A
sequence of ring atoms, linked together as an unbranched chain and connecting two
bridgeheads or junctions, but not itself containing any
bridgehead or junction, is termed an
atomic ring-sector. A bond linking together directly two bridgeheads or junctions is termed a
bond ring-sector.
Source:
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.
doi:10.1351/goldbook.