(2S,4aR,4a'S,8aS,8a'R)-4,4a,4a',6,7,7',8,8a,8',8a'-decahydro-3H,6'H-2,2'-spirobi[pyrano[3,2-b]pyran]-3-one

Acetic acid (2S,3R)-2-[(Z)-2-((4aR,8aS)-2-methoxy-3-oxo-octahydro-pyrano[3,2-b]pyran-2-yl)-vinyl]-tetrahydro-pyran-3-yl ester

(3S,4aR,8aS)-3-Benzyloxy-hexahydro-pyrano[3,2-b]pyran-2-one

(2S,3S,2''R,3''S)-p-toluenesulfonic acid 3-[3''-(tert-butyldimethylsiloxy)tetrahydropyran-2''-yl-methyl]-oxiran-2-yl-methyl ester

(2'R,3'S)-4-[3'-(tert-butyldimethylsiloxy)tetrahydropyran-2'-yl]-2-buten-1-ol

(2R,3S)-2-(2',2'-dibromovinyl)-3-(tert-butyldimethylsiloxy)-tetrahydropyran

(3S,4aR,8aS)-3-Benzyloxy-octahydro-pyrano[3,2-b]pyran-2-ol

(2S,3S)-6-(tert-butyldimethylsilyl)oxy-2,3-epoxyhexan-1-ol

(2S,3S,2''R,3''S)-{3-[3''-(tert-butyldimethylsiloxy)tetrahydropyran-2''-yl-methyl]-oxiran-2-yl}-methanol

methyl (E)-6-[(tert-butyldimethylsilyl)oxy]hex-2-enoate

(2S,3R)-2-((3S,4aR,8aS)-3-Benzyloxy-2-methoxy-octahydro-pyrano[3,2-b]pyran-2-ylethynyl)-tetrahydro-pyran-3-ol

tert-Butyl-{3-[(2R,3R)-3-(2,2-dibromo-vinyl)-oxiranyl]-propoxy}-dimethyl-silane

(2S,4aR,8aS)-2-[(Z)-2-((2S,3R)-3-Hydroxy-tetrahydro-pyran-2-yl)-vinyl]-2-methoxy-hexahydro-pyrano[3,2-b]pyran-3-one

tert-Butyl-[(2S,3R)-2-(2,2-dibromo-vinyl)-tetrahydro-pyran-3-yloxy]-dimethyl-silane

Acetic acid (2S,3R)-2-[(Z)-2-((3S,4aR,8aS)-3-hydroxy-2-methoxy-octahydro-pyrano[3,2-b]pyran-2-yl)-vinyl]-tetrahydro-pyran-3-yl ester

(2S,3R)-2-(2,2-Dibromo-vinyl)-tetrahydro-pyran-3-ol

(E)-6-[(tert-butyldimethylsilyl)oxy]-2-hexen-1-ol

Acetic acid (2S,3R)-2-((3S,4aR,8aS)-3-benzyloxy-2-methoxy-octahydro-pyrano[3,2-b]pyran-2-ylethynyl)-tetrahydro-pyran-3-yl ester

(2'R,3'S,2S)-1-[3'-(tert-butyldimethylsiloxy)tetrahydropyran-2'-yl]but-3-en-2-ol