Category: 101-84-8

An article New polyketides and diterpenoid derivatives from the fungus Penicillium sclerotiorum GZU-XW03-2 and their anti-inflammatory activity WOS:000532686800026 published article about A-C; MANGROVE; SESTERTERPENOIDS; INHIBITORS; ACID in [Zhao, Min; Ruan, Qingfeng; Pan, Wencong; Tang, Yuqian; Zhao, Zhongxiang; Cui, Hui] Guangzhou Univ Chinese Med, Sch Pharmaceut Sci, Guangzhou 510006, Peoples R China in 2020.0, Cited 23.0. COA of Formula: C12H10O. The Name is Diphenyl oxide. Through research, I have a further understanding and discovery of 101-84-8

Two new compounds, named penisclerotiorin A (1) and diaporthein C (8), and a new natural product, penidepsidone A (4), together with five known compounds (2, 3, 5-7) were isolated from the fungus Penicillium sclerotiorum GZU-XW03-2. Their structures were assigned using spectroscopic methods, quantum chemical calculations, and single-crystal X-ray diffraction analysis. Penisclerotiorin A (1) that belongs to the highly oxidized diphenyl ether is rare found in natural sources, and it was the sixth example of highly oxidized diphenyl ether analogues in natural sources. Penidepsidone A (4) is a new natural product and no any NMR spectral data were reported to date, in this paper, we firstly used the NMR calculations to confirm the intact structure by comparison of the experimental NMR data. Diaporthein C (8) represents the third example of pimarane diterpenes bearing a double bond at C-8 and C-9. In the bioassays, all of the isolates (1-8) were tested for their anti-inflammatory effects on the production of nitric oxide in lipopolysaccharide-induced microglial cells (RAW 264.7 cells). Compounds 2, 3 and 6 showed potent anti-inflammatory effects than the positive control (indomethacin, IC50, 24.0 mu M) with IC50 values of 11.52, 8.13 and 21.27 mu M, respectively.

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Recommanded Product: Diphenyl oxide. Recently I am researching about PROTEIN-KINASE CK2; BIOLOGICAL EVALUATION; ACTIVATION; PREDICTION; DOMAIN; ASSAY, Saw an article supported by the . Published in MDPI in BASEL ,Authors: Haidar, S; Marminon, C; Aichele, D; Nacereddine, A; Zeinyeh, W; Bouzina, A; Berredjem, M; Ettouati, L; Bouaziz, Z; Le Borgne, M; Jose, J. The CAS is 101-84-8. Through research, I have a further understanding and discovery of Diphenyl oxide

Casein kinase II (CK2) is an intensively studied enzyme, involved in different diseases, cancer in particular. Different scaffolds were used to develop inhibitors of this enzyme. Here, we report on the synthesis and biological evaluation of twenty phenolic, ketonic, and para-quinonic indeno[1,2-b]indole derivatives as CK2 inhibitors. The most active compounds were 5-isopropyl-1-methyl-5,6,7,8-tetrahydroindeno[1,2-b]indole-9,10-dione 4h and 1,3-dibromo-5-isopropyl-5,6,7,8-tetrahydroindeno[1,2-b]indole-9,10-dione 4w with identical IC50 values of 0.11 mu M. Furthermore, the development of a QSAR model based on the structure of indeno[1,2-b]indoles was performed. This model was used to predict the activity of 25 compounds with naphtho[2,3-b]furan-4,9-dione derivatives, which were previously predicted as CK2 inhibitors via a molecular modeling approach. The activities of four naphtho[2,3-b]furan-4,9-dione derivatives were determined in vitro and one of them (N-isopentyl-2-methyl-4,9-dioxo-4,9-dihydronaphtho[2,3-b]furan-3-carboxamide) turned out to inhibit CK2 with an IC50 value of 2.33 mu M. All four candidates were able to reduce the cell viability by more than 60% after 24 h of incubation using 10 mu M.

