Tag: M.W=200-250

I found the field of Biochemistry & Molecular Biology; Chemistry very interesting. Saw the article Synthesis and application of a F-19-labeled fluorescent nucleoside as a dual-mode probe for i-motif DNAs published in 2021. Product Details of 93-97-0, Reprint Addresses Sugiyama, H; Park, S (corresponding author), Kyoto Univ, Grad Sch Sci, Dept Chem, Sakyo Ku, Kitashirakawa Oiwakecho, Kyoto 6068502, Japan.; Sugiyama, H (corresponding author), Kyoto Univ, Inst Integrated Cell Mat Sci iCeMS, Sakyo Ku, Yoshida Ushinomiyacho, Kyoto 6068501, Japan.. The CAS is 93-97-0. Through research, I have a further understanding and discovery of Benzoic anhydride

Because of their stable orientations and their minimal interference with native DNA interactions and folding, emissive isomorphic nucleoside analogues are versatile tools for the accurate analysis of DNA structural heterogeneity. Here, we report on a bifunctional trifluoromethylphenylpyrrolocytidine derivative ((FP)dC) that displays an unprecedented quantum yield and highly sensitive F-19 NMR signal. This is the first report of a cytosine-based dual-purpose probe for both fluorescence and F-19 NMR spectroscopic DNA analysis. (FP)dC and (FP)dC-containing DNA were synthesized and characterized; our robust dual probe was successfully used to investigate the noncanonical DNA structure, i-motifs, through changes in fluorescence intensity and F-19 chemical shift in response to i-motif formation. The utility of (FP)dC was exemplified through reversible fluorescence switching of an (FP)dC-containing i-motif oligonucleotide in the presence of Ag(i) and cysteine.

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Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com

Safety of Benzoic anhydride. Authors 20220118 in NATURE RESEARCH published article about in [Sakai, Takayuki; Tsuji, Mieko; Hirayama, Tasuku; Nagasawa, Hideko] Gifu Pharmaceut Univ, Lab Pharmaceut & Med Chem, Gifu, Gifu 5011196, Japan; [Matsuo, Yoshiyuki; Hirota, Kiichi] Kansai Med Univ, Inst Biomed Sci, Dept Human Stress Response Sci, 2-5-1 Shin Machi, Hirakata, Osaka 5731010, Japan; [Okuda, Kensuke] Kobe Pharmaceut Univ, Lab Bioorgan & Nat Prod Chem, 4-19-1 Motoyama Kita, Kobe, Hyogo 6588558, Japan in 2021, Cited 52. The Name is Benzoic anhydride. Through research, I have a further understanding and discovery of 93-97-0

To develop antitumor drugs capable of targeting energy metabolism in the tumor microenvironment, we produced a series of potent new biguanide derivatives via structural modification of the arylbiguanide scaffold. We then conducted biological screening using hypoxia inducible factor (HIF)-1- and unfolded protein response (UPR)-dependent reporter assays and selective cytotoxicity assay under low glucose conditions. Homologation studies of aryl-(CH2)(n)-biguanides (n=0-6) yielded highly potent derivatives with an appropriate alkylene linker length (n=5, 6). The o-chlorophenyl derivative 7l (n=5) indicated the most potent inhibitory effects on HIF-1- and UPR-mediated transcriptional activation (IC50; 1.0 +/- 0.1 mu M, 7.5 +/- 0.1 mu M, respectively) and exhibited selective cytotoxicity toward HT29 cells under low glucose condition (IC50; 1.9 +/- 0.1 mu M). Additionally, the protein expression of HIF-1 alpha induced by hypoxia and of GRP78 and GRP94 induced by glucose starvation was markedly suppressed by the biguanides, thereby inhibiting angiogenesis. Metabolic flux and fluorescence-activated cell sorting analyses of tumor cells revealed that the biguanides strongly inhibited oxidative phosphorylation and activated compensative glycolysis in the presence of glucose, whereas both were strongly suppressed in the absence of glucose, resulting in cellular energy depletion and apoptosis. These findings suggest that the pleiotropic effects of these biguanides may contribute to more selective and effective killing of cancer cells due to the suppression of various stress adaptation systems in the tumor microenvironment.

