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Showing 1 to 12 of 16 entries
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Phosphonopropionic acid as a building block in supramolecular chemistry: salts with organic diamines.

Acta crystallographica. Section B, Structural science

Bowes KF, Ferguson G, Lough AJ, Glidewell C.
PMID: 12657817
Acta Crystallogr B. 2003 Apr;59:248-62. doi: 10.1107/s0108768102021237. Epub 2003 Mar 26.

The structures of seven salts formed by phosphonopropionic acid with organic diamines are reported; in these salts, the hydrogen-bonded substructures formed by the anions can be zero-, one- or two-dimensional, while the overall hydrogen-bonded supramolecular structures are three-dimensional. The...

Homometallic uranium(VI) phosphonoacetates containing interlayer dipyridines.

Inorganic chemistry

Knope KE, Cahill CL.
PMID: 19545146
Inorg Chem. 2009 Jul 20;48(14):6845-51. doi: 10.1021/ic9007735.

Three organically templated uranium(VI) carboxyphosphonates, [C(10)H(10)N(2)][(UO(2))(3)(PPA)(2)(HPPA)(H(2)O)] x 3 H(2)O (1), [C(12)H(12)N(2)][(UO(2))(3)(PPA)(2)(HPPA)(H(2)O)] x 2 H(2)O (2), and [C(12)H(14)N(2)][(UO(2))(3)(PPA)(2)(HPPA)(H(2)O)] x 2 H(2)O (3) have been prepared from hydrothermal reactions of UO(2)(NO(3))(2) x 6 H(2)O and phosphonoacetic acid (H(2)O(3)PCH(2)CO(2)H, H(3)PPA) in the...

Uranyl sensitization of samarium(III) luminescence in a two-dimensional coordination polymer.

Inorganic chemistry

Knope KE, de Lill DT, Rowland CE, Cantos PM, de Bettencourt-Dias A, Cahill CL.
PMID: 22171660
Inorg Chem. 2012 Jan 02;51(1):201-6. doi: 10.1021/ic201450e. Epub 2011 Dec 15.

Heterometallic carboxyphosphonates UO(2)(2+)/Ln(3+) have been prepared from the hydrothermal reaction of uranyl nitrate, lanthanide nitrate (Ln = Sm, Tb, Er, Yb), and phosphonoacetic acid (H(3)PPA). Compound 1, (UO(2))(2)(PPA)(HPPA)(2)Sm(H(2)O)·2H(2)O (1) adopts a two-dimensional structure in which the UO(2)(2+) metal ions...

Phosphate oxygen isotope evidence for methylphosphonate sources of methane and dissolved inorganic phosphate.

The Science of the total environment

Yu C, Wang F, Chang SJ, Yao J, Blake RE.
PMID: 29990922
Sci Total Environ. 2018 Dec 10;644:747-753. doi: 10.1016/j.scitotenv.2018.06.382. Epub 2018 Jul 11.

The ocean is an important source of methane, however, the sources of oceanic methane and mechanisms of its release to the atmosphere have only recently begun to be understood. Recent studies have identified methylphosphonate (MPn) as a previously unknown...

Determination of absolute configuration of the phosphonic acid moiety of fosfazinomycins.

Organic & biomolecular chemistry

Schiessl K, Roller A, Hammerschmidt F.
PMID: 24081237
Org Biomol Chem. 2013 Nov 14;11(42):7420-6. doi: 10.1039/c3ob41574k.

Fosfazinomycins A and B produced by Streptomyces lavendofoliae share the same phosphonate moiety with one chiral centre of unknown configuration which was determined by synthesising both enantiomers of 2-hydroxy-2-phosphonoacetic acid methyl ester. A chiral cyclic phosphite was reacted with...

Phosphonoacetate as a ligand for constructing layered and framework alkali metal uranyl compounds.

Inorganic chemistry

Alsobrook AN, Albrecht-Schmitt TE.
PMID: 19883107
Inorg Chem. 2009 Dec 07;48(23):11079-84. doi: 10.1021/ic9014493.

