Heptacyclo[5.5.1.14,10.02,6.03,11.05,9.08,12]tetradecane-13,14-bis(spiro-1'-cyclopentane): a new C22H28 nonacyclic cage hydrocarbon. Improved synthesis of bicyclo[2.2.1]hepta-2,5-diene-7-spiro-1'-cyclopentane
Heptacyclo[5.5.1.14,10.02,6.03,11.05,9.08,12]tetradecane-13,14-bis(spiro-1'-cyclopentane): a new C22H28 nonacyclic cage hydrocarbon. Improved synthesis of bicyclo[2.2.1]hepta-2,5-diene-7-spiro-1'-cyclopentane