https://doi.org/10.1351/goldbook.I03251
The @[email protected] of an @[email protected] to a position in an aromatic compound already carrying a @[email protected] (other than hydrogen). The @[email protected] may displace that substituent group but may also itself be expelled or migrate to a different position in a subsequent step. The term 'ipso-substitution' is not used, since it is synonymous with substitution. For example:
I03251.png
where E + is an @[email protected] and Z is a substituent (other than hydrogen).See also:
cine-substitution
, tele-substitution