Tetrahedron letters

BBr 3-promoted cyclization to produce ladder-type conjugated polymer

I Kim, TH Kim, Y Kang, Y Lim

Index: Kim, Inja; Kim, Tae-Hyun; Kang, Youngjin; Lim, Yong-beom Tetrahedron Letters, 2006 , vol. 47, # 49 p. 8689 - 8692

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Citation Number: 10

Abstract

A novel chemical cyclization method using BBr3 has been successfully developed to prepare ladder-type conjugated systems. The cyclized ladder compounds revealed an extended conjugation due to planarization of the structures. The extended ladder polymer ...