Tag: M.W=100-150

An article Changes in ecotoxicity of naphthalene and alkylated naphthalenes during photodegradation in water WOS:000462109200076 published article about POLYCYCLIC AROMATIC-HYDROCARBONS; PHOTOLYSIS HALF-LIVES; SPIRIT OIL-SPILL; CRUDE-OIL; AQUEOUS PHOTODEGRADATION; PHOTOCATALYTIC DEGRADATION; UV-LIGHT; TOXICITY; PAHS; SEDIMENTS in [Kang, Hyun-Joong; Jung, Yerin; Kwon, Jung-Hwan] Korea Univ, Div Environm Sci & Ecol Engn, 145 Anam Ro, Seoul 02841, South Korea in 2019, Cited 65. The Name is Isobenzofuran-1(3H)-one. Through research, I have a further understanding and discovery of 87-41-2. Recommanded Product: 87-41-2

Crude oil released into the environment contains many polycyclic aromatic hydrocarbons (PAHs). Alkylated PAHs are more abundant than unsubstituted PAHs and their toxicity is also of serious concern. Among the various physical, chemical, and biological weathering processes of crude oils, photodegradation is one of the most important for determining the environmental fate of oil residues. In this study, the photodegradation rate constants of naphthalene and alkylated naphthalenes were determined under simulated laboratory conditions at different temperature. Changes in the luminescence inhibition of Aliivibrio fischeri, as an indicator of the baseline toxicity, were observed in photodegradation mixtures. The major transformation products were also identified by gas chromatography-mass spectrometry. The photodegradation of naphthalene and the eight alkylated naphthalenes was described well by pseudofirst-order kinetics regardless of experimental temperature. The measured toxicity of the reaction mixtures obtained by photodegradative weathering slightly increased initially and then decreased with further weathering. In all cases, the observed toxicity was greater than accounted for by the parent compounds, indicating that the photodegradation products also contributed significantly to the overall toxicity of the mixtures. The identified photodegradation products were mostly oxygenated compounds such as alcohols, aldehydes, ketones, and quinones, which warrant further investigation. (C) 2019 Elsevier Ltd. All rights reserved.

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Reference:
Benzofuran – Wikipedia,
,Benzofuran | C8H6O – PubChem

I found the field of Agriculture; Plant Sciences very interesting. Saw the article The role of melanin in the grapevine trunk disease pathogen Lasiodiplodia gilanensis published in 2020. Recommanded Product: 87-41-2, Reprint Addresses Hernandez-Martinez, R (corresponding author), Ctr Invest Cient & Educ Super Ensenada CICESE, Dept Microbiol, Ensenada 22860, Baja California, Mexico.. The CAS is 87-41-2. Through research, I have a further understanding and discovery of Isobenzofuran-1(3H)-one

Lasiodiplodia (Botryosphaeriaceae) includes fungi that are considered among the most aggressive to grapevine, capable of causing cankers and necrotic lesions which eventually lead to death of host plants. A common characteristic of this genus is the presence of melanin in conidia and mycelium. Melanin is produced by the oxidation of phenolic and/or indolic compounds. For some fungi, this pigment is an essential factor for pathogenicity. This study characterized the types and the roles of melanin produced by Lasiodiplodia gilanensis. Using specific melanin inhibitors, L. gilanensis was shown to synthesize DOPA-melanin, DHN-melanin, and pyomelanin. DOPA-melanin was shown to be involved in production of aerial mycelium and protection against enzymatic lysis and oxidative stress; DHN-melanin to be involved in ramification of mycelium when exposed to nutrient deficiency; and pyomelanin to be related with hyphae development. The fungus used tyrosine as a precursor of DOPA-melanin and as carbon and nitrogen sources, and produced melanin inside the piths of infected plants. Genes involved in melanin synthesis were conserved among the Botryosphaeriaceae, highlighting the importance of melanin in this family.

