Ultrasound-promoted novel route to triazabenzo[b]cyclopenta[lm]fluorenes: An efficient NiFe2O4@SiO2–SO3H nanocatalyst-assisted green synthesis,Applied Organometallic Chemistry

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Ultrasound-promoted novel route to triazabenzo[b]cyclopenta[lm]fluorenes: An efficient NiFe2O4@SiO2–SO3H nanocatalyst-assisted green synthesis
Applied Organometallic Chemistry ( IF 3.7 ) Pub Date : 2021-09-14 , DOI: 10.1002/aoc.6426
Soumyadip Basu ₁ , Sauvik Chatterjee ₂ , Asim Bhaumik ₂ , Chhanda Mukhopadhyay ₁

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A series of new triazabenzo[b]cyclopenta[lm]fluorene scaffolds have been synthesized from 1,2-phenylenediamines, isothiocyanates and ninhydrin via a heterogeneous and efficient NiFe₂O₄@SiO₂–SO₃H nanoparticle-catalysed, ultrasonic irradiation-assisted, eco-friendly protocol. The NiFe₂O₄@SiO₂–SO₃H nanopowder has been synthesized and thoroughly characterized by FTIR, powdered XRD, FESEM, HRTEM, EDX and N₂ adsorption analysis. The most desirable agenda of our methodology is to evolve an eco-friendly green protocol with minimum reaction time and easy reaction condition. A new and efficient catalyst, broad scope in substrate variation, very high yield percentages, use of green solvent and very short reaction time are the crucial advantages of our methodology.

中文翻译：

超声促进制备三氮杂苯并[b]环戊二烯[lm]芴的新途径：一种高效的NiFe2O4@SiO2-SO3H纳米催化剂辅助绿色合成

通过多相高效的 NiFe ₂ O ₄ @SiO ₂ –SO ₃ H 纳米颗粒催化的超声波辐射，从 1,2-苯二胺、异硫氰酸酯和茚三酮合成了一系列新的三氮杂苯并[b]环戊[lm]芴支架-辅助的、环保的协议。NiFe ₂ O ₄ @SiO ₂ –SO ₃ H 纳米粉末已经合成并通过 FTIR、粉末 XRD、FESEM、HRTEM、EDX 和 N _{2 进行了}彻底表征吸附分析。我们方法中最理想的议程是开发一种具有最短反应时间和简单反应条件的环保绿色协议。一种新型高效的催化剂、底物变化范围广、产率百分比非常高、使用绿色溶剂和非常短的反应时间是我们方法的关键优势。

更新日期：2021-09-14

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