Dibromoisobenzofuran as a Formal Equivalent of Didehydroisobenzofuran: Reactive Platform for Expeditious Assembly of Polycycles
摘要:
Two-directional annulation of dibromoisobenzofuran, a formal equivalent to didehydroisobenzofuran, was developed. Importantly, selective bromine lithium exchange allows the tandem generation of benzynes and dual cycloadditions with two different arynophiles. Also described is the application to the synthesis of a substituted pentacene.
Selective Halogen-Lithium Exchange of 1,2-Dihaloarenes for Successive [2+4] Cycloadditions of Arynes and Isobenzofurans
作者:Shohei Eda、Toshiyuki Hamura
DOI:10.3390/molecules201019449
日期:——
Successive [2+4] cycloadditions of arynes and isobenzofurans by site-selective halogen-lithiumexchange of 1,2-dihaloarenes were developed, allowing the rapid construction of polycyclic compounds which serve as a useful synthetic intermediates for the preparation of various polyacene derivatives.
Z-Shaped Pentaleno-Acene Dimers with High Stability and Small Band Gap
作者:Gaole Dai、Jingjing Chang、Jie Luo、Shaoqiang Dong、Naoki Aratani、Bin Zheng、Kuo-Wei Huang、Hiroko Yamada、Chunyan Chi
DOI:10.1002/anie.201508919
日期:2016.2.18
Acene‐based materials have promising applications for organic electronics but the major constrain comes from their poor stability. Herein a new strategy to stabilize reactive acenes, by fusion of an anti‐aromatic pentalene unit onto the zigzag edges of two acene units to form a Z‐shaped acene dimer, is introduced. The Z‐shaped acene dimers are extremely stable and show a small energy gap resulting
[DE] METALLKOMPLEXE<br/>[EN] METAL COMPLEXES<br/>[FR] COMPLEXES METALLIQUES
申请人:MERCK PATENT GMBH
公开号:WO2014008982A1
公开(公告)日:2014-01-16
Die vorliegende Erfindung betrifft Metallkomplexe sowie elektronische Vorrichtungen, insbesondere organische Elektrolumineszenzvornchtungen, enthaltend diese Metallkomplexe.