Fc. Pigge et Zm. Zheng, The preparation of 1,3,5-tris(1,1 '-binaphthoyl)benzene via amine-catalyzed alkyne trimerization, TETRAHEDR L, 42(47), 2001, pp. 8259-8261
Three 1,1'-bi-2-naplithol moieties have been positioned about a central aro
matic ring by alkyne cyclotrimerization of an optically pure 3-substituted
binaphthyl ethynyl ketone. The cyclotrimerization proceeds in good yield an
d with complete regioselectivity to afford a 1,3,5-substituted arene exclus
ively. (C) 2001 Elsevier Science Ltd. All rights reserved.