(R)-6-((2R,3R)-7-Bromo-2,3-dimethyl-4-triisopropylsilanyloxy-2,3-dihydro-benzofuran-3-yl)-3-methyl-5,6-dihydro-pyran-2-one

2-methylacrylic acid (R)-1-((2R,3R)-7-bromo-2,3-dimethyl-4-triisopropylsilanyloxy-2,3-dihydrobenzofuran-3-yl)-but-3-enyl ester

acetic acid (R)-(E)-1-((2R,3R)-7-bromo-2,3-dimethyl-4-triisopropylsilanyloxy-2,3-dihydrobenzofuran-3-yl)-4-methyl-5-oxopent-3-enyl ester

4-{(2R,3R)-3-[(1E,3E)-5-(tert-Butyl-dimethyl-silanyloxy)-4-methyl-penta-1,3-dienyl]-2,3-dimethyl-4-triisopropylsilanyloxy-2,3-dihydro-benzofuran-7-yl}-4-hydroxy-3-methoxy-2-methyl-cyclobut-2-enone

(2R,3R)-3-[(R)-(Z)-bis-(tert-butyldimethylsilanyloxy)-methylpent-3-enyl]-7-bromo-2,3-dimethyl-4-triisopropylsilanyloxy-2,3-dihydrobenzofuran