Tag: 0-100

Valorization of tomato pomace: extraction of value-added components by deep eutectic solvents and their application in the formulation of cosmetic emulsions was written by Vasyliev, Georgii;Lyudmyla, Khrokalo;Hladun, Kateryna;Skiba, Margarita;Vorobyova, Viktoria. And the article was included in Biomass Conversion and Biorefinery in 2022.Formula: C3H8O2 This article mentions the following:

Deep eutectic solvents (DESs) have been explored as an alternative to hazardous solvents to extract phenolic compounds The aim of this work was estimate the performance of choline chloride-based DESs regarding the extraction of phenolic compounds of tomato pomace and determination of their antioxidant activity. Green choline chloride-based DESs coupled with ultrasound-assisted extraction were performed to extract The solvents were choline chloride:1,2-propanediol (1:2 v/w):water (10% weight/weight) and choline chloride:lactic acid (1:2 v/w):water (10% weight/weight). The phytochem. constituents of tomato pomace extracts were verified with a combination of high-performance liquid chromatog. coupled to diode-array detection and tandem mass spectrometry (HPLC-DAD-MS). The total antioxidant activity of the extracts was assessed using phosphomolybdenum (PM) method. The redox behavior of tomato pomace extracts was evaluated by means of cyclic voltammetry. The DES-based tomato pomace extracts were used as the antioxidant agent to develop a natural cosmetic formulation (colloidal solutions). The -potential, colloidal stability, and the antioxidant, antimicrobial, and antifungal activity were studied. The antioxidant activity of the cosmetic emulsions has been studied by means of cyclic voltammetry. The tomato pomace extracts contain significant quantity of phenolic acids and flavanols (26-37% of the total compounds). Chlorogenic acid was detected as the main phenolic compound in tomato pomace extracts (ranging from 37.23 to 52.33μg/g). The total antioxidant power of the extracts varies in the range at 408 to 511.18μg/g extract Choline chloride-based DESs have low values of oxidation potentials. Zeta-potential of obtained colloidal solutions (cosmetic formulation) varies from – 0.0102 to – 0.0594 mV indicating the moderate stability of obtained cosmetic emulsions. The following ranking of antioxidants was obtained: cosmetic emulsions with extract obtained by choline chloride:lactic acid deep eutectic solvent > cosmetic emulsions with extract obtained by choline chloride:1,2-propanediol deep eutectic solvent. Antibacterial and antifungal activity of the cosmetic emulsions with DES extracts relative to Gram-pos. (Bacillus subtilis), Gram-neg. (Escherichia coli), and Candida albicans wound pathogens were studied. Thus the DESs could serve as solvents to produce a phenolic-rich tomato extract could be readily applicable to cosmetic formulations. In the experiment, the researchers used many compounds, for example, 1,2-Propanediol (cas: 57-55-6Formula: C3H8O2).

1,2-Propanediol (cas: 57-55-6) belongs to alcohols. Alkyl halides are often synthesized from alcohols, in effect substituting a halogen atom for the hydroxyl group. Grignard and organolithium reagents are powerful tools for organic synthesis, and the most common products of their reactions are alcohols.Formula: C3H8O2

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Thermal decomposition of propylene oxide with different activation energy and Reynolds number in a multicomponent tubular reactor containing a cooling jacket was written by Memon, Abid A.;Memon, M. Asif;Bhatti, Kaleemullah;khan, Ilyas;Alshammari, Nawa;Al-Johani, Amnah S.;Hamadneh, Nawaf N.;Andualem, Mulugeta. And the article was included in Scientific Reports in 2022.Reference of 57-55-6 This article mentions the following:

In this article, we are focusing on heat and mass transfer through a Multicomponent tubular reactor containing a cooling jacket by thermal decomposition of propylene oxide in water. The chem. reaction is an irreversible, 1st order reaction and an exothermic reaction that yields propylene glycol with enthalpy = -84,666 J/mol. The constant rate of the reaction is followed by the Arrhenius equation in which the activation energy is taken on a trial basis in the range from 75,000 to 80,000 J/mol with a fixed frequency factor. For the fluid to flow, the Reynolds number is kept in the range from 100 to 1000. The three partial differential equations of mass, momentum, and energy are coupled to study heat and mass transfer in a tubular reactor by using the chem. interface in COMSOL Multiphysics 5.4. The initial concentration of propylene oxide is tested in the range from 2 to 3% and the thermal conductivity of the mixture is tested in the range 0.599-0.799. It was found that the amount deactivated of the compound decreases with an increase in Reynolds number Propylene oxide is decomposed at about 99.8% at Re = 100 at lower activation energy and gives the total maximum enthalpy change in the tubular reactor. Observing the relationship between Sherwood numbers to Nusselt numbers, it was deducted that the convective heat transfer is opposite to convective mass transfer for high Reynolds numbers In the experiment, the researchers used many compounds, for example, 1,2-Propanediol (cas: 57-55-6Reference of 57-55-6).

1,2-Propanediol (cas: 57-55-6) belongs to alcohols. Alkyl halides are often synthesized from alcohols, in effect substituting a halogen atom for the hydroxyl group. 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.Reference of 57-55-6

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Synthesis and characterization of poly [N-acryloyl-(D/L), (+/-)-phenylalanine-co-(D/L), (-/+)N-methacryloyloxyethyl-N’-2-hydroxybutyl(urea)] copolymers was written by Buruiana, Emil C.;Murariu, Mioara;Buruiana, Tinca. And the article was included in Central European Journal of Chemistry in 2014.SDS of cas: 5856-63-3 This article mentions the following:

Two monomers of (D/L), (+/-)-N-methacryloyloxyethyl-N’-2-hydroxybutyl(urea) methacrylate (D/L-MABU) type were prepared and further polymerized through free radical polymerization with optically active monomers containing phenylalanine sequences such as N-acryloyl-(D/L), (-/+)-phenylalanine (A-D/L-Phe). The resulting copolymers, i.e., poly[N-acryloyl-(D/L), (-/+)-phenylalanine-co-(D/L), (+/-)-N-methacryloyloxyethyl-N’-2-hydroxybutyl(urea)], A-D/L-Phe-co-D/L-MABU, were characterized by FT-IR, 1D/2D NMR (¹H and ¹³C), UV-vis, and CD (CD) spectroscopies, differential scanning calorimetry (DSC), and gel permeation chromatog. (GPC). The copolymers obtained with a molar fraction of 0.76: 0.24 / 0.64: 0.36 monomer units had optical rotation values of -25° and +15° resp. Upon chem. modification of the phenylalanine-based copolymers with fluorescein-isothiocyanate, new fluorescent copolyacrylates (A-D/L-Phe-co-D/L-MABU-F) were synthesized and further studied for pH measurements in DMF solutions using HCl and NaOH 10^-1M. It was found that stereoselectivity of the A-L-Phe-co-L-MABU-F copolymer is higher than of its dextro-form, especially at basic pH. In the experiment, the researchers used many compounds, for example, (R)-2-Aminobutan-1-ol (cas: 5856-63-3SDS of cas: 5856-63-3).

(R)-2-Aminobutan-1-ol (cas: 5856-63-3) 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.SDS of cas: 5856-63-3

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Three-dimensional superlattices based on unusual chalcogenide supertetrahedral In-Sn-S nanoclusters was written by Wang, Wei;Wang, Xiang;Zhang, Jiaxu;Yang, Huajun;Luo, Min;Xue, Chaozhuang;Lin, Zhien;Wu, Tao. And the article was included in Inorganic Chemistry in 2019.Synthetic Route of C4H11NO This article mentions the following:

Reported here are two novel metal chalcogenide superlattices built from unusual supertetrahedral TO2-InSnS clusters. With regard to only one previously reported case of a TO2-InS-based 2D-layered structure, such a combination of In-Sn-S components is thought to be reasonable for leading to the first observation of 3D superlattices based on TO2-InSnS clusters. Besides, these title semiconducting materials also display good performance on the electrocatalytic oxygen reduction reaction. In the experiment, the researchers used many compounds, for example, (R)-2-Aminobutan-1-ol (cas: 5856-63-3Synthetic Route of C4H11NO).

