Discovery of 86-92-0

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Product Details of 86-92-0. Akbari, F; Didehban, K; Farhang, M in [Akbari, Falamarz] Eram Inst Higher Educ, Dept Chem, POB 71957-46733, Shiraz, Iran; [Didehban, Khadijeh; Farhang, Mona] Payame Noor Univ, Dept Chem, POB 19395-3697, Tehran, Iran published Solubility of solid intermediate of pharmaceutical compounds in pure organic solvents using semi-empirical models in 2020, Cited 35. The Name is 3-Methyl-1-p-tolyl-5-pyrazolone. Through research, I have a further understanding and discovery of 86-92-0.

A new semi-theoretical equation is suggested for correlation of solid-liquid solubility data with temperature. The (solid + liquid) equilibrium for Terephthaldialdehyde, 4-Nitro-o-phennylenediamine, 2,4-dihydro- 5-methyl-2(4-methylphenyl)-3H-pyrazol-3-one (also named 1-(p-toly1)-3-methyl-5pyrazolone (PTMP)), 2-Amino-5-methylthiazole and 5-chloro-1-methyl-4-nitroimidazole in 18 solvents is correlated with semi-empirical models at temperatures T = 273.15 – 318.15 K under a pressure of 101.2 kPa. Moreover, a modified Apelblat model, lambda h model, Wilson model, NRTL model, new flexible equation as Akbari, Dideban and Farhang model (ADF) and for first time the modified Scatchard-Hildebrand equation were utilized to calculate the experiment values. The performance of both ADF and modified Scatchard-Hildebrand equation have been checked by calculating the solubility data with the AARD% of 1.3808% (for 775 data points) and 0.65% (for 100 data points), respectively. The Wilson model is applied to estimate the mixing Gibbs energy, mixing enthalpy, mixing entropy, activity coefficient (ln gamma(infinity)(1)) and reduced excess enthalpy (H-I(E,infinity)) at infinitesimal concentration were calculated.

Product Details of 86-92-0. Bye, fridends, I hope you can learn more about C11H12N2O, If you have any questions, you can browse other blog as well. See you lster.

Reference:
Article; Zhang, Yong; Nie, Long-Jun; Luo, Liang; Mao, Jia-Xin; Liu, Jin-Xiang; Xu, Guo-Hai; Chen, Deliang; Luo, Hai-Qing; Tetrahedron; vol. 76; 7; (2020);,
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics

Discover the magic of the 3,5-Dimethyl-1H-pyrazole

Name: 3,5-Dimethyl-1H-pyrazole. Bye, fridends, I hope you can learn more about C5H8N2, If you have any questions, you can browse other blog as well. See you lster.

Name: 3,5-Dimethyl-1H-pyrazole. Authors Zhang, FL; Zhou, PC; Zhang, SL; Li, YY; Zhang, QF; Guo, WL; Huang, J; Wang, WY; Dong, Z; Wei, B; Wei, DH; Cao, GX; Zhai, B in ELSEVIER published article about in [Zhang, Fuli; Zhang, Shulin; Li, Yuanyang; Zhang, Quanfeng; Guo, Wenlong; Huang, Jing; Wang, Wenyu; Dong, Zhen; Cao, Guangxiu; Zhai, Bin] Shangqiu Normal Univ, Coll Chem & Chem Engn, Engn Tech Res Ctr Optoelect Funct Mat Henan Prov, Key Lab Biomol Recognit & Sensing Henan Prov, Shangqiu 476000, Peoples R China; [Zhou, Pengchao; Wei, Bin] Shanghai Univ, Sch Mechatron Engn & Automat, Key Lab Adv Display & Syst Applicat, Minist Educ, Shanghai 200072, Peoples R China; [Wei, Donghui] Zhengzhou Univ, Coll Chem & Mol Engn, Zhengzhou 450001, Peoples R China in 2021.0, Cited 66.0. The Name is 3,5-Dimethyl-1H-pyrazole. Through research, I have a further understanding and discovery of 67-51-6

