Two or more cyclic systems (single rings or fused systems) which are directly joined
to each other by double or single bonds are named ring assemblies when the number
of such direct ring junctions is one less than the number of cyclic systems involved.
Examples:
Source:
InChI=1/C12H10/c1-3-7-11(8-4-1)12-9-5-2-6-10-12/h1-10H
InChI=1/C10H16/c1-2-6-9(5-1)10-7-3-4-8-10/h1-8H2
InChI=1/C12H8/c1-2-6-10-9(5-1)11-7-3-4-8-12(10)11/h1-8H
ZUOUZKKEUPVFJK-UHFFFAOYAV
AFQHVWWURXWNGD-UHFFFAOYAA
IFVTZJHWGZSXFD-UHFFFAOYAR
Cite as:
IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by
A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997).
XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic,
J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8.
https://doi.org/10.1351/goldbook.
