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Relevant bibliographies by topics / Acetylene. Toluene

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Journal articles

Academic literature on the topic 'Acetylene. Toluene'

Author: Grafiati

Published: 4 June 2021

Last updated: 11 February 2022

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Journal articles on the topic "Acetylene. Toluene"

1

Nguyen, Thao, Mario Aparicio, and Mahmoud A. Saleh. "Gas Phase Ionization of Toluene: Benzylium Versus Tropylium Pathway." Current Physical Chemistry 9, no. 2 (2019): 138–50. http://dx.doi.org/10.2174/1877946809666190722140957.

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Aim: In this investigation, we used accurate mass high-resolution gas chromatography mass spectrometry to study the gas phase carbocations rearrangements and fragmentation of toluene and halo-toluenes as well as their deuterium labeled compounds. Objective: Accurate mass of selected ions from ionization of toluene and related compounds revealed that the initially formed radical cation C7H8 +. does not rearrange to tropylium radical cation contradicting published literature. Methods: When the toluene radical cation was purely selected, it was found to lose a free radical (hydrogen atom) at coll

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2

Yeager, Chris M., Peter J. Bottomley, Daniel J. Arp, and Michael R. Hyman. "Inactivation of Toluene 2-Monooxygenase in Burkholderia cepacia G4 by Alkynes." Applied and Environmental Microbiology 65, no. 2 (1999): 632–39. http://dx.doi.org/10.1128/aem.65.2.632-639.1999.

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ABSTRACT High concentrations of acetylene (10 to 50% [vol/vol] gas phase) were required to inhibit the growth of Burkholderia cepaciaG4 on toluene, while 1% (vol/vol) (gas phase) propyne or 1-butyne completely inhibited growth. Low concentrations of longer-chain alkynes (C5 to C10) were also effective inhibitors of toluene-dependent growth, and 2- and 3-alkynes were more potent inhibitors than their 1-alkyne counterparts. Exposure of toluene-grownB. cepacia G4 to alkynes resulted in the irreversible loss of toluene- and o-cresol-dependent O2 uptake activities, while acetate- and 3-methylcatech

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3

Rajapakse, Nimal, Brian R. James, and David Dolphin. "Alkyne and alkene complexes of (tetramesitylporphyrinato)ruthenium(II)." Canadian Journal of Chemistry 68, no. 12 (1990): 2274–77. http://dx.doi.org/10.1139/v90-350.

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The reactions of benzene or toluene solutions of RuII(TMP), where TMP is the dianion of 5,10,15,20–tetramesitylporphyrin, with some acetylenes and alkenes are reported. Acetylene yields the isolable [Ru(TMP)]2(μ-C2H2) species; while with phenylacetylene or diphenylacetylene, 1:1 π-complexes are formed. The π-complexes Ru(TMP)(C2H4) and Ru(TMP)-(C2H4)(iPrOH)•iPrOH are isolated from reactions with ethylene, and a similar cyclohexene species is characterized insitu. The findings are relevant to O2-epoxidation of alkenes catalyzed by the trans-Ru(TMP)(O)2 complex. Keywords: ruthenium, porphyrin (t

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4

Woroszył-Wojno, Joanna, Michał Młotek, Michalina Perron, Paweł Jóźwik, Bogdan Ulejczyk, and Krzysztof Krawczyk. "Decomposition of Tars on a Nickel Honeycomb Catalyst." Catalysts 11, no. 7 (2021): 860. http://dx.doi.org/10.3390/catal11070860.

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Biomass can be considered a renewable energy source. It undergoes a gasification process to obtain gaseous fuel, which converts it into combustible gaseous products such as hydrogen, carbon monoxide, and methane. The process also generates undesirable tars that can condense in gas lines and cause corrosion, and after processing, can be an additional source of combustible gases. This study focused on the processing of tar substances with toluene as a model substance. The effect of discharge power and carrier gas composition on toluene conversion was tested. The process was conducted in a plasma

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5

Tripathi, Atri Deo. "Dielectric properties of mixtures of acetylene tetrachloride with toluene and acetone." Journal of Solution Chemistry 23, no. 7 (1994): 769–76. http://dx.doi.org/10.1007/bf00972671.

