Journal
SYNTHESIS-STUTTGART
Volume 54, Issue 23, Pages 5192-5202Publisher
GEORG THIEME VERLAG KG
DOI: 10.1055/a-1922-8846
Keywords
N-arylation; iodonium salt; sulfonamide; hydroxylamine; sulfa drug
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Funding
- JSPS KAKENHI [19K05466, 18H02014]
- JST CREST [JPMJCR20R1]
- Ritsumeikan Global Innovation Research Organization (R-GIRO) project
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TMP-iodonium(III) acetate serves as an efficient arylation reagent for N,O-protected hydroxylamines, generating aniline derivatives without the need for transition metal catalysts. The amination reaction is compatible with various protecting groups, producing versatile synthetic intermediates for functional organic molecules.
Trimethoxyphenyliodonium(III) acetate [TMP-iodonium(III) acetate] functions as an efficient arylation reagent for N,O-protected hydroxylamines, generating aniline derivatives in the absence of transition metal catalysts. Various N-methoxysulfonamides participated in the amination reaction to produce the corresponding N-methoxysulfonylanilines. This amination reaction was compatible with several protecting groups, including Troc (2,2,2-trichloroethoxycarbonyl), Cbz (benzyloxycarbonyl), Boc (tert-butoxycarbonyl), benzyl, acetyl, and silyl groups. This method uses TMP-iodonium(III) acetate and efficiently synthesizes various aniline derivatives that are versatile synthetic intermediates for functional organic molecules.
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