6,7-Dimethyltricyclo[3.2.2.0]non-6-ene at 120 K, a [3.2.2]propellane derivative

The title compound belongs to the group of [3.2.2]propellanes. The bond angles inside the cyclobutane and cyclobutene units involving the C1 and C2 atoms of the central bridge are less than 90°.

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