Electron-Deficient Polycyclic π-System Fused with Multiple B→N Coordinate Bonds

Yirui Cao, Congzhi Zhu*, Maciej Barłóg, Kayla P. Barker, Xiaozhou Ji, Alexander J. Kalin, Mohammed Al-Hashimi*, Lei Fang*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)

Abstract

An extensive polycyclic π-system with 23 fused rings is synthesized via a highly efficient borylation reaction, in which four B-N covalent bonds and four B→N coordinate bonds are formed in one pot. B→N coordinate bonds not only lock the backbone into a near-coplanar conformation but also decrease the LUMO energy level to around -3.82 eV, demonstrating the dual utility of this strategy for the synthesis of extensive rigid polycyclic molecules and the development of n-type conjugated materials for organic electronics and organic photovoltaics.

Original languageEnglish
Pages (from-to)2100-2106
Number of pages7
JournalJournal of Organic Chemistry
Volume86
Issue number3
DOIs
Publication statusPublished - 5 Feb 2021
Externally publishedYes

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