Prévost reaction
The Prévost reaction is
(1899–1983).
Reaction mechanism
The reaction between silver benzoate (1) and iodine is very fast and produces a very reactive iodinium benzoate intermediate (2). The reaction of the iodinium salt (2) with an
neighboring group substitution of the benzoate ester to give the oxonium salt (5). A second SN2 substitution
by the benzoate anion gives the desired diester (6).
In the final step
syn addition
.
References
- Comptes rendus. 196: 1129.
- ^ Charles Prévost; C.A. 27, 3195 (1933)
- ISBN 0471264180.