Abstract
The catalytic activity of a wide range of copper salts, including Cu(I) and Cu(II), has been examined in the Cu-catalyzed three-component coupling reactions of sulfonyl azides, terminal alkynes, and amines, alcohols, or water to afford N-sulfonyl amidines, imidates, and amides, respectively. Furthermore, the investigation on the ligand effect in our protocol has revealed that certain types of ligands such as tris(benzyltriazolylmethyl)amine (TBTA) exhibited notable acceleration effects on the coupling reaction. The facile and efficient methods for removing copper salts from reaction mixture were also examined.
Conference
International Symposium on Organometallic Chemistry Directed Towards Organic Synthesis (OMCOS-14), International Symposium on Organometallic Chemistry Directed Toward Organic Synthesis, OMCOS, Organometallic Chemistry Directed Toward Organic Synthesis, 14th, Nara, Japan, 2007-08-02–2007-08-06
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