Results 121 to 130 of about 6,387 (179)

Deletion or overexpression of tpx gene alters doubling time and response to stress agents and affects asphaltene biotransformation in Micrococcus sp. IITD107. [PDF]

Appl Microbiol Biotechnol
Patil N, Srivastava P.
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Cooperative Copper/Lipase Catalysis for the Chemoenzymatic Dynamic Kinetic Resolution (DKR) of Bis(hetero)arenols. [PDF]

JACS Au
Wang K, Peng Y, Lou D, Zhu C.
europepmc   +1 more source

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Dibenzothiophene-Containing Thiacarbaporphyrinoids

The Journal of Organic Chemistry, 2023
A new type of expanded dibenzothiophene-containing thiacarbaporphyrinoid containing one dibenzothiophene, two p-phenylene, one thiophene, and two pyrrole rings connected via four meso carbons and two direct bonds was synthesized over a sequence of six steps starting with commercially available dibenzothiophene.
Gurpreet Kaur, Nisha Rawat, Mangalampalli Ravikanth   +2 more
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Oxidation of benzothiophene, dibenzothiophene, and methyl-dibenzothiophene by ferrate(VI)

Journal of Hazardous Materials, 2014
The reduction of sulfur content in liquid fuel is of a high concern environmentally, and oxydesulfurization approaches have shown high efficiency for removing thiophene-containing compounds from the liquid fuels. The present paper investigates the oxidation of benzothiophene (BT), dibenzothiophene (DBT), and 4-methyl-dibenzothiophene (4-MDBT) by ...
Abdullah, Al-Abduly, Virender K, Sharma
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Desulphurization of dibenzothiophene by bacteria

World Journal of Microbiology & Biotechnology, 1994
Four out of 187 strains, from enrichment cultures of dibenzothiophene (DBT), grew on DBT or thiophene 2-carboxylate as S sources. The four isolates, presumptively identified as Agrobacterium sp., Xanthomonas sp. and Corynebacterium spp., individually and together desulphurized DBT, producing 2-hydroxybiphenyl and sulphate.
M, Constantí, J, Giralt, A, Bordons
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Adsorptive Removal of Dibenzothiophene and Dibenzothiophene Sulfone over Mesoporous Materials

Industrial & Engineering Chemistry Research, 2017
Dibenzothiophene (DBT, a typical sulfur compound) and dibenzothiophene sulfone (DBTO2, an oxidation product of DBT) were chosen as the model compounds, and their adsorption over a mesoporous silica (MCM-41) and a mesoporous carbon (CMK-3) were conducted under the exact same conditions.
Yawei Shi, Guozhu Liu, Xiangwen Zhang
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Oxidation of dibenzothiophene to dibenzothiophene-sulfone using silica gel

Journal of Catalysis, 2009
The oxidation of dibenzothiophene (DBT) to dibenzothiophene-sulfone (DBT-sulfone) has been a topic of particular interest in the past few years, as a possible technique to remove sulfur from crude oil. In this manuscript we show that the oxidation of DBT to DBT-sulfone occurs using silica and does not require the addition of an external oxidizing agent.
Karina Castillo, J.G. Parsons, David Chavez, Russell R. Chianelli   +3 more
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The vibrations of dibenzothiophene

Spectrochimica Acta Part A: Molecular Spectroscopy, 1971
Abstract Infrared spectra polarized along three orthogonal directions in single crystals of dibenzothiophene- h 8 and - d 8 have been recorded from 50 to 3500 cm −1 . The polarized Raman spectra of the single crystals have been measured in all possible orientations and this information has been supplemented by the measurement of depolarization ...
A. Bree, R. Zwarich
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Structure of dibenzothiophen

Journal of the Chemical Society A: Inorganic, Physical, Theoretical, 1970
Crystals of dibenzothiophen are monoclinic, a= 8·67 ± 1, b= 6·00 ± 1, c= 18·70 ± 2 A, β= 113·9°, Z= 4, space group P21/c. The structure was determined with Mo-Kα diffractometer data by Patterson, electron-density, and least-squares methods, the final R being 0·083 for 1176 observed reflexions.
Roger M. Schaffrin, James Trotter
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Biotransformation of dibenzothiophene to dibenzothiophene sulfone by Pseudomonas putida

Canadian Journal of Microbiology, 1989
A strain of Pseudomonas putida was isolated that transforms dibenzothiophene (DBT) to DBT sulfone (DBT-5-dioxide) via DBT-5-oxide. It also degrades DBT to 3-hydroxy-2-formyl benzothiophene via an alternate and previously described pathway, and to an unidentified red crystalline compound.
MeLanie R. Mormile, Ronald M. Atlas
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