 1,3-Dehydroadamantane

1,3-Dehydroadamantane, formally tetracyclo[3.3.1.13,7.01,3]decane, is an organic compound with formula C10H14, which can be obtained from adamantane by removal of two hydrogen atoms to create an internal bond.It is a polycyclic hydrocarbon, and can be viewed also as being derived from [3.3.1]propellane by addition of a methylene bridge between the two larger rings.