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Title: Multiheteromacrocycles that complex metal ions. Sixth progress report, 1 May 1979-30 April 1980. [Hemispherands; spherands]

Abstract

Objective is to design synthesize, and evaluate cyclic and polycyclic host organic compounds for their abilities to complex and lipophilize guest metal ions, their complexes, and their clusters. Host organic compounds consist of strategically placed solvating, coordinating, and ion-pairing sites tied together by covalent bonds through hydrocarbon units around cavities shaped to be occupied by guest metal ions or by metal ions plus their ligands. Specificity in complexation is sought by matching the following properties of host and guest: cavity and metal ion sizes; geometric arrangements of binding sites; number of binding sites; character of binding sites; and valences. During this period, hemispherands based on an aryloxy or cyclic urea unit, spherands based on aryloxyl units only, and their complexes with alkali metals and alkaline earths were investigated. An attempt to separate /sup 6/Li and /sup 7/Li by gel permeation chromatography of lithiospherium chloride failed. (DLC)

Authors:
Publication Date:
Research Org.:
California Univ., Los Angeles (USA). Dept. of Chemistry
OSTI Identifier:
5130964
Report Number(s):
DOE/ER/70218-T1
DOE Contract Number:  
AT03-76ER70218
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; ALKALI METAL COMPLEXES; ALKALINE EARTH METAL COMPLEXES; HETEROCYCLIC COMPOUNDS; LIGANDS; SYNTHESIS; AROMATICS; CHLOROFORM; COMPLEXES; ORGANIC NITROGEN COMPOUNDS; ORGANIC OXYGEN COMPOUNDS; RESEARCH PROGRAMS; SOLVENT EXTRACTION; CHLORINATED ALIPHATIC HYDROCARBONS; EXTRACTION; HALOGENATED ALIPHATIC HYDROCARBONS; ORGANIC CHLORINE COMPOUNDS; ORGANIC COMPOUNDS; ORGANIC HALOGEN COMPOUNDS; SEPARATION PROCESSES; 400201* - Chemical & Physicochemical Properties

Citation Formats

Cram, D.J. Multiheteromacrocycles that complex metal ions. Sixth progress report, 1 May 1979-30 April 1980. [Hemispherands; spherands]. United States: N. p., 1980. Web. doi:10.2172/5130964.
Cram, D.J. Multiheteromacrocycles that complex metal ions. Sixth progress report, 1 May 1979-30 April 1980. [Hemispherands; spherands]. United States. doi:10.2172/5130964.
Cram, D.J. Tue . "Multiheteromacrocycles that complex metal ions. Sixth progress report, 1 May 1979-30 April 1980. [Hemispherands; spherands]". United States. doi:10.2172/5130964. https://www.osti.gov/servlets/purl/5130964.
@article{osti_5130964,
title = {Multiheteromacrocycles that complex metal ions. Sixth progress report, 1 May 1979-30 April 1980. [Hemispherands; spherands]},
author = {Cram, D.J.},
abstractNote = {Objective is to design synthesize, and evaluate cyclic and polycyclic host organic compounds for their abilities to complex and lipophilize guest metal ions, their complexes, and their clusters. Host organic compounds consist of strategically placed solvating, coordinating, and ion-pairing sites tied together by covalent bonds through hydrocarbon units around cavities shaped to be occupied by guest metal ions or by metal ions plus their ligands. Specificity in complexation is sought by matching the following properties of host and guest: cavity and metal ion sizes; geometric arrangements of binding sites; number of binding sites; character of binding sites; and valences. During this period, hemispherands based on an aryloxy or cyclic urea unit, spherands based on aryloxyl units only, and their complexes with alkali metals and alkaline earths were investigated. An attempt to separate /sup 6/Li and /sup 7/Li by gel permeation chromatography of lithiospherium chloride failed. (DLC)},
doi = {10.2172/5130964},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Jan 15 00:00:00 EST 1980},
month = {Tue Jan 15 00:00:00 EST 1980}
}

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