Results 41 to 50 of about 42,086 (190)

Development of a polyimide for use as a temperature and solvent resistant sealant [PDF]

open access: yes, 1972
Polyimide developed by the interaction of benzophenone tetracarboxylic dianhydride, polyoxypropylene diamine, and oxydianiline is used for fuel tanks that are exposed to extreme ...
Clark, B. F., Roscoe, J. S.
core   +1 more source

Chlorination and chloramination of benzophenone-3 and benzophenone-4 UV filters

open access: yesEcotoxicology and Environmental Safety, 2018
The objective of this research was to explore the fundamental reactions between chlorine/chloramine and 2-hydroxyl-4-methoxyl benzophenone (BP3)/2-hydroxyl-4-methoxyl benzophenone-sulfonic acid (BP4), which were the most common reactions in benzophenone-type UV filters during drinking water treatment processes.
Peizeng, Yang   +5 more
openaire   +2 more sources

Synthesis, Characterization, and Evaluation of a Hindered Phenol-Linked Benzophenone Hybrid Compound as a Potential Polymer Anti-Aging Agent

open access: yesAntioxidants
Hindered phenol antioxidants and benzophenone UV absorbers are common polymer additives and often used in combination applications to enhance the anti-aging performance of polymer materials.
Shenshuai Wang   +3 more
doaj   +1 more source

UV-induced change in quercetin antioxidant activity toward benzophenone initiated lipid peroxidation [PDF]

open access: yesJournal of the Serbian Chemical Society, 2012
The aim of this work is to estimate the degradation and change in antioxidant activity of quercetin in the presence of two different mixtures of phospholipids in methanol solution, under continuous UV-irradiation from three different sub-ranges (UV-A,
Zvezdanović Jelena B.   +3 more
doaj   +1 more source

4-(Bromomethyl)benzophenone

open access: yesActa Crystallographica Section E Structure Reports Online, 2007
The title compound, C14H11BrO, was synthesized by the reaction of 4-methylbenzophenone and bromine in carbon tetrachloride. X-ray crystal structure analysis reveals that the benzene and phenyl rings form a dihedral angle of 59.53 (6)°, and the crystal packing is stabilized by intermolecular C—H...π interactions.
Wei-Jian Xu   +4 more
openaire   +1 more source

Targeting NF-κB signaling cascades of glioblastoma by a natural benzophenone, garcinol, via in vitro and molecular docking approaches

open access: yesFrontiers in Chemistry
Glioblastoma multiforme (GBM) is regarded as the most aggressive form of brain tumor delineated by high cellular heterogeneity; it is resistant to conventional therapeutic regimens.
Syed Mohd Danish Rizvi   +12 more
doaj   +1 more source

Gustav Charles Bonaventure Chancel

open access: yesEducación Química, 2013
Gustave Charles Bonaventure Chancel (1822-1890) worked on problems related to analytical chemistry, wine industry, and organic chemistry. His main findings were on the subject of ketones, their nature, reactions, and derivatives.
Jaime Wisniak
doaj   +1 more source

Fire-resistant phosphorus containing polyimides and copolyimides [PDF]

open access: yes, 1985
Phosphorus-containing polyimides and copolyimides are synthesized in a two-step polycondensation reaction from 1- (diorganooxyphosphonl)methly 2,4- and 2,6-diaminobenzenes and tetracarboxylic anhydride. The diorgano position of the diorganooxyphosphonyl
Mikroyannidis, J. A.
core   +1 more source

Improved Synthesis of C2-Symmetrical Pyridinediols and Synthesis of Cs-Symmetrical Pyridinediols [PDF]

open access: yes, 2000
Base-induced reaction of 2,6-dimethylpyridine (2,6-lutidine) (1) with two equivalents of various ketones has been reported to provide C2-symmetrical pyridine diols 3.
Buter, Jan,   +4 more
core   +2 more sources

Co-Crystallization and Structural Studies of Benzophenone Recognized by Positively Shifted ESPs of Perfluorinated β-Diketonate Complexes (M = Cu, Pd, Pt)

open access: yesCrystals
Benzophenone was encapsulated in molecular crystals of fully fluorinated coordination complexes, [ML2] [1, M = Cu2+ and Pd2+, L = bis(pentafluorobenzoyl)-methanido−], forming a unique chiral co-crystal with a ratio of [ML2]:benzophenone = 2:3, while no ...
Hiroyuki Kobayashi   +3 more
doaj   +1 more source

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