acridine derivatives
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2021 ◽  
pp. 131081
Author(s):  
Zeinab Jafarian ◽  
Mohammad Nikpassand ◽  
Afshin Pourahmad ◽  
Leila Zare Fekri
Keyword(s):  

2021 ◽  
Vol 18 ◽  
Author(s):  
Mohammad Nikpassand ◽  
Leila Zare Fekri ◽  
Afshin Pourahmad ◽  
Zeinab Jafarian

Introduction: In this study, the synthesis of azo-linked acridine by the reaction of dimedone and synthesized diazoaryl-(2-amino-5-(phenyl)methanone using Ag2S/RHA-MCM-41nanocomposite is reported. Materials and Methods: The synthesized catalyst was characterized by FT-IR, XRD, and SEM. According to the obtained results, Ag2S/RHA-MCM-41 nanocomposite exhibited high activity in the synthesis of azo-acridine derivatives based on desirable yields and reaction time. Products were prepared in 1.5-2 h and with 88-93% yield. In all the reactions, the catalyst could be easily removed and reused, and its catalytic activity was maintained after five uses and did not decrease significantly. The structures of all newly synthesized products were characterized by spectroscopic spectra (FT-IR, 1H NMR, 13C NMR) and elemental analyses. Results and Discussion: The results of the study showed that ionic liquid [DBU]OAc (entry 8) and MCM-41/Ag2S-RHA nanocomposite (entry 8) possessed better efficiency and shorter time than other reaction conditions. Conclusion: In this study, new azo-linked acridine derivatives were synthesized by the reaction of different azo derivatives and dimedone using MCM-41/Ag2S-RHA nanocomposite, and the reaction products were obtained in 1.5-2 h with an efficiency of 88-93%. The short reaction time and high efficiency of the obtained products indicated the high efficiency of this method. In all the reactions, MCM-41/Ag2S-RHA nanocomposite could be easily removed and reused. Its catalytic activity was maintained in the sample reaction after five runs and did not decrease significantly.


RNA Biology ◽  
2021 ◽  
pp. 1-17
Author(s):  
Shuangshuang Kang ◽  
Jiaojiao Cao ◽  
Meiling Zhang ◽  
Xiaoya Li ◽  
Qian-Liang Guo ◽  
...  

2020 ◽  
Vol 17 (12) ◽  
pp. 944-950
Author(s):  
Shangrong Zhu ◽  
Xuechen Lu ◽  
Qiuneng Xu ◽  
Jian Li ◽  
Shenghu Yan

A straightforward and efficient synthesis of acridine derivatives via a copper-catalyzed cascade reaction among isoxazoles and diaryliodonium salts is achieved. Various mono-, multi-substituted and 9-substituted acridine derivatives could be obtained in moderate to good yields. The process has gone through tandem double arylation and Friedel-Crafts reactions.


2020 ◽  
Vol 105 ◽  
pp. 104457
Author(s):  
Safa Lotfi ◽  
Talat Rahmani ◽  
Maryam Hatami ◽  
Behjat Pouramiri ◽  
Esmat Tavakolinejad Kermani ◽  
...  

2020 ◽  
Vol 88 ◽  
pp. 107321
Author(s):  
Kamila Czarnecka ◽  
Pawel Lisiecki ◽  
Eligia Szewczyk ◽  
Nina Chufarova ◽  
Przemysław Wójtowicz ◽  
...  

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