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Reference:
Benzofuran – Wikipedia,
,Benzofuran | C8H6O – PubChem

Recently I am researching about ACTIVATED CARBON; SELECTIVE HYDROGENATION; GRAPHENE OXIDE; NITROGEN; OXIDATION; NITROBENZENE; NANOTUBES; PERFORMANCE; SITES; ELECTRODES, Saw an article supported by the National Key R&D Program of China [2016YFE0203500]; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [U1510122]; Foundation of State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering [2017-K11]; China Postdoctoral Science FoundationChina Postdoctoral Science Foundation [2018M631777]. Published in PERGAMON-ELSEVIER SCIENCE LTD in OXFORD ,Authors: Wei, QH; Qin, FF; Ma, QX; Shen, WZ. The CAS is 87-41-2. Through research, I have a further understanding and discovery of Isobenzofuran-1(3H)-one. Safety of Isobenzofuran-1(3H)-one

Nitroarenes reduction is an important technology in the industrial production of aminoarenes. In this work, we presented an environment-friendly and low-cost green synthesis route for preparation of oxygen and nitrogen co-doped porous carbon (ONPC) via acid oxidation and alkali activation methods using coal tar- and residual oil-based as starting materials, and the prepared ONPC was employed as metal-free carbon catalyst for nitroarenes reduction to aminoarenes in the presence of hydrazine hydrate. This ONPC catalyst showed much higher catalytic activity as compared to those of un-doped porous carbon (PC), activated carbon (AC) and carbon black, which was attributed to its large surface area and developed pore structure as well as O and N co-doping. Additionally, it also exhibited a versatility in various aromatic nitro-compounds reduction to relative aromatic amines. Experimental results by using model catalysts to simulate different carbons with various oxygen-containing groups proved that carbonyl groups were more favorable for nitrobenzene reduction to aniline. Upon co-doping O and N into PC, the two kinds of introduced species synergistically promoted the catalytic activity of PC. Good performance together with low-cost preparation makes oxygen and nitrogen co-doped porous carbon a potential substitution of supported metal catalyst for nitroarenes reduction. (C) 2018 Elsevier Ltd. All rights reserved.

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Reference:
Benzofuran – Wikipedia,
,Benzofuran | C8H6O – PubChem

HPLC of Formula: C8H6O2. Recently I am researching about THERMAL-CONDUCTIVITY; HEAT-TRANSFER; SIMULATION; FLOW; TRANSPORT, Saw an article supported by the . Published in ELSEVIER in AMSTERDAM ,Authors: Dixon, AG; Wu, Y. The CAS is 87-41-2. Through research, I have a further understanding and discovery of Isobenzofuran-1(3H)-one

The present study analyses the thermowell system for monitoring temperatures in a fixed bed catalytic reactor for the highly exothermic partial oxidation of o-xylene to phthalic anhydride. Particle-resolved computational fluid dynamics (CFD) simulations are presented for the cases of randomly-packed spheres inside cylindrical tubes with tube-to-particle diameter ratios (N) of 3.96, 5.96 and 7.99. Results are obtained for each N value for cases with inner thermowell radius to outer tube radius ratios of 0.0 (no thermowell), 0.05, 0.1 and 0.2. Comparisons of radial void fraction and axial velocity profiles, axial pressure drop and axial temperature profiles under reaction conditions are presented. The presence of the thermowell did change the mass and heat transfer and reaction inside and around the particles, especially at the bed center. The configurations of catalyst particles were rearranged, leading to changes in voidage, flow and temperature profile. The axial temperature profiles from the thermowells differed from the profiles in the undisturbed beds. (C) 2020 Institution of Chemical Engineers. Published by Elsevier B.V. All rights reserved.

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Reference:
Benzofuran – Wikipedia,
,Benzofuran | C8H6O – PubChem

In 2019 CHINESE CHEM LETT published article about ONE-POT SYNTHESIS; O-PHTHALALDEHYDE; HYDROGENATION; DOMINO; ALCOHOLS; SOLVENT; ESTERS; COMPLEXES; HYDRIDE; LIGANDS in [Liu, Bin; Zhou, Xigeng] Fudan Univ, Dept Chem, Shanghai Key Lab Mol Catalysis & Innovat Mat, Shanghai 200433, Peoples R China; [Liu, Bin] Technol Res Insititute Shanghai Huayi Grp Co, Shanghai 200241, Peoples R China in 2019, Cited 54. The Name is Isobenzofuran-1(3H)-one. Through research, I have a further understanding and discovery of 87-41-2. Recommanded Product: Isobenzofuran-1(3H)-one

An efficient method for preparation of substituted 1,2-phenylenedimethanols and aliphatic 1,4-diols that are valuable intermediates in organic synthesis, has been developed by the base-promoted reduction of isobenzofuran-1(3H)-ones and y-lactones with silane under mild conditions. Compared with traditional procedures using stoichiometric amounts of metal hydrides and alkyl reductants, the present method avoids the use of sensitive reagents and is operationally simple and a broad variety of functional groups are tolerated. (C) 2018 Chinese Chemical Society and Institute of Materia Medica, Chinese Academy of Medical Sciences. Published by Elsevier B.V. All rights reserved.

