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首页> 外文期刊>RSC Advances >Synthesis of new fused heterocyclic aromatic hydrocarbons via C-S and C-C bond formation by C-H bond activation in the presence of new Pd(II) Schiff's base complexes
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Synthesis of new fused heterocyclic aromatic hydrocarbons via C-S and C-C bond formation by C-H bond activation in the presence of new Pd(II) Schiff's base complexes

机译：C-S和C-C键在新PD（II）席夫碱基复合物存在下C-S和C-C键合的新熔融杂环芳烃烃

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摘要

The Schiff's base aza-macrocyclic Pd(DPTTP)Cl-2 and Pd(TPTTP)Cl-2 complexes are efficient photocatalysts for the activation of the C-H bond and the formation of both intramolecular C-C bond and C-S bonds to obtain the fused heterocyclic system. Both ligands and Pd(II) complexes are well characterized by experimental and theoretical techniques such as microanalyses, mass, surface area, SEM, TGA, XPS, IR, UV-visible, H-1-NMR, DFT and TDDFT methods. C-H bond activation was confirmed by sequential reactions and the data were supported by a one-pot synthesis product. Optimization of the intensity of visible light of the photocatalytic reactions. Finally, the sp(2)-H bond activation via the formation of the C-S and intramolecular C-C bonds in the presence of both the complexes were performed under visible light irradiation to obtain the new fused system, pyrido[3',2': 6,7][1,4]thiazepino[2,3-h][1,6] naphthyridine. It is also shown that the performance of the Pd(TPTTP)Cl-2 is better than that of Pd(DPTT)Cl-2 due to its high surface area and low bandgap energy.
机译：Schiff的基础AZA-MacroCyclic PD（DPTTP）Cl-2和Pd（TPTTP）Cl-2络合物是用于活化C-H键的有效光催化剂，并形成分子内C-C键和C-S键的形成，得到稠合的杂环系统。配体和Pd（II）复合物的特征在于，通过实验和理论技术，如微脉灰，质量，表面积，SEM，TGA，XPS，IR，UV可见，H-1-NMR，DFT和TDDFT方法。通过顺序反应确认C-H键活化，通过单盆合成产品支持数据。优化光催化反应的可见光强度。最后，通过形成Cs和分子内CC键在两种复合物存在下进行SP（2）-H键活化在可见光照射下进行，以获得新的融合系统，Pyrido [3'，2'：6 ，7] [1,4]噻嗪基[2,3-h] [1,6]萘啶。还示出了由于其高表面积和低带隙能量，PD（TPTTP）CL-2的性能优于PD（DPTT）CL-2的性能。

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  • 来源
    《RSC Advances》 |2016年第91期|共11页
  • 作者

    Pola Someshwar; Bhongiri Yadagiri; Jadhav Ramchander; Ch Prabhakar; Venkanna G.;

  • 作者单位

    Osmania Univ Nizam Coll Dept Chem Hyderabad Andhra Pradesh India;

    Osmania Univ Nizam Coll Dept Chem Hyderabad Andhra Pradesh India;

    Osmania Univ Nizam Coll Dept Chem Hyderabad Andhra Pradesh India;

    Natl Inst Technol Dept Chem Kurukshetra Haryana India;

    Osmania Univ Nizam Coll Dept Chem Hyderabad Andhra Pradesh India;

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