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1-吡咯并[3',2':3,4]芴并[9,1-]喹啉和7-吡咯并[2',3',4':4,10]蒽并[1,9-]喹啉的合成与性质

Synthesis and Properties of 1-Pyrrolo[3',2':3,4]fluoreno[9,1-]quinolines and 7-Pyrrolo[2',3',4':4,10]anthra[1,9-]quinolines.

作者信息

Khomutetckaia Aleksandra, Ehlers Peter, Villinger Alexander, Langer Peter

机构信息

Institut für Chemie, Universität Rostock, A.-Einstein-Str. 3a, 18059 Rostock, Germany.

出版信息

Molecules. 2025 Jun 16;30(12):2615. doi: 10.3390/molecules30122615.

Abstract

We report the synthesis of pyrrolo[3',2':3,4]fluoreno[9,1-]quinoline and pyrrolo[2',3',4':4,10]anthra[1,9-]quinoline derivatives. This novel class of N-doped polycyclic heteroaromatic compounds was synthesized by a site-selective cross-coupling reaction followed by acid-mediated cycloisomerization and Pd-catalyzed CH arylation as the final ring-closing reactions. Preliminary optical and aromatic properties were studied by means of steady-state absorption and fluorescence spectroscopy and DFT calculation. Special emphasis was placed on the impact of ring alternation and position of the N-doping within the scaffold.

摘要

我们报道了吡咯并[3',2':3,4]芴并[9,1-]喹啉和吡咯并[2',3',4':4,10]蒽并[1,9-]喹啉衍生物的合成。这类新型的氮掺杂多环杂芳族化合物是通过位点选择性交叉偶联反应,随后进行酸介导的环异构化以及钯催化的碳氢键芳基化作为最终的闭环反应合成的。通过稳态吸收光谱、荧光光谱和密度泛函理论计算研究了其初步的光学和芳香性质。特别强调了骨架中环交替和氮掺杂位置的影响。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/09dc/12195833/7eb2c4533595/molecules-30-02615-sch001.jpg

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