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Reference:
Isothiazole – Wikipedia,
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Application In Synthesis of Benzoic anhydride. Recently I am researching about SUPPORTED IRON CATALYST; BORON-NITRIDE; FACILE FABRICATION; MANGANESE; PHASE; MOSSBAUER; OLEFINS; HYDROGENATION; NANOPARTICLES; OXIDES, Saw an article supported by the National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [21673273, 91545109]; Synfuels China Technology Co., Ltd.. Published in ELSEVIER in AMSTERDAM ,Authors: 20220118. The CAS is 93-97-0. Through research, I have a further understanding and discovery of Benzoic anhydride

A series of Fe/h-BN catalysts promoted with Cu or Mn were prepared for Fischer-Tropsch synthesis (FTS). The physicochemical properties, crystal structures and morphologies of the catalysts were characterized by N-2 physisorption, FT-IR, TPR, XPS, XRD, MES and TEM. It is found that iron oxide nanoparticles are highly dispersed on h-BN matrix due to the anchoring effect of surface defects and the accommodation of porous structures of h-BN. The characterization results indicate that strong interaction between iron oxide and h-BN is present on un-promoted catalyst, which endows the h-BN supported iron catalyst with stable properties under FTS conditions but severely retards reduction of the catalyst. The addition of Cu to Fe/h-BN can to some extent overcome the strong interaction by introducing more sites for dissociating H-2. It is observed that Cu promoter can increase the reduction or carburization degree and thus enhance the FTS activity. The addition of Mn to Fe/h-BN can weaken the strong interaction by altering the electron structure of iron species. And the electron-rich Fe species are responsible for easy reduction and the enhanced FTS performance. Besides, a higher activity can be realized by co-adding Cu and Mn to the Fe/h-BN catalyst. These results suggest that the synergistic effect of Mn and Cu can largely improve the performance of Fe/h-BN catalyst without impairing the stability of the catalyst. The present study paves a way to tailor the performances of FTS catalysts with h-BN as support.

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Reference:
Isothiazole – Wikipedia,
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An article Novel benzothiazole hybrids targeting EGFR: Design, synthesis, biological evaluation and molecular docking studies WOS:000664244600016 published article about THIOUREA DERIVATIVES BEARING; ANTITUMOR-ACTIVITY; INHIBITORY-ACTIVITY; CANCER; SENSITIVITY; MOIETY in [Abd El-Meguid, Eman A.] Natl Res Ctr, Pharmaceut & Drug Ind Res Div, Dept Chem Nat & Microbial Prod, Cairo 12622, Egypt; [Moustafa, Gaber O.] Natl Res Ctr, Chem Ind Res Div, Peptide Chem Dept, Cairo 12622, Egypt; [Awad, Hanem M.] Natl Res Ctr, Dept Tanning Mat & Leather Technol, Cairo 12622, Egypt; [Zaki, Eman R.] Natl Res Ctr, Dept Mol Biol, Cairo 12622, Egypt; [Nossier, Eman S.] Al Azhar Univ, Fac Pharm Girls, Dept Pharmaceut Med Chem, Cairo 11754, Egypt in 2021, Cited 47. The Name is Benzoic anhydride. Through research, I have a further understanding and discovery of 93-97-0. Category: isothiazole

Novel benzo[d] thiazole-based analogues were synthesized with the aim of screening their in vitro anticancer activity. All the new derivatives 4-21 were evaluated against human hepatocellular carcinoma (HepG-2) and breast cancer cells (MCF-7) using doxorubicin as a reference drug. All compounds exhibited excellent potency against MCF-7 (IC50 values ranging from 0.71 +/- 0.4 to 1.04 +/- 0.7 mu M) and variable promising potency against HepG-2 (IC50 ranged from 2.53 +/- 2.5 to 3.47 +/- 3.4 mu M) comparing with the standard (IC50 = 1.03 +/- 0.8 mu M and 2.85 +/- 1.9 mu M, respectively) in addition to their safety towards the normal cell line. Compounds 5, 6, 7, 13 and 16 having the highest cytotoxic activity, were further evaluated for their EGFR inhibitory activity using Erlotinib as a reference drug. Molecular docking studies were performed for the promising compounds 5, 6 and 7 to interpret their detected enzymatic activities based upon their binding interactions with the receptor. Moreover, cell cycle analysis and detection of apoptosis induction illustrated that compounds 5 and 6 exhibited a significant pre G(1) and G(2)/M cell cycle arrest, in comparison with the untreated MCF-7 cells. In addition, compounds 5 and 6 elevated the levels of the oncogenic parameters; Bax, p53 and caspase-3 with decreased level of Bcl-2. These previous encouraging results of biological evaluation of the newly synthesized benzothiazoles could recommend an excellent framework toward the detection of new potent antitumor leads. (C) 2021 Elsevier B.V. All rights reserved.

Category: isothiazole. Bye, fridends, I hope you can learn more about C14H10O3, If you have any questions, you can browse other blog as well. See you lster.

Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com

An article Self-assembly carbon dots for powerful solar water evaporation WOS:000471602000060 published article about QUANTUM DOTS; ACTIVE-SITES; GRAPHENE; EFFICIENT; PHOTOLUMINESCENCE; DESALINATION; GENERATION; MEMBRANE; AEROGEL; LAYER in [Hou, Qiao; Xue, Chaorui; Li, Ning; Wang, Huiqi; Chang, Qing; Liu, Hantao; Yang, Jinlong; Hu, Shengliang] North Univ China, Sch Energy & Power Engn, Taiyuan 030051, Shanxi, Peoples R China; [Hou, Qiao; Xue, Chaorui; Li, Ning; Wang, Huiqi; Chang, Qing; Liu, Hantao; Yang, Jinlong; Hu, Shengliang] North Univ China, Sch Mat Sci & Engn, Taiyuan 030051, Shanxi, Peoples R China; [Yang, Jinlong] Tsinghua Univ, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China in 2019, Cited 43. The Name is Benzoic anhydride. Through research, I have a further understanding and discovery of 93-97-0. SDS of cas: 93-97-0

Solar-driven water vaporization is considered one of the most sustainable technologies to solve water scarcity. However, the advanced design solar absorber system is still required for highly efficient steam generation. Here we develop a novel system for water evaporation through assembly of carbon dots within microchannels of processed wood. Not only is a dual-layer structure including of heat barrier and water transport channel formed, but also the modulation of carbon dot energy structures in favor of photothermal conversion is realized synchronously. This system exhibits higher water evaporation rate and energy efficiency for solar to steam generation than other black photothermal sheets (e.g. carbon nanotube, graphene, graphene oxide). On the one hand, the constructed size-dependent vaporization enthalpy theory shows that the micropores are beneficial to reduce vaporization enthalpy of water. On the other hand, the presented direct evidences for the roles of oxidation functional groups in solar thermal evaporation demonstrate that hydroxyl groups can improve solar-to-heat efficiency. Therefore, tailoring pore sizes and surface functional groups could be an efficient method for solar-to-vapor systems. (C) 2019 Elsevier Ltd. All rights reserved.

SDS of cas: 93-97-0. About Benzoic anhydride, If you have any questions, you can contact 20220118 or concate me.

Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com

An article Synthesis and Structure-Activity Relationship Correlations of Gnidimacrin Derivatives as Potent HIV-1 Inhibitors and HIV Latency Reversing Agents WOS:000480500600009 published article about ANTI-AIDS AGENTS; DITERPENOIDS; REPLICATION; ELIMINATION in [Liu, Qingbo; Li, Wei; Asada, Yoshihisa; Koike, Kazuo] Toho Univ, Fac Pharmaceut Sci, Miyama 2-2-1, Funabashi, Chiba 2748510, Japan; [Liu, Qingbo] Shenyang Pharmaceut Univ, Minist Educ, Key Lab Struct Based Drug Design & Discovery, Shenyang 110016, Liaoning, Peoples R China; [Cheng, Yung-Yi; Hsieh, Min-Tsang; Morris-Natschke, Susan L.; Lee, Kuo-Hsiung] Univ N Carolina, UNC Eshelman Sch Pharm, Nat Prod Res Labs, Chapel Hill, NC 27599 USA; [Cheng, Yung-Yi; Hsieh, Min-Tsang; Lee, Kuo-Hsiung] China Med Univ & Hosp, Chinese Med Res & Dev Ctr, Taichung 40402, Taiwan; [Huang, Li; Chen, Chin-Ho] Duke Univ, Med Ctr, Dept Surg, Surg Sci, Durham, NC 27710 USA in 2019, Cited 21. The Name is Benzoic anhydride. Through research, I have a further understanding and discovery of 93-97-0. Recommanded Product: Benzoic anhydride

Currently, due to the HIV latency mechanism, the search continues for effective drugs to combat this issue and provide a cure for AIDS. Gnidimacrin activates latent HIV-1 replication and inhibits HIV-1 infection at picomolar concentrations. This natural diterpene was able to markedly reduce the latent HIV-1 DNA level and the frequency of latently infected cells. Therefore, gnidimacrin is an excellent lead compound, and its anti-HIV potential merits further investigation. Twenty-nine modified gnidimacrin derivatives were synthesized and evaluated in assays for HIV replication and latency activation to establish which molecular structures must be maintained and which can tolerate changes that may be needed for better pharmacological properties. The results indicated that hydroxyl substituents at C-5 and C-20 are essential, while derivatives modified at 3-OH with aromatic esters retain anti-HIV replication and latent activation activities. The half-lives of the potent GM derivatives are over 20 h, which implies that they are stable in the plasm even though they contain ester linkages. The established structure activity relationship should be useful in the development of gnidimacrin or structurally related compounds as clinical trial candidates.

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Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com

An article Degradation of nanoplastics in the environment: Reactivity and impact on atmospheric and surface waters WOS:000569416400005 published article about DISSOLVED ORGANIC-MATTER; HYDROXYL RADICALS; MICROPLASTICS; MARINE; FIBERS; CLOUDS; MECHANISMS; DEPOSITION; SEAWATER; RIVERS in [Bianco, Angelica; Ehn, Mikael; Passananti, Monica] Univ Helsinki, Fac Sci, Inst Atmospher & Earth Syst Res Phys, FI-00014 Helsinki, Finland; [Sordello, Fabrizio; Vione, Davide; Passananti, Monica] Univ Torino, Dipartimento Chim, Via Pietro Giuria 5, I-10125 Turin, Italy in 2020, Cited 86. SDS of cas: 93-97-0. The Name is Benzoic anhydride. Through research, I have a further understanding and discovery of 93-97-0

Microplastics (MPs) and nanoplastics (NPs) are ubiquitous and contaminate soil, surface waters, atmospheric aerosol, precipitations, indoor and outdoor environments. However, the occurrence, transformation and fate of NPs in the environment are still unclear. In this work, polystyrene nanoparticles (PS-NPs) are used as a proxy of NPs to study their reactivity and potential impact on atmospheric and surface waters. In particular, the reactivity with hydroxyl radicals (center dot OH) in the aqueous phase is investigated. For the first time, a reactivity constant for the reaction of NPs with center dot OH is measured, strongly dependent on the exposed partide surface area of NPs. Degradation products (short chain carboxylic acids and aromatic compounds), obtained by direct and center dot OH-mediated photolysis of PS-NPs suspensions, are identified by mass spectrometry. Irradiation of a PS-NPs suspension under natural sunlight for 1 year has shown the formation of formic acid and organic compounds similar to those found in riverine and cloud dissolved organic matter, which could contribute significantly to the dissolved organic matter in the aqueous phase. (C) 2020 Elsevier B.V. All rights reserved.

SDS of cas: 93-97-0. Welcome to talk about 93-97-0, If you have any questions, you can contact 20220118 or send Email.

Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com

An article Improvements in the Acylation of 3-Methylindole Using Amberlyst-15 WOS:000594368900011 published article about FRIEDEL-CRAFTS ACYLATION; RING-CLOSURE; INDOLES; EFFICIENT; CATALYST; ACID in [Vargas, Dario A.; Mendez, Leticia J.; Canepa, Alicia S.] Univ Nacl La Plata, Ctr Estudio Compuestos Organ CEDECOR, Dept Quim, Fac Ciencias Exactas, Calle 47 & 115, RA-1900 La Plata, Argentina; [Mendez, Leticia J.] Univ Nacl La Plata, Ctr Invest & Desarrollo Ciencias Aplicadas Dr Jor, Calle 47 257, RA-1900 La Plata, Argentina in 2020, Cited 31. The Name is Benzoic anhydride. Through research, I have a further understanding and discovery of 93-97-0. Formula: C14H10O3

A simple and efficient methodology for Friedel-Crafts acylation of 3-methylindole using Amberlyst 15 resin as catalyst is described. This methodology shows good selectivity towards the formation of the products of 2-acylation, (3-methyl-1H-indol-2-yl)ketones. Several advantages can be ascribed to Amberlyst 15, among them; are the ease of handling, quick separation from the reaction mixture and minimum or no production of the chemical residues that must be eliminated. Besides, the catalyst can be easily recycled and reused with a minimal loss in activity through 6 reaction cycles. The catalyst was characterized by FT-IR spectroscopy and superficial acidity.

Formula: C14H10O3. Bye, fridends, I hope you can learn more about C14H10O3, If you have any questions, you can browse other blog as well. See you lster.

Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com

Recommanded Product: Benzoic anhydride. Authors 20220118 in AMER CHEMICAL SOC published article about in [Zhang, Benxiang; He, Jiayan; Li, Yi; Song, Tao; Li, Chaozhong] Chinese Acad Sci, Ctr Excellence Mol Synth, Shanghai Inst Organ Chem, Key Lab Organofluorine Chem, Shanghai 200032, Peoples R China; [Fang, Yewen; Li, Chaozhong] Ningbo Univ Technol, Sch Mat & Chem Engn, Ningbo 315211, Peoples R China in 2021, Cited 95. The Name is Benzoic anhydride. Through research, I have a further understanding and discovery of 93-97-0

Acylphosphonates having the 5,5-dimethyl-1,3,2-dioxophosphinanyl skeleton are developed as efficient intermolecular radical acylation reagents, which enable the cobalt-catalyzed Markovnikov hydroacylation of unactivated alkenes at room temperature under mild conditions. The protocol exhibits broad substrate scope and wide functional group compatibility, providing branched ketones in satisfactory yields. A mechanism involving the Co-H mediated hydrogen atom transfer and subsequent trapping of alkyl radicals by acylphosphonates is proposed.

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Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com

I found the field of Chemistry very interesting. Saw the article Rhodium(III)-Catalyzed C-H Activation: A Cascade Approach for the Regioselective Synthesis of Fused Heterocyclic Lactone Scaffolds published in 2020. Category: isothiazole, Reprint Addresses Prabhu, KR (corresponding author), Indian Inst Sci, Dept Organ Chem, Bangalore 560012, Karnataka, India.. The CAS is 93-97-0. Through research, I have a further understanding and discovery of Benzoic anhydride

A Rh(III)-catalyzed cascade C-H activation; regioselective [4 + 2] oxidative annulation; and lactonization of aromatic acids, anhydrides, and acrylic acid derivatives with 4-hydroxy-2-alkynoates have been disclosed. This strategy leads to fused heterocyclic lactone scaffolds in a single step with moderate functional group tolerance and excellent site selectivity. Besides, in one step, an antipode of the cephalosol intermediate natural product that contains a tricyclic isocoumarin framework has been synthesized.

Welcome to talk about 93-97-0, If you have any questions, you can contact Kumar, A; Prabhu, KR or send Email.. Category: isothiazole

Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com