Category: 1611-56-9

Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 1611-56-9, name is 11-Bromoundecan-1-ol. This compound has unique chemical properties. The synthetic route is as follows. Safety of 11-Bromoundecan-1-ol

Oxalyl chloride (2.0 ml_, 24 mmol) was dissolved in dichloromethane (80 ml_) in an oven-dried 250-mL round-bottom flask, equipped with stir bar, in an argon atmosphere. The reaction mixture was cooled in a dry ice/acetone bath, before adding dimethyl sulfoxide (3.4 ml_, 48 mmol) in dichloromethane (10 ml_), dropwise. The reaction mixture was aged 5 mins before adding bromoundecanol (5.0 g, 20 mmol) in dichloromethane (20 ml_), dropwise. The reaction mixture was aged 5 mins before adding triethylamine (13.9 ml_, 100 mmol), dropwise. The reaction mixture was aged 10 mins before the bath was removed, and the reaction mixture allowed to warm slowly to ambient temperature. Dichloromethane (50 ml_) and deionized water (50 ml_) were added and the resulting layers separated. The aqueous layer was extracted with dichloromethane (50 ml_). The combined organic layers were washed with 1.2 M HCI (2 X 50 ml_) and brine (50 ml_). The organic layer was dried over MgS04 and the solvents removed in vacuo. The resulting yellow oil was filtered through a plug of silica, eluting with 10:1 v/v hexanes:ethyl acetate to afford the product as a white, waxy solid (4.57g, 92 %).

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Reference:
Patent; TDA RESEARCH, INC.; MARTIN, Rhia, M.; GIN, Douglas, L.; NOBLE, Richard, D.; NGUYEN, Vinh, The; ELLIOTT, Brian, J.; (0 pag.)WO2020/14263; (2020); A1;,
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Adding a certain compound to certain chemical reactions, such as: 1611-56-9, 11-Bromoundecan-1-ol, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound, SDS of cas: 1611-56-9, blongs to alcohols-buliding-blocks compound. SDS of cas: 1611-56-9

General procedure: Tetrahydropyranylation reactions were carried out in a round bottom flask equipped with a reflux condenser, a CaCl2 tube and a magnetic stirring bar. To a solution of 1.0 × 10-2 mol of compound 1 in 2.5 mL of the solvent (CPME or 2-MeTHF) were added 1.1 × 10-2 mol (0.93 g, 1.0 mL) of 2,3-dihydropyran (2) and the required amount of the catalyst (3.3 × 10-4 or 3.3 × 10-5 mol; see Table 1 and Schemes 1 and 2). The resulting mixtures were vigorously stirred for the reported time at the reported temperature (Table 1 and Schemes 1 and 2). The crude mixtures were filtered, the solvent evaporated and the crude product analyzed by 1H-NMR spectroscopy to determine the conversion of compound 1, then purified and characterized as reported below.

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Reference:
Article; Azzena, Ugo; Carraro, Massimo; Modugno, Gloria; Pisano, Luisa; Urtis, Luigi; Beilstein Journal of Organic Chemistry; vol. 14; (2018); p. 1655 – 1659;,
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Related Products of 1611-56-9, Catalysts allow a reaction to proceed via a pathway that has a lower activation energy than the uncatalyzed reaction. 1611-56-9, Name is 11-Bromoundecan-1-ol, SMILES is OCCCCCCCCCCCBr, belongs to alcohols-buliding-blocks compound. In a article, author is Kong, Qingyao, introduce new discover of the category.

Alcohol use disorder (AUD) is one of the foremost public health problems. Alcohol is also frequently co-abused with cocaine. There is a huge unmet need for the treatment of AUD and/or cocaine co-abuse. We recently demonstrated that skin grafts generated from mouse epidermal stem cells that had been engineered by CRISPR-mediated genome editing could be transplanted onto mice as a gene delivery platform. Here, we show that expression of the glucagon-like peptide-1 (GLP1) gene delivered by epidermal stem cells attenuated development and reinstatement of alcohol-induced drug-taking and seeking as well as voluntary oral alcohol consumption. GLP1 derived from the skin grafts decreased alcohol-induced increase in dopamine levels in the nucleus accumbens. In exploring the potential of this platform in reducing concurrent use of drugs, we developed a novel co-grafting procedure for both modified human butyrylcholinesterase (hBChE)- and GLP1-expressing cells. Epidermal stem cell-derived hBChE and GLP1 reduced acquisition of drug-taking and toxicity induced by alcohol and cocaine co-administration. These results imply that cutaneous gene delivery through skin transplants may add a new option to treat drug abuse and co-abuse.

Related Products of 1611-56-9, Enzymes are biological catalysts that produce large increases in reaction rates and tend to be specific for certain reactants and products. I hope my blog about 1611-56-9 is helpful to your research.

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Enzymes are biological catalysts that produce large increases in reaction rates and tend to be specific for certain reactants and products. 1611-56-9, Name is 11-Bromoundecan-1-ol, molecular formula is C11H23BrO, belongs to alcohols-buliding-blocks compound. In a document, author is Blom, Martine, introduce the new discover, Category: alcohols-buliding-blocks.

Long-term effectiveness of the alcohol ignition interlock programme: A retrospective cohort study in the Netherlands

This article provides an evaluation of the long-term effectiveness of the Alcohol Ignition Interlock Programme (AIIP) on recidivism. A retrospective cohort design was used to compare the known reoffending behaviour of 1676 AIIP participants with that of 907 persons in a control group, consisting of offenders who committed an AIIP-worthy driving-under-the-influence (DUI) offence that was not reported to the Dutch driving license authority. Persons in the control group were not sanctioned with an AIIP, but had their case settled in the criminal court. Our outcome measure was the percentage of offenders who committed at least one new DUI offence within the follow-up period. Results indicate that the percentage of repeat offenders in the AIIP group was lower than in the control group. Additional analyses indicate that were an AIIP to be imposed alongside a criminal settlement, a recidivism reduction of 4 percentage points (4 % versus 8 %) could be expected. This would translate to a relative decrease of 54 %. Explanations for these findings are discussed.

Balanced chemical reaction does not necessarily reveal either the individual elementary reactions by which a reaction occurs or its rate law. In my other articles, you can also check out more blogs about 1611-56-9. Category: alcohols-buliding-blocks.

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One of the major reasons for studying chemical kinetics is to use measurements of the macroscopic properties of a system, such as the rate of change in the concentration of reactants or products with time. 1611-56-9, Name is 11-Bromoundecan-1-ol, formurla is C11H23BrO. In a document, author is Akcan, Gizem, introducing its new discovery. Recommanded Product: 1611-56-9.

The investigation of the mediating role of coping trategies on the relationship between childhood traumas, depression and alcohol use disorder in university students

The aim of this study is to investigate the mediating effect of coping strategies on the relationship among childhood traumas, depression, and alcohol use disorder in university students. The participants of this study consisted of 735 (209 males and 526 females) university students. Participants completed measures of depressive symptoms, childhood traumas, problematic alcohol consumption, and coping strategies as well as a socio-demographic information form. According to results, coping strategies fully mediated the relationship between childhood traumas and alcohol use disorder, and partially mediated the relationship between childhood traumas and depression.

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A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, Safety of 11-Bromoundecan-1-ol, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 1611-56-9, Name is 11-Bromoundecan-1-ol, molecular formula is C11H23BrO. In an article, author is Sokolovsky, Alexander W.,once mentioned of 1611-56-9.

Preliminary impact of the COVID-19 pandemic on smoking and vaping in college students

We examined tobacco use changes in young adult college students in the context of the COVID-19 pandemic, focusing on smoking and vaping. First, we evaluated changes in tobacco use from pre to post campus closure focusing on smoking and electronic nicotine vaping frequency (days) and quantity (cigarettes/cartridges per day). Also, given the potential protective effects of pausing (temporarily or permanently discontinuing) smoking or vaping, we evaluated its predictors. We hypothesized that generalized anxiety and moving home would increase the odds of pausing. We also explored effects of COVID-related news exposure and seeking on tobacco use. We re-contacted young adults two years after they completed a study on alcohol and marijuana co-use. A subset (N = 83; 26.6% of the 312 respondents) were enrolled in college and reported use of cigarettes (n = 35) and/or e cigarettes (n = 69) in the week prior to their campus closing (PC). Paired sample t-tests compared smoking and vaping frequency and quantity PC to past-week use since closing (SC). Multivariate logistic regression models were fit to examine predictors of pausing. Both smoking and vaping frequency decreased from PC to SC; however, decreased frequency did not correspond to reduced quantity. Twenty-four participants (28.9%) paused past-week use SC. Higher anxiety and moving home (versus living independently) were related to increased odds of pausing, whereas COVID-19 related news exposure and seeking were related to decreased odds of pausing. Characterizing COVID-19 related tobacco use change provides insights into how college students respond to novel health threats and informs potential interventions.

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Reactions catalyzed within inorganic and organic materials and at electrochemical interfaces commonly occur at high coverage and in condensed media, causing turnover rates to depend strongly on interfacial structure and composition, 1611-56-9, Name is 11-Bromoundecan-1-ol, SMILES is OCCCCCCCCCCCBr, in an article , author is Messenlehner, Julia, once mentioned of 1611-56-9, COA of Formula: C11H23BrO.

The catalytic machinery of the FAD-dependent AtBBE-like protein 15 for alcohol oxidation: Y193 and Y479 form a catalytic base, Q438 and R292 an alkoxide binding site

Monolignol oxidoreductases are members of the berberine bridge enzyme-like (BBE-like) protein family (pfam 08031) that oxidize monolignols to the corresponding aldehydes. They are FAD-dependent enzymes that exhibit the para-cresolmethylhydroxylase-topology, also known as vanillyl oxidase-topology. Recently, we have reported the structural and biochemical characterization of two monolignol oxidoreductases from Arabidopsis thaliana, AtBBE13 and AtBBE15. Now, we have conducted a comprehensive site directed mutagenesis study for AtBBE15, to expand our understanding of the catalytic mechanism of this enzyme class. Based on the kinetic properties of active site variants and molecular dynamics simulations, we propose a refined, structure-guided reaction mechanism for the family of monolignol oxidoreductases. Here, we propose that this reaction is facilitated stepwise by the deprotonation of the allylic alcohol and a subsequent hydride transfer from the C alpha-atom of the alkoxide to the flavin. We describe an excessive hydrogen bond network that enables the catalytic mechanism of the enzyme. Within this network Tyr479 and Tyr193 act concertedly as active catalytic bases to facilitate the proton abstraction. Lys436 is indirectly involved in the deprotonation as this residue determines the position of Tyr193 via a cation-pi interaction. The enzyme forms a hydrophilic cavity to accommodate the alkoxide intermediate and to stabilize the transition state from the alkoxide to the aldehyde. By means of molecular dynamics simulations, we have identified two different and distinct binding modes for the substrate in the alcohol and alkoxide state. The alcohol interacts with Tyr193 and Tyr479 while Arg292, Gln438 and Tyr193 form an alkoxide binding site to accommodate this intermediate. The pH-dependency of the activity of the active site variants revealed that the integrity of the alkoxide binding site is also crucial for the fine tuning of the pK(a) of Tyr193 and Tyr479. Sequence alignments showed that key residues for the mechanism are highly conserved, indicating that our proposed mechanism is not only relevant for AtBBE15 but for the majority of BBE-like proteins.

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The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature. 1611-56-9, Name is 11-Bromoundecan-1-ol, SMILES is OCCCCCCCCCCCBr, in an article , author is Lee, J., once mentioned of 1611-56-9, Name: 11-Bromoundecan-1-ol.

Quantitative determination of volatile compounds using TD-GC-MS and isotope standard addition for application to the heat treatment of food

For many foods that undergo thermal treatment, the generation of numerous process-induced compounds has strong implications for food quality and safety. Today, increasing attention is payed to the generation and occurrence of particular classes of newly formed compounds in processed foods for their potential health implication. It is therefore of the utmost importance to monitor the process with fit-for-purpose methods that are appropriate for use in quality control or in research and innovation. Since many quality-related compounds are volatile, there is a need for robust methods that can quantify a broad range of volatile markers and are applicable to on-line monitoring. To meet this need, an original and reliable method based on thermal desorption has been developed for the quantification of volatile compounds sampled on-line by sorbent tubes. For the first time, this method combines in-tube calibration and deuterated standard addition. Ten volatile compounds that are likely to form during heat processing of food (i.e. baking of cereal products), were chosen as target analytes for their relevance to food quality and their different physicochemical properties: 3-methylbutanal, pyrazine, 2-methylpyrazine, 2,5-dimethylpyrazine, 2,6-dimethylpyrazine, acetic acid, furfural, 5-methylfurfural, furfuryl alcohol and 5-hydroxymethylfurfural. The key steps in the analytical procedure were optimized and carefully characterized in terms of recovery, repeatability and reliability. The TD-GC-MS method displayed good linearity over extended ranges for all compounds (R-2: 0.9950 to 0.8880) with low limits of quantification (LOQs) ranging from 0.0141 to 11.5 ng. The matrix effect was negligible for most compounds, except for 5-hydroxymethylfurfural (21.5%), the most polar and least volatile compound. The method was applied to determining process-induced compounds generated during the baking of a model cake and sampled from baking vapors at three different times during the heat treatment. Of all the compounds extracted, the target analytes exhibited concentrations spread over very broad ranges. This highly sensitive method could therefore be used for the early quantification of relevant markers during the processing of food matrices, for quality or mitigation purposes. Quantitative TD-GC-MS with in-tube calibration and isotope standard addition is particularly well-suited for applications where an accurate determination is required of both trace level and major volatile compounds over time. This method may therefore be relevant for monitoring either industrial or domestic food processes (e.g. baking, frying, roasting), for multi-residue analyses linked to quality and safety, or reaction kinetics for multi-response modeling. It can also be transferable to emerging non-food applications.

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A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 1611-56-9, Name is 11-Bromoundecan-1-ol, molecular formula is C11H23BrO. In an article, author is Zhu, Wanting,once mentioned of 1611-56-9, Category: alcohols-buliding-blocks.

Environmental-friendly electrospun phase change fiber with exceptional thermal energy storage performance

Electrospun phase change fiber (PCF) releases more than 85 wt% of organic solvents yet suffers from long-term thermal cycling-induced leakage. In this contribution, a novel PEG/PVA composite PCF was obtained by electrospinning their aqueous solution instead of using organic solvent in traditional method, which makes design of PCF towards green and cost-effective direction. Meanwhile, a simple surface crosslinking technology was applied to prevent leakage of PEG during the long-term service, and improve the thermal stability and tensile strength of the obtained crosslinked PCF (CPCF). The CPCF-50 shows the optimal morphological structure and exhibits the a relative high latent heat of 72.3 J/g. Owing to the confinement effect, CPCF exhibits robust thermal, chemical, and morphological stability with respect to 1000 thermal cycling. The CPCF also shows exceptional temperature regulation capability. The thermoregualting times of heating and freezing processes of CPCF-50 are 59.0% and 89.5% longer than those of the control and CPCF-0, respectively. Therefore, the eco-friendly and cost-effective prepared CPCF in this work, which exhibits relatively high latent heat and long-term reliability, paves a new way for the large-scale production of phase change fiber for thermal energy storage application.

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In an article, author is Konishi, Yoko, once mentioned the application of 1611-56-9, Recommanded Product: 1611-56-9, Name is 11-Bromoundecan-1-ol, molecular formula is C11H23BrO, molecular weight is 251.2, MDL number is MFCD00004752, category is alcohols-buliding-blocks. Now introduce a scientific discovery about this category.

How Did Japan Cope with COVID-19? Big Data and Purchasing Behavior

Japan has been recognized as having successfully controlled the spread of COVID-19. This study aims to gather insights to combat the spread of infection in our daily lives by observing our purchasing behavior. We use point of sales (POS) data from supermarkets, convenience stores, home centers, drug stores, and electronics retail stores for a nationwide analysis. Our analysis revealed the following. First, the Japanese actively prevented the spread of infection by voluntarily wearing masks, using alcohol-based disinfectants, and gargling. Second, they willingly stayed home during the semi-lockdown. Third, they continued to purchase infection prevention essentials during periods of both low and high levels of infection. We conclude that continuing to wear masks, wash and sanitize hands, and gargle, along with spending more time at home to maintain safe distancing, will be effective in reducing the spread of the virus and combatting the pandemic. Finally, infections and deaths were primarily concentrated in the Tokyo metropolitan area and the Kansai region, where the nature of the spread of the infection was different from that in small and middle-sized prefectures.

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