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Deng, ZJ; Zhao, MX; Wang, F; Tang, PP in [Deng, Zhijie; Zhao, Mingxin; Wang, Feng; Tang, Pingping] Nankai Univ, Coll Chem, State Key Lab, Tianjin 300071, Peoples R China; [Deng, Zhijie; Zhao, Mingxin; Wang, Feng; Tang, Pingping] Nankai Univ, Coll Chem, Inst Elementoorgan Chem, Tianjin 300071, Peoples R China published Selective C-H trifluoromethoxylation of (hetero)arenes as limiting reagent in 2020.0, Cited 67.0. Formula: C12H10O. The Name is Diphenyl oxide. Through research, I have a further understanding and discovery of 101-84-8.

Methods for direct C-H trifluoromethoxylation of arenes and heteroarenes are rare, despite the importance of trifluoromethoxylated compounds for pharmaceuticals, agrochemicals, and material sciences. Especially selective C-H trifluoromethoxylation of pyridines remains a formidable challenge. Here we show a general late-stage C-H trifluoromethoxylation of arenes and heteroarenes as limiting reagent with trifluoromethoxide anion. The reaction is mediated by silver salts under mild reaction conditions, exhibiting broad substrate scope and wide functional-group compatibility. In addition, ortho-position selective C-H trifluoromethoxylation of pyridines is observed. The method is not only applicable to the gram-scale synthesis of trifluoromethoxylated products but also allows efficient late-stage C-H trifluoromethoxylation of marketed small-molecule drugs, common pharmacophores and natural products. Selective C-H trifluoromethoxylation of pyridines remains a formidable synthetic challenge. Here, the authors report a silver-mediated late-stage C-H trifluoromethoxylation of arenes and heteroarenes as limiting reagents with trifluoromethoxide anion.

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Safety of Diphenyl oxide. I found the field of Environmental Sciences & Ecology very interesting. Saw the article A new marine sediment certified reference material (CRM) for the determination of persistent organic contaminants: IAEA-459 published in 2019, Reprint Addresses Tolosa, I (corresponding author), IAEA Environm Labs, 4a Quai Antoine 1Er, MC-98000 Monaco, Monaco.. The CAS is 101-84-8. Through research, I have a further understanding and discovery of Diphenyl oxide.

A new marine sediment certified reference material (IAEA 459) with very low concentrations (gkg(-1)) for a variety of persistent organic contaminants (POPs) listed by the Stockholm Convention, as well as other POPs and priority substances (PSs) listed in many environmental monitoring programs was developed by the IAEA. The sediment material was collected from the Ham River estuary in South Korea, and the assigned final values were derived from robust statistics on the results provided by selected laboratories which demonstrated technical and quality competence, following the guidance given in ISO Guide 35. The robust mean of the laboratory means was assigned as certified values, for those compounds where the assigned value was derived from at least five datasets and its relative expanded uncertainty was less than 40% of the assigned value (most of the values ranging from 8 to 20%). All the datasets were derived from at least two different analytical techniques which have allowed the assignment of certified concentrations for 22 polychlorinated biphenyl (PCB) congeners, 6 organochlorinated (OC) pesticides, 5 polybrominated diphenyl ethers (PBDEs), and 18 polycyclic aromatic hydrocarbon (PAHs). Mass fractions of compounds that did not fulfill the criteria of certification are considered information values, which include 29 PAHs, 11 PCBs, 16 OC pesticides, and 5 PBDEs. The extensive characterization and associated uncertainties at concentration levels close to the marine sediment quality guidelines will make CRM 459 a valuable matrix reference material for use in marine environmental monitoring programs.

