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Showing 25 to 36 of 78 entries
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Synthesis, characterization, and crystal structures of two divalent metal diphosphonates with a layered and a 3D network structure.

Inorganic chemistry

Mao JG, Wang Z, Clearfield A.
PMID: 11978095
Inorg Chem. 2002 May 06;41(9):2334-40. doi: 10.1021/ic011202e.

Reactions of N-methyliminobis(methylenephosphonic acid), CH(3)N(CH(2)PO(3)H(2))(2) (H(4)L), with divalent metal acetates under different conditions result in metal diphosphonates with different structures. Mn(H(3)L)(2).2H(2)O (complex 1) with a layer structure was prepared by a layering technique. It is triclinic, P1 macro with...

Synthesis and characterization of three novel cation-containing (NH4+/C3H7NH3+/NH3+C2H4NH3+) aluminum diphosphonates.

Inorganic chemistry

Harvey HG, Teat SJ, Tang CC, Cranswick LM, Attfield MP.
PMID: 12665380
Inorg Chem. 2003 Apr 07;42(7):2428-39. doi: 10.1021/ic020641q.

Three new aluminum diphosphonates (C(3)H(7)NH(3))[AlF[(HO)O(2)PC(2)H(4)PO(3)]] (1) (orthorhombic, Pnma, a = 8.2048(1) A, b = 6.90056(6) A, c = 19.6598(4) A, Z = 4), (H(3)NC(2)H(4)NH(3))[Al(OH)(O(3)PC(2)H(4)PO(3))] (2) (monoclinic, P2(1)/n, a = 11.142(3) A, b = 7.008(2) A, c = 12.903(5) A,...

Syntheses, structures, and magnetic properties of mixed-valent diruthenium(II,III) diphosphonates with discrete and one-dimensional structures.

Inorganic chemistry

Yi XY, Liu B, Jiménez-Aparicio R, Urbanos FA, Gao S, Xu W, Chen JS, Song Y, Zheng LM.
PMID: 15934761
Inorg Chem. 2005 Jun 13;44(12):4309-14. doi: 10.1021/ic048340z.

Four mixed-valent ruthenium diphosphonates, namely, Na(4)[Ru(2)(hedp)(2)X]x16H(2)O [X = Cl (1), Br (2)], K(3)[Ru(2)(hedp)(2)(H(2)O)(2)]x6H(2)O (3), and Na(7)[Ru(2)(hedp)(2)Fe(CN)(6)]x24H(2)O (4), where hedp represents 1-hydroxyethylidenediphosphonate [CH(3)C(OH)(PO(3))(2)](4-), were synthesized and structurally characterized. Compounds 1, 2, and 4 show linear chain structures in which the...

Rational design of new bright luminescent zinc diphosphonates with 12-member ring channels.

Inorganic chemistry

Fu R, Huang X, Hu S, Xiang S, Wu X.
PMID: 16813380
Inorg Chem. 2006 Jul 10;45(14):5254-6. doi: 10.1021/ic060608u.

Three new zinc diphosphonates possessing bright purple fluorescence, high thermal stability, and an intriguing 3D pillared open framework with 1D 12-member ring channels encapsulating luminescent guest have been rationally designed and synthesized by introducing a luminescent guest as a...

Radioisotope examination in the evaluation of complications followed the implantation of joint prostheses.

Ortopedia, traumatologia, rehabilitacja

Królicki L, Andrysiak R, Ruszczyńska M, Mianowicz J.
PMID: 17986954
Ortop Traumatol Rehabil. 2001 Jan-Mar;3(1):11-4.

Advances in orthopedic reconstructive and reparative techniques have resulted in a new population of patients suffering complications from these surgical procedures. Radionuclide examinations play an important role in the diagnosis of various types of complications following prosthesis implantation. Orthopedists...

Template- and pH-directed assembly of diruthenium diphosphonates with different topologies and oxidation states.

Inorganic chemistry

Liu B, Yin P, Yi XY, Gao S, Zheng LM.
PMID: 16676983
Inorg Chem. 2006 May 15;45(10):4205-13. doi: 10.1021/ic060041h.

In the presence of organic templates, six diruthenium diphosphonates, namely, [H3N(CH2)3NH3]2[Ru2(hedp)2] (1), [H3N(CH2)4NH3]2[Ru2(hedp)2].4H2O (2), [H3N(CH2)5NH3]2[Ru2(hedp)2].4H2O (3), [H3N(CH2)3NH3][Ru2(hedp)(hedpH)].H2O (4), [H3N(CH2)4NH3][Ru2(hedpH(0.5))2].2H2O (5), and [H3N(CH2)5NH3]2[Ru2(hedp)2][Ru2(hedpH)2]] (6) [hedp = 1-hydroxyethylidenediphosphonate, CH3C(OH)(PO3)2] have been synthesized under hydrothermal conditions. Compounds 1-3 contain homovalent paddlewheel cores...

The use of lanthanide luminescence as a reporter in the solid state: Desymmetrization of the prochiral layers of γ-zirconium phosphate/phosphonate and circularly polarized luminescence.

Microporous and mesoporous materials : the official journal of the International Zeolite Association

Brunet E, Jiménez L, de Victoria-Rodriguez M, Luu V, Muller G, Juanes O, Rodríguez-Ubis JC.
PMID: 23329880
Microporous Mesoporous Mater. 2013 Mar 15;169:222-234. doi: 10.1016/j.micromeso.2012.11.009.

Solid-state CPL measurements were performed for the first time on hybrid, laminar materials based on γ-ZrP pillared with organic diphosphonates. Ad hoc optically pure diphosphonates were synthesized and the luminescence properties of their complexation with Tb(III) were verified in...

Uranyl diphosphonates with pillared structures.

Inorganic chemistry

Adelani PO, Albrecht-Schmitt TE.
PMID: 19326926
Inorg Chem. 2009 Apr 06;48(7):2732-4. doi: 10.1021/ic900172s.

A series of five uranyl diphosphonates with pillared and canted pillared structures have been prepared and characterized. These compounds are constructed from UO(6) tetragonal bipyramids and UO(7) pentagonal bipyramids that are bridged by the diphosphonate anions. All of these...

The Efficacy of Bisphosphonates for Prevention of Osteoporotic Fracture: An Update Meta-analysis.

Journal of bone metabolism

Byun JH, Jang S, Lee S, Park S, Yoon HK, Yoon BH, Ha YC.
PMID: 28326300
J Bone Metab. 2017 Feb;24(1):37-49. doi: 10.11005/jbm.2017.24.1.37. Epub 2017 Feb 28.

BACKGROUND: The efficacy of bisphosphonates for osteoporotic fracture has been consistently reported in recent randomized controlled trials (RCTs) enrolling hundreds of patients. The objective of this study was to update knowledge on the efficacy of available bisphosphonates in the...

Syntheses and characterization of phosphonates and diphosphonates of molybdenum, A.

Dalton transactions (Cambridge, England : 2003)

Elias Jesu Packiam D, Vidyasagar K.
PMID: 29125165
Dalton Trans. 2017 Nov 28;46(46):16102-16112. doi: 10.1039/c7dt03012f.

Twenty new molybdenum phosphonates and diphosphonates have been synthesized and structurally characterized by single crystal and powder X-ray diffraction, CHN analyses, spectroscopic and thermal studies. Four of them are molecular phenyl- and benzyl-phosphonates containing discrete [(MoO

Structural, spectral and magnetic studies of two Co(II)-N-heterocyclic diphosphonates based on multinuclear units.

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy

Zhao C, Ma KR, Zhang Y, Kan YH, Li RQ, Hu HY.
PMID: 26301543
Spectrochim Acta A Mol Biomol Spectrosc. 2016 Jan 15;153:171-7. doi: 10.1016/j.saa.2015.08.017. Epub 2015 Aug 13.

Two examples of Co(II)-N-heterocyclic coordination polymers based on 1-hydroxyethylidenediphosphonic acid (H5L=CH3C(OH)(PO3H2)2), namely 0.5(H3NCH2CH2NH3)·[Co6(Cl2)(H3L)2(H2L)(HL)(2,2'-bipy)6] 1 and 2(NH4)·[Co3(HL)2(H2O)2(phen)2]·2(H2O) 2, have been solvothermally obtained by introducing the second ligands 2,2'-bipyridine/1,10-phenanthroline (2,2'-bipy/phen) and characterized by powder X-ray diffraction (PXRD), elemental analysis, IR, TG-DSC....

Bipyridine-triggered modulation of structure and properties of zinc-diphosphonates: coordination role vs. template rule.

Dalton transactions (Cambridge, England : 2003)

Ma YJ, Han SD, Mu Y, Pan J, Li JH, Wang GM.
PMID: 29327745
Dalton Trans. 2018 Jan 30;47(5):1650-1656. doi: 10.1039/c7dt04542e.

Two zinc-diphosphonates driven by 4,4'-bipyridine (4,4'-bipy), [Zn

Showing 25 to 36 of 78 entries