Month: November 2022

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

Pyridoxal-thiosemicarbazide: its anion sensing ability and application in living cells imaging was written by Sharma, Darshna;Moirangthem, Anuradha;Kumar, Rajender;Ashok Kumar, S. K.;Kuwar, Anil;Callan, John F.;Basu, Anupam;Sahoo, Suban K.. And the article was included in RSC Advances in 2015.Formula: C8H10ClNO3 The following contents are mentioned in the article:

A new anion selective chemosensor L was derived through a direct condensation reaction between pyridoxal and thiosemicarbazide. Sensor L showed selective recognition and sensing ability towards F^– and AcO^– anions through a naked-eye detectable color change from colorless to light yellow, appearance of a new charge transfer absorption band at 404 nm and significant “turn-on” fluorescence at 506 nm. The detection limit of L as a fluorescent ‘turn-on’ sensor for the anal. of F^– and AcO^– was estimated to be 0.10 μM. The anion sensing mechanisms of L was supported by ¹H NMR and DFT results. Finally, the cytotoxicity effect of L and its ability to image intracellular F^– ions in the living HeLa cells was investigated. This study involved multiple reactions and reactants, such as 3-Hydroxy-5-(hydroxymethyl)-2-methylisonicotinaldehyde hydrochloride (cas: 65-22-5Formula: C8H10ClNO3).

3-Hydroxy-5-(hydroxymethyl)-2-methylisonicotinaldehyde hydrochloride (cas: 65-22-5) 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.Formula: C8H10ClNO3

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Chemical transformations of the condensation products of structurally different amino acids with pyridoxal as a function of Ph, solvent, and temperature was written by Pishchugin, F. V.;Tuleberdiev, I. T.. And the article was included in Russian Journal of General Chemistry in 2015.Product Details of 65-22-5 The following contents are mentioned in the article:

The kinetics and mechanism of chem. transformations of condensation products of structurally different amino acids with pyridoxal as a function of pH of the medium, the solvent, and temperature were studied. The Schiff bases were found to be the most stable at pH close to neutral values. In acidic media, the condensation products of α-amino acids with pyridoxal decompose to the starting components. In alk. media, the elimination of the α-hydrogen atom from the amino acid fragment and rearrangement of the Schiff base into the quinoid form occurs, the subsequent hydrolysis leading to the formation of pyridoxamine and keto acids. The condensation products of the β- and ε-amino acids with pyridoxal decompose to the starting components in acidic media but are stable in alk. media. This study involved multiple reactions and reactants, such as 3-Hydroxy-5-(hydroxymethyl)-2-methylisonicotinaldehyde hydrochloride (cas: 65-22-5Product Details of 65-22-5).

3-Hydroxy-5-(hydroxymethyl)-2-methylisonicotinaldehyde hydrochloride (cas: 65-22-5) 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. The most common reactions of alcohols can be classified as oxidation, dehydration, substitution, esterification, and reactions of alkoxides.Product Details of 65-22-5

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Influence of the glycol component in dibenzoate plasticizers on the properties of plasticized PVC films was written by Wardzinska, Elzbieta;Penczek, Piotr. And the article was included in Journal of Applied Polymer Science in 2005.Computed Properties of C9H20O2 The following contents are mentioned in the article:

A series of glycol dibenzoates was synthesized by transesterification of glycols with Me benzoate. PVC films were prepared from suspension grade PVC and the dibenzoates at a constant content of the dibenzoates. The mech. properties of the films were measured. In addition, the extractability and the absorption of various liquids was determined The effect of the structure of the glycol component in the dibenzoates on the mech. properties of the films and the plasticizing efficiency was investigated. Neopentyl glycol dibenzoate exhibits the highest plasticizing effect, followed by triethylene and ethylene glycol dibenzoates and the 2-(n-butyl)-2-ethyl-1,3-propanediol derivative It was found that the ether linkages in the dibenzoates mainly contribute to the plasticization of PVC. This study involved multiple reactions and reactants, such as 2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4Computed Properties of C9H20O2).

