Tag: 200-300

Bi, Pengqing;Ren, Junzhen;Zhang, Shaoqing;Wang, Jianqiu;Chen, Zhihao;Gao, Mengyuan;Cui, Yong;Zhang, Tao;Qin, Jinzhao;Zheng, Zhong;Ye, Long;Hao, Xiaotao;Hou, Jianhui published 《Low-cost and high-performance poly(thienylene vinylene) derivative donor for efficient versatile organic photovoltaic cells》. The research results were published in《Nano Energy》 in 2022.COA of Formula: C16H34O The article conveys some information:

The utilization of donor materials with complex structures obviously increases the costs of organic photovoltaic (OPV) cells. Therefore, low-cost and high-performance are two issues that must be considered when designing polymer donors for the preparations of large-area OPV cells. Here, a poly(thienylene vinylene) derivative, named PTVT-BT was reported. PTVT-BT has a very simple completely non-fused mol. structure. PTVT-BT shows planar mol. structure and obvious solution aggregation effect. Besides, PTVT-BT demonstrates a high hole mobility up to the magnitude of 10^-2 cm^-2 V^-1 s^-1. The external quantum efficiency of electroluminescence of PTVT-BT is 7 x 10-3. As a result, the OPV cell based on PTVT-BT:eC9 demonstrates a power conversion efficiency (PCE) of 16.31%, which is the highest value among the poly(thienylene vinylene)- and polythiophene-based OPV cells. The tandem OPV cell with PTVT-BT as the donor of the sub-cell yields an outstanding PCE of 18.49%. Besides, the indoor OPV cell based on PTVT-BT:BTA3 exhibits a PCE of 27.30% under a light-emitting diode (LED) illumination of 1000 lx (2700 K). This study indicates that PTV-derivative is a kind of promising material for the future OPV industrialization. The experimental procedure involved many compounds, such as 2-Hexyl-1-decanol (cas: 2425-77-6) .

2-Hexyl-1-decanol(cas: 2425-77-6) is a branched alcohol. It is one of the constituent of the essential oil, extracted from the roots of Adiantum flabellulatum. COA of Formula: C16H34O

Reference:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Pankow, Robert M.;Ye, Liwei;Thompson, Barry C. published 《Influence of the Ester Directing Group on the Inhibition of Defect Formation in Polythiophenes with Direct Arylation Polymerization (DArP)》. The research results were published in《Macromolecules (Washington, DC, United States)》 in 2020.Recommanded Product: 2-Hexyl-1-decanol The article conveys some information:

Direct arylation polymerization (DArP) has allowed for the facile preparation of a variety of conjugated polymer architectures. Since DArP proceeds through a C-H activation pathway, the selectivity of only the desired C-H bond for certain monomers has remained a challenge. Low selectivity for the desired C-H bond can lead to the introduction of various structural defects. The development of conditions through the use of additives, screening and design of phosphine ligands, as well as precatalysts has provided condition sets that work for some monomers to afford the desired polymers with a minimization of defects. In addition to modifying the conditions, another handle for tuning the site selectivity for C-H activation is through the introduction of a directing group, such as an ester. Ester functionalized conjugated polymers have gone through a renaissance of sorts where the inclusion of this functionality on thiophene based monomers has garnered increased attention. To understand how this functionality can be exploited as a directing-group for DArP, we study the formation of defects for poly(3-hexylesterthiophene-2,5-diyl) (P3HET) and select structural analogs. We develop optimized conditions that allow for the synthesis of this polymer with improved mol. weight (M_n) (up to 15.9 vs. 11.7 kDa) and regioregularity (up to >99% vs. 96%) in a shorter polymerization time (16 vs. 48 h). Based on extensive defect anal. using ¹H NMR spectroscopy we rationally design a monomer for the synthesis of the donor-acceptor polymer poly(2-Hexyldecyl [2,2′-bithiophene]-4-carboxylate -5,5′-diyl) (P3HDET-T) with good M_n (26.2 kDa) and regioregularity (>99%). This study shows how the inclusion of ester directing groups and the formulation of pathways for defect formation can enable the rational design of monomers yielding conjugated polymers with improved M_n and rr.2-Hexyl-1-decanol (cas: 2425-77-6) were involved in the experimental procedure.

