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|a (TOE)ost4086876
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|a (TOE)4086876
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|a TOE
|c TOE
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|a GDWR
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|a 40
|2 edbsc
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|a E 1.99:ucla--34p218x2
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| 086 |
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|a E 1.99:ucla--34p218x2
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|a ucla--34p218x2
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|a Multiheteromacrocycles that complex metal ions. Second progress report, 1 May 1975--30 April 1976
|h [electronic resource]
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| 260 |
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|a Livermore, Calif. :
|b Lawrence Livermore Laboratory ;
|a Oak Ridge, Tenn. :
|b distributed by the Office of Scientific and Technical Information, U.S. Department of Energy,
|c 1976.
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| 336 |
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|a text
|b txt
|2 rdacontent.
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| 337 |
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|a computer
|b c
|2 rdamedia.
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| 338 |
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|a online resource
|b cr
|2 rdacarrier.
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|a Published through SciTech Connect.
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| 500 |
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|a 01/15/1976.
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| 500 |
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|a "ucla--34p218x2"
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|a Cram, D.J.
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|a Objective is to develop cyclic and polycyclic host organic compounds to complex and lipophilize metal ions. Macrorings were synthesized: (OCH$sub 2$ CH$sub 2$ O CH$sub 2$COCH$sub 2$ COCH$sub 2$)$sub 2$ and (OCH$sub 2$ CH$sub 2$ O CH$sub 2$ COCH$sub 2$ COCH$sub 2$)$sub 3$. The smaller ring complexes divalent metals 10$sup 1+9$ times better than the open-chain model CH$sub 3$ O CH$sub 2$ CO CH$sub 2$ COCH$sub 2$ O CH$sub 3$, and the order in which metal ions are complexed is Cu$sup 2+$, UO$sub 2$$sup 2+$ greater than Ni$sup 2+$ greater than Fe$sup 2+$, Co$sup 2+$, Zn$sup 2+$, Cd$sup 2+$ greater than Mn$sup 2+$. The UO$sub 2$$sup 2+$ and Cu$sup 2+$ complexes were isolated and characterized. The larger ring complexes trivalent metals 10/sup 0.9-1.7/ times better than the open- chain model compound, and the order is La$sup 3+$, Ce$sup 3+$ greater than Cr$sup 3+$. Five other macrocycles were also synthesized, and their binding constants with Na, K, NH$sub 4$, and Cs picrates were measured. Six compounds containing one macroring and two inward-pointing ArOH or ArOCH$sub 3$ groups were also prepared and tested for binding of Li, Na, K, Rb, and NH$sub 4$ picrates. Racemic compounds containing two binaphthyls and its sulfur analog were prepared. Cage-shaped multiheteromacrocycles containing ten O ligand sites or four S and six O ligand sites were prepared and the binding capability of the first compound for picrates studied. Two ring systems with phosphonate ester groups were also prepared. (DLC)
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| 536 |
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|b AT(04-3)-34.
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| 650 |
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|a *Cadmium Complexes-- Stability.
|2 local.
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| 650 |
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|a *Cerium Complexes-- Stability.
|2 local.
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| 650 |
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|a *Heterocyclic Compounds-- Chemical Preparation.
|2 local.
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| 650 |
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|a *Lanthanum Complexes-- Stability.
|2 local.
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| 650 |
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|a *Organic Compounds-- Chemical Preparation.
|2 local.
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| 650 |
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|a *Uranyl Complexes-- Stability.
|2 local.
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| 650 |
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|a Chromium Complexes.
|2 local.
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| 650 |
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|a Cobalt Complexes.
|2 local.
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| 650 |
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|a Complexes.
|2 local.
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| 650 |
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|a Copper Complexes.
|2 local.
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| 650 |
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|a Iron Complexes.
|2 local.
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| 650 |
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|a Manganese Complexes.
|2 local.
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| 650 |
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|a Nickel Complexes.
|2 local.
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| 650 |
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|a Zinc Complexes.
|2 local.
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| 650 |
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|a N40200* --Chemistry--Inorganic, Organic, & Physical Chemistry.
|2 edbsc.
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| 650 |
|
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|a 0300* --Chemistry--Organic Chemistry.
|2 edbsc.
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| 710 |
2 |
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|a Lawrence Livermore Laboratory.
|4 res.
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| 710 |
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|a United States.
|b Department of Energy.
|b Office of Scientific and Technical Information.
|4 dst.
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| 856 |
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|u http://www.osti.gov/scitech/biblio/4086876
|z Online Access
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| 907 |
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|a .b88406970
|b 03-08-23
|c 09-09-16
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| 998 |
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|a web
|b 09-09-16
|c f
|d m
|e p
|f eng
|g
|h 0
|i 1
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| 956 |
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|a Information bridge
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|i 9aefeae3-87db-5a07-891c-ef36c09863f2
|s fd77b5ce-f60a-52af-b928-badf20a87e59
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| 952 |
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|p Can circulate
|a University of Colorado Boulder
|b Online
|c Online
|d Online
|e E 1.99:ucla--34p218x2
|h Superintendent of Documents classification
|i web
|n 1
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