Copper-catalyzed cross-coupling of sulfonamides with aryl iodides and bromides facilitated by amino acid ligands

Tetrahedron Letters

Volumn 46, Issue 43, 2005, Pages 7295-7298

  Deng, Wei ^a   Liu, Lei ^a   Zhang, Chen ^a   Liu, Min ^a   Guo, Qing Xiang ^a  

^a UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA   (China)

Author keywords

[No Author keywords available]

Indexed keywords

AMINO ACID; BROMIDE; COPPER; IODIDE; LIGAND; SARCOSINE; SULFONAMIDE;

ARTICLE; ARYLATION; CATALYSIS; CATALYST; CHEMICAL REACTION; CROSS COUPLING REACTION; SYNTHESIS;

EID: 25444455340     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tetlet.2005.08.149     Document Type: Article

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36. 4 (2.65 g, 12.5 mmol). The flask is evacuated and backfilled with nitrogen. Then aryl iodide (5.0 mmol) and DMF (10.0 ml) are added under nitrogen. The reaction mixture is stirred under 100°C for 24 h. The resulting suspension is cooled to room temperature and the solvent was removed. The residue is filtered through a 2-3 cm pad of silica gel with the help of 100 ml of ethyl acetate. The filtrate is concentrated and the residue is purified by chromatography to afford pure product.
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