Results 31 to 40 of about 54,764 (213)

Isoxazolidine Conjugates of N3-Substituted 6-Bromoquinazolinones—Synthesis, Anti-Varizella-Zoster Virus, and Anti-Cytomegalovirus Activity

Molecules, 2018
1,3-Dipolar cycloaddition of N-methyl C-(diethoxyphosphoryl) nitrone to N3-substituted 6-bromo-2-vinyl-3H-quinazolin-4-ones gave (3-diethoxyphosphoryl) isoxazolidines substituted at C5 with quinazolinones modified at N3.
Magdalena Grabkowska-Drużyc, Graciela Andrei, Dominique Schols, Robert Snoeck, Dorota G. Piotrowska   +4 more
doaj   +1 more source

Reactivity of Acyclic (pentadienyl)iron(1+) Cations with Phosphonate Stabilized Nucleophiles: Application to the Synthesis of Oxygenated Metabolites of Carvone [PDF]

, 2016
The addition of phosphonate stabilized carbon nucleophiles to acyclic (pentadienyl)iron(1+) cations proceeds predominantly at an internal carbon to afford (pentenediyl)iron complexes.
Donaldson, William, Gone, Jayapal Reddy, Lee, Do W., Ma, Yuzhi, Manful, Charles Felix   +4 more
core   +2 more sources

Crystal structure of diethyl [(4-chloroanilino)(4-hydroxyphenyl)methyl]phosphonate N,N-dimethylformamide monosolvate

Acta Crystallographica Section E, 2014
In the title compound, C17H21ClNO4P·C3H7NO, the dihedral angle formed by the aromatic rings is 83.98 (7)°. In the crystal, O—H...O, N—H...O and C—H...O hydrogen bonds link the molecules into double layers parallel to (011).
Qing-Ming Wang, Ming-Juan Zhu, Jin-Ming Yang, Shan-Shan Wang, Yan-Fang Shang   +4 more
doaj   +1 more source

Foliar-applied glyphosate substantially reduced uptake and transport of iron and manganese in sunflower (helianthus annuus L.) plants [PDF]

, 2006
Evidence clearly shows that cationic micronutrients in spray solutions reduce the herbicidal effectiveness of glyphosate for weed control due to the formation of metal-glyphosate complexes.
Cakmak, Ismail, Eker, Selim, Erenoglu, Bulent, Erenoğlu, Bülent, Ozturk, Levent, Romheld, Volker, Yazıcı, Mustafa Atilla, Yazici, Mustafa Atilla, Çakmak, İsmail, Öztürk, Levent   +9 more
core   +1 more source

A Michaelis-Arbuzov-Type Pathway to a Protected 2'-Deoxy-2'-Selenomethyl-Adenosine-3',5'-Phosphoroselenolate Guanosine Dinucleotide for Use in Modified m7G Cap Synthesis. [PDF]

Chemistry
Here we report a synthesis of the dinucleotide 4 for a projected future total synthesis of the m7G cap 1. Highlights of the route include: 1) a 3ʹ‐H‐phosphonate/5ʹ‐selenocyanate Michaelis‐Arbuzov coupling to forge the 3ʹ,5ʹ‐phosphoroselenolate; 2) an Amosova reductive selenomethylation to install the 2ʹ‐SeMe; 3) a solid CPR II 5ʹ‐O‐phosphitylation; and
Hale KLE, McCarthy HO, McLaughlin MG.
europepmc   +2 more sources

Phase II evaluation of VDC-1101 in canine cutaneous T-cell lymphoma. [PDF]

, 2014
BackgroundCanine cutaneous T-cell lymphoma (CTCL) is an uncommon disease for which efficacious therapies are lacking. The novel anticancer nucleotide prodrug VDC-1101 (formerly known as GS-9219) has shown efficacy in dogs with multicentric lymphoma.
Burgess, KE, Burton, JH, Morges, MA, Saba, CF, Thamm, DH, Vail, DM   +5 more
core   +2 more sources

How to Chemically Protect PFAS‐Free Membranes in Fuel Cells: Radical Quenching Poly(vinylphosphonic acid) Layer

Advanced Functional Materials, EarlyView.
Hydrocarbon membranes are a greener alternative to PFSA in PEM fuel cells, but degrade rapidly from radical attack. We present a novel strategy using poly(vinylphosphonic acid) (PVPA) as a local radical scavenger. Incorporated as an interfacial barrier, PVPA enhances chemical stability and significantly extends membrane lifetime under accelerated ...
Hendrik Sannemüller, Hannes Liepold, Frederik Brendel, Janka Friese, Carolin Klose, Tym de Wild, Andreas Münchinger   +6 more
wiley   +1 more source

Assessing the Origin of Phosphonic Acid Residues in Organic Vegetable and Fruit Crops: The Biofosf Project Multi-Actor Approach

Agronomy, 2020
Recently, on the EU market, phosphonic acid residues were detected in many organic goods, although fosetyl-derivates and phosphite salts are not allowed by Reg. EC n. 889/2009.
Alessandra Trinchera, Bruno Parisi, Valentina Baratella, Giancarlo Roccuzzo, Ivano Soave, Carlo Bazzocchi, Daniele Fichera, Mauro Finotti, Francesco Riva, Giacomo Mocciaro, Marco Brigliadori, Luca Lazzeri   +11 more
doaj   +1 more source

Evaluation of the Dual Impact of Nanotechnologies on Health and Environment Through Alternative Bridging Models

Advanced Healthcare Materials, EarlyView.
This review explores how alternative invertebrate and small‐vertebrate models advance the evaluation of nanomaterials across medicine and environmental science. By bridging cellular and organismal levels, these models enable integrated assessment of toxicity, biodistribution, and therapeutic performance.
Marie Celine Lefevre, Margherita Bernardeschi, Matteo Battaglini, Gianni Ciofani   +3 more
wiley   +1 more source

Phosphate-related genomic islands as drivers of environmental adaptation in the streamlined marine alphaproteobacterial HIMB59

mSystems, 2023
Prokaryotic species are composed of multiple clonal lineages coexisting in the same habitat. In recent years, understanding the maintenance of this high intraspecific genetic diversity in asexual microorganisms has been a challenge for microbial ecology.
Carmen Molina-Pardines, Jose M. Haro-Moreno, Mario López-Pérez   +2 more
doaj   +1 more source