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Thiacalix[4]arenes Containing Amide and Phenylurea Fragments at the Lower Rim: Synthesis and Complexing Properties Toward Anionic Substrates
AbstractNovel p - tert -butylthiacalix[4]arenes tetrasubstituted at the lower rim by amide and phenylurea fragments in cone , partial cone , and 1,3-alternate...
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Health Risks of Triazine and Phenylurea Herbicides in Sediments of M’Badon Bay, Abidjan (Cote d’Ivoire)
PurposeThis study provide a comprehensive dataset on the distribution, the carcinogenic and non-carcinogenic risk and the human health risk of...
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3,4-Dihydroquinazolin-8-yl-3-phenylurea Derivatives: Synthesis, VEGFR-2 Kinase Inhibiting Activity, and Molecular Docking
AbstractNew 15 compounds have been synthesized targeting the highly conserved active site of VEGFR-2. Some of those have exhibited high...
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PgCYP76B93 docks on phenylurea herbicides and its expression enhances chlorotoluron tolerance in Arabidopsis
The phenylurea herbicides are used to control annual and perennial weeds on crop cultivating fields. The excessive usage of these agrochemicals...
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p-Phenylenediamine-modified graphene oxide as a sorbent for solid-phase extraction of phenylurea herbicides, nitroimidazoles, chlorophenols, phenylurea insecticides and phthalates
Graphene oxide was covalently modified with p -phenylenediamine via a diazonium reaction. The resulting material was employed as a sorbent for the...
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Novel quinazolines bearing 1,3,4-thiadiazole-aryl urea derivative as anticancer agents: design, synthesis, molecular docking, DFT and bioactivity evaluations
A novel series of 1-(5-((6-nitroquinazoline-4-yl)thio)-1,3,4-thiadiazol-2-yl)-3-phenylurea derivatives 8 were designed and synthesized to evaluate...
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Substituent effects of halogens on the excited-state intermolecular proton transfer reactions
Fluorescent aromatic urea compounds undergo excited-state intermolecular proton transfer (ESPT) in the presence of acetate anions to produce an...
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Urea and Thiourea Derivatives in the Synthesis of Hexaoxaazadispiroalkanecarboxamides
AbstractAn efficient method has been developed for the synthesis of bis(6,7,13,14,18,19-hexaoxa-16-azadispiro[4.2.4 8 .7 5 ]nonadecan-16-yl)methanones(th...
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Supramolecular organogel of polyureas containing POSS units in the main chain: dependence on the POSS and comonomer structures
para -Substituted bis(3-aminopropyl)hexaisobutyl-cage octasilsesquioxane (T 8 cage) ( 1 ) was polymerized with several diisocyanates; methylenediphenyl...
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A magnetic covalent aromatic polymer as an efficient and recyclable adsorbent for phenylurea herbicides
A magnetic covalent aromatic polymer (Fe 3 O 4 -NH 2 -CAP) was synthesized by grinding a covalent aromatic polymer (CAP) and amino-functionalized magnetic...
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Design and synthesis of novel ureido and thioureido conjugated hydrazone derivatives with potent anticancer activity
BackgroundCompounds possessing urea/thiourea moiety have a wide range of biological properties including anticancer activity. On the other hand,...
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1-(3,3-Diethoxypropyl)-1-[(dihexylphosphoryl)methyl]-3-phenylurea in the Synthesis of 4-Aryl-Substituted Tetrahydropyrimidin-2-ones
First specimens of 4-aryl-substituted tetrahydropyrimidin-2(1 H )-ones containing a phosphoryl group were obtained through the reaction of...
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Synthesis and antibacterial evaluation of diaminomaleonitrile-based azo-Schiff bases and 8,9-dihydro-7H-purine-6-carboxamides
Some new DAMN-based Schiff base 6a – 6g were synthesized via a condensation reaction of the corresponding azo dyes with...
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Electrochemical determination of fenuron herbicide in environmental water samples by electro-reduced graphene oxide sensor
Fenuron (FEN) is a herbicide that acts as a weed growing inhibitor in crops. Because of its persistence and good solubility in water, its presence in...
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VCD Probing Intermolecular Interactions: Molecular Crystals, Acid–Base Pairs, Host–Guest Association and Solvation
This chapter describes the VCD investigation of intermolecular interactions in molecular association. Targeted systems are molecular crystals,...
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Synthesis and Properties of N,N′-Disubstituted Ureas Containing Adamantane and Pyridine (Quinoline) Fragments
AbstractA series of N , N ′-disubstituted ureas containing a pyridine or quinoline fragment and a lipophilic adamantane moiety (13 examples, 53–94%...
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Structure–activity relationship of thermal interaction between arylmalonamide[70]fullerocyclopropane stabilizer and nitrocellulose
The thermal decomposition or even explosion of nitrocellulose during long-term storage is prevented by adding stabilizers to nitrocellulose-based...
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Theoretical study of reaction of urea with methylamine: nucleophilic addition pathway
The B3LYP and wB97XD density functional methods were used to study the mechanisms and thermodynamic parameters of the activation and reactions of...
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Synthesis of N-[2-(3,5-Diallyl-2,4,6-trioxo-1,3,5-triazinan-1-yl)ethyl]ureas and -Carbamates
Abstract1-(2-Aminoethyl)-3,5-diallyl-1,3,5-triazinane-2,4,6-trione reacted with phenyl isocyanate and hexamethylene diisocyanate to give previously...
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Synthesis of 1-aryl-4,5-diphenyl-1H-imidazol-2(3H)-ones
The condensations of anilines ( p -toluidine, 2-nitro-, 3-nitro-, and 4-nitroanilines), formaldehyde, and benzil monooxime were studied for the first...