نتایج جستجو برای: aromatic compounds
تعداد نتایج: 258549 فیلتر نتایج به سال:
We report the 4.04-Mb draft genome sequence of Arthrobacter sp. YC-RL1, an aromatic compound-degrading bacterium. YC-RL1 could degrade a wide range of aromatic compounds, including naphthaline, 1,2,3,4-tetrachlorobenzene, fluorene, 4-nitrophenol, bisphenol A, biphenyl, and p-xylene. The genome sequence of YC-RL1 will promote the investigation of the biodegradation of aromatic compounds.
Experimental results are reported showing that the photocatalytic oxidation of aromatic compounds containing an electron-donor group (EDG) gives rise mainly to ortho- and para-monohydroxy derivatives while in the presence of an electron-withdrawing group (EWG) all the monohydroxy derivatives are obtained.
As demands for energy have increased worldwide, oil has become the main pollutant of the ocean. The impact of aromatic compounds, which are primary pollutants in oil, on various marine ecosystems has become a growing concern. Establishing a quantitative structure–activity relationship (QSAR) model to predict the toxicity of unknown aromatic compounds may thus serve as an important pollution-pre...
Perfluoro-3-ethyl-2,4-dimethyl-3-pentyl radical (PPFR) is a persistent radical stable at room temperature, but easily decomposes at 90 °C to produce a CF3 radical which is able to react with a variety of aromatic compounds to afford the corresponding trifluoromethyl derivatives, usually as mixtures of regioisomers in good to excellent overall yields.
The BF3.OEt2-catalyzed Friedel-Crafts propargylation of aromatic compounds with O-propargyl trichloroacetimidates is highly efficient and affords 1,3-diarylpropyne derivatives in good yields.
A simple synthetic approach to aromatic compounds using combinations of RCM, dehydration, oxidation, and tautomerization is described.
Twenty-eight new aromatic esters of camptothecins 2-29 were prepared in yields of 5 to 96% by straight acylation of camptothecin (1a) and 9-nitrocamptothecin (1b) with various aromatic acids as acylating agents. All of these esters were tested against 14 different human cancer cell lines. The antitumor activity of these compounds was related to the nature of the substituting groups of their sid...
Although Escherichia coli has long been recognized as the best-understood living organism, little was known about its abilities to use aromatic compounds as sole carbon and energy sources. This review gives an extensive overview of the current knowledge of the catabolism of aromatic compounds by E. coli. After giving a general overview of the aromatic compounds that E. coli strains encounter an...
[This corrects the article on p. 294 in vol. 53.].
Here, we report the draft genome sequence of Rhodococcus sp. strain 311R, which was isolated from a site contaminated with alkanes and aromatic compounds. Strain 311R shares 90% of the genome of Rhodococcus erythropolis SK121, which is the closest related bacteria.
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