Welcome to talk about 101-84-8, If you have any questions, you can contact Tolosa, I; Cassi, R; Huertas, D or send Email.. Safety of Diphenyl oxide

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An article Associations of prenatal exposures to low levels of Polybrominated Diphenyl Ether (PBDE) with thyroid hormones in cord plasma and neurobehavioral development in children at 2 and 4 years WOS:000493550200063 published article about FLAME-RETARDANT BDE-47; LOW-DOSE BDE-47; POLYCHLORINATED-BIPHENYLS; BREAST-MILK; EXECUTIVE FUNCTION; EARLY-PREGNANCY; BISPHENOL-A; CHILDHOOD; BLOOD; NEURODEVELOPMENT in [Ji, Honglei; Liang, Hong; Wang, Ziliang; Miao, Maohua; Wang, Xin; Sun, Xiaowei; Yuan, Wei] Fudan Univ, NHC Key Lab Reprod Regulat, Shanghai Inst Planned Parenthood Res, 779 Lao Hu Min Rd, Shanghai 200237, Peoples R China; [Zhang, Xiaotian; Wen, Sheng] Hubei Prov Acad Prevent Med, Inst Hlth Inspect & Detect, Hubei Prov Ctr Dis Control & Prevent, Natl Reference Lab Dioxin, Wuhan, Hubei, Peoples R China; [Chen, Aimin] Univ Cincinnati, Coll Med, Div Epidemiol, Dept Environm Hlth, Cincinnati, OH 45221 USA in 2019.0, Cited 57.0. The Name is Diphenyl oxide. Through research, I have a further understanding and discovery of 101-84-8. Recommanded Product: Diphenyl oxide

Background: Neurotoxic effects of Polybrominated Diphenyl Ethers (PBDEs) at low levels have not been well studied in human population, and whether the associations can be explained by thyroid hormones (THs) remains unclear. Objectives: We examined the associations of prenatal PBDE exposures with THs in cord plasma and neurobehavior of children at 2 and 4 years among general population in China. Methods: Participants were mother-child pairs in the Shanghai-Minhang Birth Cohort Study. Nine PBDE congeners and THs (thyroid stimulating hormone, total thyroxine, free thyroxine, total triiodothyronine, and free triiodothyronine) were determined in cord plasma. Child Behavior Checklist (CBCL/1.5-5) were completed by caregivers to assess children’s neurobehavioral development at 2 and 4 years. In the final analyses, 199 and 307 mother-child pairs at 2 and 4 years were included to examine associations of PBDEs with CBCL scores using Pearson-scale-adjusted Poisson regressions, and 339 subjects were included in linear regression models to investigate the associations between PBDEs and THs. Results: BDE-47 had the highest detection rate of 83.82% with the median concentration of 0.19 ng/g lipid, followed by BDE-28, -99, -100 and -153 with detection rates nearly 50%. We found positive associations between prenatal PBDE concentrations and children’s neurobehavior, including Somatic Complaints, Withdrawn, Sleep Problems and Internalizing Problems in girls, and Somatic Complaints and Attention Problems in boys. We also observed inverse associations of the sum of BDE-47, – 28, – 99, -100 and -153 with THs. However, by adding THs to the models examining associations between PBDEs and CBCL, the main results didn’t measurably change. Conclusions: This study adds new knowledge that prenatal PBDEs at low levels may be related to long-lasting behavioral abnormalities in children and reduced THs in cord plasma. However, the hypothesis that the neurotoxic impact of PBDEs may be explained by alterations in cord THs was not supported.

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I found the field of Engineering; Environmental Sciences & Ecology very interesting. Saw the article Grain size distribution and exposure evaluation of organophosphorus and brominated flame retardants in indoor and outdoor dust and PM10 from Chengdu, China published in 2019. Application In Synthesis of Diphenyl oxide, Reprint Addresses Gan, ZW (corresponding author), Sichuan Univ, Coll Architecture & Environm, Chengdu 610065, Sichuan, Peoples R China.. The CAS is 101-84-8. Through research, I have a further understanding and discovery of Diphenyl oxide

To investigate overall pollution and potential risk of 32 targets (11 PBDEs, 8 NBFRs, and 13 OPFRs) in indoor and outdoor environments, dust and PM10 samples were sampled from non-occupational and occupational zones in Chengdu, China. Sigma Cl-OPFRs, BDE-209, and DBDPE were the dominant constitutes in both the non occupational and occupational dust. Regarding the PM10, no significant differences were found between the kitchen and the living room for studied OPFRs except TDCIPP, and TCEP, TCPP, TEHP, and TCP displayed significant correlation among the kitchen, the living room and personal samples. Profiles of the OPFRs in the PM10 from occupational areas presented great variation and ranked as: Sigma Aryl-OPFRs < Sigma Alkyl-OPFRs < Sigma Cl-OPFRs. The estimated daily intakes (EDIs) of the investigated FRs via dust suggested dust ingestion and inhalation were the main exposure route to FRs, and the total of EDIs were at least one order of magnitude lower than reference data, indicating a low risk for the general public in Chengdu. However, with increasing usage of FRs in daily goods, a long-term monitoring should be conducted. Welcome to talk about 101-84-8, If you have any questions, you can contact Chen, MQ; Jiang, JY; Gan, ZW; Yan, Y; Ding, SL; Su, SJ; Bao, XM or send Email.. Application In Synthesis of Diphenyl oxide

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Name: Diphenyl oxide. Authors Li, YF; Qin, M; Yang, PF; Liu, LY; Zhou, LJ; Liu, JN; Shi, LL; Qiao, LN; Hu, PT; Tian, CG; Nikolaev, A; Macdonald, R in PERGAMON-ELSEVIER SCIENCE LTD published article about in [Li, Yi-Fan; Qin, Meng; Yang, Pu-Fei; Liu, Li-Yan; Qiao, Li-Na; Hu, Peng-Tuan] Harbin Inst Technol, State Key Lab Urban Water Resource & Environm, Int Joint Res Ctr Persistent Tox Subst IJRC PTS, Sch Environm, Harbin 150090, Peoples R China; [Li, Yi-Fan; Qin, Meng; Yang, Pu-Fei; Liu, Li-Yan; Qiao, Li-Na; Hu, Peng-Tuan] Harbin Inst Technol, Int Joint Res Ctr Arctic Environm & Ecosyst IJRC, Polar Acad, Harbin 150090, Peoples R China; [Li, Yi-Fan] IJRC PTS NA, Toronto, ON M2N 6X9, Canada; [Zhou, Lin-Jun; Liu, Ji-Ning; Shi, Li-Li] Minist Ecol & Environm, Nanjing Inst Environm Sci, Nanjing 210042, Peoples R China; [Qiao, Li-Na] Shandong Univ, Marine Coll, Dept Marine Sci, Weihai 264209, Peoples R China; [Tian, Chong-Guo] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai, Peoples R China; [Nikolaev, Anatoly] North Eastern Fed Univ, Inst Nat Sci, Yakutsk, Sakha Republic, Russia; [Macdonald, Robie] Inst Ocean Sci, Dept Fisheries & Oceans, POB 6000, Sidney, BC V8L 4B2, Canada in 2021.0, Cited 31.0. The Name is Diphenyl oxide. Through research, I have a further understanding and discovery of 101-84-8

In this paper, two level III fugacity models are developed and applied using an environmental system containing six compartments, including air, aerosols, soil, water, suspended particulate matters (SPMs), and sediments, as a unit world. The first model, assumes equilibrium between air and aerosols and between water and SPMs. These assumptions lead to a four-fugacity model. The second model removes these two assumptions leading to a six-fugacity model. The two models, compared using four PBDE congeners, BDE-28, -99, -153, and -209, with a steady flux of gaseous congeners entering the air, lead to the following conclusions. 1. When the octanol-air partition coefficient (K-OA) is less than 10(11.4), the two models produce similar results; when K-OA > 10(11.4), and especially when K-OA > 10(12.5), the model results diverge significantly. 2. Chemicals are in an imposed equilibrium in the four-fugacity model, but in a steady state and not necessary an equilibrium in the six-fugacity model, between air and aerosols. 3. The results from the six-fugacity model indicate an internally consistent system with chemicals in steady state in all six compartments, whereas the four-fugacity model presents an internally inconsistent system where chemicals are in equilibrium but not a steady state between air and aerosols. 4. Chemicals are mass balanced in air and aerosols predicted by the six-fugacity model but not by the four-fugacity model. If the mass balance in air and aerosols is achieved in the four-fugacity model, the condition of equilibrium between air and aerosols will be no longer valid. (C) 2021 Elsevier Ltd. All rights reserved.

Name: Diphenyl oxide. Welcome to talk about 101-84-8, If you have any questions, you can contact Li, YF; Qin, M; Yang, PF; Liu, LY; Zhou, LJ; Liu, JN; Shi, LL; Qiao, LN; Hu, PT; Tian, CG; Nikolaev, A; Macdonald, R or send Email.

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An article Hydrogenolysis of lignin-derived aryl ethers to monomers over a MOF-derived Ni/N-C catalyst WOS:000532366700015 published article about NITROGEN-DOPED CARBON; HYDRODEOXYGENATION; EFFICIENT; NANOPARTICLES; CLEAVAGE; MODEL; RU; DEPOLYMERIZATION; HYDROGENATION; PERFORMANCE in [Si, Xing-Gang; Zhao, Yun-Peng; Song, Qing-Lu; Cao, Jing-Pei; Wei, Xian-Yong] China Univ Min & Technol, Minist Educ, Key Lab Coal Proc & Efficient Utilizat, Xuzhou 221114, Jiangsu, Peoples R China; [Zhao, Yun-Peng] Taiyuan Univ Technol, State Key Lab Breeding Base Coal Sci & Technol Co, Taiyuan 030024, Peoples R China; [Zhao, Yun-Peng] Taiyuan Univ Technol, Minist Sci & Technol, Taiyuan 030024, Peoples R China; [Wang, Rui-Yu] China Univ Min & Technol, Low Carbon Energy Inst, Xuzhou 221008, Jiangsu, Peoples R China in 2020, Cited 43. The Name is Diphenyl oxide. Through research, I have a further understanding and discovery of 101-84-8. Computed Properties of C12H10O

A highly efficient Ni/N-C catalyst was synthesized by facile pyrolysis of a Ni-containing metal-organic framework (Ni-MOF), and its catalytic hydrogenolysis performance towards C-O bonds in lignin was evaluated in detail using diphenyl ether (DPE) as a model compound. Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) analyses show that the flower-like nanosheets of the Ni-MOF shrink, forming a loose and ordered spherical structure during pyrolysis. Under the optimal conditions, DPE was completely converted and the selectivity to monomers (benzene, cyclohexanol and cyclohexane) reached 99.1%. During the catalytic hydrogenolysis conversion (CHC) of DPE, the direct cleavage of the C-aromatic-O bond affording benzene and phenol is the major reaction pathway, and a low H2 pressure is crucial to increase the monomer selectivity. Furthermore, Ni/N-C-450 shows high hydrogenolysis activity for other lignin-derived aryl ethers, such as benzyl phenyl ether, dibenzyl ether, dinaphthalene ether, benzyl 2-naphthyl ether and 3-methoxyphenol.

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In 2019.0 IND ENG CHEM RES published article about OLFACTORY PERCEPTION; FRAGRANCE; BINARY; MIXTURES; FLAVOR; MAGNITUDE; TERNARY; MODELS; SCALE in [Wakayama, Hideki; Sakasai, Mitsuyoshi; Inoue, Michiaki] Kao Corp, Global R&D, Sensory Sci Res, Sumida Ku, 2-1-3 Bunka, Tokyo 1318501, Japan; [Yoshikawa, Keiichi] Kao Corp, Global R&D, Sensory Sci Res, 2606 Haga Gun, Ichikai, Tochigi 3213497, Japan in 2019.0, Cited 40.0. The Name is Diphenyl oxide. Through research, I have a further understanding and discovery of 101-84-8. Recommanded Product: 101-84-8

The main purpose of this study is to facilitate fragrance development on the basis of scientific knowledge. To this end, data on 314 perfumery raw materials (PRMs) showing the relationship between PRM odor intensity and gas concentration were obtained, and a calculation model for the data was then developed with the following features: (1) maximum PRM coverage, (2) calculating values implying odor intensity from only arbitrary gas concentration, and (3) estimating odor intensity from the calculated values directly and easily. To verify the prediction accuracy of this model, the predicted odor intensity was compared with the evaluated value for both single component and a mixture, and the same degree of root-mean-square error (RMSE) was confirmed. RMSE in the single component was 6.22 while that in the mixture was 6.69. Thus, the odor intensity of a PRM or mixture can be predicted from arbitrary gas concentrations.

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Recommanded Product: Diphenyl oxide. In 2019.0 ENVIRON SCI TECHNOL published article about POLYBROMINATED DIPHENYL ETHERS; BROMINATED FLAME RETARDANTS; REDUCTIVE DEBROMINATION; FRACTIONATION; TRANSFORMATION; BIOTRANSFORMATION; METABOLISM; CHINA; DECHLORINATION; MECHANISMS in [Huang, Chenchen; Zeng, Yanhong; Luo, Xiaojun; Ren, Zihe; Tang, Bin; Gao, Shutao; Mai, Bixian] Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Guangdong, Peoples R China; [Huang, Chenchen; Zeng, Yanhong; Luo, Xiaojun; Ren, Zihe; Tang, Bin; Gao, Shutao; Mai, Bixian] Chinese Acad Sci, Guangzhou Inst Geochem, Guangdong Key Lab Environm Protect & Resources Ut, Guangzhou 510640, Guangdong, Peoples R China; [Huang, Chenchen; Ren, Zihe; Tang, Bin] Univ Chinese Acad Sci, Beijing 100049, Peoples R China; [Lu, Qihong; Wang, Shanquan] Sun Yat Sen Univ, Sch Environm Sci & Engn, Guangzhou, Guangdong, Peoples R China; [Wang, Shanquan] Guangdong Prov Key Lab Environm Pollut Control &, Guangzhou, Guangdong, Peoples R China in 2019.0, Cited 50.0. The Name is Diphenyl oxide. Through research, I have a further understanding and discovery of 101-84-8.

In the present study, positive matrix factorization (PMF) and compound-specific isotope analysis were used to investigate the in situ biodegradation of polybrominated diphenyl ethers (PBDEs) in sediment cores collected from a pond at an e-waste recycling site in South China. The potential microorganisms relevant to the degradation of PBDEs were also assessed to aid in the understanding of in situ biodegradation. The PMF results suggested that reductive debromination took place in the sediments. The debromination signal (ratio of the concentration of factor S (PMF result) to the total PBDE content) was positively correlated with the relative abundance of Dehalococcoidetes at different core depths. The clear C-13 enrichment of five PBDE congeners (BDE 28, 47, 49, 99, and 153) with increasing core depth indicated that a measurable change in isotope fractionation might have occurred during PBDE biodegradation. The in situ biodegradation was further validated by the widespread detection of mono-BDE congeners (BDE 2, BDE 3) and diphenyl ether in the sediments. This study provides new evidence to enhance our understanding of the in situ biodegradation of PBDEs and suggests that the extensive removal of bromine from PBDEs was mediated by indigenous microorganisms at the e-waste site.

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Ether – Wikipedia,
,Ether | (C2H5)2O – PubChem