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The preparation of 1,3,5-tris(1,1′-binaphthoyl)benzene via amine-catalyzed alkyne trimerization
Journal article   Peer reviewed

The preparation of 1,3,5-tris(1,1′-binaphthoyl)benzene via amine-catalyzed alkyne trimerization

F.Christopher Pigge and Zhanmiao Zheng
Tetrahedron letters, Vol.42(47), pp.8259-8261
2001
DOI: 10.1016/S0040-4039(01)01768-3

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Abstract

Three 1,1′-bi-2-naphthol moieties have been positioned about a central aromatic ring by alkyne cyclotrimerization of an optically pure 3-substituted binaphthyl ethynyl ketone. The cyclotrimerization proceeds in good yield and with complete regioselectivity to afford a 1,3,5-substituted arene exclusively. Graphic
alkynes binaphthol cyclization cyclotrimerization

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