The hydrothermal reactions of KCl, RbCl, CsOH, and CsCl with phosphonoacetic acid and uranium trioxide at 180 degrees C for three to five days results in the formation of five different crystalline uranyl carboxyphosphonates, K[(UO(2))(2)(PO(3)CH(2)CO(2))(PO(3)CH(2)CO(2)H)(H(2)O)] x H(2)O, Rb[(UO(2))(2)(PO(3)CH(2)CO(2))(PO(3)CH(2)CO(2)H)(H(2)O)] x...

Reactive Phosphonic Acids as Prebiotic Carriers of Phosphorus.

Journal of molecular evolution

De Graaf RM, Visscher J, Schwartz AW.
PMID: 9060389
J Mol Evol. 1997 Mar;44(3):237-41. doi: 10.1007/pl00006140.

Phosphonic acids are the only phosphorus-containing organic compounds detected in the Murchison meteorite. We earlier described the synthesis of methyl-, hydroxymethyl-, and 1-hydroxyethyl phosphonic acids using sodium phosphite as a source of phosphite radicals. We now show that ultraviolet...

Use of bifunctional phosphonates for the preparation of heterobimetallic 5f-3d systems.

Inorganic chemistry

Alsobrook AN, Zhan W, Albrecht-Schmitt TE.
PMID: 18494466
Inorg Chem. 2008 Jun 16;47(12):5177-83. doi: 10.1021/ic800192r. Epub 2008 May 22.

The hydrothermal reaction of phosphonoacetic acid (H2PO3CH2C(O)OH, PAA) with UO3 and Cu(C2H3O2)2 .H2O results in the formation of the crystalline heterobimetallic uranium(VI)/copper(II) phosphonates UO2Cu(PO3CH2CO2)(OH)(H2O)2 ( UCuPAA-1), (UO2) 2Cu(PO3CH2CO2)2(H2O)3 (UCuPAA-2), and [H3O][(UO2) 2Cu2(PO3CH2CO2)3(H2O)2 ( UCuPAA-3). The addition of sodium hydroxide...

Inhibition of the photosynthetic activities of isolated spinach chloroplasts by phosphonate compounds.

Plant physiology

Heuer B, Portis AR.
PMID: 16665496
Plant Physiol. 1987 Jul;84(3):649-53. doi: 10.1104/pp.84.3.649.

The effects of three closely related phosphonate compounds on several photosynthetic activities of isolated chloroplasts were investigated. Phosphonoformic and phosphonopropionic acid were found to inhibit both CO(2) fixation and the reduction of 3-phosphoglyceric acid, with CO(2) fixation being more...

P NMR Observations on the Effect of the External pH on the Intracellular pH Values in Plant Cell Suspension Cultures.

Plant physiology

Fox GG, Ratcliffe G.
PMID: 16667496
Plant Physiol. 1990 Jun;93(2):512-21. doi: 10.1104/pp.93.2.512.

(31)P nuclear magnetic resonance (NMR) spectroscopy was used to monitor the response of oil palm (Elaeis guineensis) and carrot (Daucus carota) cell suspensions to changes in the external pH. An airlift system was used to oxygenate the cells during...

Membrane antigen expression in Epstein-Barr virus-infected Raji cells in the presence of phosphonoacetic acid.

Virology

Granlund DJ, Pearson GR.
PMID: 18625491
Virology. 1977 Nov;83(1):217-20. doi: 10.1016/0042-6822(77)90226-4.

The expression of the Epstein-Barr virus (EBV)-induced membrane antigen (MA) in Raji cells experimentally infected with EBV concentrates was inhibited by phosphonoacetic acid (PAA) as determined by membrane immunofluorescence and inhibition of antibody-dependent lymphocyte cytotoxicity. PAA was only effective...

Phosphonoacetic Acid inhibition of frog virus 3 replication.

Journal of virology

Elliott RM, Bateson A, Kelly DC.
PMID: 16789189
J Virol. 1980 Jan;33(1):539-42. doi: 10.1128/JVI.33.1.539-542.1980.

Phosphonoacetic acid at concentrations above 200 mug/ml inhibited the replication of frog virus 3 in BHK cells. The inhibition of viral DNA replication observed in these cells was reversible and correlated with the inhibition of the virus-induced DNA polymerase...

Showing 1 to 12 of 16 entries