Pi-Pi Interaction in the Complexes of the Pyridino-18-Crown-6 Host Molecules and Aromatic Ammonium Salts as Determined by 1H NMR Spectroscopy.

Abstract

Significant pi-pi interaction is found in the complexes of (S,S)-dimethylpyridino-18-crown-6 with (R)- and (S)-ALPHA-(1-Naphthyl)ethylammonium perchlorate. This finding is supported by the 1H NOESY NMR spectral technique, greater chemical shift changes of aromatic protons in both host and guest molecules upon complexation, and by molecular mechanics calculations.

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Document Details

Document Type
Technical Report
Publication Date
Mar 19, 1993
Accession Number
ADA262198

Entities

People

  • J. C. Curtis
  • J. S. Bradshaw
  • P. Huszthy
  • Reed Izatt
  • T.-m. Wang

Organizations

  • Brigham Young University

Tags

DTIC Thesaurus Topics

  • Abstracts
  • Ammonium Perchlorate
  • Chemical Compounds
  • Chemical Shifts
  • Chemical Synthesis
  • Chemistry
  • Crown Ethers
  • Hydrogen Bonds
  • Military Research
  • Molecules
  • Organic Chemistry
  • Organic Compounds
  • Pyridines
  • Recognition
  • Spectra
  • Spectroscopy
  • United States Government

Fields of Study

  • Chemistry

Readers

  • Electrochemical Engineering/ Fuel Cell Technologies
  • Molecular and Cellular Biochemistry
  • Quantum spin resonance or Electron Paramagnetic Resonance spectroscopy.