propellanes

Tricyclic saturated hydrocarbons, systematically named tricyclo[a.b.c.0 1,(a+2) ]alkanes; have been referred to as [a.b.c]propellanes.
P04882
See: paddlanes
Source:
PAC, 1995, 67, 1307 (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1360