Month: December 2021

Fang, ZJ; Li, YY; Xie, HX in [Fang, Zhijun; Li, Yuyao; Xie, Hexin] East China Univ Sci & Technol, Sch Pharm, Shanghai Key Lab New Drug Design, State Key Lab Bioreactor Engn, Shanghai 200237, Peoples R China published A 4-OTBS benzyl-based protective group for carboxylic acids in 2019.0, Cited 34.0. Formula: C7H5NO4. The Name is 4-Nitrobenzoic acid. Through research, I have a further understanding and discovery of 62-23-7.

Reported herein is a novel 4-OTBS benzyl-based protective group for carboxylic acids. This protective group can be removed in the presence of TBAF or TFA with high efficiency, which makes it compatible with base-sensitive or acid-sensitive substrates. With this protective group, a near-infrared fluorogenic probe for the detection of gamma-glutamyltranspeptidase activities was readily prepared. (C) 2019 Elsevier Ltd. All rights reserved.

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Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem

An article Ipso-nitration of carboxylic acids using a mixture of nitronium tetrafluoroborate, base and 1-hexyl-3,4,5-trimethyl-1H-imidazolium tetrafluoroborate WOS:000474499200008 published article about PHOSPHONIUM IONIC LIQUIDS; AROMATIC-COMPOUNDS; SOLVOLYTIC BEHAVIOR; SELECTIVE NITRATION; ARYLBORONIC ACIDS; HIGHLY EFFICIENT; SULFONIC-ACID; METAL; CHEMISTRY; CATALYST in [Natarajan, Palani] Panjab Univ, Dept Chem, Chandigarh 160014, India; Panjab Univ, Ctr Adv Studies Chem, Chandigarh 160014, India in 2019.0, Cited 83.0. The Name is 4-Nitrobenzoic acid. Through research, I have a further understanding and discovery of 62-23-7. Safety of 4-Nitrobenzoic acid

An eco-friendly and a simple ipso-nitration protocol for a series of aliphatic and (hetero)aromatic carboxylic acids using nitronium tetrafluoroborate, 1-hexyl-3,4,5-trimethyl-1H-imidazolium tetrafluoroborate and base is reported. While contrasted with recently known decarboxylative ipso-nitration strategies for the preparation of nitro compounds, this protocol does not require a toxic metal catalyst and harmful volatile organic solvents. Moreover, this method is perfect for a broad range of functional groups and affords exclusively the ipso-nitrated product in moderate to good yields. (C) 2019 Elsevier Ltd. All rights reserved.

Safety of 4-Nitrobenzoic acid. Welcome to talk about 62-23-7, If you have any questions, you can contact Natarajan, P; Chaudhary, R; Venugopalan, P or send Email.

Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem

An article A novel magnetic heterogeneous catalyst based on decoration of halloysite with ionic liquid-containing dendrimer WOS:000455692700020 published article about CARBOXYLIC-ACIDS; BETA-CYCLODEXTRIN; CLAY NANOTUBES; SILVER NANOPARTICLES; SELECTIVE OXIDATION; GOLD NANOPARTICLES; EFFICIENT CATALYST; GREEN SYNTHESIS; ALDEHYDES; IMMOBILIZATION in [Sadjadi, Samahe] Iran Polymer & Petrochem Inst, Fac Petrochem, Gas Convers Dept, POB 14975-112, Tehran, Iran; [Malmir, Masoumeh; Heravi, Majid M.] Alzahra Univ, Sch Sci, Dept Chem, POB 1993891176, Tehran, Iran in 2019, Cited 75. The Name is 4-Nitrobenzoic acid. Through research, I have a further understanding and discovery of 62-23-7. Name: 4-Nitrobenzoic acid

A magnetic catalyst is synthesized through growth of dendrimer of generation 3 (G3) on the surface of halloysite (Hal) nanotubes followed by decoration of dendrimer terminal groups with ionic liquid (IL) and incorporation of Fe species. The structure of the catalyst was confirmed by using several characterization techniques. Moreover, the catalytic activity of the catalyst for oxidation of benzaldehydes to the corresponding benzoic acids in the presence of hydrogen peroxide was investigated. Notably, to improve the yield of the reaction, beta-cyclodextrin (beta-CD) was employed as phase transfer agent. The contribution of dendrimer and IL to the catalysis was confirmed by comparing the catalytic activity of the catalyst with that of control the catalysts (the catalyst without IL, Fe species and dendrimer). Furthermore, the effect of dendrimer generation was elucidated by comparing the catalytic activities of the catalysts prepared by growth of dendrimers of G1, G2 and G3 on Hal. Studying the recyclability of the catalyst, it was found that the catalyst could be recovered and recycled for several reaction times with slight loss of leaching of Fe species.

