Convenient Synthesis of Benziodazolone: New Reagents for Direct Esterification of Alcohols and Amidation of Amines
Hypervalent iodine heterocycles represent one of the important classes of hypervalent iodine reagents with many applications in organic synthesis. This paper reports a simple and convenient synthesis of benziodazolones by the reaction of readily available iodobenzamides with m-chloroperoxybenzoic acid in acetonitrile at room temperature. The structure of one of these new iodine heterocycles was confirmed by X-ray analysis. In combination with PPh3 and pyridine, these benziodazolones can smoothly react with alcohols or amines to produce the corresponding esters or amides of 3-chlorobenzoic acid, respectively. It was found that the novel benziodazolone reagent reacts more efficiently than the analogous benziodoxolone reagent in this esterification.
Citations by journals
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Advanced Synthesis and Catalysis
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Advanced Synthesis and Catalysis
1 publication, 50%
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Chemical Communications
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Chemical Communications
1 publication, 50%
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1
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Wiley
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Wiley
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Royal Society of Chemistry (RSC)
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Royal Society of Chemistry (RSC)
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1
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