Macrocycles Containing Tin; a Small Exclusive Host for the Fluoride Ion

Abstract

The binding of halide ions by host 1 (1, 8-dichloro-1,8-distanna- bicyclo(6.6.6)eicosane) in solution have been studied Nuclear Magnetic Resonance (NMR) spectroscopy. In CDCl3 solutions, host 1 maintains its structural integrity in the presence of tetraalkylammonium halides. Host 1 shows no binding properties towards chloride, bromide or iodide ions. Molecular recognition of anionic guests by multidentate, Lewis acidic hosts in organic media has been observed in only limited cases. Further, neutral, macrocyclic receptors for anions or bases have just begun to receive properties of a series of Lewis acidic macrobicyclic hosts (1-4) containing bridgehead tin atoms. organometallic compounds.

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Document Details

Document Type
Technical Report
Publication Date
May 31, 1988
Accession Number
ADA196616

Entities

People

  • Martin Newcomb
  • Michael T. Blanda

Organizations

  • Texas A&M University

Tags

Communities of Interest

  • Ground and Sea Platforms
  • Space
  • Weapons Technologies

DTIC Thesaurus Topics

  • California
  • Chemical Shifts
  • Chemical Synthesis
  • Chemistry
  • Chlorides
  • Crystal Structure
  • Fluorides
  • Halides
  • Magnetic Resonance
  • Military Research
  • New York
  • North Carolina
  • Nuclear Magnetic Resonance
  • Spectroscopy
  • Structural Integrity
  • United States
  • Universities

Fields of Study

  • Chemistry

Readers

  • Electrochemical Engineering/ Fuel Cell Technologies
  • Immunology
  • Surface Engineering/Surface Coating Technology.