About: New Chiral Zwitterionic Phosphorus Heterocycles: Synthesis, Structure, Properties and Application as Chiral Solvating Agents     Goto   Sponge   NotDistinct   Permalink

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Description
  • A family of new chiral zwitterionic phosphorus-containing heterocycles (zPHC) have been derived from methylene-bridged bis(imidazolines). These structures were unambiguously determined, including single-crystal XRD analysis for two compounds. The stability, acid/base and electronic properties of these dipolar phosphorus heterocycles were subsequently investigated. zPHCs can be successfully employed as a new class of chiral solvating agents for the enantiodifferentiation of chiral carboxylic and sulfonic acids by NMR spectroscopy. The stoichiometry and binding constants for the donor-acceptor complexes formed were established by NMR titration methods.
  • A family of new chiral zwitterionic phosphorus-containing heterocycles (zPHC) have been derived from methylene-bridged bis(imidazolines). These structures were unambiguously determined, including single-crystal XRD analysis for two compounds. The stability, acid/base and electronic properties of these dipolar phosphorus heterocycles were subsequently investigated. zPHCs can be successfully employed as a new class of chiral solvating agents for the enantiodifferentiation of chiral carboxylic and sulfonic acids by NMR spectroscopy. The stoichiometry and binding constants for the donor-acceptor complexes formed were established by NMR titration methods. (en)
Title
  • New Chiral Zwitterionic Phosphorus Heterocycles: Synthesis, Structure, Properties and Application as Chiral Solvating Agents
  • New Chiral Zwitterionic Phosphorus Heterocycles: Synthesis, Structure, Properties and Application as Chiral Solvating Agents (en)
skos:prefLabel
  • New Chiral Zwitterionic Phosphorus Heterocycles: Synthesis, Structure, Properties and Application as Chiral Solvating Agents
  • New Chiral Zwitterionic Phosphorus Heterocycles: Synthesis, Structure, Properties and Application as Chiral Solvating Agents (en)
skos:notation
  • RIV/00216208:11310/13:10141578!RIV14-MSM-11310___
http://linked.open...avai/riv/aktivita
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  • I, Z(MSM0021620857)
http://linked.open...iv/cisloPeriodika
  • 25
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  • 91540
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  • RIV/00216208:11310/13:10141578
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  • zwitterions; phosphorus heterocycles; NMR spectroscopy; enantioselectivity; chirality; binding constants (en)
http://linked.open.../riv/klicoveSlovo
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  • GB - Spojené království Velké Británie a Severního Irska
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  • [83461663C9BA]
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  • Chemistry - A European Journal
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  • 19
http://linked.open...iv/tvurceVysledku
  • Císařová, Ivana
  • Boltukhina, Ekaterina V.
  • Grishina, Anastasiya A.
  • Hii, King Kuok (Mimi)
  • Lyapkalo, Ilya M.
  • Sheshenev, Andrey E.
http://linked.open...ain/vavai/riv/wos
  • 000320134200018
http://linked.open...n/vavai/riv/zamer
issn
  • 0947-6539
number of pages
http://bibframe.org/vocab/doi
  • 10.1002/chem.201300062
http://localhost/t...ganizacniJednotka
  • 11310
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