2-Hexyl-1-decanol(cas: 2425-77-6) is a branched alcohol. It is one of the constituent of the essential oil, extracted from the roots of Adiantum flabellulatum. Recommanded Product: 2-Hexyl-1-decanol

Reference:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Synthetic Route of C16H34OIn 2022, Chen, Qing;Jiang, Xin;Xiao, Naiyong;Feng, Qian;Liu, Junya;Shi, Wenzheng published 《Characterization of the effect of different sugar on volatile flavor compounds of dried fish floss using e-nose combined with HS-SPME / GC-MS》. 《Journal of Food Processing and Preservation》published the findings. The article contains the following contents:

The aim of this study was to evaluate volatile compounds of dried fish floss with different sugar using electronic nose (e-nose) and headspace-solid-phase microextraction/gas chromatog.-mass spectrometry (HS-SPME/GC-MS). Maillard reaction (MR) was carried out by reducing sugar (glucose, xylose, fructose, and galactose) instead of sucrose to increase the flavor of fish floss. The results showed that 64 volatile compounds were detected in fish floss. Hexanal, heptanal, nonanal, decanal, undecanal, tridecanal, pentadecanal, 4-ethyl-benzaldehyde, dodecanal, benzene acetaltaldehyde, (E, E)-2,6-nonadienal, (E, E)-2,4-decadienal, 2-undecanone, 1-octen-3-ol, (E)-2-hepten-1-ol, 1-heptanol, and 2-pentyl-furan were regarded as key volatile compounds Furthermore, e-nose and partial least squares-discriminant anal. (PLS-DA) showed that there were significant differences in flavor among fish floss samples. The correlation anal. of browning index, fatty acids, and key volatile compounds confirmed that MR and lipid oxidation made a great contribution to the flavor formation. These results might provide guidance for the production and flavor formation of fish floss. Practical applications : Dried fish floss deeply loved by the public is a traditional leisure food with unique odor and delicious taste. The attractive flavor of dried fish floss could be increased with the help of the Maillard reaction (MR). The type of sugar in MR has a great influence on the reaction process and the flavor of substances. The comprehensive information on the flavor among the dried fish floss with different sugar (sucrose, glucose, xylose, fructose, and galactose) was characterized by using HS-SPME/GC-MS, electronic nose (E-nose), and fatty acid anal., which may provide a reference for the quality improvement of dried fish floss. To complete the study, the researchers used 2-Hexyl-1-decanol (cas: 2425-77-6) .

2-Hexyl-1-decanol(cas: 2425-77-6) may be employed as an organic solvent to study the extraction of non-polar acidic drugs from human plasma by parallel artificial liquid membrane extraction (PALME). Synthetic Route of C16H34O

Reference:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Huang, Shiyang;McDonald, James A.;Kuchel, Rhiannon P.;Khan, Stuart J.;Leslie, Greg;Tang, Chuyang Y.;Mansouri, Jaleh;Fane, Anthony G. published 《Surface modification of nanofiltration membranes to improve the removal of organic micropollutants: Linking membrane characteristics to solute transmission》 in 2021. The article was appeared in 《Water Research》. They have made some progress in their research.HPLC of Formula: 140-66-9 The article mentions the following:

Surface modification of nanofiltration (NF) membranes has great potential to improve the removal of organic micropollutants (OMs) by NF membranes. This study used polydopamine (PDA) as a model coating to comprehensively link the changes in membrane properties with the changes in transmission of 34 OMs. The membrane characterization demonstrated that a thicker, denser, and more hydrophilic PDA coating can be achieved by increasing the PDA deposition time from 0.5 to 4 h. Overall, the transmissions of target OMs were reduced by PDA-coated NF membranes compared to unmodified NF membranes. The neutral hydrophobic compounds showed lower transmissions for longer PDA coating (PDA4), while the neutral hydrophilic compounds tended to show lower transmissions for shorter PDA coating (PDA0.5). To explain this, competing effects provided by the PDA coatings are proposed including sealing defects, inducing cake-enhanced concentration polarization in the coating layer for neutral hydrophilic compounds, and weakened hydrophobic adsorption for neutral hydrophobic compounds For charged compounds, PDA4 with the greatest neg. charge among the PDA-coated membranes showed the lowest transmission. Depending on the mol. size and hydrophilicity of the compounds, the transmission of OMs by the PDA4 coating could be reduced by 70% with only a 26.4% decline in water permeance. The correlations and mechanistic insights provided by this work are highly useful for designing membranes with sp. surface properties via surface modification to improve the removal of OMs without compromising water production To complete the study, the researchers used 4-tert-Octylphenol (cas: 140-66-9) .

4-tert-Octylphenol(cas: 140-66-9) is a common environmental pollutant showing weak estrogenic effects.HPLC of Formula: 140-66-9 It has been shown to cause harm to vertebrate male reproductive systems.

