Tag: M.W=150-200

Formula: C13H8O2. Recently I am researching about CHARGE-TRANSFER; ORGANIC COCRYSTALS; MOLECULAR-COMPLEX; DESIGN; ANTHRACENE; PYRENE; WILL, Saw an article supported by the Engineering and Physical Sciences Research Council (EPSRC)UK Research & Innovation (UKRI)Engineering & Physical Sciences Research Council (EPSRC) [EP/S026339/1]; EPSRCUK Research & Innovation (UKRI)Engineering & Physical Sciences Research Council (EPSRC) [EP/R018472/1]; Leverhulme TrustLeverhulme Trust; Leverhulme Research Centre for Functional Materials Design via the Leverhulme Research Centre for Functional Materials Design [RC-2015-036]; Cambridge Crystallographic Data Centre. Published in ROYAL SOC CHEMISTRY in CAMBRIDGE ,Authors: Vriza, A; Canaj, AB; Vismara, R; Cook, LJK; Manning, TD; Gaultois, MW; Wood, PA; Kurlin, V; Berry, N; Dyer, MS; Rosseinsky, MJ. The CAS is 2005-10-9. Through research, I have a further understanding and discovery of 6H-Benzo[c]chromen-6-one

The implementation of machine learning models has brought major changes in the decision-making process for materials design. One matter of concern for the data-driven approaches is the lack of negative data from unsuccessful synthetic attempts, which might generate inherently imbalanced datasets. We propose the application of the one-class classification methodology as an effective tool for tackling these limitations on the materials design problems. This is a concept of learning based only on a well-defined class without counter examples. An extensive study on the different one-class classification algorithms is performed until the most appropriate workflow is identified for guiding the discovery of emerging materials belonging to a relatively small class, that being the weakly bound polyaromatic hydrocarbon co-crystals. The two-step approach presented in this study first trains the model using all the known molecular combinations that form this class of co-crystals extracted from the Cambridge Structural Database (1722 molecular combinations), followed by scoring possible yet unknown pairs from the ZINC15 database (21 736 possible molecular combinations). Focusing on the highest-ranking pairs predicted to have higher probability of forming co-crystals, materials discovery can be accelerated by reducing the vast molecular space and directing the synthetic efforts of chemists. Further on, using interpretability techniques a more detailed understanding of the molecular properties causing co-crystallization is sought after. The applicability of the current methodology is demonstrated with the discovery of two novel co-crystals, namely pyrene-6H-benzo[c]chromen-6-one (1) and pyrene-9,10-dicyanoanthracene (2).

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Reference:
Article; Zhang, Jian; Shi, Dongdong; Zhang, Haifeng; Xu, Zheng; Bao, Hanyang; Jin, Hongwei; Liu, Yunkui; Tetrahedron; vol. 73; 2; (2017); p. 154 – 163;,
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

An article Aroma characteristics of Cabernet Sauvignon wines from Loess Plateau in China by QDA (R), Napping (R) and GC-O analysis WOS:000516055900001 published article about VOLATILE COMPOUNDS; WHITE WINES; PROFILE; REGION; ACIDS in [Tang, Ke; Tian, Xin; Ma, Yue; Sun, Yulu; Xu, Yan] Jiangnan Univ, Minist Educ, Key Lab Ind Biotechnol, 1800 Lihu Ave, Wuxi, Jiangsu, Peoples R China; [Tang, Ke; Tian, Xin; Ma, Yue; Sun, Yulu; Xu, Yan] Jiangnan Univ, State Key Lab Food Sci & Technol, 1800 Lihu Ave, Wuxi, Jiangsu, Peoples R China; [Qi, Xinchun; Miu, Chengpeng] Chateau Rongzi Co Ltd, Linfen, Shanxi, Peoples R China in 2020.0, Cited 37.0. Product Details of 103-26-4. The Name is Methyl 3-phenyl-2-propenoate. Through research, I have a further understanding and discovery of 103-26-4

