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BBr3-promoted cyclization to produce ladder-type conjugated polymer |
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| Authors: | Inja Kim Youngjin Kang |
| Affiliation: | a Department of Chemistry, University of Incheon, Dowha-dong 177, Nam-gu, Incheon 402-749, Republic of Korea b Division of Science Education, Kangwon National University, Chuncheon 200-701, Republic of Korea c Department of Chemistry, Yonsei University, Seoul 120-749, Republic of Korea |
| 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 can also be easily prepared by our chemical cyclization method using a soluble precursor. |
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