Journal of Organometallic Chemistry p. 147 - 153 (1980)
Update date:2022-08-10
Topics:
Newkome, George R.
Roper, Jerry M.
Metal-halogen exchange between 2,6-diiodo- and 2,6-dibromopyridine and two equivalents of n-butyllithium gives 2,6-dilithiopyridine.On quenching with either carbon dioxide followed by esterification, methanol or dimethyl disulfide the dilithio compound gives a methyl 2,6-pyridinedicarboxylate, pyridine, or 2,6-dithiomethylpyridine, respectively.A convenient procedure for halogen-halogen exchange is also described.
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