Tag: 100-200

Synthesis of Novel Ultraviolet Absorbers and Preparation and Field Application of Anti-Ultraviolet Aging PBAT/UVA Films was written by Qiao, Run-Meng;Zhao, Chi-Peng;Liu, Jia-Lei;Zhang, Mao-Lin;He, Wen-Qing. And the article was included in Polymers (Basel, Switzerland) in 2022.Application of 6294-17-3 The following contents are mentioned in the article:

Poly-(butylene adipate-co-terephthalate) (PBAT) has become one of the most prevalent biodegradable plastic film materials owing to its good degradability, mech. properties, and processability. However, the degradation time of this material was too fast and the functional period was short, which limited its application. Herein, three new tropolone-based UV absorbers (UVA-1C, UVA-4C and UVA-6C) were rationally designed and blended into PBAT. The PBAT/UVA films that formed were used against UV aging and prolonged the functional period of PBAT film. The three new absorbers were synthesized by bridging two tropolones using three different organic chains with different flexibility. Among them, the UVA-6C showed the strongest UV absorbance at around 238 nm and 320 nm. Consequently, the PBAT/UVA-6C film showed an extended validity period of 240 h in the Xenon lamp aging machine and a prolonged functional period of 8 d during the field application test when compared to pure PBAT. More importantly, a 7.8% increase in the maize yield was obtained under PBAT/UVA-6C film relative to pure PBAT film. Obviously, the novel prepared UVA-6C compound is a good candidate for UV absorption in PBAT, which makes PBAT/UVA-6C film more advantageous over pure PBAT in practical applications as biodegradable agricultural film. This study involved multiple reactions and reactants, such as 1-Bromo-6-chlorohexane (cas: 6294-17-3Application of 6294-17-3).

1-Bromo-6-chlorohexane (cas: 6294-17-3) belongs to organic chlorides. Organic chlorides are compounds containing a carbon-chlorine bond, which are widely used in the oil field as a wax dissolver. Alkyl chlorides readily react with amines to give substituted amines. Alkyl chlorides are substituted by softer halides such as the iodide in the Finkelstein reaction.Application of 6294-17-3

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Design, synthesis, and photochemical properties of clickable caged compounds was written by Suzuki, Akinobu Z.;Shiraishi, Yukiko;Aoki, Hanami;Sasaki, Hirona;Watahiki, Rei;Furuta, Toshiaki. And the article was included in Journal of Visualized Experiments in 2019.Related Products of 638-07-3 The following contents are mentioned in the article:

A method for the synthesis of clickable caged compounds I [R = 3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl, 2-(2-{2-[(6-chlorohexyl)oxy]ethoxy}ethoxy)ethyl] that can be modified easily with various functional units via the copper(I)-catalyzed Huisgen cyclization was reported. The modular platform mol. contains a (6-bromo-7-hydroxycoumarin-4-yl)methyl (Bhc) group as a photo-caging group, which exhibits a high photolysis efficiency compared to those of the conventional 2-nitrobenzyls. General procedures for the preparation of clickable caged compounds containing amines II [R¹ = (6-{[(tert-butoxy)carbonyl]amino}hexyl)aminyl], alcs. I [R = prop-2-yn-1-yl], and carboxylates II [R¹ = (4Z,7Z,10Z,12Z)-octadeca-4,7,10,12-tetraen-1-yl] are presented. Addnl. properties such as the water solubility and cell targeting ability can be readily incorporated into clickable caged compounds I. Furthermore, the phys. and photochem. properties, including the photolysis quantum yield, were measured and found to be superior to those of the corresponding Bhc caged compounds The described protocol could therefore be considered a potential solution for the lack of structural diversity in the available caged compounds This study involved multiple reactions and reactants, such as Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3Related Products of 638-07-3).

Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3) belongs to organic chlorides. Organic chlorides can cause corrosion in pipelines, valves and condensers, and cause catalyst poisoning. The hydrocarbon processing industry (HPI) and others are affected by damage caused by these substances. Alkyl chlorides readily react with amines to give substituted amines. Alkyl chlorides are substituted by softer halides such as the iodide in the Finkelstein reaction.Related Products of 638-07-3

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Mitochondrial-targeted near-infrared fluorescence probe for selective detection of fluoride ions in living cells was written by Xu, Xiaobo;Chen, Wen;Yang, Mei;Liu, Xian-Jun;Wang, Fenglin;Yu, Ru-Qin;Jiang, Jian-Hui. And the article was included in Talanta in 2019.Product Details of 95-88-5 The following contents are mentioned in the article:

Fluoride ions (F^–), as a strongest electron withdrawing anion of the smallest size, have played an indispensable role in biol. systems. Here a mitochondria-targeted near-IR (NIR) fluorescent probe (Mito-FP) is developed for selective detection of F^– in living cells. Mito-FP is designed using a NIR hemicyanine as a fluorophore and tert-butyldimethylsilyl (TBDMS) as a recognition site which is linked to the fluorophore via a 4-hydroxylbenzyl alc. self-immolative linker. Mito-FP is essentially nonfluorescent. F^– can specifically cleave the Si-O bond which triggers the elimination of the quinone methide intermediate and generates the initial NIR hemicyanine fluorophore with distinct intramol. charge transfer and activated fluorescence signal. The Mito-FP probe is responsive to the concentrations of F^– in the range of 10-120μM with an estimated limit of detection of 3.2μM. Mito-FP also exhibits high selectivity toward F^– with good stability in the physiol. pH conditions. Mito-FP is successfully introduced to detect and image F^– in HeLa cells. Moreover, Mito-FP is also demonstrated to exhibit excellent mitochondrial-targeting ability. This NIR fluorescence probe could provide a useful tool for studying F^– in mitochondria. This study involved multiple reactions and reactants, such as 4-Chlororesorcinol (cas: 95-88-5Product Details of 95-88-5).

4-Chlororesorcinol (cas: 95-88-5) belongs to organic chlorides. An organic chloride is an organic compound containing at least one covalently bonded atom of chlorine. Their wide structural variety and divergent chemical properties lead to a broad range of names and applications. The haloform reaction, using chlorine and sodium hydroxide, is also able to generate alkyl halides from methyl ketones, and related compounds. Chloroform was formerly produced thus.Product Details of 95-88-5

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Synthesis of α-cyano and α-sulfonyl cyclic ethers via intramolecular reactions of peroxides with sulfone- and nitrile-stabilized carbanions was written by Horn, Alissa;Dussault, Patrick H.. And the article was included in Journal of Organic Chemistry in 2019.HPLC of Formula: 6294-17-3 The following contents are mentioned in the article:

The intramol. reaction of carbon nucleophiles with oxygen-centered electrophiles has been little explored outside of nucleophilic epoxidation Synthesis of sulfonyl- and cyano-substituted oxacycles via intramol. reaction of sulfone- and nitrile-stabilized carbanions with dialkyl peroxides, triethylsilyl/alkyl peroxides, and monoperoxyacetals were reported. The cyclizations are successfully applied to synthesis of oxetanes, tetrahydrofurans, and tetrahydropyrans but fail for oxepanes. Cyclizations involving the relatively stabilized anion derived from a benzylic nitrile proceed in high yield for a variety of peroxides, including those in which the electrophilic oxygen is formally iso-Bu or neopentyl. Corresponding cyclizations of an alkanenitrile are successful with both dialkyl and alkyl silyl peroxides but demonstrate much greater variability in yield. Reactions of sulfone-containing substrates are successful only with dialkyl peroxides. The success of reactions appears to be strongly influenced by the rate of peroxide decomposition, which appears to be highest for reactions involving poorly stabilized anions. The significant variation in diastereoselectivity observed for different classes of peroxide on a common framework suggests the possibility of substrate-dependent reaction mechanisms. This study involved multiple reactions and reactants, such as 1-Bromo-6-chlorohexane (cas: 6294-17-3HPLC of Formula: 6294-17-3).

1-Bromo-6-chlorohexane (cas: 6294-17-3) belongs to organic chlorides. Chlorinated organic compounds are found in nearly every class of biomolecules and natural products including alkaloids, terpenes, amino acids, flavonoids, steroids, and fatty acids. Organochlorine compounds are lipophylic, meaning they are more soluble in fat than in water. This gives them a high tenancy to accumulate in the food chain (biomagnification).HPLC of Formula: 6294-17-3

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Synthesis, characterization and photoluminescence properties of an organic-inorganic hybrid monolacunary Keggin-type polyoxotungstate was written by Wang, Ke;Feng, Shuo;Ma, Pengtao. And the article was included in Inorganic Chemistry Communications in 2021.Synthetic Route of C4H12ClN The following contents are mentioned in the article:

An organic-inorganic hybrid lanthanide-based polyoxometalate (Ln-POM) [N(CH₃)₄]₃K₂[Tb(C₇H₅O₃)(H₂O)₂(α-PW₁₁O₃₉)]·10H₂O (1) was synthesized and further characterized by single crystal x-ray diffraction anal., elemental analyses, Inductive Coupled Plasma Emission Spectrometer (ICP), powder x-ray diffraction (PXRD), Fourier transform IR (FTIR) spectroscopy, solid-state UV/vis spectrum and thermogravimetric analyses (TGA). Single-crystal x-ray diffraction analyses indicated that both organic ligand and [α-PW₁₁O₃₉]^7- group directly bind Tb³⁺ center for the formation of polyanion in 1. The photoluminescence property of 1 was investigated at room temperature, and the results showed that compound 1 exhibits lower energy transfer efficiency from POM fragment and organic ligand to Tb³⁺ ion. Furthermore, time-resolved emission spectroscopy indicates that the photoexcitation O → M ligand to metal charge transfer (LMCT) of POM fragments and organic ligand can sensitize the Tb³⁺ ions through intramol. energy transitions in 1. This study involved multiple reactions and reactants, such as Tetramethylammonium chloride (cas: 75-57-0Synthetic Route of C4H12ClN).

Tetramethylammonium chloride (cas: 75-57-0) belongs to organic chlorides. Chlorinated organic compounds are found in nearly every class of biomolecules and natural products including alkaloids, terpenes, amino acids, flavonoids, steroids, and fatty acids. Aryl chlorides may be prepared by the Friedel-Crafts halogenation, using chlorine and a Lewis acid catalyst.Synthetic Route of C4H12ClN

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Radiolytic degradation of chlorobenzene in aerated and deoxygenated aqueous solutions was written by Albarran, Guadalupe;Mendoza, Edith. And the article was included in Environmental Science and Pollution Research in 2020.Quality Control of 4-Chlororesorcinol The following contents are mentioned in the article:

Abstract: Radiation-induced degradation of chlorobenzene was conducted at 0.1, 0.4, 0.5, 0.7, and 1.0 mmol/dm³ concentrations in aerated environment and at 1.0 mmol/dm³ in oxygen-free and N₂O-saturated solutions The results demonstrated that the elimination of chloride is important when the solution is oxygen free, because the e^–aq attacks at the ipso position of the chloro group produces hydrochloric acid. The degradation was affected to a large extent by the concentration and to a lesser extent by the presence or absence of oxygen in the solutions which were irradiated. Thereby, the degradation occurred faster in the solutions with air and without oxygen and more slowly in the saturated solution with N₂O. Some byproducts were identified using an HPLC-UV-mass system. In addition, it was found that there is a linear correlation between the ln C/C₀ and the dose, indicating that the radiolytic degradation followed pseudo-first-order reaction kinetics. The radiolytic oxidation was followed by the COD (COD) test. The COD decreases when the solute concentration increases. The COD results were for a 0.47 mmol/dm³ of 5.94 mg O₂ dm^-3 kGy^-1 and for 0.09 mmol/dm³ of 7.45 mg O₂ dm^-3 kGy^-1. This study involved multiple reactions and reactants, such as 4-Chlororesorcinol (cas: 95-88-5Quality Control of 4-Chlororesorcinol).

4-Chlororesorcinol (cas: 95-88-5) belongs to organic chlorides. Organochlorines are organic compounds having multiple chlorine atoms. They were the first synthetic pesticides that were used in agriculture. They are resistant to most microbial and chemical degradations. Aliphatic organochlorides are often alkylating agents as chlorine can act as a leaving group, which can result in cellular damage.Quality Control of 4-Chlororesorcinol

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Deep desulfurization performance of thiophene with deep eutectic solvents loaded carbon nanotube composites was written by Liu, Yue;Xue, Jiaojiao;Zhou, Xin;Cui, Yingna;Yin, Jingmei. And the article was included in Royal Society Open Science in 2021.Name: Tetramethylammonium chloride The following contents are mentioned in the article:

One source of air pollution is the combustion of sulfur compounds in fuel oil. Reducing sulfur content in fuel oil has become a hot issue demanding timely solutions Using ionic liquids and deep eutectic solvents (DESs) to remove sulfides in fuel oil has achieved good results presently. However, since DESs are liquid and their transportation and separation are inconvenient, a new way is proposed that the DESs are loaded on the carbon nanotubes (CNTs) with large sp. surface area and good chem. stability. A series of composites materials (DESs/CNTs) were prepared Finally, they are applied to the removal of sulfides in fuel oil. This loading method, which imparts introduced unique physico-chem. properties of the DESs to the carrier materials, preserves both advantages while overcoming some of the problems with DESs. The interaction between DESs and CNTs is mutual promotion. Therefore, this study has important theor. significance and industrial application value. Under optimal conditions, when the reagent ChCl/p-TsOH (1 : 2) was loaded on multi-walled CNTs (OD= 30-60 nm) to prepare the composite material (ChCl/p-TsOH)/CNTs, the single desulfurization rate of the composite material was 95.8%. Finally, the catalytic/oxidation mechanism was studied systematically and this work would provide a green route for the desulfurization of fuels. This study involved multiple reactions and reactants, such as Tetramethylammonium chloride (cas: 75-57-0Name: Tetramethylammonium chloride).

Tetramethylammonium chloride (cas: 75-57-0) belongs to organic chlorides. Chlorination modifies the physical properties of hydrocarbons in several ways. These compounds are typically denser than water due to the higher atomic weight of chlorine versus hydrogen. Alkyl chlorides are versatile building blocks in organic chemistry. While alkyl bromides and iodides are more reactive, alkyl chlorides tend to be less expensive and more readily available.Name: Tetramethylammonium chloride

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Synthesis and biological evaluation of morpholines linked coumarin-triazole hybrids as anticancer agents was written by Goud, Nerella Sridhar;Pooladanda, Venkatesh;Mahammad, Ghouse S.;Jakkula, Pranay;Gatreddi, Santhosh;Qureshi, Insaf A.;Alvala, Ravi;Godugu, Chandraiah;Alvala, Mallika. And the article was included in Chemical Biology & Drug Design in 2019.Safety of Ethyl 4-chloro-3-oxobutanoate The following contents are mentioned in the article:

A series of novel morpholines linked coumarin-triazole hybrids (6a-6v) has been synthesized and evaluated for their anti-proliferative potential on a panel of five human cancer cell lines, namely bone (MG-63), lung (A549), breast (MDA-MB-231), colon (HCT-15) and liver (HepG2), using MTT assay. Among all, the compound 6n {7-((1-(2,4-dichlorobenzyl)-1H-1,2,3-triazol-4-yl) methoxy)-4-((2,6-dimethylmorpholino) methyl)-2H-chromen-2-one} showed significant growth inhibition against MG-63 cells with an IC₅₀ value of 0.80 ± 0.22μM. Further, induction of apoptosis by 6n of MG-63 cells confirmed as a result of morphol. changes, the sub-G1 phase arrest, increased percentage of apoptotic cells, and decrease in mitochondrial membrane potential and increase in reactive oxygen species levels. The in vitro Gal-1 expression in cell culture supernatant of MG-63 cells treated with compound 6n showed dose-dependent reduction The binding constant (K_a) of 6n with Gal-1 was calculated from the intercept value which was observed as 3.0 × 10⁵ M^-1 by fluorescence spectroscopy. Surface plasmon resonance showed that 6n binds to Gal-1 with binding constant (K_a) of 1.29E+04 1/Ms and equilibrium constant KD value of 7.54E-07 M, resp. Mol. docking studies revealed the binding interactions of 6n with Gal-1. This study involved multiple reactions and reactants, such as Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3Safety of Ethyl 4-chloro-3-oxobutanoate).

