https://doi.org/10.1351/goldbook.I03251
The
where E + is an
attachment
of an entering group
to a position in an aromatic compound already carrying a substituent group
(other than hydrogen). The entering group
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: ![Not defined](/img/inline/I03251.png)
electrophile
and Z is a substituent (other than hydrogen).See also:
cine-substitution
, tele-substitution