Category: 90-44-8

I found the field of Chemistry; Science & Technology – Other Topics very interesting. Saw the article Visible-Light-Triggered Quantitative Oxidation of 9,10-Dihydroanthracene to Anthraquinone by O-2 under Mild Conditions published in 2020. HPLC of Formula: C14H10O, Reprint Addresses Fu, ZH (corresponding author), Hunan Normal Univ, Coll Chem & Chem Engn, Natl & Local Joint Engn Lab New Petrochem Mat & F, Changsha 410081, Hunan, Peoples R China.. The CAS is 90-44-8. Through research, I have a further understanding and discovery of Anthrone

The development of mild and efficient processes for the selective oxygenation of organic compounds by molecular oxygen (O-2) is key for the synthesis of oxygenates. This paper discloses an atom-efficient synthesis protocol for the photo-oxygenation of 9,10-dihydroanthracene (DHA) by O-2 to anthraquinone (AQ), which could achieve quantitative AQ yield (100 %) without any extra catalysts or additives under ambient temperature and pressure. A yield of 86.4 % AQ was obtained even in an air atmosphere. Furthermore, this protocol showed good compatibility for the photo-oxidation of several other compounds with similar structures to DHA. From a series of control experiments, free-radical quenching, and electron paramagnetic resonance spin-trapping results, the photo-oxygenation of DHA was probably initiated by its photoexcited state DHA*, and the latter could activate O-2 to a superoxide anion radical (O-2(.-)) through the transfer of its electron. Subsequently, this photo-oxidation was gradually dominated by the oxygenated product AQ as an active photocatalyst obtained from the oxidation of DHA by O-2(.-), and was accelerated with the rapid accumulation of AQ. The present photo-oxidation protocol is a good example of selective oxygenation based on the photoexcited substrate self-activated O-2, which complies well with green chemistry ideals.

HPLC of Formula: C14H10O. About Anthrone, If you have any questions, you can contact Jiang, DB; Hu, WW; Chen, MK; Fu, ZH; Su, AQ; Yang, B; Mao, F; Zhang, C; Liu, YC; Yin, DL or concate me.

Reference:
Thiomorpholine – Wikipedia,
,Thiomorpholine | C4H9NS – PubChem

Recently I am researching about FT-ICR MS; HYDROCARBONS PAHS; MOLECULAR CHARACTERIZATION; AIRBORNE PARTICLES; OXYGENATED-PAHS; IDENTIFICATION; EMISSIONS; PM2.5; QUANTIFICATION; CONTAMINANTS, Saw an article supported by the National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [91843301, 21976187]; State Key Project of Research and Development Plan [2019YFC1805605, 2018YFC1801601]. Published in AMER CHEMICAL SOC in WASHINGTON ,Authors: Xu, C; Gao, LR; Zheng, MH; Qiao, L; Wang, KR; Huang, D; Wang, S. The CAS is 90-44-8. Through research, I have a further understanding and discovery of Anthrone. Category: thiomorpholine

Polycyclic aromatic hydrocarbons (PAHs) are mutagenic and carcinogenic. 16 PAHs as priority pollutants listed by the US Environmental Protection Agency were usually monitored. Therefore, multiple potentially toxic polycyclic aromatic compounds (PACs) are not monitored. In this study, atmospheric particulate matter samples from Beijing were analyzed using atmospheric pressure photoionization (APPI) Fourier transform ion cyclotron resonance (FT-ICR) mass spectrometry and comprehensive two-dimensional gas chromatography-time-of-flight (GC x GC-TOF) mass spectrometry. The FT-ICR data detected high molecular weight PAHs, alkylated PAHs (APAHs) and heteroatom PAHs. The GC x GC-TOF data tentatively identified 386 PACs in five categories of identification confidence. Twenty-one spectra in the unknown class were manually resolved. Eighty-two PACs with high identification confidence were proposed for further research. The identities of five PAHs and five APAHs that are currently not regulated were confirmed using available standards and quantified in some samples. Some of these PACs, such as dibenzo[a,e]pyrene (C22H14) and 1-methylpyrene (C17H12), should be of concern because of their contamination levels and the high toxicities of themselves and/or their derivatives. This study highlights the possibility of expanding the traditional lists of PAHs to improve pollution control and risk assessment accuracy.

About Anthrone, If you have any questions, you can contact Xu, C; Gao, LR; Zheng, MH; Qiao, L; Wang, KR; Huang, D; Wang, S or concate me.. Category: thiomorpholine

Reference:
Thiomorpholine – Wikipedia,
,Thiomorpholine | C4H9NS – PubChem

An article Multi-charged macrocycles as a platform for rapid and broad spectral photodecomposition of aromatic dyes WOS:000544483800025 published article about LOW-COST ADSORBENTS; SUPRAMOLECULAR ASSEMBLIES; AQUEOUS-SOLUTION; METHYLENE-BLUE; SINGLET OXYGEN; ORGANIC-DYES; REMOVAL; ADSORPTION; PHOTOLYSIS; KINETICS in [Guan, Xinran; Chen, Yong; Guo, Peng; Li, Pei-Yu; Liu, Yu] Nankai Univ, Coll Chem, State Key Lab Elementoorgan Chem, Tianjin 300071, Peoples R China; [Chen, Yong; Liu, Yu] Collaborat Innovat Ctr Chem Sci & Engn Tianjin, Tianjin 300072, Peoples R China in 2020, Cited 38. Safety of Anthrone. The Name is Anthrone. Through research, I have a further understanding and discovery of 90-44-8

Four water-soluble macrocycles were chosen to explore the photodecomposition behaviours of quaternized 9-alkoxy-substituted anthracene (AnQA). Significantly, a highly charged macrocyclic skeleton leads to extremely close packing among the anthryl rings, providing a favourable hydrophobic environment for singlet oxygen, leading to rapid oxidation to produce the photoproducts under sunlight irradiation.

About Anthrone, If you have any questions, you can contact Guan, XR; Chen, Y; Guo, P; Li, PY; Liu, Y or concate me.. Safety of Anthrone

Reference:
Thiomorpholine – Wikipedia,
,Thiomorpholine | C4H9NS – PubChem

In 2019 ECOTOX ENVIRON SAFE published article about POLYCYCLIC AROMATIC-HYDROCARBONS; GAS-PHASE REACTIONS; ADVANCED OXIDATION; PHOTOINDUCED TOXICITY; WATER-TREATMENT; RATE CONSTANTS; OH RADICALS; DEGRADATION; PERSULFATE; PHENANTHRENE in [Liu, Wen; Lv, Guochun; Sun, Xiaomin] Shandong Univ, Environm Res Inst, Jinan 250100, Shandong, Peoples R China; [He, Lin] Leibniz Inst Tropospher Res TROPOS, ACD, D-04318 Leipzig, Germany; [Zhang, Chenxi] Binzhou Univ, Coll Biol & Environm Engn, Binzhou 256600, Peoples R China; [Li, Zhiqiang] Shandong Univ, CORE, Qingdao 266237, Shandong, Peoples R China in 2019, Cited 48. The Name is Anthrone. Through research, I have a further understanding and discovery of 90-44-8. Application In Synthesis of Anthrone

Sulfate radical (SO4 center dot(-)) and hydroxyl radical (center dot OH) generated from persulfate or peroxymonosulfate in AOPs have been widely used in contaminant degradation. Anthracene (ANT) can be decomposed by SO4 center dot(-) and center dot OH. The processes of ANT decomposition were investigated using theoretical calculations in this paper. The initiation reactions of ANT, anthrone, anthraquinone (ATQ) and 1-hydroxylanthraquinone (1-hATQ) by two radicals are studied. The highest free energy barriers of initiation reactions are 22.30 kcal mol(-1) in ATQ + SO4 center dot(-) reaction and 6.84 kcal mol(-1) in ATQ + center dot OH reaction. Comparing the rate constants of initiation reaction through the two radicals at 273-373 K, it can be concluded that SO4 center dot(-) and center dot OH both play important roles on the initiation of ANT and anthrone at lower pH. For ATQ and 1-hATQ, center dot OH is more important than SO4 center dot(-) in the initiation process, which indicates that the indirect influence of SO4 center dot(-) are more significant in the degradation processes of ATQ and 1-hATQ. This study provides theoretical confirmations for the mechanisms of reactions of ANT with SO4 center dot(-) and center dot OH, and evaluates the importance of SO4 center dot(-) and center dot OH according to the reaction rates. The work can give more insight into the degradation of PAHs by radicals.

Application In Synthesis of Anthrone. About Anthrone, If you have any questions, you can contact Liu, W; Lv, GC; Sun, XM; He, L; Zhang, CX; Li, ZQ or concate me.

Reference:
Thiomorpholine – Wikipedia,
,Thiomorpholine | C4H9NS – PubChem

Authors Hosseini, A; Schreiner, PR in WILEY-V C H VERLAG GMBH published article about ONE-POT SYNTHESIS; ARYL HALIDES; DERIVATIVES; ALCOHOLS; FLUORIDE; MECHANOCHEMISTRY; NANOPARTICLES; HYDROCARBONS; ACTIVATION; VINYLATION in [Hosseini, Abolfazl; Schreiner, Peter R.] Justus Liebig Univ Giessen, Inst Organ Chem, Heinrich Buff Ring 17, D-35392 Giessen, Germany in 2020, Cited 71. SDS of cas: 90-44-8. The Name is Anthrone. Through research, I have a further understanding and discovery of 90-44-8

Ball milling of calcium carbide (CaC2) enables the reaction of its ethynyl moiety with organic electrophiles. This was realized simply by co-milling CaC(2)with organic substrates in a sealed jar without the need for an additive or a catalyst. Various ketones including those bearing alpha-hydrogens were ethynylated in good yields at short reaction times. Aryl halides are also amenable substrates for this protocol as they furnish aryl ethynes through a benzyne intermediate. This method offers a practical and cheap alternative to the established procedures for introducing ethynyl functionalities.

SDS of cas: 90-44-8. About Anthrone, If you have any questions, you can contact Hosseini, A; Schreiner, PR or concate me.

Reference:
Thiomorpholine – Wikipedia,
,Thiomorpholine | C4H9NS – PubChem

HPLC of Formula: C14H10O. I found the field of Chemistry very interesting. Saw the article Origin and turnaround of enantioselectivity in a chiral organocatalysed Diels-Alder reaction: A mechanistic study published in 2020, Reprint Addresses Karnik, AV; Badani, PM (corresponding author), Univ Mumbai, Dept Chem, Mumbai 400098, Maharashtra, India.. The CAS is 90-44-8. Through research, I have a further understanding and discovery of Anthrone.

The present work comprises exploring the efficacies of the chiral organocatalysts employed in the classic Diels-Alder reaction between anthrone and maleimide in generating an enantioselective product. The complete mechanism of the reaction has been figured out by performing the electronic structure calculations at the density functional theory (DFT) level. Our calculations suggest that the reaction commences with the abstraction of acidic proton of anthrone instigated by organocatalysts, (S)-(-)-N-(methyl-2 ‘-pyridyl)-2-(alpha-hydroxyethyl)benzimidazole [Pyr-HEB] and (S)-(-)-N-(methyl-1 ‘-benzotriazolyl)-2-(alpha-hydroxyethyl)benzimidazole [Btz-HEB]. Subsequently, N-methyl maleimide interacts with the nucleophilic carbon of anthrone in a stepwise pathway, either from left-hand side or right-hand side, resulting in the generation of an enantioselective chiral product. A unique feature in the above reaction was that Pyr-HEB and Btz-HEB favoured the formation of SS-product and RR-product, respectively, with high enantioselectivity. The turnaround of enantioselectivity upon changing the catalyst has been attributed to the noncovalent interaction and steric orientation in the molecule during the intermediate reaction steps. An estimated value of degree of enantioselectivity, for both the catalysts, was obtained in accordance with the experimental findings.

About Anthrone, If you have any questions, you can contact Maliekal, PJ; Gulvi, NR; Karnik, AV; Badani, PM or concate me.. HPLC of Formula: C14H10O

Reference:
Thiomorpholine – Wikipedia,
,Thiomorpholine | C4H9NS – PubChem

Recently I am researching about QUATERNARY AMMONIUM POLYMERS; MICHAEL ADDITION; CHIRAL POLYMERS; ORGANOCATALYSTS; ARYL, Saw an article supported by the . Product Details of 90-44-8. Published in WILEY-V C H VERLAG GMBH in WEINHEIM ,Authors: Abdelkawy, MA; Aly, EA; El-Badawi, MA; Itsuno, S. The CAS is 90-44-8. Through research, I have a further understanding and discovery of Anthrone

Chiral polyureas of cinchona alkaloids were synthesized via repetitive Mizoroki-Heck (MH) coupling reaction. The Pd-catalyzed polycondensation of cinchona urea dimers6and aromatic diiodide7afforded the chiral polyureas (P1-P4). The catalytic activity of the chiral polymers was subsequently investigated. The asymmetric Michael addition of ketoesters to nitroolefins was successfully catalyzed by the polymeric organocatalysts (P1-P4) to give the corresponding Michael adducts with high catalytic activities and excellent enantionselectivities (up to >99% ee). The polymeric catalysts were insoluble in commonly used organic solvents. They were easily recovered and reused several times without any loss of the catalytic activity.

Product Details of 90-44-8. About Anthrone, If you have any questions, you can contact Abdelkawy, MA; Aly, EA; El-Badawi, MA; Itsuno, S or concate me.

Reference:
Thiomorpholine – Wikipedia,
,Thiomorpholine | C4H9NS – PubChem

In 2021 CATALYSTS published article about MEERWEIN-PONNDORF-VERLEY; CARBONYL-COMPOUNDS; ALPHA,BETA-UNSATURATED ALDEHYDES; TRANSFER REDUCTION; ALIPHATIC-KETONES; MIXED-OXIDE; 2-PROPANOL; MGO; CYCLOHEXANONE; REACTIVITY in [Glinski, Marek; Markowska, Anna; Wronska, Laura; Jerzak, Anna; Tarkowska, Magdalena] Warsaw Univ Technol, Fac Chem, PL-00664 Warsaw, Poland in 2021, Cited 47. The Name is Anthrone. Through research, I have a further understanding and discovery of 90-44-8. Application In Synthesis of Anthrone

MgO has been shown to catalyze an almost quantitative hydrogen transfer from 2-octanol as the hydrogen donor to benzophenone to form benzhydrol, a useful intermediate product in the pharmaceutical industry. The hydrogen transfer from a series of alcohols to the carbonyl group of benzophenone, its ten derivatives, four polycyclic ketones, and 2-naphthyl phenyl ketone was carried out in liquid (LP) or vapor phase (VP). The dependence of reactivity on the structure of the hydrogen donor, reaction temperature, donor-acceptor ratio, amount of catalyst, and the type and position of substituents has been established. For both reaction modes, optimal conditions for selective synthesis of the alcohols were determined and side reactions were investigated. The results indicate that the reactivity of the ketone is suppressed by the presence of a methyl substituent in the ortho position to a much greater extent in LP mode. A scale-up was demonstrated in the liquid phase mode.

Application In Synthesis of Anthrone. About Anthrone, If you have any questions, you can contact Glinski, M; Markowska, A; Wronska, L; Jerzak, A; Tarkowska, M or concate me.

Reference:
Thiomorpholine – Wikipedia,
,Thiomorpholine | C4H9NS – PubChem

An article Synthesis and characterization of novel polyimides based on 10,10-bis[4-(4-aminophenoxy)-3-methylphenyl]-9(10H)-anthrone WOS:000544441700006 published article about LOW-DIELECTRIC-CONSTANT; T-G; IMIDE)S; DIANHYDRIDE; POLYAMIDES; DIAMINE; PROPANE in [Kuang, Lu; Zhong, Ming; Sang, Xiao-Yan; Huang, Zhen-Zhong] Jiangxi Normal Univ, Key Lab Funct Small Organ Mol, Minist Educ, Nanchang 330022, Jiangxi, Peoples R China in 2020, Cited 30. SDS of cas: 90-44-8. The Name is Anthrone. Through research, I have a further understanding and discovery of 90-44-8

10,10-Bis[4-(4-aminophenoxy)-3-methylphenyl]-9(10H)-anthrone, as a novel aromatic diamine, was synthesized from anthrone by three-step process. A series of polyimides containing methyl substituents and 9(10H)-anthrone pendant groups was prepared from this diamine with various aromatic dianhydridesviathe poly(amic acid) (PAA) precursors and subsequent thermal or chemical imidization procedure. Inherent viscosities of PAAs are between 0.87 and 1.58 dL/g, and the corresponding polyimides have the weight-average molecular weight and number-average molecular weight in the range of 49,400-64,200 and 28,700-37,700, respectively. Most of the polyimides obtained through the chemical cyclodehydration method are soluble in NMP, DMF, DMAc, Py andm-cresol at room temperature. These polyimides have glass transition temperatures of 289-313 degrees C, 10% weight loss temperatures of 484-524 degrees C, char yields of 55-63% at 800 degrees C, and temperature at the maximum-rate degradation of 560-584 degrees C in nitrogen, respectively. The polyimide films obtained through the thermal imidization have tensile strength of 76.43-119.74 MPa, elongation at break of 6.93-12.33%, and tensile modulus of 1.91-2.38 GPa.

SDS of cas: 90-44-8. About Anthrone, If you have any questions, you can contact Kuang, L; Zhong, M; Sang, XY; Huang, ZZ or concate me.

Reference:
Thiomorpholine – Wikipedia,
,Thiomorpholine | C4H9NS – PubChem

An article Transcriptome analysis identifies novel responses and potential regulatory genes involved in 12-deoxyphorbol-13-phenylacetate biosynthesis of Euphorbia resinifera WOS:000471086000016 published article about GENOME SEQUENCE; EXPRESSION; CASBENE; PROSTRATIN; PATHWAY; ANALOGS; CLONING; PLANTS in [Zhang, Kaikai; Yang, Yanfang; Qiu, Deyou] Chinese Acad Forestry, Res Inst Forestry, Key Lab Tree Breeding & Cultivat, State Key Lab Tree Genet & Breeding,State Forestr, Beijing 100091, Peoples R China; [Zhang, Kaikai; Chen, Duanfen; Yao, Zhiwang; Li, Yunfeng] Agr Univ Hebei, Coll Hort, Baoding 071001, Peoples R China; [Fan, Wei] Chinese Acad Forestry, State Key Lab Tree Genet & Breeding, Beijing 100091, Peoples R China; [Huang, Zhongwen] Henan Inst Sci & Technol, Henan Collaborat Innovat Ctr Modern Biol Breeding, Xinxiang 453003, Henan, Peoples R China in 2019, Cited 30. The Name is Anthrone. Through research, I have a further understanding and discovery of 90-44-8. Formula: C14H10O

12-Deoxyphorbol-13-phenylacetate (DPP), found in Euphorbia resinifera, is a prototype of a new class of phorbol derivatives that function as protein kinase C activators with potent anti-tumor-promoting activity. To better understand the biosynthesis of DPP in E. resinifera and develop methods for its production, we used next-generation sequencing technologies to build a transcriptome dataset. We obtained a total of approximately 27,102,078 clean reads that were assembled into 90,448 unigenes. Of those, 129 and 59 unigenes were identified in the Terpenoid Backbone Biosynthesis (TBB) (KEGG map00900) and the Diterpenoid Biosynthesis (DB) (KEGG map00904) pathways, respectively. We investigated the expression patterns of 23 DPP biosynthesis-related genes and validated the results by quantitative real time PCR. The results showed that CMK (4-diphosphocytidyl-2-C-methyl-o-erythritol kinase), MECS (2-C-methyl-D-erythritol 2,4-cyclodiphosphate synthase), HDS (1-hydroxy-2-methyl-2-(E)-butenyl 4-diphosphate synthase), and IPI (Isopentenyl-diphosphate Delta-isomerase) of the methylerythritol 4-phosphate (MEP) pathway had a higher expression compared to other genes of TBB, whereas the expression levels of genes involved in the mevalonic acid (MVA) pathway were relatively lower and not significantly different from each other. Furthermore, the expression of the 23 genes in root, stem and young stem differed, and the statistical results indicated that HMGS (Hydroxymethylglutaryl-CoA synthase), MVK (mevalonic acid), MECT (2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase), MECS, HDS and IPI in the TBB pathway as well as KS in the DB pathway were significantly and positively correlated with the CS (casbene synthase) gene. These results suggested that both cytosol-localized MVA and plastid-localized MEP pathways may have a significant contribution in DPP accumulation, with MEP pathway playing a dominant role. To the best of our knowledge, this study is the first transcriptome analysis of E. resinifera and the results reported here will aid the identification of functional genes and better understanding of DPP biosynthesis.

About Anthrone, If you have any questions, you can contact Zhang, KK; Fan, W; Huang, ZW; Chen, DF; Yao, ZW; Li, YF; Yang, YF; Qiu, DY or concate me.. Formula: C14H10O

Reference:
Thiomorpholine – Wikipedia,
,Thiomorpholine | C4H9NS – PubChem