(R)-2-[(2S,3S)-2-Methoxy-4-(4-methoxy-benzyloxy)-3-methyl-butyl]-oxirane

{(2R,6S)-6-[(2S,3S)-2-Methoxy-4-(4-methoxy-benzyloxy)-3-methyl-butyl]-5,6-dihydro-2H-pyran-2-yl}-acetaldehyde

(E)-(S)-5-(tert-Butyl-dimethyl-silanyloxy)-6-[(2R,6S)-6-((2S,3S)-4-hydroxy-2-methoxy-3-methyl-butyl)-5,6-dihydro-2H-pyran-2-yl]-2-methyl-hex-2-enoic acid methyl ester

(E)-(S)-5-(tert-Butyl-dimethyl-silanyloxy)-6-[(2R,6S)-6-((2S,3R)-2-methoxy-3-methyl-4-oxo-butyl)-5,6-dihydro-2H-pyran-2-yl]-2-methyl-hex-2-enoic acid methyl ester

(E)-(S)-5-Hydroxy-6-{(2R,6S)-6-[(2S,3S)-2-methoxy-4-(4-methoxy-benzyloxy)-3-methyl-butyl]-5,6-dihydro-2H-pyran-2-yl}-2-methyl-hex-2-enoic acid methyl ester