4-[(tert-butyldimethylsilyl)oxy]cyclopent-2-enone
Methyl 6-formyl-5-hexynoate
dimethylaluminium phenylthiolate
5-Benzenesulfinyl-7-[3-(tert-butyl-dimethyl-silanyloxy)-5-oxo-cyclopent-1-enyl]-hepta-5,6-dienoic acid methyl ester
7-[(2R,3R)-3-(tert-Butyl-dimethyl-silanyloxy)-5-oxo-2-phenylsulfanyl-cyclopent-(Z)-ylidene]-hept-5-ynoic acid methyl ester
Methyl (Z)-7-<(3R)-3-<(tert-Butyldimethylsilyl)oxy>-5-oxo-1-cyclopentenyl>-5-heptenoate