In this work, we report three deep-blue emitting cationic iridium complexes Ir1-Ir3 with 2′,6′-difluoro-2,3′-bipyridine cyclometalated ligand and pyrazole-type ancillary ligands. Synthesis, crystal structure, photophysical and electrochemical properties of Ir1-Ir3 are studied in detail. Ir1-Ir3 exhibit efficient phosphorescence emissions at 439, 438 and 437 nm with CIE 1931 coordinates of (0.14, 0.12), (0.14, 0.12) and (0.14, 0.13), and luminescence quantum yields of 0.35, 0.27 and 0.50 in CH2Cl2 solutions, respectively, which are among the highest levels of ever reported cationic iridium(III) complexes emitting deep-blue light. High luminescence quantum yields, excellent color purity and short lifetimes demonstrates the great potential of Ir1-Ir3 for lightemitting electrochemical cells (LECs) and solution-processable organic light-emitting diodes (OLEDs) as efficient blue emitters.

Name: 3,5-Dimethyl-1H-pyrazole. Bye, fridends, I hope you can learn more about C5H8N2, If you have any questions, you can browse other blog as well. See you lster.

Reference:
Pyrazole – Wikipedia,
,Pyrazoles – an overview | ScienceDirect Topics

Our Top Choice Compound:3,5-Dimethyl-1H-pyrazole

Product Details of 67-51-6. Welcome to talk about 67-51-6, If you have any questions, you can contact Klein, M; Sundermeyer, J or send Email.

Product Details of 67-51-6. In 2021.0 ORGANOMETALLICS published article about PINCER LIGAND; MOLECULAR-STRUCTURE; COPPER(I) CHLORIDE; CARBENE COMPLEXES; CRYSTAL-STRUCTURE; PI-COMPLEXES; CHEMISTRY; HEXAPHENYLCARBODIPHOSPHORANE; METALS; HALIDE in [Klein, Marius; Sundermeyer, Joerg] Philipps Univ Marburg, Fachbereich Chem & Wissensch, Zentrum Mat, D-35043 Marburg, Germany in 2021.0, Cited 67.0. The Name is 3,5-Dimethyl-1H-pyrazole. Through research, I have a further understanding and discovery of 67-51-6.

The reaction of sym-bis(P-chlorodiphenyl)-carbodiphosphorane (1) with difunctional nucleophiles leads to carbodiphosphoranes carrying two additional chelating N-donor functionalities. A proof of concept is demonstrated by the synthesis and characterization of sym-bis(3,5-dimethyl-1H-pyrazol-1-yl)-carbodiphosphorane (CDP((3,5-Me)Pz)(2), 2) and sym-bis(pyridin-2-yloxy)carbodiphosphorane (CDP(O-Py-2)(2), 3). Due to their superbasic central two-/four-electron carbon donor functionality, these neutral ligands are electronically flexible to act as neutral six-or eight-electron donors, as pincer ligand templates, or as two geminally metal bridging ligands. Their potential to form monoand dinuclear complexes involving two 6-ring or two 5-ring N,C-chelate ring motives has been explored. Complexes of 2 and 3 with fac-[M(CO)(3)] fragments (ls d(6); M = Cr, Mo, W) were used as spectroscopic probes. They reveal a strong sigma-donor and potential pi-donor ability of the central carbon donor pushing electron density for enhanced M-CO back-bonding into the metal d orbitals. DFT calculations consolidate this observation. Dinuclear and multinuclear d(10) Cu(I) complexes have been formed and structurally investigated upon treating these CDP ligands 2 and 3 with CuX (X = Cl, Br, I).

Product Details of 67-51-6. Welcome to talk about 67-51-6, If you have any questions, you can contact Klein, M; Sundermeyer, J or send Email.

Reference:
Pyrazole – Wikipedia,
,Pyrazoles – an overview | ScienceDirect Topics

An overview of features, applications of compound:3,5-Dimethyl-1H-pyrazole

Recommanded Product: 67-51-6. Welcome to talk about 67-51-6, If you have any questions, you can contact Ohmatsu, K; Nakashima, T; Sato, M; Ooi, T or send Email.

Recommanded Product: 67-51-6. In 2019.0 NAT COMMUN published article about PHOTOINDUCED ELECTRON-TRANSFER; PET-OXIDATIVE CYCLIZATION; MUKAIYAMA ALDOL REACTION; KETONES; BONDS; FUNCTIONALIZATION; ACTIVATION; ARYLATION; QUINONE; SCALE in [Ohmatsu, Kohsuke; Nakashima, Tsubasa; Sato, Makoto; Ooi, Takashi] Nagoya Univ, Grad Sch Engn, Inst Transformat Biomol WPI ITbM, Nagoya, Aichi 4648601, Japan; [Ohmatsu, Kohsuke; Nakashima, Tsubasa; Sato, Makoto; Ooi, Takashi] Nagoya Univ, Grad Sch Engn, Dept Mol & Macromol Chem, Nagoya, Aichi 4648601, Japan; [Ooi, Takashi] Japan Sci & Technol Agcy JST, CREST, Nagoya, Aichi 4648601, Japan in 2019.0, Cited 36.0. The Name is 3,5-Dimethyl-1H-pyrazole. Through research, I have a further understanding and discovery of 67-51-6.

Strategies for altering the reaction pathway of reactive intermediates are of significant importance in diversifying organic synthesis. Enol silyl ethers, versatile enolate equivalents, are known to undergo one-electron oxidation to generate the radical cations that spontaneously form electrophilic alpha-carbonyl radicals via elimination of the silyl groups. Here, we demonstrate that close scrutiny of the property of the radical cations as strong C-H acids enables the identification of a catalyst system consisting of an iridium-based photosensitizer and 2,4,6-collidine for the generation of nucleophilic allylic radicals from enol silyl ethers through one-electron oxidation-deprotonation sequence under light irradiation without the desilylation of the radical cation intermediates. The resultant allylic radicals engage in the addition to electron-deficient olefins, establishing the selective allylic C-H alkylation of enol silyl ethers. This strategy is broadly applicable, and the alkylated enol silyl ethers can be transformed into highly functionalized carbonyl compounds by exploiting their common polar reactivity.

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Reference:
Pyrazole – Wikipedia,
,Pyrazoles – an overview | ScienceDirect Topics

Awesome Chemistry Experiments For C12H12N2O3

Welcome to talk about 83-10-3, If you have any questions, you can contact Peters, GA; Wong, ML; Joseph, JW; Sanchez, LD or send Email.. Recommanded Product: 83-10-3

An article Pulse Rate Variability in Emergency Physicians During Shifts: Pilot Cross-Sectional Study WOS:000488533300001 published article about HEART-RATE-VARIABILITY; WORK-LIFE BALANCE; BURNOUT; SURGEONS; STRESS; SATISFACTION; TONE in [Peters, Gregory Andrew; Wong, Matthew L.; Joseph, Joshua W.; Sanchez, Leon D.] Beth Israel Deaconess Med Ctr, Dept Emergency Med, 1 Deaconess Rd, Boston, MA 02215 USA; [Peters, Gregory Andrew; Wong, Matthew L.; Joseph, Joshua W.; Sanchez, Leon D.] Harvard Med Sch, Boston, MA 02115 USA in 2019, Cited 40. The Name is 1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carboxylic acid. Through research, I have a further understanding and discovery of 83-10-3. Recommanded Product: 83-10-3

