Tag: 0-100

Hayashi, Hiroki; Takano, Hideaki; Katsuyama, Hitomi; Harabuchi, Yu; Maeda, Satoshi; Mita, Tsuyoshi published an article in Chemistry – A European Journal. The title of the article was 《Synthesis of difluoroglycine derivatives from amines, difluorocarbene, and CO2: computational design, scope, and applications》.Application In Synthesis of 1-Methylpyrazole The author mentioned the following in the article:

A three-component reaction (3CR) for the synthesis of difluoroglycine derivatives has been achieved by using amines, difluorocarbene (generated in situ), and the abundant, inexpensive, and nontoxic C1 source CO2. Various tert-amines and pyridine, (iso)quinoline, imidazole, thiazole, and pyrazole derivatives were incorporated, and the corresponding products were isolated in solid form without purification by column chromatog. on silica gel. Detailed reaction profiles of the 3CR were obtained from computational anal. using DFT calculations, and the results critically suggest that simple ammonia is not applicable to this reaction. In addition, as strongly supported by computational predictions, a new reagent that can generate difluorocarbene at 0°C without any additives was discovered. Finally, radical substitution reactions of the obtained difluoroglycine derivatives under photoredox conditions, as well as a synthetic application as an N-heterocyclic carbene ligand are shown. After reading the article, we found that the author used 1-Methylpyrazole(cas: 930-36-9Application In Synthesis of 1-Methylpyrazole)

1-Methylpyrazole(cas: 930-36-9) belongs to pyrazoles. Pyrazoles and their related multiring analogs are common elements of a wide variety of bioactive compounds. These ring structures are rare in nature. A consequence of this is that they have previously been thought to be poor moieties to include in potential new drugs. Application In Synthesis of 1-Methylpyrazole

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

O’Sullivan, Leonie; Patel, Ketul V.; Rowley, Ben C.; Brownsey, Duncan K.; Gorobets, Evgueni; Gelfand, Benjamin S.; Van Humbeck, Jeffrey F.; Derksen, Darren J. published an article on January 7 ,2022. The article was titled 《Regioselective Synthesis of C3-Hydroxyarylated Pyrazoles》, and you may find the article in Journal of Organic Chemistry.Product Details of 930-36-9 The information in the text is summarized as follows:

The first regioselective route to C3-hydroxyarylated pyrazoles obtained through reaction of pyrazole N-oxides with arynes using mild conditions is reported. Importantly, this method does not require the C4 and C5 positions of the pyrazole to be functionalized to observe regioselectivity. Using this method, authors completed the synthesis of a recently reported JAK 1/2 inhibitor. Authors’ synthesis produces the desired product in 4 steps from com. available starting materials. The results came from multiple reactions, including the reaction of 1-Methylpyrazole(cas: 930-36-9Product Details of 930-36-9)

1-Methylpyrazole(cas: 930-36-9) belongs to pyrazoles. Pyrazoles and their related multiring analogs are common elements of a wide variety of bioactive compounds. These ring structures are rare in nature. A consequence of this is that they have previously been thought to be poor moieties to include in potential new drugs. Product Details of 930-36-9

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

Reference of 1-MethylpyrazoleOn November 30, 2019 ,《Catalyst-free addition of secondary phosphine chalcogenides to pyrazolecarbaldehydes》 appeared in Mendeleev Communications. The author of the article were Malysheva, Svetlana F.; Kuimov, Vladimir A.; Belogorlova, Natalia A.; Gusarova, Nina K.; Taydakov, Ilya V.; Albanov, Alexander I.; Eremenko, Igor L.; Trofimov, Boris A.. The article conveys some information:

(Chalcogenophosphoryl)hydroxymethyl-substituted pyrazoles were obtained by catalyst-free reaction between 4- and 5-pyrazolecarbaldehydes and secondary phosphine chalcogenides R2P(X)H [R = Ph, (CH2)2Ph, X = O, S, Se] at 23-50° in toluene. In the experiment, the researchers used many compounds, for example, 1-Methylpyrazole(cas: 930-36-9Reference of 1-Methylpyrazole)

1-Methylpyrazole(cas: 930-36-9) belongs to pyrazoles. Pyrazoles and their related multiring analogs are common elements of a wide variety of bioactive compounds. These ring structures are rare in nature. A consequence of this is that they have previously been thought to be poor moieties to include in potential new drugs. Reference of 1-Methylpyrazole