Reference:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Reference of 2-Hexyl-1-decanol《Chemosensory approach supported-analysis of wintering radishes produced in Jeju island by different processing methods》 was published in 2021. The authors were Hong, Seong Jun;Boo, Chang Guk;Lee, Jookyeong;Hur, Seong Wook;Jo, Seong Min;Jeong, Hyangyeon;Yoon, Sojeong;Lee, Youngseung;Park, Sung-Soo;Shin, Eui-Cheol, and the article was included in《Food Science and Biotechnology》. The author mentioned the following in the article:

The purpose of this study was to investigate sensory characteristics in radishes, processed through different methods, using chemosensory-assisted instruments. For electronic tongue (E-tongue) anal., freeze-dried radish was high in the sensor values of sourness, umami, and sweetness, however, the saltiness was the lowest. In particular, the sensor values of taste freeze-dried radish have changed more than that of thermally processed radishes. Unlike the results of E-tongue, volatiles of freeze-dried radish have changed less than that of thermally processed radishes. In detail, amounts of sulfur-containing compound (thiophene) in freeze-dried radish were relatively higher than thermally processed radishes by an electronic nose. For gas chromatog.-mass spectrometry and GC-olfactometry, the amount of sulfur-containing compounds in freeze-dried radish were also relatively higher than thermally processed radishes, and odor active compounds were also high in freeze-dried radish.2-Hexyl-1-decanol (cas: 2425-77-6) were involved in the experimental procedure.

2-Hexyl-1-decanol(cas: 2425-77-6) is a fatty acid that is found in the essential oils of plants and has been shown to have fungicidal properties.Reference of 2-Hexyl-1-decanol It has also been shown to inhibit the growth of Candida glabrata when used as a cationic surfactant.

Reference:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Reference of 2-Hexyl-1-decanol《Pressurized entrained-flow pyrolysis of lignite for enhanced production of hydrogen-rich gas and chemical raw materials》 was published in 2020. The authors were Tahmasebi, Arash;Maliutina, Kristina;Matamba, Tawanda;Kim, Jong-Ho;Jeon, Chung-Hwan;Yu, Jianglong, and the article was included in《Journal of Analytical and Applied Pyrolysis》. The author mentioned the following in the article:

This paper reports the enhanced production of H₂ and polyaromatics during lignite pyrolysis under pressurized entrained-flow conditions. The pyrolysis temperature and pressure ranged between 600-900°C and 0.1-4.0 MPa, resp., and were found to greatly influence the yield and composition of pyrolysis products. The results showed that the concentration of H₂ in the light gas fraction increased drastically with pyrolysis temperature and pressure, reaching 91.69 vol% at 900°C and 4.0 MPa, which corresponded to H₂ generation of 0.27 m³/kg coal. The yield of polycyclic aromatic hydrocarbons (PAHs) such as naphthalene, biphenylene, fluorene, phenanthrene, pyrene, and fluoranthene was also promoted at elevated pyrolysis temperatures and pressures. The highest PAHs concentration of 90.4 area% in the pyrolysis oil was obtained at 900°C and 4.0 MPa. It was also found that the changes in the hydrogen distribution under pressurized entrained-flow conditions mainly took place during the secondary pyrolysis reactions. It was postulated that hydrogen was formed via aromatization, condensation, aromatic ring growth mechanism, and direct cleavage reactions. The findings of this study showed that lignite could be efficiently converted to H₂-rich gas, PAHs as chem. raw materials, and energy-dense lignite char via a novel poly-generation system based on pressurized entrained-flow pyrolysis. To complete the study, the researchers used 2-Hexyl-1-decanol (cas: 2425-77-6) .

2-Hexyl-1-decanol(cas: 2425-77-6) is a fatty acid that is found in the essential oils of plants and has been shown to have fungicidal properties.Reference of 2-Hexyl-1-decanol It has also been shown to inhibit the growth of Candida glabrata when used as a cationic surfactant.

Reference:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Related Products of 579-43-1《Highly efficient cationic palladium catalyzed acetylation of alcohols and carbohydrate-derived polyols》 was published in 2016. The authors were Mensah, Enoch A.;Reyes, Francisco R.;Standiford, Eric S., and the article was included in《Catalysts》. The author mentioned the following in the article:

The development of a new facile method for the acetylation of alcs. and carbohydrate-derived polyols is described. This method relies on the nature of the cationic palladium catalyst, Pd(PhCN)₂(OTf)₂, which is generated in situ from Pd(PhCN)₂Cl₂ and AgOTf to catalyze the acetylation reaction. This new acetylation protocol is very rapid and proceeds under mild conditions with only 1 mol% of catalyst loading at room temperature This new method has been applied to a variety of different alcs. with different levels of steric hindrance, as well as carbohydrate-derived polyols to provide the corresponding fully acetylated products in excellent yields. And rel-(1R,2S)-1,2-Diphenylethane-1,2-diol (cas: 579-43-1) was used in the research process.

rel-(1R,2S)-1,2-Diphenylethane-1,2-diol(cas: 579-43-1 Related Products of 579-43-1) has been used in the preparation of trans-methyl meso-hydrobenzoin phosphite.

