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Issue 35, 2009
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Phosphazene base-catalyzed intramolecular cyclization for efficient synthesis of benzofurans viacarbon–carbon bond formation

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Abstract

An organic superbase, phosphazene P4-tBu, functioned as an active catalyst for intramolecular cyclization of o-alkynylphenyl ethers viacarbon–carbon bond formation to provide an efficient synthetic method for 2,3-disubstituted benzofurans derivatives under mild reaction conditions without the need for a metal catalyst.

Graphical abstract: Phosphazene base-catalyzed intramolecular cyclization for efficient synthesis of benzofurans viacarbon–carbon bond formation

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Publication details

The article was received on 08 Jul 2009, accepted on 23 Jul 2009 and first published on 07 Aug 2009


Article type: Communication
DOI: 10.1039/B913588J
Citation: Chem. Commun., 2009,0, 5248-5250
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    Phosphazene base-catalyzed intramolecular cyclization for efficient synthesis of benzofurans viacarbon–carbon bond formation

    C. Kanazawa, K. Goto and M. Terada, Chem. Commun., 2009, 0, 5248
    DOI: 10.1039/B913588J

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