Buy article online - an online subscription or single-article purchase is required to access this article.
organic compounds
The four C-C bonds to the spiro-C atom in the title compound, 2,2'-spirobitricyclo[3.3.1.13,7]dec1-yl acetate, C21H30O2, are all unusually long and the corresponding bond angles are either substantially smaller (intracyclic) or larger (extracyclic) than usual.