In situ generation of hydrogen iodide from methanesulphonic acid/sodium iodide in different solvents was found to be an attractive reagent system for the chemoselective conversion of various alcohols to their corresponding iodides. Moreover, treatment of benzylic and allylic alcohols with this reagent system, followed by substitution with azide ion, produced the corresponding azides in one pot in good yields.
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Kamal et al. (2001) studied this question.
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