(R)-2-Aminobutan-1-ol (cas: 5856-63-3) belongs to alcohols. Alkyl halides are often synthesized from alcohols, in effect substituting a halogen atom for the hydroxyl group. 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.Synthetic Route of C4H11NO

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

The chiral boronate-catalyzed asymmetric transfer hydrogenation of various aromatic ketones to high-value alcohols: Preparation and spectroscopic studies was written by Kilic, Ahmet;Durgun, Mustafa;Durap, Feyyaz;Aydemir, Murat. And the article was included in Journal of Organometallic Chemistry in 2019.COA of Formula: C4H11NO This article mentions the following:

The synthesis, spectroscopic studies and catalytic evaluation of the novel chiral salen ligands and their chiral boronate I and II [R = Bu, Ph, 3,5-difluoromethylphenyl, ferrocenyl] complexes was studied. Initially, the reaction of 5-azidomethyl salicylaldehyde and (R)-(-)-2-amino-1-butanol in absolute ethanol afforded a new chiral azide salen ligand. Then, a novel chiral salen ligand triazole derivative was prepared from chiral salen azide derivative for the synthesis of boronate complexes II through click reaction approach under ambient conditions. The reaction of chiral ligands with various boronic acids afforded a new tetra-coordinated mononuclear chiral boronate complexes I and II. All the compounds were remarkably stable crystalline solids and were obtained in good yields. For the full characterization of newly synthesized chiral salen ligands and their boronate complexes, the FT-IR, UV-Vis, NMR (¹H, ¹³C and ¹¹B), LC-MS and elemental anal. techniques were used. The well-shaped chiral boronate compounds were investigated as catalyst for the asym. transfer hydrogenation (ATH) of aromatic ketones under appropriate settings. Particularly, it was proved that the ferrocene-based boronate compounds afforded an efficient catalytic conversion compared to the other boronate complexes in the asym. transfer hydrogenation catalytic studies. In the experiment, the researchers used many compounds, for example, (R)-2-Aminobutan-1-ol (cas: 5856-63-3COA of Formula: C4H11NO).

(R)-2-Aminobutan-1-ol (cas: 5856-63-3) belongs to alcohols. Because alcohols are easily synthesized and easily transformed into other compounds, they serve as important intermediates in organic synthesis. 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.COA of Formula: C4H11NO

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Potential of supercritical fluid myrtle extracts as an active ingredient and co-preservative for cosmetic and topical pharmaceutical applications was written by Pereira, Paula;Mauricio, Elisabete Muchagato;Duarte, Maria Paula;Lima, Katelene;Fernandes, Ana S.;Bernardo-Gil, Gabriela;Cebola, Maria-Joao. And the article was included in Sustainable Chemistry and Pharmacy in 2022.Related Products of 57-55-6 This article mentions the following:

This study investigated the applications of a myrtle extract obtained by supercritical fluid extraction (SFE), a technique considered environmentally friendly, as a possible antimicrobial ingredient in cosmetic and pharmaceutical formulations. The supercritical fluid extract was obtained at 230 bar and 45 °C, for 2 h, with a flow of CO₂ of 0.3 kg h^-1. A cosolvent (ethanol) was also used, with a flow 0.09 kg h^-1. The extracts thus obtained were tested against seven Gram-pos. bacteria and one yeast using the well diffusion and the broth dilution techniques. The results showed that the myrtle extract exhibits good antibacterial activity against all the bacteria strains studied and is superior to most of those obtained by conventional extraction methods. Antifungal activity was also present but at a lesser extent. Cell viability studies were carried out by exposing HaCat cells to a range of extract concentrations, from 0.1 μg/mL up to 60 μg/mL for 24 h, using the MTT assay. The Salmonella mutagenicity assay was applied to evaluate the mutagenicity and antimutagenicity of the extract The results obtained suggest that the myrtle extract obtained using a green solvent, supercritical CO₂, is safe and could reduce the genotoxic damage induced by reactive oxygen species (ROSs). In the experiment, the researchers used many compounds, for example, 1,2-Propanediol (cas: 57-55-6Related Products of 57-55-6).

1,2-Propanediol (cas: 57-55-6) 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.Related Products of 57-55-6

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Ultraviolet Light Detectable Circularly Polarized Room Temperature Phosphorescence in Chiral Naphthalimide Self-Assemblies was written by An, Shuguo;Gao, Liang;Hao, Aiyou;Xing, Pengyao. And the article was included in ACS Nano in 2021.Category: alcohols-buliding-blocks This article mentions the following:

The combination of circularly polarized luminescence (CPL) and pure-organic room temperature phosphorescence (RTP) potentially facilitates the construction of organic chiroptical optoelectronics and display materials, which however are challenging to use in realizing smart control of luminescent colors and switchable chiroptical properties. Here, we show a host-guest strategy to fabricate color-tunable RTP-based circularly polarized phosphorescence. Naphthalimides were conjugated directly to chiral segments, of which supramol. chirality and CPL activities in solid-states could be triggered by substituting bromine atoms on amines. Introducing tetracyanobenzene as an achiral host matrix via simple grinding would allow for the intersystem crossing to trigger red RTP and corresponding CPL by excitation lower than 320 nm, with a large Stokes shift more than 300 nm. The critical excitation wavelength of the RTP switch is determined by the absorbance of tetracyanobenzene. When the excitation wavelength was larger than 320 nm, blue fluorescence dominated with turned off RTP and CPL. The excitation wavelength-dependent RTP and CPL switch allows for detecting UV light, showing distinguishable red-blue luminescent color transition, accompanied by on/off RTP. Changing the host matrix from tetracyanobenzene to tricyanobenzene or dicyanobenzene could adjust the critical detecting wavelength limit from 320 to 300 nm. This work establishes a strategy to realize color-tunable, UV light detectable RTP and CPL under smart control. In the experiment, the researchers used many compounds, for example, (R)-2-Aminobutan-1-ol (cas: 5856-63-3Category: alcohols-buliding-blocks).

(R)-2-Aminobutan-1-ol (cas: 5856-63-3) 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. 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

Dual Gold-Catalyzed Formal Tetradehydro-Diels-Alder Reactions for the Synthesis of Carbazoles and Indolines was written by Wang, Hong-Fa;Wang, Shi-Yue;Qin, Tian-Zhu;Zi, Weiwei. And the article was included in Chemistry – A European Journal in 2018.Application In Synthesis of (R)-2-Aminobutan-1-ol This article mentions the following:

A dual gold-catalyzed tetradehydro-Diels-Alder reaction was reported for the synthesis of indolines and carbazoles as well as other N-containing aromatic heterocycles, e.g., I, from yne-ynamides in high yields with good functional group tolerance. Unlike the traditional thermal tetradehydro-Diels-Alder reactions, diluted reaction concentration and radical prohibitors were not required for this protocol. Exptl. data supported a mechanism involving gold vinylidene species, which undergoes a 6 π electrocyclization, followed with 1,2-hydrogen shift. In the experiment, the researchers used many compounds, for example, (R)-2-Aminobutan-1-ol (cas: 5856-63-3Application In Synthesis of (R)-2-Aminobutan-1-ol).

(R)-2-Aminobutan-1-ol (cas: 5856-63-3) 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.Application In Synthesis of (R)-2-Aminobutan-1-ol

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Novel pyrazole-centered derivatives having Mono/Di chiral centered group as organocatalyst for Henry reaction was written by Cetin, Adnan;Bildirici, Ishak;Guemues, Selcuk. And the article was included in Macedonian Journal of Chemistry and Chemical Engineering in 2020.Application In Synthesis of (R)-2-Aminobutan-1-ol This article mentions the following:

The chiral substituted pyrazole compounds I, II, III and IV (R= C₆H₅, CH(CH₃)₂, C₂H₅) were prepared via the pyrazolo-3-chlorocarbonyl, pyrazolo-3,4-dicarboxy Me ester with pyrazole-3-isothiocyanate with different (R)-chiral amino alcs. All of the synthesized chiral compounds binding a pyrazole skeleton were investigated as organocatalysts for asym. aldol reactions between nitromethane and p-nitrobenzaldehyde in the presence of CuCl. Enantiomeric excesses and the reaction yields were found to be appropriate values. Furthermore, the best organocatalyst applied in this study was identified after careful optimization of conditions. Lastly, all of the novel compounds were subjected to computational anal. at the B3LYP/6-31++G(d,p) level of theory to obtain in-formation about their structural and electronic properties. In the experiment, the researchers used many compounds, for example, (R)-2-Aminobutan-1-ol (cas: 5856-63-3Application In Synthesis of (R)-2-Aminobutan-1-ol).

(R)-2-Aminobutan-1-ol (cas: 5856-63-3) 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. 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 (R)-2-Aminobutan-1-ol

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts