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A general and efficient route to 3-amino-4-sulfanylcoumarins via substitution and palladium-catalyzed amination of 3-bromo-4-tosyloxycoumarins
Authors:Weizi Wang  Renhua Fan
Affiliation:a Department of Chemistry, Fudan University, 220 Handan Road, Shanghai 200433, China
b State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 354 Fenglin Road, Shanghai 200032, China
Abstract:A highly efficient and practical route to 3-amino-4-sulfanylcoumarins from 3-bromo-4-tosyloxy-coumarins via substitution and palladium catalyzed amination reactions is described.
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