Reference:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Baral, Ek Raj;Lee, Jun Hee;Kim, Jeung Gon published 《Diphenyl Carbonate: A Highly Reactive and Green Carbonyl Source for the Synthesis of Cyclic Carbonates》. The research results were published in《Journal of Organic Chemistry》 in 2018.Application In Synthesis of rel-(1R,2S)-1,2-Diphenylethane-1,2-diol The article conveys some information:

A practical, safe, and highly efficient carbonylation system involving a di-Ph carbonate, an organocatalyst, and various diols is presented herein and produces highly valuable cyclic carbonates. In reactions with a wide range of diols, di-Ph carbonate was activated by bicyclic guanidine 1,5,7-triazabicyclo[4.4.0]dec-5-ene (TBD) as a catalyst, which successfully replaced highly toxic and unstable phosgene or its derivatives while maintaining the desired high reactivity. Moreover, this new system can be used to synthesize sterically demanding cyclic carbonates such as tetrasubstituted pinacol carbonates, which are not accessible via other conventional methods. The experimental procedure involved many compounds, such as rel-(1R,2S)-1,2-Diphenylethane-1,2-diol (cas: 579-43-1) .

Desymmetrization of rel-(1R,2S)-1,2-Diphenylethane-1,2-diol(cas:579-43-1 Application In Synthesis of rel-(1R,2S)-1,2-Diphenylethane-1,2-diol) using chiral phosphine catalyst has been reported. Conversion of meso-hydrobenzoin to trans-stillbene oxide by treatment with an aryl sulfonyl chloride and aqueous sodium hydroxide has been reported.

Reference:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

SDS of cas: 599-64-4《In Vitro Screening of 21 Bisphenol A Replacement Alternatives: Compared with Bisphenol A, the Majority of Alternatives Are More Cytotoxic and Dysregulate More Genes in Avian Hepatocytes》 was published in 2021. The authors were Crump, Doug;Sharin, Tasnia;Chiu, Suzanne;O’Brien, Jason M., and the article was included in《Environmental Toxicology and Chemistry》. The author mentioned the following in the article:

An avian in vitro screening approach was used to determine the effects of 21 bisphenol A (BPA) alternatives. Cytotoxicity and dysregulation of genes associated with estrogen response and other toxicol. relevant pathways evoked by these alternatives were compared with BPA. Most of the BPA alternatives (15/21) were equally or more cytotoxic than BPA in chicken embryonic hepatocytes; variability in cell viability was associated with chem. structure and the log octanol-water partition coefficient (logP) values. A neg. linear relationship (r2 = 0.745; p = 0.49-07; n = 18) was observed between logP and the log median lethal concentration (logLC50) values. The least cytotoxic BPA alternatives elicited the greatest gene dysregulation and, overall, most of the alternatives altered more genes than BPA (measured with a custom polymerase chain reaction array). This overall approach shows promise for use as a screen for hazard-based prioritization of BPA replacement alternatives and to ideally identify those that may be less harmful and/or require addnl. toxicity testing.4-(2-Phenylpropan-2-yl)phenol (cas: 599-64-4) were involved in the experimental procedure.

4-(2-Phenylpropan-2-yl)phenol(cas:599-64-4) is a natural product found in Panax ginseng.SDS of cas: 599-64-4 4-(2-Phenylpropan-2-yl)phenol is a useful reagent for preparing and characterizing aromatic polyphosphonates as high refractive index polymers.

Reference:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Related Products of 579-43-1In 2020, Fujita, Masashi;Kobayashi, Fumihisa;Ide, Takafumi;Egami, Hiromichi;Hamashima, Yoshitaka published 《Oxidative and Redox-Neutral Approaches to Symmetrical Diamines and Diols by Single Electron Transfer/Hydrogen Atom Transfer Synergistic Catalysis》. 《European Journal of Organic Chemistry》published the findings. The article contains the following contents:

Homocoupling reactions of benzylamines and benzyl alcs. were examined under synergistic catalysis conditions with a photoredox catalyst and thiobenzoic acid as a hydrogen atom abstractor. When pivalaldehyde was used as an electron acceptor, oxidative dimerization proceeded selectively, whereas the use of benzaldehydes or iminium ions as electron acceptors resulted in redox-neutral coupling. These reactions afforded sym. 1,2-diamines and 1,2-diols in good yields. To complete the study, the researchers used rel-(1R,2S)-1,2-Diphenylethane-1,2-diol (cas: 579-43-1) .

Desymmetrization of rel-(1R,2S)-1,2-Diphenylethane-1,2-diol(cas:579-43-1 Related Products of 579-43-1) using chiral phosphine catalyst has been reported. Conversion of meso-hydrobenzoin to trans-stillbene oxide by treatment with an aryl sulfonyl chloride and aqueous sodium hydroxide has been reported.

Reference:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts