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首页> 外文期刊>New Journal of Chemistry >Recurrent pi-pi stacking motifs in three new 4,5-dihydropyrazolyl-thiazole-coumarin hybrids: X-ray characterization, Hirshfeld surface analysis and DFT calculations
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Recurrent pi-pi stacking motifs in three new 4,5-dihydropyrazolyl-thiazole-coumarin hybrids: X-ray characterization, Hirshfeld surface analysis and DFT calculations

机译:在三种新的4,5-二氢吡唑基 - 香豆素杂交种中复发性PI-PI堆叠图案:X射线表征,HIRSHFELD表面分析和DFT计算

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摘要

The synthesis and X-ray characterization of three new 4,5-dihydropyrazolylthiazole-coumarin hybrids (1-3) are reported herein, namely 3-(2-(3,5-bis(4-chlorophenyl)-4,5-dihydropyrazol-1-yl)thiazol-4-yl)-2H-chromen-2-one (1), 3-(2-(5-(4-chlorophenyl)-4,5-dihydro-3-phenylpyrazol-1-yl)thiazol-4-yl)-2H-chromen-2-one (2) and 3-(2-(3-(4-chlorophenyl)-4,5-dihydro-5-p-tolylpyrazol-1-yl)thiazol-4-yl)-2H-chromen-2-one (3). A detailed structural analysis of the noncovalent interactions and their evaluation using Hirshfeld surface analysis is also reported, evidencing the importance of C-HMIDLINE HORIZONTAL ELLIPSISO and pi-pi interactions. Finally, DFT calculations along with the molecular electrostatic potential (MEP) and NCIplot index analysis have been used to evaluate those interactions energetically and to investigate the relative importance of two different pi-stacking modes that are recurrent binding motifs in the solid state architecture of the three complexes.
机译:本文报道了三种新的4,5-二氢吡唑烷酰基唑 - 香豆素杂交种(1-3)的合成和X射线表征,即3-(2-(3,5-双(4-氯苯基)-4,5-二氢吡唑 -1-yl)噻唑-4-基)-2H-色度-2-一(1),3-(2-(5-(4-氯苯基)-4,5-二氢-3-苯基吡唑-1-基 )噻唑-4-基)-2H-色度-2-一(2)和3-(2-(3-(4-(4-(4-(4-(4-(4-(4-)-4,5-二氢-5-p-甲苯吡唑-1-基)噻唑 -4-yl)-2h-色度-2-一(3)。 还报道了使用HIRSHFELD表面分析的非共价相互作用及其评价的详细结构分析,证明了C-Hmidline水平椭圆形和PI-PI相互作用的重要性。 最后,已经使用DFT计算以及分子静电电位(MEP)和NCIPLOT指数分析来大致地评估这些相互作用,并研究两种不同的PI堆叠模式的相对重要性,其在固态架构中是经复制的结合基序。 三个复合物。

著录项

  • 来源
    《New Journal of Chemistry》 |2020年第34期|共12页
  • 作者单位

    Quaid I Azam Univ Dept Chem Islamabad 45320 Pakistan;

    Univ Azad Jammu &

    Kashmir Dept Chem Muzaffarabad 13100 Pakistan;

    Univ Azad Jammu &

    Kashmir Dept Chem Muzaffarabad 13100 Pakistan;

    Univ Sargodha Dept Phys Sargodha Pakistan;

    Univ Sargodha Dept Phys Sargodha Pakistan;

    Univ Nacl Tucuman INBIOFAL CONICET UNT Inst Quim Organ Catedra Quim Organ 1 Fac Bioquim Tucuman &

    Farm San Miguel De Tucuman Tucuman Argentina;

    Univ Illes Balears Dept Quim Crta Valldemossa Km 7-5 Palma De Mallorca 07122 Baleares Spain;

    Quaid I Azam Univ Dept Chem Islamabad 45320 Pakistan;

    Univ Illes Balears Dept Quim Crta Valldemossa Km 7-5 Palma De Mallorca 07122 Baleares Spain;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
  • 关键词

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