Michael Müller, Hans-Christian Stiasny, Mark Brönstrup, Andrew Burton and Reinhard W. Hoffmann
The iodine–lithium exchange reaction on the 1,1-diiodoalkanes 17 at –110 °C is initiated by the irreversible formation of yellow iodine ate-complexes, which are slowly transformed into the α-iodoalkyllithium compounds 21.