A new method for the synthesis of indolin-2-ones has been realized by an I2-promoted oxidative reaction from 1,2,3,3-tetramethyl-3H-indolium iodides. This transformation proceeded smoothly under metal-free and peroxide-free conditions in a… Click to show full abstract
A new method for the synthesis of indolin-2-ones has been realized by an I2-promoted oxidative reaction from 1,2,3,3-tetramethyl-3H-indolium iodides. This transformation proceeded smoothly under metal-free and peroxide-free conditions in a cascade manner.
               
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