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Reference:
Benzofuran – Wikipedia,
,Benzofuran | C8H6O – PubChem

Quality Control of Isobenzofuran-1(3H)-one. I found the field of Chemistry; Physics very interesting. Saw the article A comparative study of nitrobenzene reduction using model catalysts published in 2019, Reprint Addresses Wu, SC (corresponding author), Taizhou Univ, Sch Pharmaceut & Mat Engn, Taizhou 318000, Zhejiang, Peoples R China.; Liu, HY; Su, DS (corresponding author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China.. The CAS is 87-41-2. Through research, I have a further understanding and discovery of Isobenzofuran-1(3H)-one.

A zigzag-type quinone performs better than an armchair-type quinone in the reduction of nitrobenzene. When different kinds of functionalities co-exist, the reaction is dominated by the most active sites, but the most negative sites should also be taken into consideration if the acitive sites have zigzag structures.

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Benzofuran – Wikipedia,
,Benzofuran | C8H6O – PubChem

In 2019 APPL CATAL A-GEN published article about ACID IONIC LIQUIDS; EFFICIENT SYNTHESIS; CHEMICAL-EQUILIBRIUM; METHANOL; REDUCTION; SITES; OME; PARAFORMALDEHYDE; IMPROVEMENT; TRIOXANE in [Wang, Ruiyi; Wu, Zhiwei; Li, Zhikai; Qin, Zhangfeng; Chen, Chengmeng; Zheng, Zhanfeng; Wang, Guofu; Fan, Weibin; Wang, Jianguo] Chinese Acad Sci, Inst Coal Chem, State Key Lab Coal Convers, POB 165, Taiyuan 030001, Shanxi, Peoples R China; [Chen, Chengmeng] Chinese Acad Sci, Inst Coal Chem, Key Lab Carbon Mat, Taiyuan 030001, Shanxi, Peoples R China in 2019, Cited 48. The Name is Isobenzofuran-1(3H)-one. Through research, I have a further understanding and discovery of 87-41-2. Name: Isobenzofuran-1(3H)-one

Polyoxymethylene dimethyl ethers (PODE, with the formula of CH3O-(CH2O)(n)-CH3), as a promising environmentally benign diesel fuel or additive with an enormous potential in the reduction of soot and NIC, emissions, can be efficiently synthesized from methanol derivatives such as dimethoxymethane (DMM) and trioxymethylene (TOM), which requests a proper catalyst of high performance. In this work, the catalytic performance of graphene oxide (GO) in the synthesis of PODEn as well as its relation to the catalyst structure was thoroughly investigated. The results indicate that GO is an excellent catalyst in the synthesis of PODEn from DMM and TOM; a TOM conversion of 94.6% and selectivity of 86.0% to PODE2-8 are achieved under mild reaction conditions, which is superior to the majority of the state-of-the-art catalysts. Meanwhile, the active species and characteristic layer structure of GO sheets catalytically responsible for PODEn formation were discriminated through selectively removing certain surface functional groups, thermally annealing at different temperatures, and carefully comparing with a series of model compounds. The results illustrate that the superior catalytic performance of GO in the PODEn synthesis should be ascribed to a synergy between the surface sulfonyl, hydroxyl and carboxyl groups present on the GO surface and the unique layered structure of GO sheets, wherein the surface sulfonyl groups act as the main active sites. The insights shown in this work are beneficial to a deep understanding on the catalytic principle of GO and development of efficient catalyst for the synthesis of PODEn.

