Benzyl 2-{(tert-butyldimethylsilyloxy)[1-(4-nitrophenyl)-2,5- dioxotetrahydro-1H-furo[3,2-d]oxazol-6a-yl]methyl}-acrylate

The title compound, C28H32N2O9Si, contains a rigid [3,3]-bicyclic oxazoledione core. The substituent on the quaternary bridge C atom contains two long-chain hydro­phobic groups that are in extended conformations.