Results 231 to 240 of about 139,650 (284)

Hydroxylamine-O-sulfonic acid - a versatile synthetic reagent [PDF]

, 1980
Wallace, RG
core  

Construction of Lean Coal Molecular Structure Model Based on Spectroscopic Characterization

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT The chemical structure of coal exerts a profound influence on its properties and utilization pathways. A comprehensive analysis of coal's molecular structure is crucial for mitigating environmental pollution arising from coal combustion and improving the efficiency of coal utilization.
Song Liu, Hao Xia, Tao Ge, Yaling Bai, Shoulan Wang, Yunfang Liu   +5 more
wiley   +1 more source

Ligand-free palladium-catalyzed synthesis of 3-(2,2-dialkyl-2H-chromen-4-yl)-2-phenylimidazo[1,2-a]pyridine derivatives: molecular docking investigation of their potential as DNA gyrase inhibitors and evaluation of their antibacterial activities. [PDF]

RSC Adv
Mishra RN, Ahemad MA, Panda J, Nayak S, Mohapatra S, Sahoo CR.   +5 more
europepmc   +1 more source

Syntheses of Pyridine Derivatives. IX

YAKUGAKU ZASSHI, 1958
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Biosynthesis of pyridine Derivatives

Biosynthesis of pyridine Derivatives
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Interaction of Pyridine Derivatives with Sepiolite

Journal of Colloid and Interface Science, 2002
In this study, the adsorption behavior of pyridine derivatives, i.e., 2-aminopyridine and 2,2'-bipyridyl, onto sepiolite, a natural clay mineral, has been investigated by bottle adsorption and IR spectroscopic techniques. The results indicate that 2-aminopyridine and 2,2'-bipyridyl molecules adsorb onto sepiolite through hydrogen bonding of the amino ...
E, Sabah, M S, Celik
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Pyridine-derived γ-secretase modulators

Bioorganic & Medicinal Chemistry Letters, 2011
SAR of a novel series of pyridine-derived γ-secretase modulators is described. Compound 5 was found to be a potent modulator in vitro, which on further profiling, was found to decrease Aβ42 and Aβ40, and maintain (or increase) the levels of total Aβ. Furthermore, representative compounds 1 and 5 demonstrated in vivo efficacy to lower Aβ42 in the brain ...
Zehong, Wan, Adrian, Hall, Yingxia, Sang, Jia-Ning, Xiang, Eric, Yang, Beverley, Smith, David C, Harrison, Guang, Yang, Haihua, Yu, Helen S, Price, Jian, Wang, Julie, Hawkins, Lit-Fui, Lau, Matthew R, Johnson, Tina, Li, Wei, Zhao, William L, Mitchell, Xiaobo, Su, Xiaomin, Zhang, Yanjiao, Zhou, Yun, Jin, Zhaolong, Tong, Ziqiang, Cheng, Ishrut, Hussain, John D, Elliott, Yasuji, Matsuoka   +25 more
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Pyridine Derivatives with Anthelmintic Activity

Nature, 1961
WE should like to report a new series of chemical compounds which are effective against certain nema-tode parasites of mammals. Some of these compounds show a broad anthelmintic spectrum, being active against representatives of a number of families of nematodes.
A P, PHILLIPS, R B, BURROWS
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Adamantylation of Pyridine Derivatives

Chemistry of Heterocyclic Compounds, 2015
The reaction of isomeric hydroxypyridines with 1-bromoadamantane under various conditions led to mono- and disubstituted С-, О-, and N-adamantylation products. Hydroxypyridines and 4-dimethyl-aminopyridine were found to have catalytic effect on the quaternization of pyridine with adamantyl bromide.
V. A. Shadrikova, E. V. Golovin, Yu. N. Klimochkin   +2 more
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Paper Chromatography of Pyridine Derivatives

Nature, 1951
WE wish to describe briefly a convenient paper chromatographic separation and identification of pyridine derivatives in use in this laboratory for some time which employs a modification of the wellknown Konig colour-reaction1. Leifer et al.2. have recently described the paper chromatography of nicotinic acid and nicotinamide, but the more involved ...
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