A
substitution reaction occurring at position 1/ of an
allylic system, the double bond being between positions 2/ and 3/. The incoming group may
be attached to the same atom 1/ as the
leaving group, or the incoming group becomes attached at the relative position 3/, with movement
of the double bond from 2/3 to 1/2. For example:
(written as a
transformation ).
Source:
PAC, 1994, 66, 1077
(Glossary of terms used in physical organic chemistry (IUPAC Recommendations 1994))
on page 1082