Background: The high prevalence of physician burnout, particularly in emergency medicine, has garnered national attention in recent years. Objective means of measuring stress while at work can facilitate research into stress reduction interventions, and wearable photoplethysmography (PPG) technology has been proposed as a potential solution. However, the use of low-burden wearable biosensors to study training and clinical practice among emergency physicians (EP) remains untested. Objective: This pilot study aimed to (1) determine the feasibility of recording on-shift photoplethysmographic data from EP, (2) assess the quality of these data, and (3) calculate standard pulse rate variability (PRV) metrics from the acquired dataset and examine patterns in these variables over the course of an academic year. Methods: A total of 21 EP wore PPG biosensors on their wrists during clinical work in the emergency department during a 9-hour shift. Recordings were collected during the first quarter of the academic year, then again during the fourth quarter of the same year for comparison. The overall rate of usable data collection per time was computed. Standard pulse rate (PR) and PRV metrics from these two time points were calculated and entered into Student t tests. Results: More than 400 hours of data were entered into these analyses. Interpretable data were captured during 8.54% of the total recording time overall. In the fourth quarter of the academic year compared with the first quarter, there was no significant difference in median PR (75.8 vs 76.8; P=.57), mean R-R interval (0.81 vs 0.80; P=.32), SD of R-R interval (0.11 vs 0.11; P=.93), root mean square of successive difference of R-R interval (0.81 vs 0.80; P=.96), low-frequency power (3.5×103 vs 3.4×103; P=.79), high-frequency power (8.5×103 vs 8.3×103; P=.91), or low-frequency to high-frequency ratio (0.42 vs 0.41; P=.43), respectively. Power estimates for each of these tests exceeded .90. A secondary analysis of the resident-only subgroup similarly showed no significant differences over time, despite power estimates greater than .80. Conclusions: Although the use of PPG biosensors to record real-time physiological data from EP while providing clinical care seems operationally feasible, this study fails to support the notion that such an approach can efficiently provide reliable estimates of metrics of interest. No significant differences in PR or PRV metrics were found at the end of the year compared with the beginning. Although these methods may offer useful applications to other domains, it may currently have limited utility in the contexts of physician training and wellness.

Welcome to talk about 83-10-3, If you have any questions, you can contact Peters, GA; Wong, ML; Joseph, JW; Sanchez, LD or send Email.. Recommanded Product: 83-10-3

Reference:
Patent; Shanghai Pharmaceutical Industry Institute; China Pharmaceutical Industry Zongyuan; Li Jianqi; Huang Daowei; Wang Wenya; Zhang Zhiguo; Jiang Ling; (45 pag.)CN107286140; (2017); A;,
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics

What kind of challenge would you like to see in a future of compound:C11H12N2O

Welcome to talk about 86-92-0, If you have any questions, you can contact Akbari, F; Didehban, K; Farhang, M or send Email.. Name: 3-Methyl-1-p-tolyl-5-pyrazolone

An article Solubility of solid intermediate of pharmaceutical compounds in pure organic solvents using semi-empirical models WOS:000507620300035 published article about MAGNESIUM-DL-ASPARTATE; P-TOLUIC ACID; MIXING PROPERTIES; ACTIVITY-COEFFICIENT; NRTL-SAC; 313.15 K; PREDICTION; INGREDIENTS; PARAMETERS in [Akbari, Falamarz] Eram Inst Higher Educ, Dept Chem, POB 71957-46733, Shiraz, Iran; [Didehban, Khadijeh; Farhang, Mona] Payame Noor Univ, Dept Chem, POB 19395-3697, Tehran, Iran in 2020, Cited 35. Name: 3-Methyl-1-p-tolyl-5-pyrazolone. The Name is 3-Methyl-1-p-tolyl-5-pyrazolone. Through research, I have a further understanding and discovery of 86-92-0

A new semi-theoretical equation is suggested for correlation of solid-liquid solubility data with temperature. The (solid + liquid) equilibrium for Terephthaldialdehyde, 4-Nitro-o-phennylenediamine, 2,4-dihydro- 5-methyl-2(4-methylphenyl)-3H-pyrazol-3-one (also named 1-(p-toly1)-3-methyl-5pyrazolone (PTMP)), 2-Amino-5-methylthiazole and 5-chloro-1-methyl-4-nitroimidazole in 18 solvents is correlated with semi-empirical models at temperatures T = 273.15 – 318.15 K under a pressure of 101.2 kPa. Moreover, a modified Apelblat model, lambda h model, Wilson model, NRTL model, new flexible equation as Akbari, Dideban and Farhang model (ADF) and for first time the modified Scatchard-Hildebrand equation were utilized to calculate the experiment values. The performance of both ADF and modified Scatchard-Hildebrand equation have been checked by calculating the solubility data with the AARD% of 1.3808% (for 775 data points) and 0.65% (for 100 data points), respectively. The Wilson model is applied to estimate the mixing Gibbs energy, mixing enthalpy, mixing entropy, activity coefficient (ln gamma(infinity)(1)) and reduced excess enthalpy (H-I(E,infinity)) at infinitesimal concentration were calculated.