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Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem

Authors Naef, R in MDPI published article about STANDARD MOLAR ENTHALPY; STRUCTURE-PROPERTY RELATIONSHIPS; THERMODYNAMIC PROPERTIES; IONIC LIQUIDS; THERMOPHYSICAL PROPERTIES; TEMPERATURE-RANGE; GROUP ADDITIVITY; VAPOR-PRESSURES; THERMAL-ANALYSIS; COMPUTATIONAL THERMOCHEMISTRY in [Naef, Rudolf] Univ Basel, Dept Chem, CH-4003 Basel, Switzerland in 2019, Cited 287. Recommanded Product: 4-Nitrobenzoic acid. The Name is 4-Nitrobenzoic acid. Through research, I have a further understanding and discovery of 62-23-7

A universally applicable method for the prediction of the isobaric heat capacities of the liquid and solid phase of molecules at 298.15 K is presented, derived from their true volume. The molecules’ true volume in A(3) is calculated on the basis of their geometry-optimized structure and the Van-der-Waals radii of their constituting atoms by means of a fast numerical algorithm. Good linear correlations of the true volume of a large number of compounds encompassing all classes and sizes with their experimental liquid and solid heat capacities over a large range have been found, although noticeably distorted by intermolecular hydrogen-bond effects. To account for these effects, the total amount of 1303 compounds with known experimental liquid heat capacities has been subdivided into three subsets consisting of 1102 hydroxy-group-free compounds, 164 monoalcohols/monoacids, and 36 polyalcohols/polyacids. The standard deviations for Cp(liq,298) were 20.7 J/mol/K for the OH-free compunds, 22.91 J/mol/K for the monoalcohols/monoacids and 16.03 J/mol/K for the polyols/polyacids. Analogously, 797 compounds with known solid heat capacities have been separated into a subset of 555 OH-free compounds, 123 monoalcohols/monoacids and 119 polyols/polyacids. The standard deviations for Cp(sol,298) were calculated to 23.14 J/mol/K for the first, 21.62 J/mol/K for the second, and 19.75 J/mol/K for the last subset. A discussion of structural and intermolecular effects influencing the heat capacities as well as of some special classes, in particular hydrocarbons, ionic liquids, siloxanes and metallocenes, has been given. In addition, the present method has successfully been extended to enable the prediction of the temperature dependence of the solid and liquid heat capacities in the range between 250 and 350 K.

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Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem

In 2020.0 ORG LETT published article about PICTET-SPENGLER REACTIONS; SP(3) C-H; INDOLE SYNTHESIS; IODINE(III) REAGENTS; AMINATION; EFFICIENT; FUNCTIONALIZATION; BONDS; TETRAHYDROISOQUINOLINES; ALKYLATION in [Choi, Subin; Oh, Hyeonji; Sim, Jeongwoo; Yu, Eunsoo; Park, Cheol-Min] UNIST Ulsan Natl Inst Sci & Technol, Dept Chem, Ulsan 44919, South Korea; [Shin, Seunghoon] Hanyang Univ, Dept Chem, Seoul 04763, South Korea in 2020.0, Cited 73.0. The Name is 4-Nitrobenzoic acid. Through research, I have a further understanding and discovery of 62-23-7. Category: phthalazines

The synthesis of versatile scaffold indolopyrans based on C-C radical-radical cross-coupling under metal-free conditions is described. The reaction involving single electron transfer between coupling partners followed by cage collapse allows highly selective cross-coupling while employing only equimolar amounts of coupling partners. Moreover, the mechanistic manifold was expanded for the functionalization of enamines to give the stereoselective synthesis of 2,3-dihydrofurans. This iodine-mediated oxidative coupling features mild conditions and fast reaction kinetics.

Welcome to talk about 62-23-7, If you have any questions, you can contact Choi, S; Oh, H; Sim, J; Yu, E; Shin, S; Park, CM or send Email.. Category: phthalazines

Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem

An article Heterogeneous Suzuki-Miyaura coupling of heteroaryl ester via chemoselective C(acyl)-O bond activation WOS:000471912700036 published article about CATALYZED C-O; ARYL ESTERS; NICKEL; AZOLES; SILYLATION; AMINATION; CLEAVAGE; KETONES; AMIDE in [Ma, Hongpeng; Bai, Chaolumen; Bao, Yong-Sheng] Inner Mongolia Normal Univ, Coll Chem & Environm Sci, Inner Mongolia Key Lab Green Catalysis, Hohhot 010022, Peoples R China in 2019, Cited 47. Recommanded Product: 4-Nitrobenzoic acid. The Name is 4-Nitrobenzoic acid. Through research, I have a further understanding and discovery of 62-23-7

A site-selective supported palladium nanoparticle catalyzed Suzuki-Miyaura cross-coupling reaction with heteroaryl esters and arylboronic acids as coupling partners was developed. This methodology provides a heterogeneous catalytic route for aryl ketone formation via C(acyl)-O bond activation of esters by successful suppression of the undesired decarbonylation phenomenon. The catalyst can be reused and shows high activity after eight cycles. The XPS analysis of the catalyst before and after the reaction suggested that the reaction might be performed via a Pd-0/Pd-II catalytic cycle that began with Pd-0.

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Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem

An article Palladium supported on a novel ordered mesoporous polypyrrole/carbon nanocomposite as a powerful heterogeneous catalyst for the aerobic oxidation of alcohols to carboxylic acids and ketones on water WOS:000530352000033 published article about HIGHLY SELECTIVE OXIDATION; PLATINUM CATALYST; MOLECULAR-OXYGEN; ALLYLIC ALCOHOLS; PORE STRUCTURE; POROUS CARBON; ALDEHYDES; EFFICIENT; NANOPARTICLES; SURFACE in [Ganji, Nasim; Karimi, Babak; Najafvand-Derikvandi, Sepideh] Inst Adv Studies Basic Sci IASBS, Dept Chem, POB 45195-1159, Gava Zang 451376731, Zanjan, Iran; [Karimi, Babak] Inst Adv Studies Basic Sci IASBS, Res Ctr Basic Sci & Modern Technol RBST, Zanjan 4513766731, Iran; [Vali, Hojatollah] McGill Univ, Dept Anat & Cell Biol, Montreal, PQ H3A 2A7, Canada; [Vali, Hojatollah] McGill Univ, Facil Electron Microscopy Res, Montreal, PQ H3A 2A7, Canada in 2020, Cited 86. Recommanded Product: 4-Nitrobenzoic acid. The Name is 4-Nitrobenzoic acid. Through research, I have a further understanding and discovery of 62-23-7

Preparation of an ordered mesoporous polypyrrole/carbon (PPy/OMC) composite has been described through a two-step nanocasting process using KIT-6 as a template. Characterization of the PPy/OMC nanocomposite by various analysis methods such as TEM, XRD, TGA, SEM and N-2 sorption confirmed the preparation of a material with ordered mesoporous structure, uniform pore size distribution, high surface area and high stability. This nanocomposite was then used for the immobilization of palladium nanoparticles. The nanoparticles were almost uniformly distributed on the support with a narrow particle size of 20-25 nm, confirmed by various analysis methods. Performance of the Pd@PPy/OMC catalyst was evaluated in the aerobic oxidation of various primary and secondary alcohols on water as a green solvent, giving the corresponding carboxylic acids and ketones in high yields and excellent selectivity. The catalyst could also be reused for at least 10 reaction runs without losing its catalytic activity and selectivity. High catalytic efficiency of the catalyst can be attributed to a strong synergism between the PPy/OMC and that of supported Pd nanoparticles.

Welcome to talk about 62-23-7, If you have any questions, you can contact Ganji, N; Karimi, B; Najafvand-Derikvandi, S; Vali, H or send Email.. Recommanded Product: 4-Nitrobenzoic acid

Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem

An article Kinetic Analysis as an Optimization Tool for Catalytic Esterification with a Moisture-Tolerant Zirconium Complex WOS:000538764000013 published article about DIRECT ESTER CONDENSATION; LEWIS-ACID CATALYSTS; CARBOXYLIC-ACIDS; HOMOGENEOUS CATALYSIS; EFFICIENT CATALYSTS; ORGANIC-REACTIONS; MUKAIYAMA ALDOL; ALCOHOLS; WATER; HAFNIUM(IV) in [Villo, Piret; Dalla-Santa, Oscar; Szabo, Zoltan; Lundberg, Helena] KTH Royal Inst Technol, Sch Engn Sci Chem Biotechnol & Hlth, S-10044 Stockholm, Sweden in 2020, Cited 77. The Name is 4-Nitrobenzoic acid. Through research, I have a further understanding and discovery of 62-23-7. SDS of cas: 62-23-7

This work describes the use of kinetics as a tool for rational optimization of an esterification process with down to equimolar ratios of reagents using a recyclable commercially available zirconocene complex in catalytic amounts. In contrast to previously reported group IV metal-catalyzed esterification protocols, the work presented herein circumvents the use of water scavengers and perfluorooctane sulfonate (PFOS) ligands. Insights into the operating mechanism are presented.

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Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem

Alavinia, S; Ghorbani-Vaghei, R; Rakhtshah, J; Seyf, JY; Arabian, IA in [Alavinia, Sedigheh; Ghorbani-Vaghei, Ramin; Arabian, Iman Ali] Bu Ali Sina Univ, Fac Chem, Dept Organ Chem, Hamadan 65174, Hamadan, Iran; [Rakhtshah, Jamshid] Univ Tabriz, Fac Chem, Dept Inorgan Chem, Tabriz, Iran; [Seyf, Jaber Yousefi] Univ Technol, Dept Chem Engn, Hamadan, Hamadan, Iran published Copper iodide nanoparticles-decorated porous polysulfonamide gel: As effective catalyst for decarboxylative synthesis of N-Arylsulfonamides in 2020, Cited 58. SDS of cas: 62-23-7. The Name is 4-Nitrobenzoic acid. Through research, I have a further understanding and discovery of 62-23-7.

A porous cross-linked poly (ethyleneamine)-polysulfonamide (PEA-PSA) as a novel organic support system is synthesized in the presence of silica template by nanocasting technique. The paper demonstrates immobilization of CuI nanoparticles inside the pores (PEA-PSA@CuI) for the facile recovery and recycling of these nanoparticles. The presence of porous PEA-PSA and PEA-PSA@CuI nanocomposites was confirmed using FT-IR spectroscopy, FE-SEM, EDX, TGA, XRD, TEM, BET, XPS, WDX, H-1 NMR, and ICP-OES techniques. The PEA-PSA@CuI along with Ag(I)/K2S2O8 was implemented as a reusable cooperative catalyst-oxidant system in the N-arylation of p-toluenesulfonamide with substituted carboxylic acids in mild condition. So, the novel decarboxylative cross-coupling catalyzed by copper and silver has been developed. Aromatic, secondary and tertiary aliphatic acids underwent high efficient decarboxylative processes with p-toluenesulfonamide to afford the corresponding products. This method provides a practical approach for the flexible synthesis of sulfonamides from the readily affordable substrates. The catalyst is highly reusable and efficient, especially in terms of time and yield of the desired product.

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Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem

Recently I am researching about SM PROTEINS; PRMT5; METHYLATION; GROWTH; IDENTIFICATION; COMPLEX; PICLN, Saw an article supported by the Ministry of Science and Technology of ChinaMinistry of Science and Technology, China [2015CB910304]; National Science and Technology Major Project [2018ZX09711002-004-013]; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [81625022, 91853205, 81430084, 81803438]; Shandong Provincial Natural Science FoundationNatural Science Foundation of Shandong Province [ZR2017BH038]; K.C. Wong Education Foundation [XDA12020353]; Chinese Academy of SciencesChinese Academy of Sciences [XDA12020353]; Science and Technology Commission of Shanghai MunicipalityScience & Technology Commission of Shanghai Municipality (STCSM) [18431907100]. Product Details of 62-23-7. Published in ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER in ISSY-LES-MOULINEAUX ,Authors: Shao, JW; Zhu, KK; Du, DH; Zhang, YY; Tao, HR; Chen, ZF; Jiang, HL; Chen, KX; Luo, C; Duan, WH. The CAS is 62-23-7. Through research, I have a further understanding and discovery of 4-Nitrobenzoic acid

Protein arginine methyltransferases 5 (PRMT5) represents an attractive drug target in epigenetic field for the treatment of leukemia and lymphoma. Here, a series of N-(3-(3,4-dihydroisoquinolin-2(1H)-yl)-2-hydroxypropyl)amide derivatives targeting PRMT5 were designed with structure-based approach and synthesized. Among them, compound 46 showed potent and selective PRMT5 inhibition activity with an IC50 of 8.5 nM, which was approximately equivalent with the phase 1 clinical trial PRMT5 inhibitor GSK-3326595 (IC50 = 5.5 nM). Compound 46 also displayed pronounced anti-proliferative activity in MV4-11 cells (GI(50) =18 nM) and antitumor activity in MV4-11 mouse xenografts model. This molecule can serve as an excellent tool compound for probing the biological function of PRMT5. (C) 2018 Published by Elsevier Masson SAS.

Product Details of 62-23-7. Welcome to talk about 62-23-7, If you have any questions, you can contact Shao, JW; Zhu, KK; Du, DH; Zhang, YY; Tao, HR; Chen, ZF; Jiang, HL; Chen, KX; Luo, C; Duan, WH or send Email.

Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem