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The name 'benzocyclooctene' attributed to this compound on the basis of the previous edition of the IUPAC Nomenclature of Organic Chemistry

could be ambiguous because, according to Rule A-21.4, the name benzocyclooctene describes a two-component ring system containing the maximum number of noncumulative double bonds while, according to Rule A-23.5, it would describe its 5,6,7,8,9,10-hexahydro derivative. Its use is no longer encouraged and the Commission recommends names based on [n]annulene.

This HTML reproduction is as close as possible to the published version [see IUPAC, Commission on Nomenclature of Organic Chemistry. A Guide to IUPAC Nomenclature of Organic Compounds (Recommendations 1993), 1993, Blackwell Scientific publications, Copyright 1993 IUPAC]. If you need to cite these rules please quote this reference as their source.

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