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6

Ma, Jie, Ming Zhang, Jianhua Wu, et al. "Hydropyrolysis of n-Hexane and Toluene to Acetylene in Rotating-Arc Plasma." Energies 10, no. 7 (2017): 899. http://dx.doi.org/10.3390/en10070899.

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7

Inaba, Yusuke, Kazuya Ogawa, and Yoshiaki Kobuke. "Syntheses and properties of acetylene-linked bis- and trisporphyrins toward two-photon photodynamic therapy." Journal of Porphyrins and Phthalocyanines 11, no. 06 (2007): 406–17. http://dx.doi.org/10.1142/s1088424607000461.

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Acetylene-bridged bisporphyrins and trisporphyrins having branched bulky bis(carboxylethyl)methyl meso-substituents were synthesized. These compounds showed large effective two-photon absorption cross-section values at 890 nm measured by using a nanosecond Z-scan method. Sodium salt of hydrolyzed trisporphyrins showed broad and red-shifted Q-bands over 900 nm. Two-photon absorption cross-section values of water-soluble dimers in water were similar to, or slightly larger than, those of ester forms evaluated in toluene. Furthermore, the generation of singlet oxygen upon one-photon irradiation fo

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8

Goodwin, Kelly D., Ryszard Tokarczyk, F. Carol Stephens, and Eric S. Saltzman. "Description of Toluene Inhibition of Methyl Bromide Biodegradation in Seawater and Isolation of a Marine Toluene Oxidizer That Degrades Methyl Bromide." Applied and Environmental Microbiology 71, no. 7 (2005): 3495–503. http://dx.doi.org/10.1128/aem.71.7.3495-3503.2005.

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ABSTRACT Methyl bromide (CH3Br) and methyl chloride (CH3Cl) are important precursors for destruction of stratospheric ozone, and oceanic uptake is an important component of the biogeochemical cycle of these methyl halides. In an effort to identify and characterize the organisms mediating halocarbon biodegradation, we surveyed the effect of potential cometabolic substrates on CH3Br biodegradation using a 13CH3Br incubation technique. Toluene (160 to 200 nM) clearly inhibited CH3Br and CH3Cl degradation in seawater samples from the North Atlantic, North Pacific, and Southern Oceans. Furthermore,

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9

Yakovleva, E. Yu, Yan Shanshan, and Z. P. Pai. "Procedure for Measuring the Weight Fraction of Products of Catalytic Pyrolysis of Ethylbenzene." Kataliz v promyshlennosti 19, no. 3 (2019): 187–92. http://dx.doi.org/10.18412/1816-0387-2019-3-187-192.

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A capillary column with functionalized poly(1-trimethylsilyl-1-propyne) (PTMSP/N2O) was proposed to use for detecting products of catalytic pyrolysis of ethylbenzene. The capillary PTMSP/N2O column separated selectively light C1–C2 (methane, ethane, ethylene, acetylene) and aromatic (benzene, toluene, ethylbenzene, styrene) hydrocarbons. A procedure for gas-phase measuring weight fractions of light C1–C2 and aromatic hydrocarbons was developed. The analytical measurement range was 2.9·10–8 to 1.2·10–1 mg/mL for light C1–C2 components and 3.5·10–11 to 4.0·10–3 mg/mL for liquid components. The a

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10

Sohn, Hong Lae, Young Tae Cho, and Bong Ju Lee. "Measurement of Carboxyl Group Separated from a Thin Film Copolymerized by Low-Temperature Plasma at Atmospheric Pressure of C₂H₂ and CO₂." Key Engineering Materials 321-323 (October 2006): 1332–35. http://dx.doi.org/10.4028/www.scientific.net/kem.321-323.1332.

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We developed a device that makes possible the normal generation of low-temperature plasma under atmospheric pressure. For plasma generation, a radio frequency of rf (13.56 MHz) was used, for plasma gas, helium (He), and for material gases, acetylene (C2H2) and toluene (C6H5CH3) were used. As a result of measuring Fourier transform infrared (FT-IR) after adding the CO2 gas to the generated plasma, the absorption of C=O (carboxyl group) was observed around 1715 cm-1. When the flow rates of the added CO2 increased, the absorption peak increased at the same time, and we knew that this originated f

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