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Reference:
Benzofuran – Wikipedia,
,Benzofuran | C8H6O – PubChem

Safety of Isobenzofuran-1(3H)-one. Authors Rumyantsev, AV; Pichugov, AV; Bushkov, NS; Aleshin, DY; Strelkova, TV; Lependina, OL; Zhizhko, PA; Zarubin, DN in ROYAL SOC CHEMISTRY published article about in [Rumyantsev, Andrey, V; Pichugov, Andrey, V; Bushkov, Nikolai S.; Aleshin, Dmitry Yu; Strelkova, Tatyana, V; Lependina, Olga L.; Zhizhko, Pavel A.; Zarubin, Dmitry N.] Russian Acad Sci, AN Nesmeyanov Inst Organoelement Cpds, Vavilov Str 28, Moscow 119991, Russia; [Rumyantsev, Andrey, V; Bushkov, Nikolai S.] Moscow MV Lomonosov State Univ, Dept Chem, Vorobevy Gory 1, Moscow 119991, Russia; [Pichugov, Andrey, V; Aleshin, Dmitry Yu] D Mendeleev Univ Chem Technol Russia, Higher Chem Coll, Miusskaya Sq 9, Moscow 125047, Russia in 2021, Cited 33. The Name is Isobenzofuran-1(3H)-one. Through research, I have a further understanding and discovery of 87-41-2

We report the first examples of direct imidation of lactones giving the corresponding cyclic imidates via oxo/imido heterometathesis with N-sulfinylamines catalysed by a well-defined silica-supported Ti imido complex.

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Benzofuran – Wikipedia,
,Benzofuran | C8H6O – PubChem

Product Details of 87-41-2. Authors Shaalan, Y; Boulton, L; Jamieson, C in AMER CHEMICAL SOC published article about in [Shaalan, Youssef; Boulton, Lee] GlaxoSmithKline Med Res Ctr, Chem Dev, Stevenage SG1 2NY, Herts, England; [Shaalan, Youssef; Jamieson, Craig] Univ Strathclyde, Dept Pure & Appl Chem, Glasgow G1 1XL, Lanark, Scotland in 2020, Cited 39. The Name is Isobenzofuran-1(3H)-one. Through research, I have a further understanding and discovery of 87-41-2

Ruthenium pincer complexes were synthesized and used for catalytic ester reductions under mild conditions (similar to 5 bar of hydrogen). An experimental design approach was used to optimize the conditions for yield, purity, and robustness. Evidence for the catalytically active ruthenium dihydride species is presented. Observed intermediates and side products, as well as time-course data, were used to build mechanistic insight. The optimized procedure was further demonstrated through scaled-up reductions of two pharmaceutically relevant esters, both in batch and continuous flow.

Product Details of 87-41-2. Welcome to talk about 87-41-2, If you have any questions, you can contact Shaalan, Y; Boulton, L; Jamieson, C or send Email.

Reference:
Benzofuran – Wikipedia,
,Benzofuran | C8H6O – PubChem

An article Continuous-Flow Amide and Ester Reductions Using Neat Borane Dimethylsulfide Complex WOS:000514466200001 published article about DIBAL-H REDUCTION; CATALYTIC-HYDROGENATION; CARBONYL REDUCTIONS; CHEMISTRY; GREEN; EFFICIENT; CINACALCET; TOOLS in [Oetvoes, Sandor B.; Kappe, C. Oliver] Karl Franzens Univ Graz, Inst Chem, NAWI Graz, Heinrichstr 28, A-8010 Graz, Austria; [Kappe, C. Oliver] RCPE, Ctr Continuous Synth & Proc CCFLOW, Inffeldgasse 13, A-8010 Graz, Austria in 2020, Cited 63. SDS of cas: 87-41-2. The Name is Isobenzofuran-1(3H)-one. Through research, I have a further understanding and discovery of 87-41-2

Reductions of amides and esters are of critical importance in synthetic chemistry, and there are numerous protocols for executing these transformations employing traditional batch conditions. Notably, strategies based on flow chemistry, especially for amide reductions, are much less explored. Herein, a simple process was developed in which neat borane dimethylsulfide complex (BH3 center dot DMS) was used to reduce various esters and amides under continuous-flow conditions. Taking advantage of the solvent-free nature of the commercially available borane reagent, high substrate concentrations were realized, allowing outstanding productivity and a significant reduction in E-factors. In addition, with carefully optimized short residence times, the corresponding alcohols and amines were obtained in high selectivity and high yields. The synthetic utility of the inexpensive and easily implemented flow protocol was further corroborated by multigram-scale syntheses of pharmaceutically relevant products. Owing to its beneficial features, including low solvent and reducing agent consumption, high selectivity, simplicity, and inherent scalability, the present process demonstrates fewer environmental concerns than most typical batch reductions using metal hydrides as reducing agents.

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Reference:
Benzofuran – Wikipedia,
,Benzofuran | C8H6O – PubChem