Welcome to talk about 86-92-0, If you have any questions, you can contact Akbari, F; Didehban, K; Farhang, M or send Email.. Name: 3-Methyl-1-p-tolyl-5-pyrazolone

Reference:
Article; Zhang, Yong; Nie, Long-Jun; Luo, Liang; Mao, Jia-Xin; Liu, Jin-Xiang; Xu, Guo-Hai; Chen, Deliang; Luo, Hai-Qing; Tetrahedron; vol. 76; 7; (2020);,
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics

The important role of 67-51-6

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Authors Sharma, P; Nath, H; Frontera, A; Barcelo-Oliver, M; Verma, AK; Hussain, S; Bhattacharyya, MK in ROYAL SOC CHEMISTRY published article about in [Sharma, Pranay; Nath, Hiren; Bhattacharyya, Manjit K.] Cotton Univ, Dept Chem, Gauhati 781001, Assam, India; [Frontera, Antonio; Barcelo-Oliver, Miquel] Univ Illes Balears, Dept Quim, Crta Valldemossa Km 7-7, Palma De Mallorca 07122, Baleares, Spain; [Verma, Akalesh K.] Cotton Univ, Dept Zool, Cell Biochem Technol Lab, Gauhati 781001, India; [Hussain, Sahid] Indian Inst Technol Patna, Dept Chem, Patna 801103, Bihar, India in 2021.0, Cited 116.0. Recommanded Product: 67-51-6. The Name is 3,5-Dimethyl-1H-pyrazole. Through research, I have a further understanding and discovery of 67-51-6

Two new coordination complexes of Cu(ii) viz.; [Cu(bpy)(2)(NO3)]NO3 center dot 5H(2)O (1) and [Cu(phen)(Hdmpz)Cl-2]center dot H2O (2) (bpy = 2,2 ‘-bipyridine, phen = 1,10-phenanthroline, Hdmpz = 3,5-dimethyl pyrazole) have been synthesized and characterized by single crystal X-ray diffraction, electronic spectroscopy, EPR, FT-IR spectroscopy and TGA. The nitrate anion and the water molecules in the lattice of 1 are involved in the formation of unconventional infinite supramolecular crown-like nitrate-water clusters. The unconventional enclathration of guest cationic complex moieties of 1 within the supramolecular nitrate-water crown hosts provides stability to the crystal structure. Crystal structure analysis of 2 reveals the presence of cooperative ternary pi-stacked assemblies with enclathration of single guest water molecules in hexameric Cu(II) supramolecular host cavities. Theoretical calculations have been performed to analyse the non-covalent interactions in the compounds; focusing on the unusual H-bonding network/anion-pi cooperative assemblies in 1 and two different pi-stacked cooperative assemblies in 2. DFT studies reveal that the distribution and orientation of the H-bonds in the cooperative H-bonding network in 1 is the most favoured. The high interaction energies of (pi-pi)(1) and (pi-pi)(2) in pi-stacked ternary assemblies of 2 can be attributed to the participation of the entire aromatic surfaces with antiparallel orientations and the cooperative C-H center dot center dot center dot Cl interactions respectively. The in vitro antiproliferative activities of the compounds considering cell cytotoxicity, apoptosis and DNA fragmentation assays reveal significant concentration dependent cytotoxicity in DL cancer cells with nominal effects in normal PBMC cells. The molecular docking and pharmacophore studies established the structure activity relationship of the compounds.

Recommanded Product: 67-51-6. Welcome to talk about 67-51-6, If you have any questions, you can contact Sharma, P; Nath, H; Frontera, A; Barcelo-Oliver, M; Verma, AK; Hussain, S; Bhattacharyya, MK or send Email.

Reference:
Pyrazole – Wikipedia,
,Pyrazoles – an overview | ScienceDirect Topics

Something interesting about 67-51-6

Category: pyrazoles-derivatives. Bye, fridends, I hope you can learn more about C5H8N2, If you have any questions, you can browse other blog as well. See you lster.

Category: pyrazoles-derivatives. In 2021.0 ORGANOMETALLICS published article about PINCER LIGAND; MOLECULAR-STRUCTURE; COPPER(I) CHLORIDE; CARBENE COMPLEXES; CRYSTAL-STRUCTURE; PI-COMPLEXES; CHEMISTRY; HEXAPHENYLCARBODIPHOSPHORANE; METALS; HALIDE in [Klein, Marius; Sundermeyer, Joerg] Philipps Univ Marburg, Fachbereich Chem & Wissensch, Zentrum Mat, D-35043 Marburg, Germany in 2021.0, Cited 67.0. The Name is 3,5-Dimethyl-1H-pyrazole. Through research, I have a further understanding and discovery of 67-51-6.

The reaction of sym-bis(P-chlorodiphenyl)-carbodiphosphorane (1) with difunctional nucleophiles leads to carbodiphosphoranes carrying two additional chelating N-donor functionalities. A proof of concept is demonstrated by the synthesis and characterization of sym-bis(3,5-dimethyl-1H-pyrazol-1-yl)-carbodiphosphorane (CDP((3,5-Me)Pz)(2), 2) and sym-bis(pyridin-2-yloxy)carbodiphosphorane (CDP(O-Py-2)(2), 3). Due to their superbasic central two-/four-electron carbon donor functionality, these neutral ligands are electronically flexible to act as neutral six-or eight-electron donors, as pincer ligand templates, or as two geminally metal bridging ligands. Their potential to form monoand dinuclear complexes involving two 6-ring or two 5-ring N,C-chelate ring motives has been explored. Complexes of 2 and 3 with fac-[M(CO)(3)] fragments (ls d(6); M = Cr, Mo, W) were used as spectroscopic probes. They reveal a strong sigma-donor and potential pi-donor ability of the central carbon donor pushing electron density for enhanced M-CO back-bonding into the metal d orbitals. DFT calculations consolidate this observation. Dinuclear and multinuclear d(10) Cu(I) complexes have been formed and structurally investigated upon treating these CDP ligands 2 and 3 with CuX (X = Cl, Br, I).

Category: pyrazoles-derivatives. Bye, fridends, I hope you can learn more about C5H8N2, If you have any questions, you can browse other blog as well. See you lster.

Reference:
Pyrazole – Wikipedia,
,Pyrazoles – an overview | ScienceDirect Topics

Never Underestimate The Influence Of 3,5-Dimethyl-1H-pyrazole

Welcome to talk about 67-51-6, If you have any questions, you can contact Sandoval-Rojas, AP; Cortes, MT; Hurtado, J or send Email.. SDS of cas: 67-51-6

Recently I am researching about GLASSY-CARBON ELECTRODE; ASCORBIC-ACID; COMPLEX; FILM; POLYMERS; ION; ELECTROPOLYMERIZATION; COMPOSITE, Saw an article supported by the Fundacion para la promocion de la investigacion y la tecnologia del Banco de la Republica de Colombia (Bank of Republic) [4127]; Universidad de los Andes. SDS of cas: 67-51-6. Published in ELSEVIER SCIENCE SA in LAUSANNE ,Authors: Sandoval-Rojas, AP; Cortes, MT; Hurtado, J. The CAS is 67-51-6. Through research, I have a further understanding and discovery of 3,5-Dimethyl-1H-pyrazole

Poly(3,4-ethylenedioxythiophene) (PEDOT) doped with a new sulfonated derivate from bis(3,5-dimethylpyrazol-1-yl)methane (LSA) was electrochemically synthesized and characterized by cyclic voltammetry, chronoamperometry, scanning electron microscopy, Raman spectroscopy and ultraviolet/visible spectroscopy. In addition, LSA was also fully characterized. A PEDOT:LSA modified electrode was used to study the electrochemical detection of dopamine in the presence of ascorbic and uric acid. The use of this new dopant increased the sensitivity and reduced the detection limit compared with the values observed for PEDOT doped with perchlorate.

