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首页> 外文期刊>Crystal growth & design >Asymmetric Molecular Rotors Based on Steroidal Fragments. Organic Building Blocks Displaying Versatile Supramolecular Steroid-Stacking Interactions
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Asymmetric Molecular Rotors Based on Steroidal Fragments. Organic Building Blocks Displaying Versatile Supramolecular Steroid-Stacking Interactions

机译：基于甾体片段的不对称分子转子。 有机积木显示多功能超分子类固醇堆叠相互作用

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摘要

The synthesis, characterization, and crystal structure analysis of five new steroidal molecular rotors constructed from two different building blocks, viz., mestranol, ethynylestradiol, levonorgestrel, ethisterone, norethisterone, and 17 alpha-ethynyl-5 alpha-androstane-3 beta-17 beta-diacetate, are reported. The different steroidal frameworks were examined in order to correlate intermolecular interactions displayed by their functional groups with defined supra molecular arrangements. The reaction cavity concept was explored as an aid to rationalize the potential dynamic behavior of these systems; however, reorganization of the lattice during the plausible phenylene flips precluded a straightforward interpretation. Asymmetric molecular rotors displayed stacked steroidal fragments that are structurally related to the steroid alpha center dot center dot center dot pi stacking observed in previously reported systems. Additionally, these systems could be useful to explore cooperativity between supramolecular interactions involving small solvent molecules.
机译：来自两种不同建筑块，枸醇，乙炔雌二醇，左旋霉素，乙烯，诺瑟酮和17α-乙炔基-5α-androstane-3 Beta-17的合成，表征和晶体结构分析。据报道β-二乙酸酯。检查不同的甾体骨架，以便将其官能团显示的分子间相互作用与定义的同上分子布置相关。反应腔概念被探索为合理化这些系统的潜在动态行为的援助;然而，在合理的亚苯基翻转期间晶格的重组排除了直接的解释。在先前报告的系统中观察到的与类固醇α中心点中心点中心点PI堆叠形成堆叠的甾体分子转子，这些分子转子呈现堆叠的甾体片段。另外，这些系统可用于探讨涉及小溶剂分子的超分子相互作用之间的合作。

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  • 来源
    《Crystal growth & design》 |2019年第11期|共13页
  • 作者

    Eugenia Ochoa Maria; Arcos-Ramos Rafael; Ramirez-Montes Pedro I; Hopfl Herbert; Leyva Marco A.; Farfan Norberto; Santillan Rosa;

  • 作者单位

    IPN Dept Quim Ctr Invest &

    Estudios Avanzados Apdo Postal 14-740 Ciudad De Mexico 07000 Mexico;

    Univ Nacl Autonoma Mexico Inst Ciencias Nucl Dept Quim Radiac &

    Radioquim Ciudad De Mexico 04510 Mexico;

    IPN Dept Quim Ctr Invest &

    Estudios Avanzados Apdo Postal 14-740 Ciudad De Mexico 07000 Mexico;

    Univ Autonoma Estado Morelos Ctr Invest Quim Inst Invest Ciencias Basicas &

    Aplicadas Ciudad De Mexico 04510 Mexico;

    IPN Dept Quim Ctr Invest &

    Estudios Avanzados Apdo Postal 14-740 Ciudad De Mexico 07000 Mexico;

    Univ Nacl Autonoma Mexico Fac Quim Dept Quim Organ Ciudad De Mexico 04510 Mexico;

    IPN Dept Quim Ctr Invest &

    Estudios Avanzados Apdo Postal 14-740 Ciudad De Mexico 07000 Mexico;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 晶体学;
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