Month: October 2021

HPLC of Formula: C10H11NO4. Recently I am researching about ACID; CATALYSIS; MOFS, Saw an article supported by the Foundation for Science and Technology (FCT), PortugalPortuguese Foundation for Science and Technology [UID/QUI/00100/2019]; Instituto Superior Tecnico; FCTPortuguese Foundation for Science and TechnologyEuropean Commission [IST-ID/107/2018, IST-ID/197/2019, 57/2016]. Published in FRONTIERS MEDIA SA in LAUSANNE ,Authors: Karmakar, A; Paul, A; Rubio, GMDM; Soliman, MMA; Fatima, M; da Silva, CG; Pombeiro, AJL. The CAS is 99-27-4. Through research, I have a further understanding and discovery of Dimethyl 5-aminoisophthalate

A pyridine-based amide functionalized tetracarboxylic acid, 5,5 ‘-(pyridine-2, 6-dicarbonyl)bis(azanediyl)}diisophthalic acid (H4L), was synthesized and its coordination chemistry toward zinc(II) and cadmium(II) ions was studied. The reactions of H4L with Zn(NO3)(2).6H(2)O and Cd(NO3)(2).4H(2)O led to its full or partial deprotonation, respectively, and the formation of the 2D coordination polymers [Zn-2(L)(H2O)(4)](n).4n(H2O) (1) and [Cd-3(HL)(2)(DMF)(4)](n).4n(DMF) (2) (DMF = N,N’-dimethylformamide), respectively. They were characterized by elemental analysis, FT-IR, photoluminescence, thermogravimetry, and single-crystal and powder X-ray diffraction. In 1, the L4- ligand is planar with every carboxylate anion binding a Zn(II) cation and giving rise to a 2D grid with the metals with tetrahedral environments. In 2, the combination of bridging HL3- and dimethylformamide to form trinuclear Cd(II) clusters engenders secondary building block units and generates a layer-type 2D network with the metals with octahedral and pentagonal bipyramid coordination geometries. The topological analyses of 1 and 2 reveal 2,4-connected and 3,6-connected binodal nets, respectively. On account of the presence of Lewis acid (Zn or Cd centers) as well as basic (uncoordinated pyridine and amide groups) sites, 1 and (to a much lower extent) 2 effectively catalyze the one-pot cascade deacetalization-Knoevenagel condensation reactions under quite mild conditions. They act as heterogeneous catalysts, being easy to recover and recycle without losing activity.

About Dimethyl 5-aminoisophthalate, If you have any questions, you can contact Karmakar, A; Paul, A; Rubio, GMDM; Soliman, MMA; Fatima, M; da Silva, CG; Pombeiro, AJL or concate me.. HPLC of Formula: C10H11NO4

Reference:
Patent; ASTRA ZENECA AB; NPS PHARMACEUTICALS, INC.; WO2004/14881; (2004); A2;,
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

COA of Formula: C10H12O2. I found the field of Chemistry very interesting. Saw the article Rh-Catalyzed Direct Carboxylation of Alkenyl C-H Bonds of Alkenylpyrazoles published in 2020.0, Reprint Addresses Iwasawa, N (corresponding author), Tokyo Inst Technol, Dept Chem, Meguro Ku, 2-12-1 O Okayama, Tokyo 1528551, Japan.. The CAS is 103-25-3. Through research, I have a further understanding and discovery of Methyl 3-phenylpropionate.

The Rh-catalyzed direct carboxylation of alkenyl C-H bonds was achieved by using pyrazole as a removable directing group. In the presence of 5 mol% RhCl3 . 3H(2)O, 6 mol% P(Mes)(3), and 2 equiv. of AlMe2(OMe), the alkenyl C-H bond of various alkenylpyrazoles was directly carboxylated in good yields under CO2 atmosphere. Furthermore, several useful transformations of the pyrazole moiety of the product were achieved to afford synthetically useful carboxylic acid derivatives in good yields.

