Category: 112-63-0

Blauenstein, Peter; Remy, Nathalie; Buck, Alfred; Ametamey, Simon; Haberli, Marc; Schubiger, P. August published the artcile< In vivo properties of N-(2-aminoethyl)-5-halogeno-2-pyridinecarboxamide 18F- and 123I-labeled reversible inhibitors of monoamine oxidase B>, Recommanded Product: (9Z,12Z)-Methyl octadeca-9,12-dienoate, the main research area is iodo 123 pyridinecarboxylate brain imaging; fluoro 18 pyridinecarboxylate brain imaging; brain PET single photon emission tomog; MAO inhibitor brain imaging.

The reversible and highly selective monoamine oxidase B (MAO-B) inhibitor Ro 19-6327, a picolinic acid derivative, was selected for the development of new radiopharmaceuticals, whereby in place of Cl either 123I or 18F was introduced. The resp. labeling procedures have been described earlier. In this study, some metabolic properties were investigated. Blood and urine samples were analyzed, and halogenated picolinylglycine, a more hydrophilic compound, was identified as the main metabolite. This shows that the amine is oxidized to the resp. carboxylate, but the intermediate imine or aldehyde that was proposed earlier could not be detected. First experiments with single photon emission tomog. and positron emission tomog. (PET) showed that the iodo compound can be used to investigate MAO-B in vivo while the fluoro compound is accumulated in the brain to such a low degree that no PET studies can be performed. We conclude that the main reason for the poor uptake of the fluoro compound is its lower lipophilicity as compared to the iodo compound and, to a lesser degree, its metabolism, which is similar for both compounds

Nuclear Medicine and Biology published new progress about Brain. 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

Fan, MouPing; Chen, YuanMao; Ke, Xi; Huang, ZeXi; Chen, YouChen; Wu, WenLi; Qu, XiaoFeng; Shi, ZhiCong; Guo, ZaiPing published the artcile< In situ growth of NiS2 nanosheet array on Ni foil as cathode to improve the performance of lithium/sodium-sulfur batteries>, Safety of (9Z,12Z)-Methyl octadeca-9,12-dienoate, the main research area is nickel disulfide nanosheet foil growth lithium sodium sulfur battery.

The NiS2 nanosheet array on Ni foil (NiS2/NF) was prepared using an in situ growth strategy and sulfidation method and was used as the cathode of lithium sulfur battery. The unique nanostructure of the NiS2nanosheet array can provide abundant active sites for the adsorption and chem. action of polysulfides. Compared with the sulfur powder coated pure NF (pure NF-S) for lithium sulfur battery, the sulfur powder coated NiS2/NF (NiS2/NF-S) electrode exhibits superior electrochem. performance. Specifically, the NiS2/NF-S delivered a high reversible capacity of 1007.5 mAh g-1 at a c.d. of 0.1 C (1 C= 1675 mA g-1) and kept 74.5% of the initial capacity at 1.0 C after 200 cycles, indicating the great promise of NiS2/NF-S as the cathode of lithium sulfur battery. In addition, the NiS2/NF-S electrode also showed satisfactory electrochem. performance when used as the cathode for sodium sulfur battery.

Science China: Technological Sciences published new progress about Adsorption. 112-63-0 belongs to class esters-buliding-blocks, and the molecular formula is C19H34O2, Safety of (9Z,12Z)-Methyl octadeca-9,12-dienoate.

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

Thakur, Subhash; Kumar, Narendra; Salunke, Pravin; Ahuja, Chirag; Madan, Renu published the artcile< A randomized study of short course (one week) radiation therapy with or without temozolomide in elderly and/or frail patients with newly diagnosed glioblastoma (GBM)>, Name: (9Z,12Z)-Methyl octadeca-9,12-dienoate, the main research area is Glioblastoma; Short Course Radiotherapy; Temozolomide.

Objective: Short-course radiotherapy (25 Gy in 5 fractions) has been shown to be non-inferior to standard course radiotherapy in elderly and frail patients (60 Gy in 30 fractions). The purpose of this study was to determine the effects of temozolomide combined with short-course radiotherapy on the outcome of elderly and frail patients. Methods: Between Jan. 2017 and Nov. 2018, 90 patients (65 years old and KPS score of 50-70; 65 years old and KPS score of 80-100; and 65 years old and KPS score of 50-70) were assessed for eligibility. Nine patients were excluded because they did not meet the inclusion criteria, six patients declined to participate, and four patients were unable to complete the quality-of-life questionnaire. The remaining 71 patients were divided into two arms at random in a 1:1 ratio. Short-course radiotherapy with concurrent temozolomide and adjuvant temozolomide was given to Arm 1, while short-course radiotherapy alone was given to Arm 2. Results: In terms of overall survival and progression-free survival, radiotherapy with concurrent temozolomide and adjuvant temozolomide outperformed short-course radiotherapy alone. The median overall survival in arm 1 was 146 days and 121 days in arm 2 (P=0.146). The median progression-free survival in arm 1 was 109.50 days, while it was 77 days in arm 2 (P=0.028). With a median follow-up time of 6 mo, the quality of life at 4 wk and 12 wk after treatment was not different between the two arms. Conclusion: We concluded that adding temozolomide to short-course radiotherapy significantly improved progression-free survival and showed an increasing trend in overall survival without compromising the quality of life.

Asian Pacific Journal of Cancer Prevention published new progress about 112-63-0. 112-63-0 belongs to class esters-buliding-blocks, and the molecular formula is C19H34O2, Name: (9Z,12Z)-Methyl octadeca-9,12-dienoate.

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

Bendjeddou, Lyamin Z.; Loaec, Nadege; Villiers, Benoit; Prina, Eric; Spath, Gerald F.; Galons, Herve; Meijer, Laurent; Oumata, Nassima published the artcile< Exploration of the imidazo[1,2-b]pyridazine scaffold as a protein kinase inhibitor>, Category: esters-buliding-blocks, the main research area is imidazopyridazine preparation antileishmanial cytotoxicity protein kinase inhibitor human; CLKs; Imidazo[1,2-b]pyridazine; Kinase inhibitor; Leishmania, DYRK1A; Unicellular parasites.

3,6-Disubstituted imidazo[1,2-b]pyridazine derivatives were synthesized to identify new inhibitors of various eukaryotic kinases, including mammalian and protozoan kinases. Among the imidazo[1,2-b]pyridazines tested as kinase inhibitors, several derivatives were selective for DYRKs and CLKs, with IC50 < 100 nM. The characterization of the kinome of several parasites, such as Plasmodium and Leishmania, has pointed out profound divergences between protein kinases of the parasites and those of the host. The activities of the prepared compounds against 11 parasitic kinases was investigated. 3,6-Disubstituted imidazo[1,2-b]pyridazines showed potent inhibition of Plasmodium falciparum CLK1 (PfCLK1). Compound I was found to be the most selective product against CLK1 (IC50 = 82 nM), CLK4 (IC50 = 44 nM), DYRK1A (IC50 = 50 nM), and PfCLK1 (IC50 = 32 nM). The compounds were also tested against Leishmania amazonensis. Several compounds showed anti-leishmanial activity at rather high (10 μM) concentration, but were not toxic at 1 μM or 10 μM, as judged by viability assays carried out using a neuroblastoma cell line. European Journal of Medicinal Chemistry published new progress about Cytotoxicity. 112-63-0 belongs to class esters-buliding-blocks, and the molecular formula is C19H34O2, Category: esters-buliding-blocks.

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

Karnjanakom, Surachai; Maneechakr, Panya; Samart, Chanatip; Kongparakul, Suwadee; Guan, Guoqing; Bayu, Asep published the artcile< Direct conversion of sugar into ethyl levulinate catalyzed by selective heterogeneous acid under co-solvent system>, Computed Properties of 112-63-0, the main research area is sugar ethyl levulinate catalyzed acid solvent system.

The direct synthesis of Et levulinate (EL) from sucrose was investigated under co-solvent of THF/ethanol over stable/active heterogeneous acid catalyst. Several Lewis acid-metal oxides were doped onto Bronsted acid-sulfonated carbon (SC) and the results found that Zn-SC exhibited highest activity for production of EL from sucrose conversion of 100% with a selectivity of 72.1%. The catalytic mechanism for conversion of sucrose into EL and other products was investigated through significant effects such as catalyst type, co-solvent and ultrasonic application. The catalyst reusability test exhibited high stability for five cycles and then dramatically decreased without any regeneration process.

Catalysis Communications published new progress about Biomass. 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

Wang, Jubo; Quan, Yu; Lv, Jian; Gong, Shouping; Ren, Pengyu published the artcile< Inhibition of FAM83D displays antitumor effects in glioblastoma via down-regulation of the AKT /Wnt/β-catenin pathway>, Application In Synthesis of 112-63-0, the main research area is FAM83D antitumor glioblastoma; AKT; FAM83D; Wnt; glioblastoma.

Up-regulation of family with sequence similarity 83 member D (FAM83D) has been acknowledged as a vital contributor for the carcinogenesis of numerous cancers. The relevance of FAM83D in glioblastoma (GBM), however, is not well understood. This current work aimed to determine the possible roles and mechanisms of FAM83D in GBM. By analyzing The Cancer Genome Atlas (TCGA) data, we found dramatic increases in FAM83D expression in GBM tissue. We also observed elevated levels of FAM83D in the clin. specimens of GBM. In vitro data showed that silencing FAM83D resulted in remarkable antitumor effects via inhibiting the proliferation, invasion and epithelial-mesenchymal transition of GBM cells. Moreover, the knockdown of FAM83D improved sensitivity to the chemotherapy drug temozolomide. In-depth mechanism research revealed that the silencing of FAM83D strikingly decreased the phosphorylation levels of AKT and glycogen synthase kinase-3β, and prohibited activation of the Wnt/β-catenin pathway. The suppression of AKT abolished FAM83D-mediated activation of the Wnt/β-catenin pathway. The re-expression of β-catenin reversed FAM83D-silencing-induced antitumor effects in GBM cells. In addition, GBM cells with FAM83D silencing exhibited reduced tumorigenic potential in vivo. Overall, the data from this work show that the inhibition of FAM83D displays antitumor effects in GBM via down-regulation of the AKT/Wnt/β-catenin pathway and propose FAM83D as a new therapeutic target for GBM.

Environmental Toxicology published new progress about Antitumor agents. 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

Zhu, Tingshun; Mou, Chengli; Li, Baosheng; Smetankova, Marie; Song, Bao-An; Chi, Yonggui Robin published the artcile< N-Heterocyclic Carbene-Catalyzed δ-Carbon LUMO Activation of Unsaturated Aldehydes>, Quality Control of 112-63-0, the main research area is heterocyclic carbene catalyzed domino reaction LUMO activation diunsatd enal; multisubstituted arene preparation chemoselective regioselective; ylidenephthalide preparation chemoselective regioselective; unsaturated aldehyde domino reaction heterocyclic carbene NHC organocatalyst.

An N-heterocyclic carbene (NHC) catalyzed domino reaction triggered by a δ-LUMO activation of α,β-γ,δ-diunsatd. enal has been developed for the formal [4 + 2] construction of multisubstituted arenes and 3-ylidenephthalide. These two products, formed in a highly chemo- and regioselective manner, were obtained via different catalytic pathways due to a simple change of the substrate. The activation of the remote δ-carbon of unsaturated aldehydes expands the synthetic potentials of NHC organocatalysis.

Journal of the American Chemical Society published new progress about Addition reaction catalysts (Michael addition). 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

Thompson, Alicia L. S.; Kabalka, George W.; Akula, Murthy R.; Huffman, John W. published the artcile< The conversion of phenols to the corresponding aryl halides under mild conditions>, Electric Literature of 112-63-0, the main research area is aryl triflate preparation Pd catalyzed borylation copper promoted bromination; phenol sulfonylation Pd catalyzed borylation sodium promoted iodination; halide aryl preparation.

Mild, novel procedures were developed for the syntheses of aryl halides from the corresponding phenols in modest to good yields via boronate ester intermediates. E.g., Phenol reacted with Tf2O/py/CH2Cl2 to give PhOTf intermediate which subsequently reacted with bis(neopentyl glycolato)diboron in the presence of PdCl2 catalyst/KOAc/dppf/dioxane at 80° to give a neopentylboronate ester which then reacts with NaI/chloramine-T to give PhI in 58% yield.

Synthesis published new progress about Aryl halides Role: SPN (Synthetic Preparation), PREP (Preparation). 112-63-0 belongs to class esters-buliding-blocks, and the molecular formula is C19H34O2, Electric Literature of 112-63-0.

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

Chen, Yanxia; Fan, Xiaodi; Ma, Kun; Wang, Kaili; Tian, Caidie; Li, Min; Gong, Linjuan published the artcile< Bushen Culuan decoction ameliorates premature ovarian insufficiency by acting on the Nrf2/ ARE signaling pathway to alleviate oxidative stress>, Quality Control of 112-63-0, the main research area is premature ovarian insufficiency Nrf2 ARE oxidative stress BCD; Bushen Culuan Decoction; Nrf2/ARE; Tripterygium wilfordii polyglycosidium; oxidative stress; premature ovarian insufficiency.

Premature ovarian insufficiency (POI) can result in lower fertility and shorten the female reproductive span. Bushen-Culuan Decoction (BCD) is a traditional Chinese medication utilized for treating POI for many years. We previously observed that BCD protects against further deterioration of the ovarian reserve of POI patients, however, the underlying mechanism has not been well studied. Our investigation seeks to evaluate the effect of BCD on POI induced by Tripterygium wilfordii polyglycosidium (TWP) and the likely mechanistic pathways, which we hypothesize may involve the Nrf2/ARE pathway. The body weights, estrous cycle, serum hormone levels, histol. follicular anal. and quantification, levels of oxidative stress biomarkers in the ovarian tissue of POI mice models were evaluated. Western blotting and RT-PCR enabled quantification of the components of the Nrf2/ARE pathway. Our results showed that BCD restored hormonal profiles and estrous cycles of POI mice similar to those observed in healthy controls. BCD reduced the numbers of atretic follicles while increasing the number of primordial follicles. BCD facilitated lower 8-OHdG and MDA levels while increasing levels of key antioxidant enzymes including GSH-Px, CAT, and SOD. Furthermore, TWP increased Bach 1, Nrf2, and Keap 1 expressions at the translational level, while decreased that of HO-1. BCD treatment also promoted nuclear translocation rates of Bach 1 and Nrf2, suppressed Keap 1 protein expression, as well as raised HO-1 protein expression. Taken together, BCD likely augments ovarian reserve by activating the Nrf2/ARE signaling pathway, which stimulated higher levels of antioxidants and suppressed oxidative stress. BCD may be an important therapeutic compound in POI.

Frontiers in Pharmacology published new progress about Angelica sinensis. 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

Teng, Zhiyan; Zheng, Weiwei; Jiang, Shufang; Hong, Seung-Beom; Zhu, Zhujun; Zang, Yunxiang published the artcile< Role of melatonin in promoting plant growth by regulating carbon assimilation and ATP accumulation>, COA of Formula: C19H34O2, the main research area is transcriptome adenosine triphosphate carbon melatonin plant growth; ATP accumulation; Carbon assimilation; Melatonin; Plant growth.

Melatonin (MT) is a phytohormone important in mediating diverse plant growth processes. In this study, we performed transcriptomic, qRT-PCR, physiol. and biochem. analyses of Brassica rapa seedlings in order to understand how MT promotes plant growth. The results showed that exogenous MT increased the rate of cyclic electron flow around photosystem (PS) I, fluorescence quantum yield, and electron transport efficiency between PSII and PSI to promote the vegetative growth of B. rapa seedlings without affecting oxidative stress level, as compared to control. However, MT treatment significantly reduced photosynthetic rate (Pn), transpiration rate (Tr), and stomatal conductance (Gs) by 2.25-, 1.23- and 3.50-fold at 0.05 level, resp. This occurred in parallel with the down-regulation of the genes for carbon fixation in photosynthetic organisms in a KEGG pathway enrichment. More accelerated plant growth despite the reduced photosynthesis rate and the enhanced electron transport rate suggested that NADPH and ATP (ATP) were preferentially diverted into other anabolic reactions than the Calvin cycle upon MT application. MT treatment increased ATP level and facilitated carbon assimilation into primary metabolism that led to a significant enhancement of soluble protein, sucrose, and fructose, but a significant decrease in glucose content. MT-induced carbon assimilation into primary metabolism was driven by up-regulation of the genes for glutathione metabolism, Krebs cycle, ribosome, and DNA replication in a KEGG pathway enrichment, as well as down-regulation of the genes for secondary metabolites. Our results provide an insight into MT-mediated metabolic adjustments triggered by coordinate changes in a wide range of gene expression profiles to help improve the plant functionality.

Plant Science (Shannon, Ireland) published new progress about Brassica oleracea capitata. 112-63-0 belongs to class esters-buliding-blocks, and the molecular formula is C19H34O2, COA of Formula: C19H34O2.

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