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Total synthesis of Cubane:
Reference: Eaton, P. E.; Cole, T. W. J. Am. Chem. Soc. 1964, 86, 3157. DOI
Keywords: Ketone → Ketal • Ketal → Ketone • CarboxAcid → CarboxCl • CarboxCl → CarboxPerester • Cyclobutane • Allylic oxidation → Allyl-Br • Alkene → Dibromide-1,2 • Dehydrohalogenation → Enone • Diels-Alder, Enone • Cyclopentadienone • Photochemistry 2+2 • Cyclobutane • Favorskii • Decarboxylation • Mechanism •
Reagents: NBS • Bromine • NHEt2 • Glycol • TsOH • HCl, H2O • Hydroxide, potassium • SOCl2 • Hydroperoxide, tbutyl • Cumene • H2SO4 • Hydroxide, potassium • SOCl2 • Hydroperoxide, tbutyl •

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