2-Iodylpyridine and four examples of 3-alkoxy-2-iodylpyridines were prepared by oxidation of the respective 2-iodopyridines with 3, 3-dimethyldioxirane. Structures of 2-iodylpyridine, 2- iodyl-3-isopropoxypyridine, and 2-iodyl-3-propoxypyridine were established by single-