Tag: 100-200

Study on the synthesis and characters of waterborne polyester resin was written by Chen, Yi;Zeng, Guangsheng;Liu, Wenyong;Huang, Yu Gang. And the article was included in Advanced Materials Research in 2012.HPLC of Formula: 115-84-4 The following contents are mentioned in the article:

The waterborne polyester resin was synthesized by esterification between different dibasic acids and diat. alcs., while the self-emulsifying groups were introduced to the end of the mol. chain. The influences of the kinds and mass of reactants on the characters of waterborne polyester and polyurethanes film were researched. The results showed that with the increase of blocking agent TMA or HHPA as blocking agent to introduce self-emulsifying group, in waterborne polyester resin, the acid value and mol. weight rise obviously, Mn/Mw rises slightly, the storage stability becomes better, the glass-transition temperature and temperature at the biggest speed of losing weight both become higher. When the mass of TMA and HHPA is 6%wt of whole acids and alcs., the polyester with appropriate acid value, mol. weight and saving stability could be prepared The polyurethane film, made by waterborne polyester synthesized through such formula: acids: alcs. = 1, in acids, PA: IPA: AA = 1:5:1.5; in alcs., NPG: BEPG = 1/2 (all mass ratio), owns good mech. characters and stability. This study involved multiple reactions and reactants, such as 2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4HPLC of Formula: 115-84-4).

2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4) belongs to alcohols. Under appropriate conditions, inorganic acids also react with alcohols to form esters. To form these esters, a wide variety of specialized reagents and conditions can be used. Under carefully controlled conditions, simple alcohols can undergo intermolecular dehydration to give ethers. This reaction is effective only with methanol, ethanol, and other simple primary alcohols.HPLC of Formula: 115-84-4

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Bioinspired Enzymatic Synthesis of Terpenoid-Based (Meth)acrylic Monomers: A Solvent-, Metal-, Amino-, and Halogen-Free Approach was written by Castagnet, Thibault;Aguirre, Garbine;Asua, Jose M.;Billon, Laurent. And the article was included in ACS Sustainable Chemistry & Engineering in 2020.Formula: C10H22O The following contents are mentioned in the article:

In an attempt to pave the way toward the substitution of petroleum-based monomers for monomers from sustainable and renewable resources, this work investigates the synthesis of a portfolio of new (meth)acrylic monomers using terpenoids as raw materials that can be conveniently extracted from wood waste and citrus fruits. The synthetic process is based on the enzymic catalysis of the esterification of terpenoids and is solvent-, metal-, amino-, and halogen-free, overcoming the limitations of the common esterification techniques. The effect of employing microwaves in combination with the enzyme and the effect of the acyl donor choice [(meth)acrylic acids vs (meth)acrylic anhydrides] were studied. The process yielded complete conversion and then high-purity monomers with a variety of structures that would allow them to substitute many of the most commonly used petrochem. (meth)acrylic monomers. Paving the way toward the substitution of petroleum-based (meth)acrylics monomers from renewable resources and sustainable chem. combining microwaves and enzymic catalysis. This study involved multiple reactions and reactants, such as 3,7-Dimethyloctan-1-ol (cas: 106-21-8Formula: C10H22O).

3,7-Dimethyloctan-1-ol (cas: 106-21-8) belongs to alcohols. The oxygen atom of the strongly polarized O―H bond of an alcohol pulls electron density away from the hydrogen atom. This polarized hydrogen, which bears a partial positive charge, can form a hydrogen bond with a pair of nonbonding electrons on another oxygen atom. Converting an alcohol to an alkene requires removal of the hydroxyl group and a hydrogen atom on the neighbouring carbon atom. Dehydrations are most commonly carried out by warming the alcohol in the presence of a strong dehydrating acid, such as concentrated sulfuric acid.Formula: C10H22O

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Effect of the fluorination degree of partially fluorinated octyl-phosphocholine surfactants on their interfacial properties and interactions with purple membrane as a membrane protein model was written by Baba, Teruhiko;Takagi, Toshiyuki;Sumaru, Kimio;Kanamori, Toshiyuki. And the article was included in Chemistry and Physics of Lipids in 2020.Category: alcohols-buliding-blocks The following contents are mentioned in the article:

Interfacial properties and membrane protein solubilization activity of a series of partially fluorinated octyl-phosphocholine (PC) surfactants were investigated from the viewpoint of the fluorination degree of the hydrophobic chain. The critical micelle concentration (CMC), surface tension lowering activity, mol. occupied area at the CMC and free energy changes of micellization as well as adsorption to the air-water interface for each PC surfactant were estimated from surface tension measurements at 25 °C. The PCs with higher degree of fluorination exhibited low CMC and high surface activity, while the single trifluoromethyl group at the end of the chain appeared to enhance the hydrophilicity of the surfactant mol. Under conditions where conventional short-chain surfactants, n-octyl-β-D-glucoside, Triton X-100 and dioctanoylphosphatidylcholine significantly solubilize purple membranes (PM), none of the fluorinated-PCs solubilized PM. This suggests that fluorinated-PCs are low-invasive enough to maintain the structure of lipids/protein assemblies like PM. This study involved multiple reactions and reactants, such as 3,7-Dimethyloctan-1-ol (cas: 106-21-8Category: alcohols-buliding-blocks).

3,7-Dimethyloctan-1-ol (cas: 106-21-8) belongs to alcohols. Similar to water, an alcohol can be pictured as having an sp3 hybridized tetrahedral oxygen atom with nonbonding pairs of electrons occupying two of the four sp3 hybrid orbitals. Tertiary alcohols cannot be oxidized at all without breaking carbon-carbon bonds, whereas primary alcohols can be oxidized to aldehydes or further oxidized to carboxylic acids.Category: alcohols-buliding-blocks

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Chemical composition, antimicrobial, and antioxidant activities of medicinal plants nutsedge and fenugreek was written by Ceylan, ule;Camadan, Yasemin;Saral, Ozlem;Batur, Ozge Ozuleen. And the article was included in BioResources in 2022.Electric Literature of C10H22O The following contents are mentioned in the article:

Purple nutsedge roots (Cyperus rotundus L.) and fenugreek seeds (Trigonella foenum-graecum L.) have been traditionally used as food and to treat common ailments. After extraction by solid-phase microextraction (SPME), the chem. structure of the revealed volatile fractions was researched with gas chromatog. with mass spectrometry (GC-MS). The determined substances of the C. rotundus were pentadecanolide (72.0%), palmitic acid (8.2%), 16-hydroxy-6-hexadecenoic acid omega lactone (4.4%), and (Z)-anethol (3.9%). Most of the identified compounds of the T. foenum-graecum were pentadecanolide (61.3%) and (Z)-anethol (16.5%). The C. rotundus showed good antifungal activity against the yeast strands of Candida albicans and Candida krusei. Min. inhibitory concentration (MIC) numbers were 250 and 125 μg/mL, resp. However, the T. foenum-graecum seeds did not show any effect against the test microorganisms. The C. rotundus roots in particular exhibited good 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity with an IC₅₀ number of 0.91 mg/mL. This study involved multiple reactions and reactants, such as 3,7-Dimethyloctan-1-ol (cas: 106-21-8Electric Literature of C10H22O).

3,7-Dimethyloctan-1-ol (cas: 106-21-8) belongs to alcohols. Alcohols are among the most common organic compounds. They are used as sweeteners and in making perfumes, are valuable intermediates in the synthesis of other compounds, and are among the most abundantly produced organic chemicals in industry. A multistep synthesis may use Grignard-like reactions to form an alcohol with the desired carbon structure, followed by reactions to convert the hydroxyl group of the alcohol to the desired functionality.Electric Literature of C10H22O

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Anti-biofilm activities of essential oils rich in carvacrol and thymol against Salmonella Enteritidis was written by Cabarkapa, Ivana;Colovic, Radmilo;Djuragic, Olivera;Popovic, Sanja;Kokic, Bojana;Milanov, Dubravka;Pezo, Lato. And the article was included in Biofouling in 2019.Application of 106-21-8 The following contents are mentioned in the article:

The aim of the present study was to determine the bioactive compounds in four essential oils (EO’s) from Origanum heracleoticum, Origanum vulgare, Thymus vulgaris and Thymus serpyllum and to assess their antimicrobial and anti-biofilm activity against Salmonella Enteritidis. Strains were previously characterized depending on the expression of the extracellular matrix components cellulose and curli fimbriae as rdar (red, dry and rough) and bdar morphotype (brown, dry and rough). This study revealed that the EO’s and EOC’s (carvacrol and thymol) investigated showed inhibition of biofilm formation at sub-min. inhibitory concentration Comparing the efficacy of EO’s and EOC’s in the inhibition of biofilm formation between the strains with different morphotype (rdar and bdar) did not show a statistically significant difference. Results related to the effectiveness of EO’s and EOC’s (the essential oil components, carvacrol and thymol) on eradication of preformed 48 h old biofilms indicated that biofilm reduction occurred in a dose-dependent manner over time. This study involved multiple reactions and reactants, such as 3,7-Dimethyloctan-1-ol (cas: 106-21-8Application of 106-21-8).

3,7-Dimethyloctan-1-ol (cas: 106-21-8) belongs to alcohols. Alkyl halides are often synthesized from alcohols, in effect substituting a halogen atom for the hydroxyl group. The most common reactions of alcohols can be classified as oxidation, dehydration, substitution, esterification, and reactions of alkoxides.Application of 106-21-8

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Catalytic Access to Functionalized Allylic gem-Difluorides via Fluorinative Meyer-Schuster-Like Rearrangement was written by Liao, Lihao;An, Rui;Li, Huimin;Xu, Yang;Wu, Jin-Ji;Zhao, Xiaodan. And the article was included in Angewandte Chemie, International Edition in 2020.Quality Control of 3,7-Dimethyloctan-1-ol The following contents are mentioned in the article:

An unprecedented approach for efficient synthesis of functionalized allylic gem-difluorides via catalytic fluorinative Meyer-Schuster-like rearrangement is disclosed. This transformation proceeded with readily accessible propargylic fluorides, and low-cost B-F reagents and electrophilic reagents by sulfide catalysis [e.g., I → II (88%) in presence of PhSPh as Lewis basic catalyst, tetrafluoroboric acid di-Et ether complex and NIS]. A series of iodinated, brominated, and trifluoromethylthiolated allylic gem-difluorides that were difficult to access by other methods were facilely produced with a wide range of functional groups. Importantly, the obtained iodinated products could be incorporated into different drugs and natural products, and could be expediently converted into many other valuable gem-difluoroalkyl mols. as well. Mechanistic studies revealed that this reaction went through a regioselective fluorination of alkynes followed by a formal 1,3-fluorine migration under the assistance of the B-F reagents to give the desired products. This study involved multiple reactions and reactants, such as 3,7-Dimethyloctan-1-ol (cas: 106-21-8Quality Control of 3,7-Dimethyloctan-1-ol).

3,7-Dimethyloctan-1-ol (cas: 106-21-8) belongs to alcohols. The oxygen atom of the strongly polarized O―H bond of an alcohol pulls electron density away from the hydrogen atom. This polarized hydrogen, which bears a partial positive charge, can form a hydrogen bond with a pair of nonbonding electrons on another oxygen atom. Grignard and organolithium reagents are powerful tools for organic synthesis, and the most common products of their reactions are alcohols.Quality Control of 3,7-Dimethyloctan-1-ol

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Discovery of Lipophilic Bisphosphonates That Target Bacterial Cell Wall and Quinone Biosynthesis was written by Malwal, Satish R.;Chen, Lu;Hicks, Hunter;Qu, Fiona;Liu, Weidong;Shillo, Alli;Law, Wen Xuan;Zhang, Jianan;Chandnani, Neal;Han, Xu;Zheng, Yingying;Chen, Chun-Chi;Guo, Rey-Ting;Abdel Khalek, Ahmed;Seleem, Mohamed N.;Oldfield, Eric. And the article was included in Journal of Medicinal Chemistry in 2019.Application In Synthesis of 3,7-Dimethyloctan-1-ol The following contents are mentioned in the article:

We report that alkyl-substituted bisphosphonates have activity against Bacillus anthracis Sterne (0.40μg/mL), Mycobacterium smegmatis (1.4μg/mL), Bacillus subtilis (1.0μg/mL), and Staphylococcus aureus (13μg/mL). In many cases, there is no effect of serum binding, as well as low activity against a human embryonic kidney cell line. Targeting of isoprenoid biosynthesis is involved with 74 having IC₅₀ values of ∼100 nM against heptaprenyl diphosphate synthase and 200 nM against farnesyl diphosphate synthase. B. subtilis growth inhibition was rescued by addition of farnesyl diphosphate, menaquinone-4 (MK-4), or undecaprenyl phosphate (UP), and the combination of MK-4 and UP resulted in a 25× increase in ED₅₀, indicating targeting of both quinone and cell wall biosynthesis. Clostridioides difficile was inhibited by I, and since this organism does not synthesize quinones, cell wall biosynthesis is the likely target. We also solved 3 X-ray structures of inhibitors bound to octaprenyl diphosphate and(or) undecaprenyl diphosphate synthases. This study involved multiple reactions and reactants, such as 3,7-Dimethyloctan-1-ol (cas: 106-21-8Application In Synthesis of 3,7-Dimethyloctan-1-ol).

3,7-Dimethyloctan-1-ol (cas: 106-21-8) belongs to alcohols. The oxygen atom of the strongly polarized O―H bond of an alcohol pulls electron density away from the hydrogen atom. This polarized hydrogen, which bears a partial positive charge, can form a hydrogen bond with a pair of nonbonding electrons on another oxygen atom. Secondary alcohols are easily oxidized without breaking carbon-carbon bonds only as far as the ketone stage. No further oxidation is seen except under very stringent conditions.Application In Synthesis of 3,7-Dimethyloctan-1-ol

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Effect of phase modifiers on boron removal by solvent extraction using 1,3 diolic compounds was written by Fortuny, Agustin;Coll, Maria Teresa;Kedari, Chandrashekhar S.;Sastre, Ana Maria. And the article was included in Journal of Chemical Technology and Biotechnology in 2014.COA of Formula: C9H20O2 The following contents are mentioned in the article:

Among the polyols, 1,3 diols are selective and efficient extractants for boron but significant solubility of these into aqueous solutions restricts their application in large scale separation processes. Solvent modifiers can be used to reduce extractant loss to the aqueous phase. Efficiency of the diolic extractants for boron separation have been tested in the presence of different solvent modifiers. Compared with other modifiers studied, decanol gives better stability to diolic mols. in the Kerosene phase and exhibits a reduced neg. effect on the extraction of boron. Next to decanol, the low viscous 2,6-dimethyl-4-heptanone can be used as solvent modifier. In successive extraction studies, 2-butyl-2-ethyl-1,3-propanediol (BEPD) showed better stability among the diols studied in the presence of decanol in the organic phase. Quant. removal of boron was achieved from industrial waste solutions such as a spent phosphate passivation bath and a cutting fluid, using 0.6 mol L-1BEPD and 0.6 mol L-1 2,2,4-trimethyl-1,3-pentanediol (TMPD) in 25% decanol/Kerosene organic phase. This study involved multiple reactions and reactants, such as 2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4COA of Formula: C9H20O2).

2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4) belongs to alcohols. Because alcohols are easily synthesized and easily transformed into other compounds, they serve as important intermediates in organic synthesis. Converting an alcohol to an alkene requires removal of the hydroxyl group and a hydrogen atom on the neighbouring carbon atom. Dehydrations are most commonly carried out by warming the alcohol in the presence of a strong dehydrating acid, such as concentrated sulfuric acid.COA of Formula: C9H20O2

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Amine Organocatalysis of Remote, Chemoselective C(sp³)-H Hydroxylation was written by Hahn, Philip L.;Lowe, Jared M.;Xu, Yubo;Burns, Kevin L.;Hilinski, Michael K.. And the article was included in ACS Catalysis in 2022.Reference of 106-21-8 The following contents are mentioned in the article:

Authors introduce an organocatalytic approach for oxaziridinium-mediated C-H hydroxylation that employs secondary amines as catalysts. Authors also demonstrate the advantages of this operationally simple catalytic strategy for achieving high yielding and highly selective remote hydroxylation of compounds bearing oxidation-sensitive functional groups such as alcs., ethers, carbamates, and amides. By employing hexafluoroisopropanol as the solvent in the absence of water, a proposed hydrogen-bonding effect leads to, among other advantages, as high as ≥99:1 chemoselectivity for remote aliphatic hydroxylation of 2° alcs., an otherwise unsolved synthetic challenge normally complicated by substantial amounts of alc. oxidation Initial studies of the reaction mechanism indicate the formation of an oxaziridinium salt as the active oxidant and a C-H oxidation step that proceeds in a stereospecific manner via concerted insertion or hydrogen atom-transfer/radical rebound. Furthermore, preliminary results indicate that site selectivity can be affected by amine catalyst structure. This study involved multiple reactions and reactants, such as 3,7-Dimethyloctan-1-ol (cas: 106-21-8Reference of 106-21-8).

3,7-Dimethyloctan-1-ol (cas: 106-21-8) belongs to alcohols. Alcohols are among the most common organic compounds. They are used as sweeteners and in making perfumes, are valuable intermediates in the synthesis of other compounds, and are among the most abundantly produced organic chemicals in industry. Tertiary alcohols cannot be oxidized at all without breaking carbon-carbon bonds, whereas primary alcohols can be oxidized to aldehydes or further oxidized to carboxylic acids.Reference of 106-21-8

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Non-classical temperature-dependent phase sequence: long-lived metastable piezoelectric helical columnar liquid crystalline polymorph was written by Nguyen, Manh Linh;Byun, Jaeduk;Shin, Tae Joo;Cho, Byoung-Ki. And the article was included in Journal of Materials Chemistry in 2021.Category: alcohols-buliding-blocks The following contents are mentioned in the article:

The unusual polymorphic behavior of a liquid crystalline (LC) naphthalene derivative (1) based on 1,2,3-triazolyl linkages, is reported. Two individual polymorphs corresponding to metastable helical columnar (Col_hel) LC and thermodynamically stable monoclinic crystalline (Cry) phases can be obtained at room temperature by mild thermal treatments. According to the thermal, dynamic, and structural analyses of 1, the triazolyl H-bonded network along the columnar axis plays a key role in the formation of the polar helical columnar order and its longevity. As a consequence of the remarkable stability of the metastable Col_hel, a nonclassical phase sequence, i.e., Col_hel-liquid-cry-liquid upon heating, was observed, although it was also predicted theor. in monotropic LC polymorphism. Piezoelec. measurement of the poled Col_hel polymorph showed a noticeable increase in open-circuit voltage upon the application of force, which was >5 times greater than the measured voltage of the Cry polymorph. This study involved multiple reactions and reactants, such as 3,7-Dimethyloctan-1-ol (cas: 106-21-8Category: alcohols-buliding-blocks).

3,7-Dimethyloctan-1-ol (cas: 106-21-8) belongs to alcohols. The oxygen atom of the strongly polarized O―H bond of an alcohol pulls electron density away from the hydrogen atom. This polarized hydrogen, which bears a partial positive charge, can form a hydrogen bond with a pair of nonbonding electrons on another oxygen atom. Secondary alcohols are easily oxidized without breaking carbon-carbon bonds only as far as the ketone stage. No further oxidation is seen except under very stringent conditions.Category: alcohols-buliding-blocks

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts