Russian Journal of Organic Chemistry p. 1654 - 1656 (2005)
Update date:2022-08-11
Topics:
Mironov
Kharitonova
Efimkin
Solomentseva
Treating 2,5-dimethyl-4-ethoxycarbonyl- and 2,5-dimethyl-4-carboxypyrroles with iodine furnished 3-iodo-2,5-dimethyl-4-ethoxycarbonyl- and 3,4-diiodo-2,5-dimethylpyrroles. It was established that 3-iodo-2,5-dimethyl-4- ethoxycarbonylpyrrole reacted at heating with silver nitrite to afford 2,5-dimethyl-3-nitro-4-ethoxycarbonylpyrrole, and the same reagent oxidized 3,4-diiodo-2,5-dimethylpyrrole to give 3,4-diiodo-2-methyl-5-formylpyrrole. 2005 Pleiades Publishing, Inc.
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