COA of Formula: C10H12O2. About Methyl 3-phenylpropionate, If you have any questions, you can contact Saitou, T; Jin, YH; Isobe, K; Suga, T; Takaya, J; Iwasawa, N or concate me.

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

An article Investigation of Lactones as Innovative Bio-Sourced Phase Change Materials for Latent Heat Storage WOS:000464951700020 published article about THERMAL-ENERGY STORAGE; ACID in [Ravotti, Rebecca; Fellmann, Oliver; Lardon, Nicolas; Fischer, Ludger J.; Stamatiou, Anastasia; Worlitschek, Joerg] Lucerne Univ Appl Sci & Arts, Competence Ctr Thermal Energy Storage TES, CH-6048 Horw, Switzerland; [Lardon, Nicolas] Max Planck Inst Med Res, D-69120 Heidelberg, Germany in 2019.0, Cited 25.0. Quality Control of 6H-Benzo[c]chromen-6-one. The Name is 6H-Benzo[c]chromen-6-one. Through research, I have a further understanding and discovery of 2005-10-9

In the presented work, five bio-based and bio-degradable cyclic esters, i.e. lactones, have been investigated as possible phase change materials for applications in latent heat storage systems. Commercial natural lactones such as epsilon-caprolactone and gamma-valerolactone were easily purchased through chemical suppliers, while 1,2-campholide, oxa-adamantanone and dibenzochromen-6-one were synthesized through Baeyer-Villiger oxidation. The compounds were characterized with respect to attenuated total reflectance spectroscopy and gas chromatography coupled with mass spectroscopy, in order to confirm their chemical structures and identity. Subsequently, thermogravimetric analysis and differential scanning calorimetry were used to measure the phase change temperatures, enthalpies of fusion, degradation temperatures, as well to estimate the degree of supercooling. The lactones showed a wide range of phase change temperatures from -40 degrees C to 290 degrees C, making them a high interest for both low and high temperature latent heat storage applications, given the lack of organic phase change materials covering phase change temperature ranges below 0 degrees C and above 80 degrees C. However, low enthalpies of fusion, high degrees of supercooling and thermal degradations at low temperatures were registered for all samples, rendering them unsuitable as phase change materials.

Quality Control of 6H-Benzo[c]chromen-6-one. About 6H-Benzo[c]chromen-6-one, If you have any questions, you can contact Ravotti, R; Fellmann, O; Lardon, N; Fischer, LJ; Stamatiou, A; Worlitschek, J or concate me.

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 N-Heterocyclic carbene-catalyzed beta-addition of enals to 3-alkylenyloxindoles: synthesis of oxindoles with all-carbon quaternary stereocenters WOS:000474306200015 published article about ORGANOCATALYTIC MICHAEL ADDITION; 4 CONTIGUOUS STEREOCENTERS; ASYMMETRIC-SYNTHESIS; ISATYLIDENE-3-ACETALDEHYDES APPLICATION; 1,6-MICHAEL ADDITION; GAMMA-BUTYROLACTONES; CONSTRUCTION; BEARING; ACCESS; 3-METHYL-4-NITRO-5-ALKENYL-ISOXAZOLES in [Zhang, Chun-Lin; Han, You-Feng; Ye, Song] 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; [Han, You-Feng; Ye, Song] Univ Chinese Acad Sci, Beijing 100049, Peoples R China in 2019.0, Cited 64.0. COA of Formula: C10H12O2. The Name is Methyl 3-phenylpropionate. Through research, I have a further understanding and discovery of 103-25-3

The N-heterocyclic carbene-catalyzed beta-addition of enals to 3-alkylenyloxindoles was developed. All of the beta-aryl, beta-alkenyl and beta-alkyl enals worked well for the reaction to give the corresponding 3,3-disubstituted oxindoles bearing contiguous all-carbon quaternary and tertiary stereocenters in good yields with moderate to high diastereoselectivities and excellent enantioselectivities.

COA of Formula: C10H12O2. About Methyl 3-phenylpropionate, If you have any questions, you can contact Zhang, CL; Han, YF; Ye, S or concate me.

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

Product Details of 99-27-4. I found the field of Chemistry very interesting. Saw the article A Highly Stable Triazole-Functionalized Metal-Organic Framework Integrated with Exposed Metal Sites for Selective CO2 Capture and Conversion published in 2020, Reprint Addresses Mandal, SK (corresponding author), Indian Inst Sci Educ & Res Mohali, Dept Chem Sci, Sect 81,Manauli PO, Mohali 140306, Punjab, India.. The CAS is 99-27-4. Through research, I have a further understanding and discovery of Dimethyl 5-aminoisophthalate.

A new triazole-functionalized tetracarboxylic acid ligand (H4L) has been synthesized and utilized for the fabrication of a 3D Zn-II organic framework with a Zn-4(-COO)(6) cluster as the secondary building unit. The framework exhibits very good thermal stability and consists of dual functionalities of exposed Lewis acidic metal sites and accessible nitrogen-donor Lewis basic sites. The Lewis basic nitrogen sites in the framework serve as CO2 binding sites for highly selective CO2 capture and the presence of exposed Lewis acidic metal sites in the framework make it an efficient heterogeneous catalyst for the chemical fixation of CO2 into value-added cyclic carbonates under ambient conditions.

Product Details of 99-27-4. About Dimethyl 5-aminoisophthalate, If you have any questions, you can contact Gupta, V; Mandal, SK or concate me.

Reference:
Patent; ASTRA ZENECA AB; NPS PHARMACEUTICALS, INC.; WO2004/14881; (2004); A2;,
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

An article Changes in structure and flavor of egg yolk gel induced by lipid migration under heating WOS:000484658800006 published article about CHEMICAL-COMPOSITION; PHYSICAL-PROPERTIES; DUCK EGG; BIO-OIL; MICROSTRUCTURE; MEAT; SPECTROSCOPY; TEMPERATURE; EXTRACTION; VOLATILES in [Xiang, Xiao-le; Liu, Yuan-yuan; Liu, Yang; Wang, Xiao-yun; Jin, Yong-guo] Huazhong Agr Univ, Coll Food Sci & Technol, Natl Res & Dev Ctr Egg Proc, Wuhan, Hubei, Peoples R China in 2020, Cited 39. The Name is Dimethyl 5-aminoisophthalate. Through research, I have a further understanding and discovery of 99-27-4. Computed Properties of C10H11NO4

Lipid migration is widespread in food system and has an important effect on food quality. It is urgent to explore the lipid migration in egg yolk after heating. The content of lipids in upper part (HL) was higher than that in bottom part (LL), and the lipids migration in yolk gel under heating were confirmed by MRI (T1) and T2 relaxation time of LF-NMR. Subsequently, the XDR result demonstrated the high lipid content induced the decrease in crystallinity of protein in HL part. The structures of HL part trend to be more ordered, stable (beta-sheet & beta-turns) and flat (alpha-helices) than LL part, also, more water distributed in LL part were observed by FTIR spectrum. The SEM results revealed that lipids migrated from LL to HL part, eventually lead to the protein in HL part of heated yolk gel unfold, the globular structure collapsed and become flatter. Morever, ethyl acetate, hexanal, etc. and hexanal, ethyl acetate, dimethyl-silanediol, etc. were identified as the main VOCs of LL and HL part of heated yolk gel, respectively. Lipid migration result in more lipid-specific volatiles were formed in the HL part, such as hexanal, 3-hydroxy-cyclohexanone, 2-pentyl-furan, D-limonene, 2-ethyl-1-hexanol, benzeneacetaldehyde. Lipid migration in heated yolk gel, caused by heat treatment, resulted in the changes of structure and flavor between HL and LL part.

About Dimethyl 5-aminoisophthalate, If you have any questions, you can contact Xiang, XL; Liu, YY; Liu, Y; Wang, XY; Jin, YG or concate me.. Computed Properties of C10H11NO4

Reference:
Patent; ASTRA ZENECA AB; NPS PHARMACEUTICALS, INC.; WO2004/14881; (2004); A2;,
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

An article Oxidative Kinetic Resolution of Cyclic Benzylic Ethers WOS:000585986100001 published article about C-H BONDS; RACEMIC SECONDARY ALCOHOLS; HYDROGEN-PEROXIDE; ASYMMETRIC EPOXIDATION; OXOCARBENIUM IONS; AEROBIC OXIDATION; HYDROXYLATION; MECHANISM; COMPLEX; DESYMMETRIZATION in [Sun, Shutao; Ma, Yingang; Liu, Ziqiang; Liu, Lei] Shandong Univ, Sch Pharmaceut Sci, Jinan 250100, Peoples R China; [Sun, Shutao; Liu, Lei] Shandong Univ, Sch Chem & Chem Engn, Jinan 250100, Peoples R China in 2021.0, Cited 69.0. The Name is 6H-Benzo[c]chromen-6-one. Through research, I have a further understanding and discovery of 2005-10-9. Name: 6H-Benzo[c]chromen-6-one

A manganese-catalyzed oxidative kinetic resolution of cyclic benzylic ethers through asymmetric C(sp(3))-H oxidation is reported. The practical approach is applicable to a wide range of 1,3-dihydroisobenzofurans bearing diverse functional groups and substituent patterns at the alpha position with extremely efficient enantiodiscrimination. The generality of the strategy was further demonstrated by efficient oxidative kinetic resolution of another type of five-membered cyclic benzylic ether, 2,3-dihydrobenzofurans, and six-membered 6H-benzo[c]chromenes. Direct late-stage oxidative kinetic resolution of bioactive molecules that are otherwise difficult to access was further explored.

Name: 6H-Benzo[c]chromen-6-one. About 6H-Benzo[c]chromen-6-one, If you have any questions, you can contact Sun, ST; Ma, YG; Liu, ZQ; Liu, L or concate me.

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

Application In Synthesis of Dimethyl 5-aminoisophthalate. I found the field of Chemistry very interesting. Saw the article URJC-1-MOF as New Heterogeneous Recyclable Catalyst for C-Heteroatom Coupling Reactions published in 2019, Reprint Addresses Calleja, G (corresponding author), Rey Juan Carlos Univ, Dept Chem Energy & Mech Technol, C Tulipan S-N, Mostoles 28933, Spain.. The CAS is 99-27-4. Through research, I have a further understanding and discovery of Dimethyl 5-aminoisophthalate.

Guillermo Calleja and co-workers from @urjc describe URJC-1-MOF as a new heterogeneous recyclable catalyst for c-heteroatom coupling reactions The capacity of copper-based URJC-1-MOF as a MOF catalyst in cross-coupling reactions has been evaluated, focusing on the Chan-Lam-Evans arylation-type reactions on amines and alcohols without extra additives or ligands. The extraordinary chemical and structural stability of URJC-1-MOF and its good specific surface, make this material a promising alternative to homogeneous Cu (II) catalysts for cross-coupling reactions. URJC-1-MOF showed a remarkable catalytic activity for cross-coupling C-N and C-O reactions, higher than other heterogeneous and homogeneous copper-based catalyst, such as CuO, HKUST-1, Cu-MOF-74, Cu(OAc)(2) and CuSO4.5H(2)O. Moreover, its easy recovery by simple filtration and reusability in successive runs without any loss of activity and stability, demonstrates the potential of URJC-1-MOF as an alternative catalyst for this kind of reactions in different chemical media of industrial interest.

Application In Synthesis of Dimethyl 5-aminoisophthalate. About Dimethyl 5-aminoisophthalate, If you have any questions, you can contact Munoz, A; Leo, P; Orcajo, G; Martinez, F; Calleja, G or concate me.

Reference:
Patent; ASTRA ZENECA AB; NPS PHARMACEUTICALS, INC.; WO2004/14881; (2004); A2;,
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

An article Visible light mediated oxidative lactonization of 2-methyl-1,1 ‘-biaryls for the synthesis of benzocoumarins WOS:000465953500008 published article about 9-MESITYL-10-METHYLACRIDINIUM ION; OXYGENATION; CYCLIZATION; ACID; DIBENZOPYRANONES; BENZOPYRANONES; INSERTION; DRIVEN in [Luo, Zhi; Gao, Zhong-Hua; Song, Zhi-Yong; Han, You-Feng; Ye, Song] Chinese Acad Sci, Beijing Natl Lab Mol Sci, Inst Chem, CAS Key Lab Mol Recognit & Funct, Beijing 100190, Peoples R China; [Luo, Zhi; Gao, Zhong-Hua; Song, Zhi-Yong; Han, You-Feng; Ye, Song] Univ Chinese Acad Sci, Beijing 100049, Peoples R China in 2019.0, Cited 41.0. Quality Control of 6H-Benzo[c]chromen-6-one. The Name is 6H-Benzo[c]chromen-6-one. Through research, I have a further understanding and discovery of 2005-10-9

A visible light mediated oxidative lactonization of 2-methyl-1,1′-biaryls was developed, giving benzocoumarins in good yields. The reaction features multiple C-H functionalization processes with oxygen as the final oxidant. The corresponding 2-aldehdyes, alcohols and carboxylic acids of the 1,1′-biaryls also worked well for the reaction.

About 6H-Benzo[c]chromen-6-one, If you have any questions, you can contact Luo, Z; Gao, ZH; Song, ZY; Han, YF; Ye, S or concate me.. Quality Control of 6H-Benzo[c]chromen-6-one

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

In 2019.0 RSC ADV published article about NATURAL-PRODUCTS; INVASION in [Li, Xiaojing; Wang, Na; Wang, Shuai; Wang, Hongmin] Liaocheng Univ, Sch Pharm, Lab Drug Discover & Design, Liaocheng 252000, Shandong, Peoples R China; [Li, Xiaojing] Shandong Univ, Sch Pharm, Minist Educ, Dept Med Chem,Key Lab Chem Biol, Jinan 250012, Shandong, Peoples R China; [Liu, Yihua; Ren, Shaoda] Liaocheng Peoples Hosp, Cent Lab, Liaocheng 252000, Shandong, Peoples R China; [Liu, Yuyu] Shandong Qidu Pharmaceut Co Ltd, Zibo 255400, Peoples R China; [Lie, Aihua] Liaocheng Peoples Hosp, Dept Obstet & Gynecol, Liaocheng 252000, Shandong, Peoples R China in 2019.0, Cited 23.0. The Name is Methyl 3-phenylpropionate. Through research, I have a further understanding and discovery of 103-25-3. Computed Properties of C10H12O2

Despite advances in ovarian cancer treatment, the five-year overall survival rate is less than 30% with the presence of cancer stem cells (CSCs). To develop CSC-targeting therapy, a series of 18 beta-glycyrrhetinic acid (GA) derivatives containing cinnamamide moiety have been designed, synthesized, and screened for their antiproliferative activity in SKOV3 and OVCAR3 cells. Most of the compounds exhibited stronger antiproliferative activity than GA, and compound 7c was the most active one. Further biological studies showed that compound 7c could induce apoptosis and suppress migration. In addition, compound 7c could not only observably decrease the colony formation and sphere formation ability, but also significantly reduce the CD44(+), CD133(+), and ALDH(+) subpopulation in SKOV3 and OVCAR3 cells. In conclusion, these results indicate that compound 7c is a promising anti-CSC agent for further anti-ovarian cancer studies.

About Methyl 3-phenylpropionate, If you have any questions, you can contact Li, XJ; Liu, YH; Wang, N; Liu, YY; Wang, S; Wang, HM; Lie, AH; Ren, SD or concate me.. Computed Properties of C10H12O2

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