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

《Palladium-Phenylpyrazolylphosphine-Catalyzed Cross-Coupling of Alkenyl Pivalates》 was written by Chen, Zicong; So, Chau Ming. Name: 1-Methylpyrazole And the article was included in Asian Journal of Organic Chemistry on April 30 ,2021. The article conveys some information:

A new type of easily accessible phenylpyrazole phosphine ligand was developed. The catalyst generated from Pd(OAc)2 and PP-Phos was highly effective in the palladium-catalyzed cross-coupling of alkenyl pivalates with organomagnesium reagents. The reaction accommodated a broad scope of alkenyl carboxylates under mild conditions, providing an alternative but practical way to the synthesis of multi-substituted alkenes, e.g., I in value. After reading the article, we found that the author used 1-Methylpyrazole(cas: 930-36-9Name: 1-Methylpyrazole)

1-Methylpyrazole(cas: 930-36-9) belongs to pyrazoles. Pyrazole derivatives have been reported to exhibit a wide range of applications in medicinal chemistry and pharmacology. A large number of drugs incorporating pyrazole structure have been utilized as partial agonists for nicotinic acid receptors, antidepressants, antimicrobial agents, antiviral agents, and antifungal agents solely or along with the combination of other structural motifs.Name: 1-Methylpyrazole

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

Bukenov, Bauyrzhan; Baimatova, Nassiba; Kenessov, Bulat published an article on January 31 ,2022. The article was titled 《Quantification of transformation products of rocket fuel unsymmetrical dimethylhydrazine in air using solid-phase microextraction》, and you may find the article in Journal of Separation Science.COA of Formula: C4H6N2 The information in the text is summarized as follows:

Quantification of unsym. dimethylhydrazine transformation products in ambient air is important for assessing the environmental impact of heavy rocket launches. There are little data of such analyses, which is mainly caused by the low number of analytes covered by the available anal. methods and their complexity. A simple and cost-efficient method for accurate simultaneous determination of seven unsym. dimethylhydrazine transformation products in air using solid-phase microextraction followed by gas chromatog.-mass spectrometry was developed. The method was optimized for air sampling and solid-phase microextraction from 20-mL vials, which allows full automation of anal. The extraction for 5 min by Carboxen/polydimethylsiloxane fiber from amber vials and desorption for 3 min provided the greatest analytes’ responses, lowest relative standard deviations, linear calibration (R2 ≥ 0.99), and limits of detection from 0.12 to 0.5μg/m3. Samples with concentrations 500μg/m3 can be stored at 21 ± 1° without substantial losses (1-11%) for up to 24 h, while air samples with concentrations 10 and 50μg/m3 stored for up to 24 h can be used for accurate quantification of only two and four out of seven analytes, resp. The developed method was successfully tested for the anal. of air above real soil samples contaminated with unsym. dimethylhydrazine rocket fuel. In the experimental materials used by the author, we found 1-Methylpyrazole(cas: 930-36-9COA of Formula: C4H6N2)

1-Methylpyrazole(cas: 930-36-9) belongs to pyrazoles. Pyrazoles and their related multiring analogs are common elements of a wide variety of bioactive compounds. These ring structures are rare in nature. A consequence of this is that they have previously been thought to be poor moieties to include in potential new drugs. COA of Formula: C4H6N2

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

Fuse, Shinichiro; Suzuki, Kensuke; Kuchimaru, Takahiro; Kadonosono, Tetsuya; Ueda, Hiroki; Sato, Shinichi; Kizaka-Kondoh, Shinae; Nakamura, Hiroyuki published an article in Bioorganic & Medicinal Chemistry. The title of the article was 《Design, synthesis, and evaluation of indeno[2,1-c]pyrazolones for use as inhibitors against hypoxia-inducible factor (HIF)-1 transcriptional activity》.Name: 1-Methylpyrazole The author mentioned the following in the article:

In this study, indeno[2,1-c]pyrazolones, compounds I [Y = C, N; R1 = H, Me; R2 = H, Me, Ph, etc] were designed as readily available synthetic inhibitors of HIF-1 transcriptional activity. Nine compounds were synthesized in 4-5 steps from com. available starting materials. In evaluations of the ability to inhibit the hypoxia-induced transcriptional activity of HIF-1, compound I [Y = C, R1 = H, R2 = 4-MeC6H4] showed a higher level compared with that of known inhibitor, YC-1. The compound I [Y = C, R1 = H, R2 = 4-MeC6H4] suppressed HIF-1α protein accumulation without affecting the levels of HIF-1α mRNA. The results came from multiple reactions, including the reaction of 1-Methylpyrazole(cas: 930-36-9Name: 1-Methylpyrazole)

1-Methylpyrazole(cas: 930-36-9) belongs to pyrazoles. Pyrazoles and their related multiring analogs are common elements of a wide variety of bioactive compounds. These ring structures are rare in nature. A consequence of this is that they have previously been thought to be poor moieties to include in potential new drugs. Name: 1-Methylpyrazole

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

HPLC of Formula: 930-36-9On September 24, 2020 ,《Discovery of DS-1971a, a Potent, Selective NaV1.7 Inhibitor》 was published in Journal of Medicinal Chemistry. The article was written by Shinozuka, Tsuyoshi; Kobayashi, Hiroyuki; Suzuki, Sayaka; Tanaka, Kyosuke; Karanjule, Narayan; Hayashi, Noriyuki; Tsuda, Toshifumi; Tokumaru, Eri; Inoue, Masahiro; Ueda, Kiyono; Kimoto, Hiroko; Domon, Yuki; Takahashi, Sakiko; Kubota, Kazufumi; Yokoyama, Tomihisa; Shimizugawa, Akiko; Koishi, Ryuta; Fujiwara, Chie; Asano, Daigo; Sakakura, Tomoko; Takasuna, Kiyoshi; Abe, Yasuyuki; Watanabe, Toshiyuki; Kitano, Yutaka. The article contains the following contents:

A highly potent, selective NaV1.7 inhibitor, DS-1971a(I), has been discovered. Exploration of the left-hand Ph ring of sulfonamide derivatives (I and II) led to the discovery of novel series of cycloalkane derivatives with high NaV1.7 inhibitory potency in vitro. As the right-hand heteroaromatic ring affected the mechanism-based inhibition liability of CYP3A4, replacement of this moiety resulted in the generation of 4-pyrimidyl derivatives Addnl., GSH adducts formation, which can cause idiosyncratic drug toxicity, was successfully avoided by this modification. An addnl. optimization led to the discovery of DS-1971a. In preclin. studies, DS-1971a demonstrated highly potent selective in vitro profile with robust efficacy in vivo. DS-1971a exhibited a favorable toxicol. profile, which enabled multiple-dose studies of up to 600 mg bid or 400 mg tid (1200 mg/day) administered for 14 days to healthy human males. DS-1971a is expected to exert potent efficacy in patients with peripheral neuropathic pain, with a favorable safety profile. The experimental part of the paper was very detailed, including the reaction process of 1-Methylpyrazole(cas: 930-36-9HPLC of Formula: 930-36-9)

1-Methylpyrazole(cas: 930-36-9) belongs to pyrazoles. Pyrazoles and their related multiring analogs are common elements of a wide variety of bioactive compounds. These ring structures are rare in nature. A consequence of this is that they have previously been thought to be poor moieties to include in potential new drugs. HPLC of Formula: 930-36-9

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

Dong, Dawei; Xiao, Yafei; Zhang, Minghua; Yang, Zhaojie; Wang, Ke; Fan, Minmin published an article in International Journal of Hydrogen Energy. The title of the article was 《Crosslinked anion exchange membranes with regional intensive ion clusters prepared from quaternized branched polyethyleneimine/quaternized polysulfone》.Product Details of 930-36-9 The author mentioned the following in the article:

A series of anion exchange membranes (AEMs) with regionally dense ion clusters are prepared by crosslinking quaternized polysulfone (QPSU) with quaternized branched polyethyleneimine (QBPEI). For the as-prepared QPSU/QBPEI AEMs, the hydrophilic QBPEI forms locally aggregated ion clusters in the QPSU matrix, which can promote the formation of an obvious microphase separation structure in the membrane. The QPSU/QBPEI-3 AEM with an ion exchange capacity of 1.88 meq/g exhibits the best performance, achieving a reasonably high ionic conductivity of 66.14 mS/cm at 80°C and showing good oxidation stability and alkali resistance. Finally, the maximum power d. of a single H2/O2 fuel cell with QPSU/QBPEI-3 AEM reaches 75.34 mW/cm2 at 80°C. The above results indicate that QBPEI with a dendritic structure and abundant anionic conductive groups has a good application prospect in the preparation of AEMs with locally aggregated ion clusters and microphase separation structures. The results came from multiple reactions, including the reaction of 1-Methylpyrazole(cas: 930-36-9Product Details of 930-36-9)

1-Methylpyrazole(cas: 930-36-9) belongs to pyrazoles. Pyrazoles and their related multiring analogs are common elements of a wide variety of bioactive compounds. These ring structures are rare in nature. A consequence of this is that they have previously been thought to be poor moieties to include in potential new drugs. Product Details of 930-36-9

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

Recommanded Product: 930-36-9On October 3, 2019 ,《Calculation of 15N NMR Chemical Shifts in a Diversity of Nitrogen-Containing Compounds Using Composite Method Approximation at the DFT, MP2, and CCSD Levels》 was published in Journal of Physical Chemistry A. The article was written by Semenov, Valentin A.; Samultsev, Dmitry O.; Krivdin, Leonid B.. The article contains the following contents:

Computations of 15N NMR chem. shifts in 93 diverse nitrogen-containing compounds representing almost all known classes are performed at the d. functional theory (DFT), second-order Moller-Plesset perturbation theory (MP2), and coupled cluster singles and doubles (CCSD) levels using the composite method approximation (CMA) in comparison with exptl. results. It is shown that the CMA-DFT and CMA-CCSD methods provided the best performance characterized by a normalized mean absolute error of 1.1-1.3% as compared to 2.3% for the CMA-MP2 results. Taking into account solvent effects within the conductor-like polarizable continuum model decreased the normalized mean absolute error by 0.4% for the CMA-DFT and by 0.2% for the CMA-CCSD calculations The experimental part of the paper was very detailed, including the reaction process of 1-Methylpyrazole(cas: 930-36-9Recommanded Product: 930-36-9)

1-Methylpyrazole(cas: 930-36-9) belongs to pyrazoles. Pyrazoles and their related multiring analogs are common elements of a wide variety of bioactive compounds. These ring structures are rare in nature. A consequence of this is that they have previously been thought to be poor moieties to include in potential new drugs. Recommanded Product: 930-36-9

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

SDS of cas: 930-36-9On October 31, 2022 ,《Hierarchical architecture of two-dimensional Ti3C2 nanosheets@Metal-Organic framework derivatives as anode for hybrid li-ion capacitors》 appeared in Journal of Colloid and Interface Science. The author of the article were Wu, Wenling; Zhao, Chunhui; Liu, Hao; Liu, Tiantian; Wang, Lei; Zhu, Jianfeng. The article conveys some information:

Two-dimensional (2D) layered metal carbides materials called MXenes (e.g., Ti3C2) are significantly attentioned as electrode material for lithium-ion capacitors (LICs) because of its large surface-to-volume ratio and ultra-high electronic conductivity Whereas, as anode electrode material, the performance and application prospects of Ti3C2 are severely restricted to its lower theory. capacity. In this work, a straightforward and effective strategy to surmount the restrictions was developed to combine layered Ti3C2 nanosheets with dual Co/Zn metal-organic framework (MOF) polyhedrons derivatives through electrostatic assembly. Co3O4/ZnO polyhedrons could prevent the stacking of Ti3C2 nanosheets and provide prominent lithium storage capacity. Furthermore, the advanced structure of Ti3C2@Co3O4/ZnO as anode material could provide short Li+ paths, large electrolyte channels and excellent structural stability to enhance the electrochem. performance for LICs. As a result, the prepared Ti3C2@Co3O4/ZnO composite exhibited a specific capacity of 585.7 mAh/g at 0.1 A/g, and the electrode still delivered a capacity of 229 mAh/g at 2 A/g after 1000 cycles with 93% capacity retention in lithium-ion half cell. In addition, by assembling with activated carbon (AC) as cathode and Ti3C2@Co3O4/ZnO as anode, the LIC revealed an ultra-high energy d. of 196.8 Wh/kg at a power d. of 174.9 W/kg, and delivered a high energy output of 87.5 Wh/kg even at a power d. of 3500 W/kg. And its capacitance retention reaches 75% after 6000 cycles at 2 A/g. The advanced structure, handy preparation, and outstanding performance of layered carbon-based material Ti3C2@hollow polyhedrons composite might provide promising applications in LICs. The experimental part of the paper was very detailed, including the reaction process of 1-Methylpyrazole(cas: 930-36-9SDS of cas: 930-36-9)

1-Methylpyrazole(cas: 930-36-9) belongs to pyrazoles. Pyrazoles and their related multiring analogs are common elements of a wide variety of bioactive compounds. These ring structures are rare in nature. A consequence of this is that they have previously been thought to be poor moieties to include in potential new drugs. SDS of cas: 930-36-9

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