Results 131 to 140 of about 4,825 (166)
Discovery of new 1,3-diphenylurea appended aryl pyridine derivatives as apoptosis inducers through c-MET and VEGFR-2 inhibition: design, synthesis, <i>in vivo</i> and <i>in silico</i> studies. [PDF]
RSC Med ChemElsebaie HA +10 more
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Synthesis of C<sub>60</sub>-CM-C <sub><i>n</i></sub> and its effect on the stabilization of nitrocellulose. [PDF]
RSC AdvChu H, Jin B, Zhao Y, Peng R.
europepmc +1 more source
Structure-function relation of cytokinins determines their differential efficiency in mediating tobacco resistance against Pseudomonas syringae. [PDF]
Physiol PlantGroßkinsky DK +7 more
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Journal of Hazardous Materials, 2012
Phenylurea herbicides have been known to contaminate surface waters serving as potable supplies. To access the potential for transformation of these compounds during drinking water treatment, reactions of phenylurea compounds with aqueous chlorine at different pHs were investigated.
Somyote Sutthivaiyakit +2 more
exaly +3 more sources
Phenylurea herbicides have been known to contaminate surface waters serving as potable supplies. To access the potential for transformation of these compounds during drinking water treatment, reactions of phenylurea compounds with aqueous chlorine at different pHs were investigated.
Somyote Sutthivaiyakit +2 more
exaly +3 more sources
Journal of Chromatography A, 2006
A liquid chromatography/electrospray ionization/mass spectrometry method was reported for the compliance analysis of seven phenylurea compounds and two related herbicides (tebuthiuron and propanil) in drinking water. The volumes of the sample and final extract used in the method were 500 mL and 10 mL, respectively.
Yongtao, Li +3 more
exaly +3 more sources
A liquid chromatography/electrospray ionization/mass spectrometry method was reported for the compliance analysis of seven phenylurea compounds and two related herbicides (tebuthiuron and propanil) in drinking water. The volumes of the sample and final extract used in the method were 500 mL and 10 mL, respectively.
Yongtao, Li +3 more
exaly +3 more sources
1H NMR study of inclusion compounds of phenylurea derivatives in β-cyclodextrin
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2005Proton nuclear magnetic resonance spectroscopy ((1)H NMR), which has become an important tool for the study "in situ" of beta-cyclodextrin (beta-CD) complexes, was used to study and structurally characterize the inclusion complexes formed between beta-CD and isoproturon, fenuron, monuron and diuron.
Dupuy, Nathalie +5 more
openaire +3 more sources
Journal of Chromatography A, 1987
The possibilities of using new chemically bonded anion-exchange (Silasorb DEA) and cation-exchange (Silasorb S) materials for high-performance liquid chromatography of phenylurea herbicide compounds were investigated. The columns packed with Silasorb DEA or with Silasorb S ion-exchange materials can be used for efficient separations in normal-phase ...
P, Jandera +3 more
openaire +2 more sources
The possibilities of using new chemically bonded anion-exchange (Silasorb DEA) and cation-exchange (Silasorb S) materials for high-performance liquid chromatography of phenylurea herbicide compounds were investigated. The columns packed with Silasorb DEA or with Silasorb S ion-exchange materials can be used for efficient separations in normal-phase ...
P, Jandera +3 more
openaire +2 more sources
Physical Chemistry Chemical Physics, 2004
The conformational preferences of two model anti-viral pharmaceuticals, phenylurea and 1,3-diphenylurea, isolated in the gas phase, have been explored using a combination of ultra-violet and infra-red ion-dip spectroscopy and quantum chemical computation. Two conformers have been assigned for each species associated with cis and trans configurations of
R. Emery +3 more
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The conformational preferences of two model anti-viral pharmaceuticals, phenylurea and 1,3-diphenylurea, isolated in the gas phase, have been explored using a combination of ultra-violet and infra-red ion-dip spectroscopy and quantum chemical computation. Two conformers have been assigned for each species associated with cis and trans configurations of
R. Emery +3 more
openaire +1 more source
Synthesis of Imidazole Spiro Compounds From 5-Alkoxycarbonyl-1H-Pyrrole-2,3-Diones and Phenylurea
Chemistry of Heterocyclic Compounds, 20165-Alkoxycarbonyl-substituted 1H-pyrrole-2,3-diones react with phenylurea, forming alkyl 4-hydroxy-5-oxo-2-[(phenylcarbamoyl)amino]-2,5-dihydro-1H-pyrrole-2-carboxylates, which cyclize in the presence of sodium methoxide, giving 8-hydroxy-3-phenyl-1,3,6-triazaspiro[4.4]-non-8-ene-2,4,7-triones.
Aleksei Yu. Dubovtsev +4 more
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Journal of Chromatography A, 1989
Abstract Positive-on (PI) mode and negative-ion (NI) mode thermospray liquid chromatography—mass spectrometry (LC—MS) were used to characterize three different groups of environmentally significant compounds: organophosphorus pesticides, phenylurea herbicides and trialkyl phosphates.
D. Barceló, J. Albaigés
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Abstract Positive-on (PI) mode and negative-ion (NI) mode thermospray liquid chromatography—mass spectrometry (LC—MS) were used to characterize three different groups of environmentally significant compounds: organophosphorus pesticides, phenylurea herbicides and trialkyl phosphates.
D. Barceló, J. Albaigés
openaire +1 more source