4-Chloro-2-iodopyridine is used in the synthetic preparation of disubstituted chloropyridine derivatives by regioselective lithiathion of chloropyridines with butyllithium and dimethylaminoehanol which is then followed by substitution with electrophiles.
參考文獻
Choppin, S., et al.: Eur. J. Org. Chem., 3, 603 (2001)