(2aR,4S,4aS,6R,11S,12S,12aR,12bS)-12-benzoyloxy-11-hydroxy-4a,8,13,13-tetramethyl-5-oxo-4-triethylsilyloxy-3,4,4a,5,6,9,10,11,12,12a-decahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxete-6,12b(2aH)diyl diacetate

(5S)-7-iodo-6,6,8-trimethyl-2-phenyl-1,3-dioxaspiro[4.5]dec-7-ene

(2aR,4S,4aS,6R,8aS,8bS)-8b-Benzyloxy-4-(tert-butyl-dimethyl-silanyloxy)-6-hydroxy-4a-methyl-octahydro-2-oxa-cyclobuta[a]naphthalen-7-one

{(1S,2S,3S,4S,6R)-1-Benzyloxy-3-(2,2-dimethoxy-ethyl)-3-methyl-2-[2-(2-nitro-phenylselanyl)-ethyl]-7-oxa-bicyclo[4.2.0]oct-4-yloxy}-tert-butyl-dimethyl-silane

(1aS,3aS,4S,5aR,7aS,7bR,8S,9S,11aR)-7a-acetoxy-9-hydroxy-3a,11a,12,12-tetramethyl-2-oxo-4-((triethylsilyl)oxy)tetradecahydro-1a,9-methanooxireno[2'',3'':5',6']cyclodeca[1',2':3,4]benzo[1,2-b]oxet-8-yl benzoate

(S)-3-(Chloromethyl-dimethyl-silanyloxy)-2,2-dimethyl-cyclohexanone

(S)-7-Iodo-2,2,6,6,8-pentamethyl-1,3-dioxa-spiro[4.5]dec-7-ene

3-bromo-2,2,4-trimethylcyclohex-3-ene carbonyl chloride

(3aS,8R,9aS,10S,11aR,13aS,13bR,13cS)-6,9a,14,14-tetramethyl-2,5,9-trioxo-10-((triethylsilyl)oxy)-4,5,8,9,9a,10,11,11a,13b,13c-decahydro-3a,7-methanooxeto[2'',3'':5',6']benzo[1',2':3,4]cyclodeca[1,2-d][1,3]dioxole-8,13a(13H)-diyl diacetate

(1S,6S)-1-{(S)-[(1S,2R,3S,4S,6R)-1-Benzyloxy-4-(tert-butyl-dimethyl-silanyloxy)-3-(2,2-dimethoxy-ethyl)-3-methyl-7-oxa-bicyclo[4.2.0]oct-2-yl]-hydroxy-methyl}-2,2,4-trimethyl-7-oxa-bicyclo[4.1.0]hept-4-en-3-one

(1S,5S)-3,3,9,9-Tetramethyl-2-oxa-3-sila-bicyclo[3.3.1]nonan-5-ol

(S)-1-Hydroxymethyl-3-iodo-2,2,4-trimethyl-cyclohex-3-enol

Trifluoro-methanesulfonic acid (4'aS,5'S,7'S,8'S,8'aS)-5'-(tert-butyl-dimethyl-silanyloxy)-8'-hydroxy-4'a-methyl-8'-trimethylsilanyloxymethyl-octahydro-spiro[[1,3]dioxolane-2,2'-naphthalen]-7'-yl ester

(S)-1-(benzyloxy)-3-iodo-2,2,4-trimethylcyclohex-3-ene-1-carbaldehyde