Welcome to talk about 67-51-6, If you have any questions, you can contact Sandoval-Rojas, AP; Cortes, MT; Hurtado, J or send Email.. SDS of cas: 67-51-6

Reference:
Pyrazole – Wikipedia,
,Pyrazoles – an overview | ScienceDirect Topics

What unique challenges do researchers face in 1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carboxylic acid

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Recommanded Product: 1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carboxylic acid. In 2020 CANCER MANAG RES published article about CLINICAL-PRACTICE; SURVIVAL; MULTICENTER; ANTITUMOR; SAFETY; SITE; SEX in [Novakova-Jiresova, Alena; Boublikova, Ludmila; Buchler, Tomas] Charles Univ Prague, Fac Med 1, Dept Oncol, Videnska 800, Prague 14059, Czech Republic; [Novakova-Jiresova, Alena; Boublikova, Ludmila; Buchler, Tomas] Charles Univ Prague, Thomayer Hosp, Videnska 800, Prague 14059, Czech Republic; [Kopeckova, Katerina; Batko, Stanislav; Linke, Zdenek; Prausov, Jana] Charles Univ Prague, Univ Hosp Motol, Dept Oncol, Prague, Czech Republic; [Chloupkov, Renata] Masaryk Univ, Fac Med, Inst Biostat & Anal, Brno, Czech Republic; [Melichar, Bohuslav] Palacky Univ Med, Dept Oncol, Olomouc, Czech Republic; [Melichar, Bohuslav] Teaching Hosp, Olomouc, Czech Republic; [Petruzelka, Lubos] Charles Univ Prague, Gen Fac Hosp, Dept Oncol, Prague, Czech Republic; [Finek, Jindrich; Fiala, Ondrej] Charles Univ Prague, Med Sch, Dept Oncol & Radiotherapy, Plzen, Czech Republic; [Finek, Jindrich; Fiala, Ondrej] Charles Univ Prague, Univ Hosp Pilsen, Plzen, Czech Republic; [Fiala, Ondrej] Charles Univ Prague, Fac Med Pilsen, Biomed Ctr, Plzen, Czech Republic; [Grell, Peter; Kiss, Igor] Masaryk Mem Canc Inst, Dept Comprehens Canc Care, Brno, Czech Republic in 2020, Cited 30. The Name is 1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carboxylic acid. Through research, I have a further understanding and discovery of 83-10-3.

Purpose: Regorafenib is an oral multikinase inhibitor approved for the therapy of previously treated metastatic colorectal carcinoma (mCRC). The aim of the present study was to analyze the outcomes of treatment with regorafenib in real-world clinical practice based on data from a national registry. Methods: The CORECT registry, the Czech non-interventional database of patients with mCRC treated with targeted agents, searched for patients with metastatic CRC treated with regorafenib. In total, 555 evaluable patients were identified. Results: The median age at diagnosis was 61.7 years. All patients had disease progression on or after previous systemic treatment. Most patients were treated with an initial dose of 160 mg daily (n = 463; 83.6%). The median duration of treatment was 2.7 months (range 0.023.4 months). By the data cut-off date, 472 patients (85%) had completed treatment with regorafenib and were evaluable for treatment response evaluation. Partial response was reported in 13 patients (2.8%) and disease stabilization in 130 patients (27.5%). Median progression-free survival (PFS) and overall survival (OS) were 3.5 months (95% confidence interval [CI] 3.2-3.7 months) and 9.3 months (95% CI 8.3-10.3 months), respectively. The 6-month OS rate was 67.7% (95% CI 63.4-72.1%). Multivariable analysis showed that female gender, longer interval from diagnosis of metastatic disease, MO stage at diagnosis, and Eastern Cooperative Oncology Group performance status (ECOG PS) 0 were associated with longer PFS, while higher body-mass index (BMI), longer interval from diagnosis of metastatic disease, and ECOG PS of 0 were associated with longer OS. Conclusion: OS of patients treated with regorafenib in the real-world clinical practice in this cohort exceeded that reported in randomized trials. Regorafenib is a safe and active treatment option for a subgroup of patients with mCRC who are progressing after other systemic therapies and maintain good performance status.

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Reference:
Patent; Shanghai Pharmaceutical Industry Institute; China Pharmaceutical Industry Zongyuan; Li Jianqi; Huang Daowei; Wang Wenya; Zhang Zhiguo; Jiang Ling; (45 pag.)CN107286140; (2017); A;,
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics