Macrocyclic multidentate ligands for metal ion complexation

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dc.degree.department Chemistry en_US
dc.degree.discipline Chemistry en_US
dc.degree.grantor Texas Tech University en_US
dc.degree.level Doctoral en_US
dc.degree.name Ph .D . en_US
dc.rights.availability unrestricted en_US
dc.creator Pugia , Michael Joseph en_US
dc.date.accessioned 2014 -06 -06T20 :47 :39Z
dc.date.available 2011 -02 -18T21 :29 :59Z en_US
dc.date.available 2014 -06 -06T20 :47 :39Z
dc.date.issued 1986 -12 en_US
dc.identifier.uri http : / /hdl .handle .net /2346 /16318 en_US
dc.description.abstract Synthetic methods for the preparation of novel multidentate ligands and the assessment of metal ion complexation by these ligands are described in this dissertation . The molecular structure of the multidentate ligands is systematically varied to provide a better understanding of the process of molecular complexation . Crowns ethers (macrocyclic polyethers ) with a hydroxyl and an alkyl group linked directly to the central carbon of a three carbon bridge are synthesized in one step reactions of glycol and bisphenol dianions with substituted epichlorohydrins . Crown ethers bearing two hydroxymethyl functions are prepared from benzyl -protected and allyl -protected precursors . Synthetic pathways have been established for the preparation from crown ether alcohols of crown ethers with lonizable sulfonic , phosphonic and carboxylic acid pendant arms . Neutral amide - and ester -containing pendant arms are attached to crowns by reactions with crown acid chlorides . A series of novel bis -crown ethers result from condensations of diacid chlorides with crown alcohols . Acyclic tropolone ligands are prepared by reaction of calcium tropolone with 1 ,3 -ditosyloxypropanes . en_US
dc.language.iso en _US en_US
dc.publisher Texas Tech University en_US
dc.subject Ligands en_US
dc.subject Metal ions en_US
dc.title Macrocyclic multidentate ligands for metal ion complexation en_US
dc.type Electronic Dissertation en_US

Citation

Macrocyclic multidentate ligands for metal ion complexation. Doctoral dissertation, Texas Tech University. Available electronically from http : / /hdl .handle .net /2346 /16318 .

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