A general and efficient route to 3-amino-4-sulfanylcoumarins via substitution and palladium-catalyzed amination of 3-bromo-4-tosyloxycoumarins

Tetrahedron Letters

Volumn 48, Issue 21, 2007, Pages 3647-3649

  Wang, Weizi ^a   Ding, Qiuping ^a   Fan, Renhua ^a   Wu, Jie ^a,b  

^a FUDAN UNIVERSITY   (China)

^b SHANGHAI INSTITUTE OF ORGANIC CHEMISTRY   (China)

Author keywords

[No Author keywords available]

Indexed keywords

AMINE; BROMINE DERIVATIVE; COUMARIN DERIVATIVE; SULFUR DERIVATIVE; TOLUENESULFONIC ACID DERIVATIVE;

AMINATION; ARTICLE; CATALYSIS; CATALYST; QUANTUM YIELD; REACTION ANALYSIS; REACTION TIME; SUBSTITUTION REACTION; TEMPERATURE DEPENDENCE;

EID: 34247197594     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tetlet.2007.03.142     Document Type: Article

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29. 4. The solvent was removed under vacuum and the residue was purified by flash chromatography to give the corresponding 3-amino-4-sulfanylcoumarin 3.