Loess Plateau is a new rapidly developing wine region in China, but wine style from this region is rarely studied. The aroma typicalies and differences of Cabernet Sauvignon wines between Loess Plateau and other three main regions (Shandong, Ningxia and Xinjiang) in China were comprehensively analyzed by Quantitative Descriptive Analysis (QDA (R)), Napping (R) and Gas Chromatography-Olfactometry (GC-O) analysis. Results showed that differences existed between wines from Loess Plateau and other three regions in China based on their aroma characteristics. The results of QDA (R) and Napping (R) revealed that wines from Loess Plateau had richer fruity aroma, especially the typical hawthorn aroma. A similar result showed that the fruity compounds had higher flavor dilution factors in wines from Loess Plateau by aroma extract dilution analysis. Identified by GC-O and gas chromatography-mass spectrometric, ethyl butanoate, isoamyl formate and butyl acetate were key compounds for the fruity aroma of wines from Loess Plateau.

Product Details of 103-26-4. About Methyl 3-phenyl-2-propenoate, If you have any questions, you can contact Tang, K; Tian, X; Ma, Y; Sun, YL; Qi, XC; Miu, CP; Xu, Y or concate me.

Reference:
Article; Weng, Shiue-Shien; Ke, Chih-Shueh; Chen, Fong-Kuang; Lyu, You-Fu; Lin, Guan-Ying; Tetrahedron; vol. 67; 9; (2011); p. 1640 – 1648;,
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

In 2019.0 ORG LETT published article about ALKYLBORONIC ESTERS; BOND FORMATION; BORYLATION; SECONDARY; SUBSTITUTION; CONSTRUCTION; ACTIVATION; ALKENES; HALIDES in [Wang, Xiao-Xu; Li, Lei; Gong, Tian Jun; Xiao, Bin; Lu, Xi; Fuo, Yao] Univ Sci & Technol China, iChEM, Anhui Prov Key Lab Biomass Clean Energy, Hefei Natl Lab Phys Sci Microscale,CAS Key Lab Ur, Hefei 230026, Anhui, Peoples R China in 2019.0, Cited 62.0. The Name is Methyl 3-phenylpropionate. Through research, I have a further understanding and discovery of 103-25-3. Category: esters-buliding-blocks

Vicinal diboration of alkyl bromides via tandem catalysis is reported. The reported reaction exhibits a broad substrate scope, good functional group compatibility, and regioselectivity. Moreover, it shows good practicality due to the easy accessibility of alkyl bromides in combination with diverse transformations of diboronates. Mechanism study indicates that terminal alkenes are generated selectively through nickel-catalyzed dehydrohalogenation of alkyl bromides followed by base/MeOH promoted diboration process to provide 1,2-diboration products.

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Reference:
Patent; SANOFI; US2011/294788; (2011); A1;,
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

I found the field of Chemistry very interesting. Saw the article A general platinum-catalyzed alkoxycarbonylation of olefins published in 2020.0. Formula: C10H12O2, Reprint Addresses Beller, M (corresponding author), Leibniz Inst Katalyse, Albert Einstein Str 29a, D-18059 Rostock, Germany.. The CAS is 103-25-3. Through research, I have a further understanding and discovery of Methyl 3-phenylpropionate

Hydroxy- and alkoxycarbonylation reactions constitute important industrial processes in homogeneous catalysis. Nowadays, palladium complexes constitute state-of-the-art catalysts for these transformations. Herein, we report the first efficient platinum-catalysed alkoxycarbonylations of olefins including sterically hindered and functionalized ones. This atom-efficient catalytic transformation provides straightforward access to a variety of valuable esters in good to excellent yields and often with high selectivities. In kinetic experiments the activities of Pd- and Pt-based catalysts were compared. Even at low catalyst loading, Pt shows high catalytic activity.

Formula: C10H12O2. Welcome to talk about 103-25-3, If you have any questions, you can contact Yang, J; Liu, JW; Ge, Y; Huang, WH; Schneider, C; Duhren, R; Franke, R; Neumann, H; Jackstell, R; Beller, M or send Email.

Reference:
Patent; SANOFI; US2011/294788; (2011); A1;,
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Name: Methyl 3-phenylpropionate. Patel, HA; Rawat, M; Patel, AL; Bedekar, AV in [Patel, Heta A.; Rawat, Maitreyee; Patel, Arun L.; Bedekar, Ashutosh V.] Maharaja Sayajirao Univ Baroda, Fac Sci, Dept Chem, Vadodara 390002, India published Celite-Polyaniline supported palladium catalyst for chemoselective hydrogenation reactions in 2019.0, Cited 110.0. The Name is Methyl 3-phenylpropionate. Through research, I have a further understanding and discovery of 103-25-3.

