2006
DOI: 10.1590/s0100-40422006000500028
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N-halossacarinas: reagentes úteis (e alternativos) em síntese orgânica

Abstract: Recebido em 28/2/05; aceito em 14/10/05; publicado na web em 5/5/06 N-HALOSACCHARINS: USEFUL (AND ALTERNATIVE) REAGENTS IN ORGANIC SYNTHESES. N-halosaccharins proved to be useful and alternative reagents for diverse organic transformations, such as halogenation of aromatic compounds, benzylic and α-carbonylic positions, cohalogenation of alkenes, oxidation of secondary alcohols, etc. Their preparation from saccharin, a cheap and readly available starting material, is simple.Keywords: N-halosaccharin; oxidation… Show more

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Cited by 9 publications
(3 citation statements)
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“…N-Chloro-, N-bromo-and Niodosaccharin, 23 (NCSac, NBSac, and NISac, respectively) are prepared easily starting from saccharin [179]. N-Chloro-, N-bromo-and Niodosaccharin, 23 (NCSac, NBSac, and NISac, respectively) are prepared easily starting from saccharin [179].…”
Section: N-halosaccharinesmentioning
confidence: 99%
“…N-Chloro-, N-bromo-and Niodosaccharin, 23 (NCSac, NBSac, and NISac, respectively) are prepared easily starting from saccharin [179]. N-Chloro-, N-bromo-and Niodosaccharin, 23 (NCSac, NBSac, and NISac, respectively) are prepared easily starting from saccharin [179].…”
Section: N-halosaccharinesmentioning
confidence: 99%
“…1 NCSac is stable, crystalline, soluble in most common organic solvents; it is a commercially available, relatively inexpensive reagent and commonly used in diverse organic transformations, such as halogenation, 2 …”
Section: Introductionmentioning
confidence: 99%
“…Dolenc and Sket 4 reported a chlorofluorination of alkynes with NCSac, leading to products usually difficult to obtain. 1 The reagent is more reactive than other N-chloroimides, but requires long reaction times, affording a mixture of vicinal chloro-fluoroalkenes, but only Markovnikov products.…”
Section: Introductionmentioning
confidence: 99%