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. 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.Computed Properties of C9H20O2

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Effect of vitamin derivatives on gelation rate and gel strength of methylcellulose was written by Kim, Min Hee;Park, Hanna;Shin, Ji Youn;Park, Won Ho. And the article was included in Carbohydrate Polymers in 2018.Application In Synthesis of 3-Hydroxy-5-(hydroxymethyl)-2-methylisonicotinaldehyde hydrochloride The following contents are mentioned in the article:

A thermo-sensitive methylcellulose (MC) hydrogel was prepared using three types of vitamin derivatives with or without phosphate groups. The gelation behavior of each MC hydrogel containing vitamin or vitamin derivatives was monitored using a rheometer. The gelation rate and mech. strength of the MC hydrogels were improved by vitamin derivatives with phosphate groups due to their salting-out effects, whereas their injectabilities retained proper maximum forces. Also, the vitamin derivatives with phosphate groups were released slower from the MC hydrogel than the vitamins without phosphate groups due to higher phys. crosslinking densities. Therefore, this thermo-responsive MC hydrogel containing vitamin derivatives has a great potential as an injectable hydrogel for drug delivery. This study involved multiple reactions and reactants, such as 3-Hydroxy-5-(hydroxymethyl)-2-methylisonicotinaldehyde hydrochloride (cas: 65-22-5Application In Synthesis of 3-Hydroxy-5-(hydroxymethyl)-2-methylisonicotinaldehyde hydrochloride).

3-Hydroxy-5-(hydroxymethyl)-2-methylisonicotinaldehyde hydrochloride (cas: 65-22-5) 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. 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.Application In Synthesis of 3-Hydroxy-5-(hydroxymethyl)-2-methylisonicotinaldehyde hydrochloride

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Citral-to-Menthol Transformations in a Continuous Reactor over Ni/Mesoporous Aluminosilicate Extrudates Containing a Sepiolite Clay Binder was written by Simakova, Irina L.;Vajglova, Zuzana;Maki-Arvela, Paivi;Eranen, Kari;Hupa, Leena;Peurla, Markus;Makila, Ermei M.;Warna, Johan;Murzin, Dmitry Yu.. And the article was included in Organic Process Research & Development in 2022.Recommanded Product: 106-21-8 The following contents are mentioned in the article:

One-pot continuous synthesis of menthols from citral was performed over 5 wt % Ni supported on a mesoporous aluminosilicate catalyst with sepiolite as a binder at 70°C with a selectivity of 75% to menthols. Catalyst deactivation with time-onstream resulted in a decrease of the conversion and selectivity to menthol at the expense of higher selectivity to isopulegols. Stereoselectivity to isopulegols and menthols only slightly changed with conversion and TOS. A kinetic model capable of describing exptl. data for transformations of citral to menthol in a continuous mode was developed. It was based on a detailed reaction network and also comprised deactivation on both metal and acid sites. Numerical data fitting confirmed a good correspondence between the exptl. data and calculations This study involved multiple reactions and reactants, such as 3,7-Dimethyloctan-1-ol (cas: 106-21-8Recommanded Product: 106-21-8).

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. Grignard and organolithium reagents are powerful tools for organic synthesis, and the most common products of their reactions are alcohols.Recommanded Product: 106-21-8

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

δ-C-H Mono- and Dihalogenation of Alcohols was written by Herron, Alastair N.;Liu, Dongxin;Xia, Guoqin;Yu, Jin-Quan. And the article was included in Journal of the American Chemical Society in 2020.Recommanded Product: 3,7-Dimethyloctan-1-ol The following contents are mentioned in the article:

Alkoxy radicals have long been known to enable remote C-H functionalization via 1,5-hydrogen atom abstraction. However, methods for their generation traditionally have relied upon highly oxidizing metals, UV radiation, or preformed peroxide intermediates, which has prevented the development of many desirable transformations. Herein we report a new bench-stable precursor that decomposes to free alkoxy radicals via a previously unreported single-electron oxidation pathway. This new precursor enables the fluorination and chlorination of remote C-H bonds under exceptionally mild conditions with exceedingly high monoselectivity. Iterative use of this precursor enables the introduction of a second halogen atom, granting access to remote dihalide motifs, including CF₂ and CFCl. This study involved multiple reactions and reactants, such as 3,7-Dimethyloctan-1-ol (cas: 106-21-8Recommanded Product: 3,7-Dimethyloctan-1-ol).

