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Showing 1 to 12 of 81 entries
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Effective separation of the actinides Am(III) and Cm(III) by electronic modulation of bis-(1,2,4-triazin-3-yl)phenanthrolines.

Chemical communications (Cambridge, England)

Afsar A, Harwood LM, Hudson MJ, Westwood J, Geist A.
PMID: 25727341
Chem Commun (Camb). 2015 Apr 07;51(27):5860-3. doi: 10.1039/c5cc00567a. Epub 2015 Mar 02.

It has been shown that modification of the phenanthroline backbone of CyMe4-BTPhen leads to subtle electronic modulation, permitting differential ligation of Am(III) and Cm(III) resulting in separation factors up to 7.

HOF·CH3CN: probably the best oxygen transfer agent organic chemistry has to offer.

Accounts of chemical research

Rozen S.
PMID: 24871453
Acc Chem Res. 2014 Aug 19;47(8):2378-89. doi: 10.1021/ar500107b. Epub 2014 May 28.

The complex HOF·CH3CN is readily obtained by bubbling dilute fluorine into aqueous acetonitrile solution. It does not have to be purified or isolated, and its solution can react as is, after the concentration has been establish by any iodometric...

π-Conjugated [2]Catenanes Based on Oligothiophenes and Phenanthrolines: Efficient Synthesis and Electronic Properties.

Chemistry (Weinheim an der Bergstrasse, Germany)

Götz G, Zhu X, Mishra A, Segura JL, Mena-Osteritz E, Bäuerle P.
PMID: 25820180
Chemistry. 2015 May 04;21(19):7193-210. doi: 10.1002/chem.201406039. Epub 2015 Mar 25.

Novel π-conjugated topologies based on oligothiophenes and phenanthroline have been assembled by combining their outstanding electronic and structural benefits with the specific properties of the topological structure. Macrocycles and catenanes are prepared by using an optimized protocol of transition...

Torands Revisited: Metal Sequestration and Self-Assembly of Cyclo-2,9-tris-1,10-phenanthroline Hexaaza Macrocycles.

Chemistry (Weinheim an der Bergstrasse, Germany)

Schwab MG, Takase M, Mavrinsky A, Pisula W, Feng X, Gámez JA, Thiel W, Mali KS, de Feyter S, Müllen K.
PMID: 25867924
Chemistry. 2015 Jun 01;21(23):8426-34. doi: 10.1002/chem.201406602. Epub 2015 Apr 13.

A series of novel toroidal cyclo-2,9-tris-1,10-phenanthroline macrocycles with an unusual hexaaza cavity are reported. Nickel-mediated Yamamoto aryl-aryl coupling was found to be a versatile tool for the cyclotrimerization of functionalized 1,10-phenathroline precursors. Due to the now improved processability, both...

Steric Crowding and Redox Reactivity in Platinum(II) and Platinum(IV) Complexes Containing Substituted 1,10-Phenanthrolines.

Inorganic chemistry

Fanizzi FP, Natile G, Lanfranchi M, Tiripicchio A, Laschi F, Zanello P.
PMID: 11666514
Inorg Chem. 1996 May 22;35(11):3173-3182. doi: 10.1021/ic960125y.

The effect of the phenanthroline substituents on the structure and reactivity of platinum(II) and platinum(IV) complexes has been investigated. The X-ray crystal structures of the compounds [PtI(2)(4,7-Ph(2)phen)].CHCl(3) (1dz.CHCl(3)), [PtI(4)(4,7-Ph(2)phen)].CHCl(3) (2dz.CHCl(3)), [PtI(2)(2,9-Me(2)-4,7-Ph(2)phen)] (1fz), and [PtI(4)(2,9-Me(2)-4,7-Ph(2)phen)].I(2) (2fz.I(2)) have shown that complexes...

Diastereoselective Formation and Photophysical Behavior of a Chiral Copper(I) Phenanthroline Complex.

Inorganic chemistry

Riesgo EC, Credi A, De Cola L, Thummel RP.
PMID: 11670368
Inorg Chem. 1998 May 04;37(9):2145-2149. doi: 10.1021/ic971267a.

The Friedländer condensation of (1R,5S)-(+)- and (1S,5R)-(-)-nopinone with 8-aminoquinoline-7-carbaldehyde leads to the corresponding enantiomerically pure (2,3-b)-pineno-1,10-phenanthrolines. Coordination of these ligands with Cu(I) affords non-interconvertable chiral complexes which show equal and opposite Cotton effects in their CD spectra as well...

Cooperative Substituent Effects on the Excited States of Copper Phenanthrolines.

Inorganic chemistry

Cunningham CT, Cunningham KL, Michalec JF, McMillin DR.
PMID: 11671147
Inorg Chem. 1999 Oct 04;38(20):4388-4392. doi: 10.1021/ic9906611.

Copper phenanthrolines are attractive as potential photosensitizers because of the ready availability of the metal, but efficient nonradiative decay including a solvent-induced quenching phenomenon ordinarily limits their utility. However, the present studies show that the addition of methyl substituents...

Ruthenium(II) Complexes of 2-Aryl-1,10-phenanthrolines: Synthesis, Structure, and Photophysical Properties.

Inorganic chemistry

Wu F, Riesgo E, Pavalova A, Kipp RA, Schmehl RH, Thummel RP.
PMID: 11671292
Inorg Chem. 1999 Nov 29;38(24):5620-5628. doi: 10.1021/ic990706y.

The synthesis, characterization, and photochemical investigation of a series of Ru(II) complexes having 2-phenyl- and 2,9-diphenyl substituted phenanthroline ligands are reported. Structural characterization of some of the complexes revealed that the phenyl substituents of the phenanthroline ligand are oriented...

Cyclometallated iridium(III) complexes with substituted 1,10-phenanthrolines: a new class of highly active organometallic second order NLO-phores with excellent transparency with respect to second harmonic emission.

Chemical communications (Cambridge, England)

Dragonetti C, Righetto S, Roberto D, Ugo R, Valore A, Fantacci S, Sgamellotti A, De Angelis F.
PMID: 17925947
Chem Commun (Camb). 2007 Oct 28;(40):4116-8. doi: 10.1039/b708073e. Epub 2007 Aug 02.

[Ir(ppy)(2)(5-R-1,10-phen)][PF(6)] (ppy = cyclometallated 2-phenylpyridine, phen = phenanthroline, R = H, Me, NMe(2), NO(2)) and [Ir(ppy)(2)(4-R',7-R'-1,10-phen)][PF(6)] (R' = Me, Ph) complexes are characterized by one of the highest second order NLO response (measured by the EFISH technique) reported for...

Synthesis and Biological Activity of Manganese (II) Complexes of Phthalic and Isophthalic Acid: X-Ray Crystal Structures of [Mn(ph)(Phen)(2)(H(2)O)]. 4H(2)O, [Mn(Phen)(2)(H(2)O)(2)](2)(Isoph)(2)(Phen). 12H(2)O and {[Mn(Isoph)(bipy)](4). 2.75biby}(n)(phH(2) = Phthalic Acid; isoph = Isophthalic Acid; phen = 1,10-Phenanthroline; bipy = 2,2-Bipyridine).

Metal-based drugs

Devereux M, McCann M, Leon V, Geraghty M, McKee V, Wikaira J.
PMID: 18475957
Met Based Drugs. 2000;7(5):275-88. doi: 10.1155/MBD.2000.275.

Manganese(II) acetate reacts with phthalic acid (phH(2)) to give [Mn(ph)].0.5H(2)O (1). Reaction of 1 with 1,10-phenanthroline produces [Mn(ph)(phen)].2H(2)O (2) and [Mn(ph)(phen)(2)(H(2)O)].4H(2)O (3). Reaction of isophthalic acid (isophH(2)) with manganese(II) acetate results in the formation of [Mn(isoph)].2H(2)O (4). The addition...

Evaluation of the donor ability of phenanthrolines in iridium complexes by means of synchrotron radiation photoemission spectroscopy and DFT calculations.

Dalton transactions (Cambridge, England : 2003)

Crotti C, Farnetti E, Filipuzzi S, Stener M, Zangrando E, Moras P.
PMID: 17160183
Dalton Trans. 2007 Jan 07;(1):133-42. doi: 10.1039/b613837c. Epub 2006 Nov 08.

Synchrotron radiation XPS measurements of Ir 4f, N 1s and I 4d core levels for the compounds Ir(cod)(N-N)X (cod=1,5-cyclooctadiene; N-N=1,10-phenanthroline and substituted derivatives; X=Cl, I) are reported. The compounds Ir(cod)(3,4,7,8-Me4phen)X (3,4,7,8-Me4phen=3,4,7,8-tetramethyl-1,10-phenanthroline) were structurally characterized by single crystal X-ray analyses....

Chromium(III) complexes bearing 2-benzazole-1,10-phenanthrolines: synthesis, molecular structures and ethylene oligomerization and polymerization.

Dalton transactions (Cambridge, England : 2003)

Zhang M, Wang K, Sun WH.
PMID: 19655069
Dalton Trans. 2009 Aug 28;(32):6354-63. doi: 10.1039/b902361e. Epub 2009 Jun 24.

The 2-benzazole-1,10-phenanthrolines and their chromium(III) complexes were synthesized and characterized by elemental and spectroscopic analyses as well as by single-crystal X-ray crystallography. X-Ray crystallographic analyses of C6 and C8 reveal an octahedral geometry around both chromium centers. The electronic...

Showing 1 to 12 of 81 entries