Table 25 Heterocyclic substituent groups and cations

Table 25 Heterocyclic substituent groups and cations.

Type 1-Unlimited substitution

Furyl
(2-isomer shown)
Isoquinolyl
(3-isomer shown)

Piperidyl
(2-isomer shown)
Pyridyl
(2-isomer shown)

Pyrylium
Quinolyl
(2-isomer shown)

Thienyl
(2-isomer shown)

Type 2-Limited substitution (ring only)

Furfuryl
(2-isomer only)
Thenyl
(2-isomer only)

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.

Published with permission of the IUPAC by Advanced Chemistry Development, Inc., www.acdlabs.com, +1(416)368-3435 tel, +1(416)368-5596 fax. For comments or suggestions please contact webmaster@acdlabs.com

Furyl (2-isomer shown)	Isoquinolyl (3-isomer shown)
Piperidyl (2-isomer shown)	Pyridyl (2-isomer shown)
Pyrylium	Quinolyl (2-isomer shown)