Bicyclo[3.2.1]octane

It has been sublimed under N2 at 70o and atmospheric pressure (closed vessel), and resublimed over P2O5 to give an analytically pure sample m 137.5-139.5o. [Von E Doering & Farber J Am Chem Soc 71 1514 1949, Cope et al. J Am Chem Soc 82 4299 1960, NMR: Stothers et al. Can J Chem 55 841 1977.]