Category: 112-63-0

Ferreira, Aurelia R. O.; Silvestre-Albero, Joaquin; Maier, Martin E.; Ricardo, Nagila M. P. S.; Cavalcante, Celio L. Jr.; Luna, F. Murilo T. published the artcile< Sulfonated activated carbons as potential catalysts for biolubricant synthesis>, Recommanded Product: (9Z,12Z)-Methyl octadeca-9,12-dienoate, the main research area is sulfonated activated carbon potential catalyst biolubricant synthesis.

In this study, sulfonated activated carbons have been prepared, under different conditions, with the purpose of evaluating the effect of the nature and amount of sulfonic surface groups on the esterification reaction of free fatty acids (FFA) with different long-chain alcs. The synthesized catalysts were characterized using different techniques and 1H NMR was used for monitoring the reaction products. The modifications of the surface functionalities were assessed by XPS and Thermogravimetric anal. (TGA), while changes in the porous network and morphol. of the samples were evaluated before and after the treatment of the original activated carbon sample. XPS results showed the presence of two types of sulfur, one from thiophenic sulfur (present on all materials, including the unmodified sample), and the other from sulfonic groups (SO3H), at 168 eV (present only in the modified samples). These catalysts were applied in the esterification reaction and presented excellent catalytic performances, while the original activated carbon exhibited conversions similar to reactions without any catalyst. On the other hand, the conversion of fatty acids when using the modified carbons improves significantly with values up to é–?00% to mono alcs. and 70% to trimethylolpropane.

Molecular Catalysis published new progress about Esterification. 112-63-0 belongs to class esters-buliding-blocks, and the molecular formula is C19H34O2, Recommanded Product: (9Z,12Z)-Methyl octadeca-9,12-dienoate.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Xu, Pengfei; Westhoff, Mike-Andrew; Hadzalic, Amina; Debatin, Klaus-Michael; Winiarski, Lukasz; Oleksyszyn, Jozef; Wirtz, Christian Rainer; Knippschild, Uwe; Burster, Timo published the artcile< Diisothiocyanate-Derived Mercapturic Acids Are a Promising Partner for Combination Therapies in Glioblastoma>, Quality Control of 112-63-0, the main research area is glioblastoma diisothiocyanate mercapturate dinaciclib temozolomide combination therapy.

Glioblastoma represents the most aggressive tumor of the central nervous system. Due to invasion of glioblastoma stem cells into the healthy tissue, chemoresistance, and recurrence of the tumor, it is difficult to successfully treat glioblastoma patients, which is demonstrated by the low life expectancy of patients after standard therapy treatment. Recently, we found that diisothiocyanate-derived mercapturic acids, which are isothiocyanate derivatives from plants of the Cruciferae family, provoked a decrease in glioblastoma cell viability. These findings were extended by combining diisothiocyanate-derived mercapturic acids with dinaciclib (a small-mol. inhibitor of cyclin-dependent kinases with anti-proliferative capacity) or temozolomide (TMZ, standard chemotherapeutic agent) to test whether the components have a cytotoxic effect on glioblastoma cells when the dosage is low. Here, we demonstrate that the combination of diisothiocyanate-derived mercapturic acids with dinaciclib or TMZ had an additive or even synergistic effect in the restriction of cell growth dependent on the combination of the components and the glioblastoma cell source. This strategy could be applied to inhibit glioblastoma cell growth as a therapeutic interference of glioblastoma.

ACS Omega published new progress about Antiproliferative agents. 112-63-0 belongs to class esters-buliding-blocks, and the molecular formula is C19H34O2, Quality Control of 112-63-0.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Wang, Shuang; Viswanathan, Karthickeyan; Esakkimuthu, Sivakumar; Azad, Kalam published the artcile< Experimental investigation of high alcohol low viscous renewable fuel in DI diesel engine>, Computed Properties of 112-63-0, the main research area is alc viscosity renewable diesel engine fuel; Di-ethyl ether; Diesel engine; Engine characteristics; Ethanol; Orange oil methyl ester.

This study offered a comprehensive investigation on engine performance and emission characteristics of Kirloskar make tangentially vertical (TV1) model single-cylinder direct injection diesel engine fuelled with diesel as a benchmark fuel. Steam distilled orange oil was converted into orange oil Me ester (OME) by means of transesterification process. The phys. and chem. properties of fuels were measured and conformed to ASTM biodiesel standards and compared with diesel. Likewise, the chem. compositions of the prepared biodiesel were estimated by using GC-MS anal. OME comprises of 86.37% of (E)-3-propylidenecyclopentene (C8H12) in the maximum range. The presence of free fatty acids such as linoleic acid, palmitic acid and myristic acid in OME permits it to be the acceptable renewable resource for the production of biodiesel. Further, the work was progressed with the addition of oxygenated additives like ethanol and di-Et ether to OME to attain the improved fuel properties. Five and 10% volume of ethanol and di-Et ether were added to OME as oxygenated additives resp. OME10DEE showed higher performance characteristics than diesel and OME blends. Further, a significant reduction in HC, NOx and smoke emission was noticed with OME10DEE. The present work recommended the application of OME10DEE as an alternative fuel on account of its better engine performance and emission characteristics than other fuel blends.

Environmental Science and Pollution Research published new progress about Calophyllum inophyllum. 112-63-0 belongs to class esters-buliding-blocks, and the molecular formula is C19H34O2, Computed Properties of 112-63-0.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Knudsen, Andreas D.; Krebs-Demmer, Lisanne; Bjoerge, Natascha I. D.; Elming, Marie B.; Gelpi, Marco; Sigvardsen, Per E.; Lebech, Anne-Mette; Fuchs, Andreas; Kuhl, Joergen T.; Koeber, Lars; Lundgren, Jens; Nordestgaard, Boerge G.; Kofoed, Klaus F.; Nielsen, Susanne D. published the artcile< Pericardial adipose tissue volume is independently associated with human immunodeficiency virus status and prior use of stavudine, didanosine, or indinavir>, Related Products of 112-63-0, the main research area is didanosine stavudine antiviral agent adipose tissue immunodeficiency virus infection; HIV; cardiac computed tomography; comorbidity; obesity; pericardial fat.

Increased pericardial adipose tissue is associated with higher risk of cardiovascular disease. We aimed to determine whether human immunodeficiency virus (HIV) status was independently associated with larger pericardial adipose tissue volume and to explore possible HIV-specific risk factors. Persons with HIV (PWH) were recruited from the Copenhagen Comorbidity in HIV Infection (COCOMO) Study and matched 1:1 on age and sex to uninfected controls. Pericardial adipose tissue volume was measured using cardiac computed tomog. A total of 587 PWH and 587 controls were included. Median age was 52 years, and 88% were male. Human immunodeficiency virus status was independently associated with 17 mL (95% confidence interval [CI], 10-23; P <.001) larger pericardial adipose tissue volume Larger pericardial adipose tissue volume was associated with low CD4+ nadir and prior use of stavudine, didanosine, and indinavir. Among PWH without thymidine analog or didanosine exposure, time since initiating combination antiretroviral treatment (per 5-yr use) was associated with l6 mL (95% CI, -6 to -25; P = .002) lower pericardial adipose tissue volume Human immunodeficiency virus status was independently associated with larger pericardial adipose tissue volume Severe immunodeficiency, stavudine, didanosine, and indinavir were associated with larger pericardial adipose tissue volume Persons with HIV with prior exposure to these drugs may constitute a distinct cardiovascular risk population. Journal of Infectious Diseases published new progress about Adipose tissue (pericardial). 112-63-0 belongs to class esters-buliding-blocks, and the molecular formula is C19H34O2, Related Products of 112-63-0.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Mazzola, Maria Antonietta; Raheja, Radhika; Regev, Keren; Beynon, Vanessa; von Glehn, Felipe; Paul, Anu; Pierre, Isabelle; Kivisakk, Pia; Weiner, Howard L.; Gandhi, Roopali published the artcile< Monomethyl fumarate treatment impairs maturation of human myeloid dendritic cells and their ability to activate T cells>, Application In Synthesis of 112-63-0, the main research area is mono dimethyl fumarate human myeloid dendritic cell maturation; Multiple sclerosis; NF-kB; co-stimulatory molecules; dimethyl fumarate; monomethyl fumarate; myeloid dendritic cells.

Background:: Di-Me fumarate (DMF) and its active metabolite monomethyl fumarate (MMF) effectively lead to reduction in disease relapses and active magnetic resonance imaging (MRI) lesions. DMF and MMF are known to be effective in modulating T- and B-cell responses; however, their effect on the phenotype and function of human myeloid dendritic cells (mDCs) is not fully understood. Objective:: To investigate the role of MMF on human mDCs maturation and function. Methods:: mDCs from healthy controls were isolated and cultured in vitro with MMF. The effect of MMF on mDC gene expression was determined by polymerase chain reaction (PCR) array after in vitro MMF treatment. The ability of mDCs to activate T cells was assessed by in vitro co-culture system. mDCs from DMF-treated multiple sclerosis (MS) patients were analyzed by flow cytometry and PCR. Results:: MMF treatment induced a less mature phenotype of mDCs with reduced expression of major histocompatibility complex class II (MHC-II), co-stimulatory mols. CD86, CD40, CD83, and expression of nuclear factor 榄廈 (NF-榄廈) subunits RELA and RELB. mDCs from DMF-treated MS patients also showed the same immature phenotype. T cells co-cultured with MMF-treated mDCs showed reduced proliferation with decreased production of interferon gamma (IFN-ç»?, interleukin-17 (IL-17), and granulocyte-macrophage colony-stimulating factor (GM-CSF) compared to untreated cells. Conclusion:: We report that MMF can modulate immune response by affecting human mDC function.

Multiple Sclerosis Journal published new progress about B cell. 112-63-0 belongs to class esters-buliding-blocks, and the molecular formula is C19H34O2, Application In Synthesis of 112-63-0.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Moujalled, Diane; Southon, Adam G.; Saleh, Eiman; Brinkmann, Kerstin; Ke, Francine; Iliopoulos, Melinda; Cross, Ryan S.; Jenkins, Misty R.; Nhu, Duong; Wang, Zilu; Shi, Melissa X.; Kluck, Ruth M.; Lessene, Guillaume; Grabow, Stephanie; Bush, Ashley I.; Strasser, Andreas published the artcile< BH3 mimetic drugs cooperate with Temozolomide, JQ1 and inducers of ferroptosis in killing glioblastoma multiforme cells>, Quality Control of 112-63-0, the main research area is temozolomide anticancer agent ferroptosis glioblastoma multiforme.

Glioblastoma multiforme (GBM) is the most common and aggressive form of brain cancer, with treatment options often constrained due to inherent resistance of malignant cells to conventional therapy. We investigated the impact of triggering programmed cell death (PCD) by using BH3 mimetic drugs in human GBM cell lines. We demonstrate that co-targeting the pro-survival proteins BCL-XL and MCL-1 was more potent at killing six GBM cell lines compared to conventional therapy with Temozolomide or the bromodomain inhibitor JQ1 in vitro. Enhanced cell killing was observed in U251 and SNB-19 cells in response to dual treatment with TMZ or JQ1 combined with a BCL-XL inhibitor, compared to single agent treatment. This was reflected in abundant cleavage/activation of caspase-3 and cleavage of PARP1, markers of apoptosis. U251 and SNB-19 cells were more readily killed by a combination of BH3 mimetics targeting BCL-XL and MCL-1 as opposed to dual treatment with the BCL-2 inhibitor Venetoclax and a BCL-XL inhibitor. The combined loss of BAX and BAK, the essential executioners of intrinsic apoptosis, rendered U251 and SNB-19 cells refractory to any of the drug combinations tested, demonstrating that apoptosis is responsible for their killing. In an orthotopic mouse model of GBM, we demonstrate that the BCL-XL inhibitor A1331852 can penetrate the brain, with A1331852 detected in both tumor and healthy brain regions. We also investigated the impact of combining small mol. inducers of ferroptosis, erastin and RSL3, with BH3 mimetic drugs. We found that a BCL-XL or an MCL-1 inhibitor potently cooperates with inducers of ferroptosis in killing U251 cells. Overall, these findings demonstrate the potential of dual targeting of distinct PCD signalling pathways in GBM and may guide the utility of BCL-XL inhibitors and inducers of ferroptosis with standard of care treatment for improved therapies for GBM.

Cell Death & Differentiation published new progress about Antitumor agents. 112-63-0 belongs to class esters-buliding-blocks, and the molecular formula is C19H34O2, Quality Control of 112-63-0.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Carlone, Armando; Bernardi, Luca; McCormack, Peter; Warr, Tony; Oruganti, Srinivas; Cobley, Christopher J. published the artcile< Asymmetric Organocatalysis and Continuous Chemistry for an Efficient and Cost-Competitive Process to Pregabalin>, HPLC of Formula: 112-63-0, the main research area is methyl nitropentene dimethyl malonate cinchona catalyst enantioselective conjugate addition; dimethyl methyl nitropentanyl propanedioate preparation.

The scale up development of an innovative synthetic process to pregabalin was reported. The process is underpinned by two enabling technologies critical to its success; continuous chem. allowed a safe and clean production of nitroalkene, and asym. organocatalysis gave access to the chiral intermediate in an enantioenriched form. Crucial to the success of the process was the careful development of a continuous process to nitroalkene and optimization of the organocatalyst and of the reaction conditions to attain remarkably high turn-over frequency in the catalytic asym. reaction. Successful recycle of the organocatalysts was also developed in order to achieve a cost-competitive process.

Organic Process Research & Development published new progress about Alkanes, nitro Role: SPN (Synthetic Preparation), PREP (Preparation). 112-63-0 belongs to class esters-buliding-blocks, and the molecular formula is C19H34O2, HPLC of Formula: 112-63-0.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Baumeister, Bodo; Beythien, J.; Ryf, J.; Schneeberger, P.; White, Peter D. published the artcile< Evaluation of biotin-OSu and biotin-ONp in the solid phase biotinylation of peptides>, Recommanded Product: (9Z,12Z)-Methyl octadeca-9,12-dienoate, the main research area is biotin succinimidyl nitrophenyl ester solid phase biotinylation peptide.

Biotinyl-oxysuccinimide and biotin p-nitrophenyl ester were evaluated in the solid phase synthesis of biotinylated peptides. Biotin p-nitrophenyl ester was found to be superior in terms of solubility and reactivity.

International Journal of Peptide Research and Therapeutics published new progress about Biotinylation (solid-phase). 112-63-0 belongs to class esters-buliding-blocks, and the molecular formula is C19H34O2, Recommanded Product: (9Z,12Z)-Methyl octadeca-9,12-dienoate.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Reeves, W. Preston; Lu, Cuong V.; Russel, Jonathon S. published the artcile< Bromination of aniline with pyridinium hydrobromide perbromide: some mechanistic considerations>, Computed Properties of 112-63-0, the main research area is bromination aniline pyridinium hydrobromide perbromide mechanism; solvent effect bromination aniline pyridinium salt.

In aqueous polar solvents it is suggested that both pyridinium hydrobromide perbromide and mol. bromine are involved in the bromination of aniline.

Mendeleev Communications published new progress about Bromination. 112-63-0 belongs to class esters-buliding-blocks, and the molecular formula is C19H34O2, Computed Properties of 112-63-0.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

White, Kris; Esparza, Matthew; Liang, Jue; Bhat, Prasanna; Naidoo, Jacinth; McGovern, Briana L.; Williams, Michael A. P.; Alabi, Busola R.; Shay, Jerry; Niederstrasser, Hanspeter; Posner, Bruce; Garcia-Sastre, Adolfo; Ready, Joseph; Fontoura, Beatriz M. A. published the artcile< Aryl Sulfonamide Inhibits Entry and Replication of Diverse Influenza Viruses via the Hemagglutinin Protein>, HPLC of Formula: 112-63-0, the main research area is aryl sulfonamide preparation influenza virus entry replication hemagglutinin.

Influenza viruses cause approx. half a million deaths every year worldwide. Vaccines are available but partially effective, and the number of antiviral medications is limited. Thus, it is crucial to develop therapeutic strategies to counteract this major pathogen. Influenza viruses enter the host cell via their hemagglutinin (HA) proteins. The HA subtypes of influenza A virus are phylogenetically classified into groups 1 and 2. Here, we identified an inhibitor of the HA protein, a tertiary aryl sulfonamide, that prevents influenza virus entry and replication. This compound shows potent antiviral activity against diverse H1N1, H5N1, and H3N2 influenza viruses encoding HA proteins from both groups 1 and 2. Synthesis of derivatives of this aryl sulfonamide identified moieties important for antiviral activity. This compound may be considered as a lead for drug development with the intent to be used alone or in combination with other influenza A virus antivirals to enhance pan-subtype efficacy.

Journal of Medicinal Chemistry published new progress about Antiviral agents. 112-63-0 belongs to class esters-buliding-blocks, and the molecular formula is C19H34O2, HPLC of Formula: 112-63-0.

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics