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robin/dichloromethane
Odkaz sa uloží do schránky
7 výsledky
Tuning Electron-Transfer Properties in 5,10,15,20-Tetra(1'-hexanoylferrocenyl)porphyrins as Prospective Systems for Quantum Cellular Automata and Platforms for Four-Bit Information Storage.
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Metal-free (1) and zinc (2) 5,10,15,20-tetra(1'-hexanoylferrocenyl)porphyrins were prepared using an acid-catalyzed tetramerization reaction between pyrrole and 1'-(1-hexanoyl)ferrocencarboxaldehyde. New organometallic compounds were characterized by combination of 1H, 13C, and variable-temperature
Collaborative study using the preincubation Salmonella typhimurium mutation assay for airborne particulate matter in Japan. A trial to minimize interlaboratory variation.
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A collaborative study has been performed over a period of 3 years to develop a suitable method for monitoring the mutagenicity of airborne particulate matter. The study was organized with 8 laboratories and performed in the following steps: (1) selection of a suitable technique for each process
A reliable quantum-chemical protocol for the characterization of organic mixed-valence compounds.
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Structures, dipole moments, electron-transfer barriers, and spin density distributions of a series of mixed-valent bistriarylamin radical cations have been studied systematically by hybrid density functional methods with variable exact-exchange admixture combined with a continuum solvent model. The
Oxidation products of doubly trimethylene-bridged tetrabenzyl p-phenylenediamine paracyclophane.
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We report synthesis and investigation of doubly trimethylene-bridged tetrabenzyl-p-phenylenediamine 1(Bz) in its singly and doubly charged redox states. The singly oxidized monoradical cation, which is a mixed-valence (MV) system with directly interacting charge-bearing units, shows broad and
Ferrocenyl naphthalenes: substituent- and substitution pattern-depending charge transfer studies.
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The synthesis of a series of ferrocenyl-functionalized naphthalenes of type 2-Fc-C10H7 (3a), 1-Fc-2-R-C10H6 (3b, R = OMe; 3c, R = Me; 3d, R = H; 3e, R = CH(O)), 1,1'-(C10H7)2Fc' (4), 1-Br-4-Fc-C10H6
Di-organoiron mixed valent complexes featuring "(eta2-dppe)(eta5-C5Me5)Fe" endgroups: smooth class-III to class-II transition induced by successive insertion of 1,4-phenylene units in a butadiyne-diyl bridge.
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The synthesis and study of a new redox family of symmetric dinuclear iron(II/III) complexes featuring "(eta(2)-dppe)(eta(5)-C(5)Me(5))Fe(CC)" endgroups connected by a bis(diethynyl)-4,4'-biphenyl spacer are reported. The solid-state structures were determined (X-rays) for the homovalent
Antibacterial and chemical evaluation of Chromolaena moritziana.
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Chromolaena moritziana (Sch. Bip. ex Hieron.) King & Robin. (Asteraceae) is used in local ethnomedicine as an anticatarrhal, a depurative and in the treatment of skin diseases. This ethnopharmacological information has a direct correlation with that reported for other Chromolaena species.
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