Polyaniline coated on particles of celite is used as support to load palladium catalyst. This heterogenized Celite center dot PANI center dot Pd system, is used as an efficient catalyst for chemoselective hydrogenation reactions. The catalyst is characterized by usual spectral, analytical techniques and studied for hydrogenation reactions at ambient conditions. The mild reaction conditions allow the control over the reactions and excellent selectivity is achieved in number of conversions. Hydrogenation of a carbon-carbon double bond was favored over other polar pi-bond systems, while labile functional groups such as benzyl ether, benzyl esters, cyano, nitro and halogen remained unaffected. Primary amines were converted to N,N-dimethyl amines with formaldehyde, the double bond of coumarin was selectively hydrogenated without opening of the lactone functionality.

Welcome to talk about 103-25-3, If you have any questions, you can contact Patel, HA; Rawat, M; Patel, AL; Bedekar, AV or send Email.. Name: Methyl 3-phenylpropionate

Reference:
Patent; SANOFI; US2011/294788; (2011); A1;,
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

In 2019.0 ORG BIOMOL CHEM published article about STEREOSELECTIVE REACTIONS; ALKYNES; ACID; CYCLOPROPENATION; CYCLOADDITION; AMPLIFICATION; ALDEHYDES; STRATEGY; RH in [Shi, Taoda; Teng, Shenghan] East China Normal Univ, Shanghai Engn Res Ctr Mol Therapeut & New Drug De, Sch Chem & Chem Engn, Shanghai 200062, Peoples R China; [Shi, Taoda; Zhang, Yueteng; Moore, Kohlson T.; Buckley, Thomas; Mason, Damian J.; Wang, Wei; Chapman, Eli] Univ Arizona, Coll Pharm, Dept Pharmacol & Toxicol, Tucson, AZ 85721 USA; [Reddy, Alavala Gopi Krishna; Hu, Wenhao] Sun Yat Sen Univ, Sch Pharmaceut Sci, Guangzhou, Guangdong, Peoples R China; [Guo, Xin] Wenzhou Med Univ, Sch Pharmaceut Sci, Wenzhou, Zhejiang, Peoples R China in 2019.0, Cited 46.0. The Name is Methyl 3-phenylpropionate. Through research, I have a further understanding and discovery of 103-25-3. Application In Synthesis of Methyl 3-phenylpropionate

We report a bifunctional Ag catalyst promoted intramolecular capture of oxonium ylides with alkynes for the enantioselective synthesis of 2,5-dihydrofurans. This represents unprecedented synergistic catalysis of a bifunctional Ag catalyst. Mechanistic studies revealed that [(R)-3,5-DM-BINAP](AgSbF6)(2) (9) is likely to be the active catalytic species and that the reaction involves second order kinetics with respect to 9, suggesting that two molecules of 9 are involved in the intramolecular trapping of a Ag-associated oxonium ylide with a Ag-activated alkyne. Based on our mechanistic hypothesis, we further optimized the reaction, rendering a facile approach to 2,5-dihydrofurans in good to excellent yields in a highly chemo- and enantioselective fashion.

Application In Synthesis of Methyl 3-phenylpropionate. Bye, fridends, I hope you can learn more about C10H12O2, If you have any questions, you can browse other blog as well. See you lster.

Reference:
Patent; SANOFI; US2011/294788; (2011); A1;,
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

An article Rhenium-Catalyzed Decarboxylative Tri-/Difluoromethylation of Styrenes with Fluorinated Carboxylic Acid-Derived Hypervalent Iodine Reagents WOS:000495487300001 published article about C-H TRIFLUOROMETHYLATION; OXIDATIVE TRIFLUOROMETHYLATION; ALKENES; BONDS; DIFUNCTIONALIZATION; FUNCTIONALIZATION; ALKYNES; OXYTRIFLUOROMETHYLATION; PERFLUOROALKYLATION; AMINOACETOXYLATION in [Wang, Yin] Lanzhou Univ, Sch Nucl Sci & Technol, Radiochem Lab, Lanzhou 730000, Gansu, Peoples R China; [Wang, Yin; Yang, Yunhui; Wang, Congyang] Chinese Acad Sci, Beijing Natl Lab Mol Sci, CAS Key Lab Mol Recognit & Funct, CAS Res Educ Ctr Excellence Mol Sci,Inst Chem, Beijing 100190, Peoples R China; [Wang, Yin; Yang, Yunhui; Wang, Congyang] Univ Chinese Acad Sci, Beijing 100049, Peoples R China; [Yang, Yunhui; Wang, Congyang] Huairou Natl Comprehens Sci Ctr, Phys Sci Lab, Beijing 101400, Peoples R China in 2019.0, Cited 110.0. SDS of cas: 103-26-4. The Name is Methyl 3-phenyl-2-propenoate. Through research, I have a further understanding and discovery of 103-26-4

of main observation and conclusion Herein, unprecedented rhenium-catalyzed decarboxylative oxytri-/difluoromethylation and Heck-type trifluoromethylation of styrenes have been developed by using hypervalent iodine(III) reagents derived from cheap, stable, and easy-handling fluorinated carboxylic acids. Mechanistic studies revealed a radical decarboxylative trifluoromethylation pathway occurring in these reactions.

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Reference:
Article; Weng, Shiue-Shien; Ke, Chih-Shueh; Chen, Fong-Kuang; Lyu, You-Fu; Lin, Guan-Ying; Tetrahedron; vol. 67; 9; (2011); p. 1640 – 1648;,
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Recently I am researching about C-H AMINATION; EXCITED-STATE; LIGNIN; BENZENE; SPIROCYCLIZATION; NAPHTHALENE; DERIVATIVES; CYCLIZATION; OXIDATION; CLEAVAGE, Saw an article supported by the National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [21711530020, 21721004, 21690082, 21690084, 21690080]; Strategic Priority Research Program of the Chinese Academy of SciencesChinese Academy of Sciences [XDB17020300, XDB17000000]; STINT [CH2016-6755]; NSFCNational Natural Science Foundation of China (NSFC); Swedish Energy AgencySwedish Energy Agency [P39427-1]. Published in ROYAL SOC CHEMISTRY in CAMBRIDGE ,Authors: Li, HJ; Subbotina, E; Bunrit, A; Wang, F; Samec, JSM. The CAS is 2005-10-9. Through research, I have a further understanding and discovery of 6H-Benzo[c]chromen-6-one. Name: 6H-Benzo[c]chromen-6-one

The idea of using biaryl structures to generate synthetic building blocks such as spirolactones is attractive because biaryl structures are abundant in biomass waste streams. However, the inertness of aromatic rings of biaryls makes it challenging to transform them into functionalized structures. In this work, we developed photoinduced dearomatization of nonphenolic biaryl compounds to generate spirolactones. We demonstrate that dearomatization can be performed via either aerobic photocatalysis or anaerobic photooxidation to tolerate specific synthetic conditions. In both pathways, dearomatization is induced by electrophilic attack of the carboxyl radical. The resulting spirodiene radical is captured by either oxygen or water in aerobic and anaerobic systems, respectively, to generate the spirodienone. These methods represent novel routes to synthesize spirolactones from the biaryl motif.

Name: 6H-Benzo[c]chromen-6-one. Welcome to talk about 2005-10-9, If you have any questions, you can contact Li, HJ; Subbotina, E; Bunrit, A; Wang, F; Samec, JSM or send Email.

Reference:
Article; Zhang, Jian; Shi, Dongdong; Zhang, Haifeng; Xu, Zheng; Bao, Hanyang; Jin, Hongwei; Liu, Yunkui; Tetrahedron; vol. 73; 2; (2017); p. 154 – 163;,
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Recently I am researching about O BOND FORMATION; CARBOXYLIC-ACIDS; BENZOCOUMARINS; LACTONIZATION; CYCLIZATION; ACCESS; NIS, Saw an article supported by the JSPS KAKENHIMinistry of Education, Culture, Sports, Science and Technology, Japan (MEXT)Japan Society for the Promotion of ScienceGrants-in-Aid for Scientific Research (KAKENHI) [JP18K05118]. Published in PERGAMON-ELSEVIER SCIENCE LTD in OXFORD ,Authors: Nakamura, M; Togo, H. The CAS is 2005-10-9. Through research, I have a further understanding and discovery of 6H-Benzo[c]chromen-6-one. Category: esters-buliding-blocks

Treatment of 2-arylbenzoic acids with N-chlorosuccinimide (NCS) and NaI at 70 degrees C under fluorescent lighting condition gave the corresponding 3,4-benzocoumarins in good yields under transition-metal-free condition. It was found that the reactivity of NCS with NaI for the formation of 3,4-benzocoumarins from 2-arylbenzoic acids was as high as that with NIS. Thus, the formation of carboxyl radicals and their cyclization onto an aromatic ring from 2-arylbenzoic acids with much less expensive NCS and NaI, than NIS could be successfully carried out to form 3,4-benzocoumarins.

Bye, fridends, I hope you can learn more about C13H8O2, If you have any questions, you can browse other blog as well. See you lster.. Category: esters-buliding-blocks

Reference:
Article; Zhang, Jian; Shi, Dongdong; Zhang, Haifeng; Xu, Zheng; Bao, Hanyang; Jin, Hongwei; Liu, Yunkui; Tetrahedron; vol. 73; 2; (2017); p. 154 – 163;,
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

COA of Formula: C10H10O2. I found the field of Biochemistry & Molecular Biology; Chemistry; Polymer Science very interesting. Saw the article Controlled Radical Copolymerization of Cinnamic Derivatives as Renewable Vinyl Monomers with Both Acrylic and Styrenic Substituents: Reactivity, Regioselectivity, Properties, and Functions published in 2019.0, Reprint Addresses Satoh, K; Kamigaito, M (corresponding author), Nagoya Univ, Grad Sch Engn, Dept Mol & Macromol Chem, Chikusa Ku, Furo Cho, Nagoya, Aichi 4648603, Japan.. The CAS is 103-26-4. Through research, I have a further understanding and discovery of Methyl 3-phenyl-2-propenoate.

A series of cinnamic monomers, which can be derived from naturally occurring phenylpropanoids, were radically copolymerized with vinyl monomers such as methyl acrylate (MA) and styrene (St). Although the monomer reactivity ratios were close to zero for all the cinnamic monomers, such as methyl cinnamate (CAMe), cinnamic acid (CA), N-isopropyl cinnamide (CNIPAm), cinnamaldehyde (CAld), and cinnamonitrile (CN), they were incorporated into the copolymers and significantly increased the glass transition temperatures despite the relatively low incorporation rates of up to 40 mol % due to their rigid 1,2-disubstituted structures. The regioselectivity of the radical copolymerization of CAMe was evaluated on the basis of the results of ruthenium-catalyzed atom transfer radical additions as model reactions. The obtained products suggest that the radicals of MA and St predominantly attack the vinyl carbon of the carbonyl side of CAMe and that the propagation of CAMe mainly occurs via the styrenic radical. The ruthenium-catalyzed living radical polymerization, nitroxide-mediated polymerization (NMP), and reversible addition-fragmentation chain transfer (RAFT) polymerization provided the copolymers with controlled molecular weights, narrow molecular weight distributions, and controlled comonomer compositions. The copolymers of N-isopropylacrylamide (NIPAM) and CNIPAm prepared via RAFT copolymerization showed thermoresponsivity with a lower critical solution temperature (LCST) that could be tuned by altering the comonomer incorporation and a higher LCST than the copolymers of NIPAM and St, which possessed similar molecular weights and similar NIPAM contents, due to the additional N-isopropylamide groups in the CNIPAm units compared to the St units.

Welcome to talk about 103-26-4, If you have any questions, you can contact Terao, Y; Satoh, K; Kamigaito, M or send Email.. COA of Formula: C10H10O2

Reference:
Article; Weng, Shiue-Shien; Ke, Chih-Shueh; Chen, Fong-Kuang; Lyu, You-Fu; Lin, Guan-Ying; Tetrahedron; vol. 67; 9; (2011); p. 1640 – 1648;,
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics