethyl ester

2,2-Dimethyl-propionic acid 2-{(2S,4R,6R)-6-[(E)-(R)-1-(tert-butyl-diphenyl-silanyloxy)-4-hydroxy-3-methyl-but-2-enyl]-2,4-dimethoxy-tetrahydro-pyran-2-ylmethyl}-oxazol-4-ylmethyl ester