1,2-HOIQO--A highly versatile 1,2-HOPO analog

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A cyclic, bidentate hydroxamic acid binding unit based on an isoquinoline scaffold has been utilized for the synthesis of a hexadentate tripodal ligand based on the TREN backbone. This prototype for a new class of multidentate chelators forms mononuclear iron(III) complexes and one-dimensional coordination polymers with lanthanide(III) cations. The latter has been determined by single crystal X-ray analysis of the cerium species. The solid state structure in the monoclinic space group P2{sub 1}/c (C{sub 36}H{sub 34}CeN{sub 7}O{sub 11}, a = 12.341(2){angstrom}, b = 26.649(4){angstrom}, c = 10.621(2){angstrom}, {alpha} = {gamma} = 90{sup o}, {beta} = 96.753(3){sup o}, V = 3468.6(9) … continued below

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Seitz, Michael; Pluth, Michael D. & Raymond, Kenneth N. August 7, 2006.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by the UNT Libraries Government Documents Department to the UNT Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 99 times. More information about this article can be viewed below.

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A cyclic, bidentate hydroxamic acid binding unit based on an isoquinoline scaffold has been utilized for the synthesis of a hexadentate tripodal ligand based on the TREN backbone. This prototype for a new class of multidentate chelators forms mononuclear iron(III) complexes and one-dimensional coordination polymers with lanthanide(III) cations. The latter has been determined by single crystal X-ray analysis of the cerium species. The solid state structure in the monoclinic space group P2{sub 1}/c (C{sub 36}H{sub 34}CeN{sub 7}O{sub 11}, a = 12.341(2){angstrom}, b = 26.649(4){angstrom}, c = 10.621(2){angstrom}, {alpha} = {gamma} = 90{sup o}, {beta} = 96.753(3){sup o}, V = 3468.6(9) {angstrom}{sup 3}, Z = 4) exhibits a trigonal-dodecahedral environment around the cerium cation. The proof of concept for the versatility of the new scaffold has been shown by the modification of the crucial precursor 3-carboxyiso-coumarin through electrophilic aromatic substitutions to yield the corresponding chlorosulfonated and nitrated analogs.

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  • Journal Name: Inorganic Chemistry; Journal Volume: 46; Related Information: Journal Publication Date: 2007

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  • Report No.: LBNL--62135
  • Grant Number: DE-AC02-05CH11231
  • Grant Number: NIHHL69832
  • Office of Scientific & Technical Information Report Number: 923012
  • Archival Resource Key: ark:/67531/metadc897341

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  • August 7, 2006

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  • Sept. 27, 2016, 1:39 a.m.

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  • Dec. 13, 2016, 8:44 p.m.

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Seitz, Michael; Pluth, Michael D. & Raymond, Kenneth N. 1,2-HOIQO--A highly versatile 1,2-HOPO analog, article, August 7, 2006; Berkeley, California. (https://digital.library.unt.edu/ark:/67531/metadc897341/: accessed March 19, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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