study material-chemistry-organic chemistry
Common Names Gneva System-7: Naming bicyclic compounds
Examples of Bicyclo, polycyclic and others
Note: The superscripts locating the other bridges shall be as small as possible
Spiro Compounds
A “spiro structure” is one formed by a single atom which is the only common member (quternary carbon) of two cyclic rings where name of these compound starts with the prefix spiro and preceding with shortest path and go through to longer path. Numbering always in increasing order just opposite to bicyclo compounds where decreasing order is followed.