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. 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.Recommanded Product: 3,7-Dimethyloctan-1-ol

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Synthesis and Enzymatic Degradation of Soft Aliphatic Polyesters was written by Buchholz, Viola;Agarwal, Seema;Greiner, Andreas. And the article was included in Macromolecular Bioscience in 2016.Name: 2-Butyl-2-ethylpropane-1,3-diol The following contents are mentioned in the article:

Novel aliphatic enzymically degradable polyesters with short alkyl side chains for tuning crystallinity are presented in this work. The intrinsic problem of aliphatic polyesters is their brittleness and tendency to crystallize. This was modulated by the synthesis of random copolyesters based on aliphatic linear monomers, adipic acid, 1,5-pentanediol and monomers with aliphatic branches, such as 2-butyl-2-ethyl-1,3-propanediol by polycondensation. The resulting copolyesters were crystalline, wax-like or had liquid texture with varied mech. properties and enzymic degradability depending upon the copolymer composition Such polyesters are of significant interest for a wide range of possible applications such as controlled drug delivery, agricultural applications and as packing materials. This study involved multiple reactions and reactants, such as 2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4Name: 2-Butyl-2-ethylpropane-1,3-diol).

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. 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.Name: 2-Butyl-2-ethylpropane-1,3-diol

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Polyols based on isocyanates and melamines and their applications in 1K and 2K coatings was written by Yahkind, A. L.;Paquet, D. A.;Parekh, D. V.;Stine, C. L.;van der Ven, L. G. J.. And the article was included in Progress in Organic Coatings in 2010.Computed Properties of C9H20O2 The following contents are mentioned in the article:

Polyurethane polyols (PUPOs) and melamine polyols (MEPOs), invented by AkzoNobel Coatings, offer valuable alternatives to the commonly used polyester and acrylic polyols and new formulating tools for the development of novel coatings. The resin chem. is based on the predominantly selective reactivity of α,β- and α,γ-diols with commonly used polyisocyanate and melamine formaldehyde crosslinkers. The resulting low mol. weight, hydroxyl functional resins are suitable for use in low VOC coatings. By choosing the appropriate crosslinker, diol, and modifier, the chem. structures of these resins can be altered to obtain the desired properties of the coatings. Synthesis methods for novel PUPOs and MEPOs and properties of one component and two component coatings containing them are described. This study involved multiple reactions and reactants, such as 2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4Computed Properties of C9H20O2).

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

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

A statistical comparison of high-performance glycols in polyester resins for coatings was written by Golob, Dennis J.;Odom, Thomas A. Jr.;Whitson, Russell L.. And the article was included in Polymeric Materials Science and Engineering in 1990.Quality Control of 2-Butyl-2-ethylpropane-1,3-diol The following contents are mentioned in the article:

High-solids enamel formulations containing polyesters based on >1 glycols [2-butyl-2-ethyl-1,3-propanediol (I), 1,4-cyclohexanedimethanol (II), hydroxypivalyl hydroxypivalate (III), 2,2,4-trimethyl-1,3-pentanediol (IV), and neopentyl glycol(V)] plus melamine were evaluated for various characteristics. Relative rankings were (property, highest glycol given): cure, II; flexibility I; hardness, II; hydrolytic stability, II; processability, II; stain and chem. resistance, III and IV; viscosity, I and III and IV and V. 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. 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. 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 2-Butyl-2-ethylpropane-1,3-diol

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts