Tag: 100-200

Sustainable ABA triblock methacrylate copolymers incorporating both high and low Tg terpene-derived monomers was written by Atkinson, Rachel L.;Elsmore, Matthew;Smith, Sean;Reynolds-Green, Morgan;Topham, Paul D.;Toolan, Daniel T. W.;Derry, Matthew J.;Monaghan, Olivia;Taresco, Vincenzo;Irvine, Derek J.;Stockman, Robert A.;De Focatiis, Davide S. A.;Howdle, Steven M.. And the article was included in European Polymer Journal in 2022.Application of 106-21-8 The following contents are mentioned in the article:

We report the synthesis of novel terpene-based monomers: nopinyl acrylate and methacrylate, from naturally abundant β-pinene. A very high Tg value was observed for poly(nopinyl methacrylate) when synthesized by free radical polymerization, and well-defined polymers have been produced via RAFT polymerization This exciting new high Tg material shows promise as a hard block in thermoplastic elastomers. ABA triblock copolymers have been synthesized which also incorporate a low Tg renewable soft block, poly(tetrahydrogeraniol methacrylate), using a divergent, difunctional RAFT polymerization method. Initial phase separation behavior and adhesive properties have been investigated to highlight the potential of these copolymer materials as renewably sourced thermoplastic elastomers. 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. A strong base can deprotonate an alcohol to yield an alkoxide ion (R―O−). For example, sodamide (NaNH2), a very strong base, abstracts the hydrogen atom of an alcohol. 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.Application of 106-21-8

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Triple triangle glycol study was written by Eastman. And the article was included in Pitture e Vernici in 1991.Application of 115-84-4 The following contents are mentioned in the article:

The effect of incorporating 2-butyl-2-ethyl-1,3-propanediol (I), hydroxypivalyl hydroxypivalate (II), 2,2-dimethyl-1,3-propanediol (III), 2,2,4-trimethyl-1,3-pentanediol (IV), and(or) 1,4-cyclohexanedimethanol (V) into a polyester high-solids enamel were demonstrated. I and II demonstrated good synergism with other glycols, III gave good overall performance and was used as a reference, IV provided good hydrolytic and stain resistance but was the poorest in processing and had a poor hardness/flexibiility ratio, and V offered good salt spray and humidity resistance and was the fastest processing glycol with its main disadvantage being high solution viscosity and organic volatiles. This study involved multiple reactions and reactants, such as 2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4Application of 115-84-4).

2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4) 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. 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 of 115-84-4

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Efficacy of the clothing impregnants M-2065 and M-2066 against terrestrial leeches in North Borneo was written by Walton, Boyce C.;Traub, Robert;Newson, Harold D.. And the article was included in American Journal of Tropical Medicine and Hygiene in 1956.Safety of 2-Butyl-2-ethylpropane-1,3-diol The following contents are mentioned in the article:

cf. Traub, et al., Nature 169, 667(1952). Impregnation of clothing with M-1960 (N-butylanilide 30, 2-butyl-2-ethyl-1,3-propanediol 30, benzylbenzoate 30, Tween 80 (I) 10%), M-2065 (C₁₀H₂₁CO₂H) (II) 29, N-propylacetanilide (III) 29, N-butyl-4-cyclohexene-1,2-carboximide (IV) 29, lindane (V) 3, and I 10%), or M-2066 (II, III, and IV, 29.66 each, V 1, I 10%) allowed an attachment of a maximum of 1 Haemadipsa zeylonica subagilis or H. picta during 0.5-h. wear while untreated clothing collected more than 14 and native dress averaged 9-22 leeches. Incomplete protection was given after 4, none after 6 washings of the uniforms. Most of the leeches going through treated uniforms had not fed while more than 50% of those in untreated uniforms had fed. Impregnated socks were an effective protection for scantily clad people. This study involved multiple reactions and reactants, such as 2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4Safety of 2-Butyl-2-ethylpropane-1,3-diol).

2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4) belongs to alcohols. Alkyl halides are often synthesized from alcohols, in effect substituting a halogen atom for the hydroxyl group. Alcohols may be oxidized to give ketones, aldehydes, and carboxylic acids. These functional groups are useful for further reactions. Oxidation of organic compounds generally increases the number of bonds from carbon to oxygen (or another electronegative element, such as a halogen), and it may decrease the number of bonds to hydrogen.Safety of 2-Butyl-2-ethylpropane-1,3-diol

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Effect of ripening with Penicillium roqueforti on texture, microstructure, water distribution and volatiles of chicken breast meat was written by Guo, Liping;Yu, Bing;Wang, Shuling;Zhu, Yinglian;Li, Peng;Wang, Baowei;Huang, Ming;Sun, Jingxin. And the article was included in International Journal of Food Science and Technology in 2019.SDS of cas: 106-21-8 The following contents are mentioned in the article:

Summary : In this study, the influence of ripening with Penicillium roqueforti on texture, microstructure, protein structure, water mobility and volatile flavor compounds of chicken breast meat was investigated. SEM (SEM) and transmission electron microscope (TEM) images showed that the granule formed and chicken myofibril fractured after ripening. Reduction in α-helix and increases in β-sheet structure content accompanied by decrease in hardness and springiness and increase in gumminess were found in ripened chicken breast meat. Low field NMR (LF-NMR) revealed that increasing intra-myofibrillar water and decreasing extra-myofibrillar water resulted in the higher water-holding capacity after ripening with P. roqueforti. In addition, chicken breast meat ripened with P. roqueforti contained more volatile flavor compounds, in particular aldehydes. This study involved multiple reactions and reactants, such as 3,7-Dimethyloctan-1-ol (cas: 106-21-8SDS of cas: 106-21-8).

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. 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.SDS of cas: 106-21-8

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Mechanism of chromic acid oxidation. III. The oxidation of diols was written by Kwart, Harold;Ford, J. A. Jr.;Corey, G. C.. And the article was included in Journal of the American Chemical Society in 1962.Quality Control of 2-Butyl-2-ethylpropane-1,3-diol The following contents are mentioned in the article:

cf. CA 54, 6505a; 56, 7111c. The earlier interpretations of Rocek (CA 54, 13833a) and Favre (CA 53, 18084d) of the rates of chromic acid oxidation of diols were found to be misleading, in view of conformational and structural effects which govern the reactivity. The occurrence of cyclic chromate esters as intermediates in the oxidation of certain diol structures but not of others was inferred from rate data obtained for a variety of bicyclic, alicyclic, and acyclic 1,2- and 1,3-diols. In this fashion also, the geometric requirements for such cyclic chromate ester formation were found to be similar to those deduced earlier for boric acid complexing with diols. It was suggested that the formation of esters by interaction of chromic acid with alcs. was quite analogous to ester formation with boric rather than sulfuric acid, as claimed by Rocek. This study involved multiple reactions and reactants, such as 2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4Quality Control of 2-Butyl-2-ethylpropane-1,3-diol).

2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4) 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. The most common reactions of alcohols can be classified as oxidation, dehydration, substitution, esterification, and reactions of alkoxides.Quality Control of 2-Butyl-2-ethylpropane-1,3-diol

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

New CO₂-philic propane derivatives: design, synthesis and phase behavior in supercritical carbon dioxide was written by Li, Yalin;Yang, Hai-Jian;Zhou, Tao. And the article was included in Current Organic Chemistry in 2013.Formula: C9H20O2 The following contents are mentioned in the article:

Three new potent CO₂-philic propane derivatives, i.e. 1,3-bis(3-chloropropionyloxy)-2,2-diethylpropane, 1,3-bis(3-chloropropionyloxy)-2-butyl-2-ethylpropane, and 1,3-bis(3-chloropropionyloxy)-2-methyl-2-propylpropane, were designed and synthesized. Their structures were characterized by NMR, FTIR, and elemental anal. Phase behavior of the three compounds was investigated at temperatures ranging from 313 K to 333 K and pressures from 9.1 MPa to 16.1 MPa in supercritical carbon dioxide, the solubility differences were discussed. The exptl. solubility data were calculated and correlated by the two d.-based models: Bartle and Chrastil, and satisfied agreements were obtained. Addnl., the partial molar volumes V₂ for each compound were also estimated in the supercritical phase using the theory developed by Kumar and Johnston. This study involved multiple reactions and reactants, such as 2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4Formula: C9H20O2).

2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4) 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. 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.Formula: C9H20O2

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

High pressure phase behaviour for the CO₂ + n-dodecane + 3,7-dimethyl-1-octanol system was written by Latsky, C.;Mabena, N. S.;Schwarz, C. E.. And the article was included in Journal of Supercritical Fluids in 2019.Quality Control of 3,7-Dimethyloctan-1-ol The following contents are mentioned in the article:

In this work, the solute-solute interaction which exist in the CO₂ + n-dodecane+ 3,7-dimethyl-1-octanol system was investigated. Solubility data were measured for three mixtures containing solventfree n-dodecane fractions of 0.50, 0.75 and 0.85, between 308 K and 348 K and pressures up to 14.9 MPa, with solvent mass fractions ranging from 0.375 to 0.984, using a static synthetic method. The data revealed significant solute-solute interactions, which resulted in the occurrence of co-solvency in the two n-dodecane rich mixtures The phase behavior data of the system was modeled, using the RK-ASPEN model. The modeling results indicated that, with the inclusion of a solute-solute interaction parameter, the fitted model was capable of correlating fairly accurate solubility data, but it can only approx. vapor-liquid-equilibrium data. 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. A strong base can deprotonate an alcohol to yield an alkoxide ion (R―O−). For example, sodamide (NaNH2), a very strong base, abstracts the hydrogen atom of an alcohol. 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.Quality Control of 3,7-Dimethyloctan-1-ol

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Viaticene A – An Unusual Tetraterpene Cuticular Lipid Isolated from the Springtail Hypogastrura viatica was written by Bello, Jan E.;Stamm, Patrick;Leinaas, Hans Petter;Schulz, Stefan. And the article was included in European Journal of Organic Chemistry in 2019.COA of Formula: C10H22O The following contents are mentioned in the article:

The cuticles of springtails are extremely wear and friction resistant, super-hydrophobic, non-fouling, and self-cleaning. As such, the chem. of the lipids covering these cuticles is of great interest as a model for biomimetic super-hydrophobic surfaces, although only few of these lipids have been structurally elucidated. Hypogastrura viatica, a surface-dwelling springtail, produces highly branched tetraterpene hydrocarbons with an unprecedented [6+2]-terpene connectivity as components of the epicuticular lipid layer. The structure of the major lipid component, viaticene A, was elucidated through isolation, spectroscopic anal., chem. derivatization, synthesis, as well as stereochem. anal. of the core unit obtained from ozonolysis of the isolated lipid. Viaticenes A and B represent a new class of irregular tetraterpenoid natural products. This study involved multiple reactions and reactants, such as 3,7-Dimethyloctan-1-ol (cas: 106-21-8COA of Formula: C10H22O).

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. 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.COA of Formula: C10H22O

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Ozone-Mediated Amine Oxidation and Beyond: A Solvent-Free, Flow-Chemistry Approach was written by Skrotzki, Eric A.;Vandavasi, Jaya Kishore;Newman, Stephen G.. And the article was included in Journal of Organic Chemistry in 2021.COA of Formula: C10H22O The following contents are mentioned in the article:

Ozone is a powerful oxidant, most commonly used for oxidation of alkenes to carbonyls. The synthetic utility of other ozone-mediated reactions is hindered by its high reactivity and propensity to overoxidize organic mols., including most solvents. This challenge can largely be mitigated by adsorbing both substrate and ozone onto silica gel, providing a solvent-free oxidation method. In this manuscript, a flow-based packed bed reactor approach is described that provides exceptional control of reaction temperature and time to achieve improved control and chemoselectivity over this challenging transformation. A powerful method to oxidize primary amines into nitroalkanes is achieved. Examples of pyridine, C-H bond, and arene oxidations are also demonstrated, confirming the system is generalizable to diverse ozone-mediated processes. This study involved multiple reactions and reactants, such as 3,7-Dimethyloctan-1-ol (cas: 106-21-8COA of Formula: C10H22O).

3,7-Dimethyloctan-1-ol (cas: 106-21-8) belongs to alcohols. Alcohols are weak acids. The most acidic simple alcohols (methanol and ethanol) are about as acidic as water, and most other alcohols are somewhat less acidic. 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: C10H22O

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Monoterpene substituted thiazolidin-4-ones as novel TDP1 inhibitors: Synthesis, biological evaluation and docking was written by Ivankin, Dmitry I.;Dyrkheeva, Nadezhda S.;Zakharenko, Alexandra L.;Ilina, Ekaterina S.;Zarkov, Timofey O.;Reynisson, Johannes;Luzina, Olga A.;Volcho, Konstantin P.;Salakhutdinov, Nariman F.;Lavrik, Olga I.. And the article was included in Bioorganic & Medicinal Chemistry Letters in 2022.Formula: C10H22O The following contents are mentioned in the article:

In this paper, novel thiazolidin-4-one derivatives I [R = R¹OC₆H₄, R²; R¹ or R² = 3,7-dimethyloctyl, 3,7-dimethyloct-6-en-1-yl, Ph, etc.] with a benzyl and monoterpene substituents were synthesized. Compounds with a monoterpene fragment attached via a phenyloxy linker were active against TDP1 with IC₅₀ values in the 1-3μM range, while direct attachment of monoterpene moiety to the thiazolidin-4-one fragment had no activity. Mol. modeling predicted two plausible binding modes of the active compounds both effectively blocking access to the catalytic site of TDP. At non-toxic concentrations the active ligands potentiated the efficacy of the TOP1 poison topotecan in human cervical cancer HeLa cells, but not in non-cancerous HEK293A cells. 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. Alcohols are weak acids. The most acidic simple alcohols (methanol and ethanol) are about as acidic as water, and most other alcohols are somewhat less acidic. Alcohols may be oxidized to give ketones, aldehydes, and carboxylic acids. These functional groups are useful for further reactions. Oxidation of organic compounds generally increases the number of bonds from carbon to oxygen (or another electronegative element, such as a halogen), and it may decrease the number of bonds to hydrogen.Formula: C10H22O

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts