The formation of a spirocyclic compound, which contains a spirolactone ring structure
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(R)-(+)-5-(benzyloxy)-3-(tert-butyldimethylsilyloxy)pentanal
2-(trifluoromethyl)-2-oxazoline
(S)-5-[(Dimethyl-phenyl-silanyl)-methyl]-2-hydroxy-2-((Z)-7-trimethylsilanyl-hept-5-enyl)-pyrrolidine-1-carboxylic acid benzyl ester
Butanenitrile, 3-oxo-2-(phenylmethylene)-
3-(4-oxopentyl)-2-cyclohexen-1-one