Ethyl 4-chloro-3-oxobutanoate (cas: 638-07-3) belongs to organic chlorides. An organic chloride is an organic compound containing at least one covalently bonded atom of chlorine. Their wide structural variety and divergent chemical properties lead to a broad range of names and applications. The haloform reaction, using chlorine and sodium hydroxide, is also able to generate alkyl halides from methyl ketones, and related compounds. Chloroform was formerly produced thus.Safety of Ethyl 4-chloro-3-oxobutanoate

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Synthesis and curing properties of castor oil-based triglycidyl ether epoxy resin was written by Fu, Qinghe;Tan, Jihuai;Han, Changhao;Zhang, Xiaoxiang;Fu, Bo;Wang, Fang;Zhu, Xinbao. And the article was included in Polymers for Advanced Technologies in 2020.Electric Literature of C4H12ClN The following contents are mentioned in the article:

Three epoxy resins castor oil glycidyl ether (COGE), epoxidized castor oil glycidyl ether (ECOGE) and hydrogenated castor oil glycidyl ether (HCOGE) have been synthesized based on castor oil through a mild epoxidation reaction. The research on curing performance shows that the modified products could improve the toughness of traditional epoxy resins remarkably. Moreover, when adding a small amount of products into traditional epoxy resin E-51, the mech. properties of the cured products were also significantly improved. Specifically, by blending ECOGE into E-51 at a ratio of 5%, the tensile strength, elongation at break, and impact resistance of the cured product were improved by 27.5%, 33.9%, and 39.7%, resp., from 64.03 MPa, 3.15% and 11.37 MPa to 81.61 MPa, 4.4%, and 15.22 MPa. DMA illustrated that after incorporating, the crosslinking d. of the cured product increase, but the glass transition temperatures were reduced by more than 20°C compared with E-51. SEM showed that COGE and ECOGE caused the cured products to exhibit tough fracture. TGA explained that the initial decomposition temperatures of the mixed systems reduced, but the high temperature resistance of the cured products improved. The design strategy based on castor oil highlights a sustainable avenue for preparing cost-effective and high-efficiency epoxy resins. This study involved multiple reactions and reactants, such as Tetramethylammonium chloride (cas: 75-57-0Electric Literature of C4H12ClN).

Tetramethylammonium chloride (cas: 75-57-0) belongs to organic chlorides. Organochlorines are organic compounds having multiple chlorine atoms. They were the first synthetic pesticides that were used in agriculture. They are resistant to most microbial and chemical degradations. Alkanes and aryl alkanes may be chlorinated under free radical conditions, with UV light. However, the extent of chlorination is difficult to control.Electric Literature of C4H12ClN

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics

Octadecylamine and glucose-coderived hydrophobic carbon dots-modified porous silica for chromatographic separation was written by Chen, Jia;Yuan, Ning;Jiang, Danni;Lei, Qian;Liu, Bei;Tang, Weiyang;Row, Kyung Ho;Qiu, Hongdeng. And the article was included in Chinese Chemical Letters in 2021.Application In Synthesis of 4-Chlororesorcinol The following contents are mentioned in the article:

A Hydrophobic carbon dots (Glc-OCDs) derived from octadecylamine and glucose were successfully synthesized for the first time and then grafted onto the porous silica surface by the “Nano-on-Micro” strategy, which was served as a new stationary phase (Sil-Glc-OCDs) for reversed-phase liquid chromatog. The structure of this stationary phase was carefully verified by laser scanning confocal microscope, Fourier transform IR spectrometry, elemental anal., contact angle measurement, etc. Several analytes including seven polycyclic aromatic hydrocarbons, eight alkylbenzenes, eight phenols and seven sulfonamides can be well separated on this stationary phase. Better separation performance for certain analytes over com. C₁₈ column was obtained. Interestingly, this stationary phase exhibited excellent chromatog. selectivity in the separation of the isomers of tert-butylbenzene, sec-butylbenzene, isobutylbenzene and n-butylbenzene. In addition, this new Sil-Glc-OCDs column was also applied for detection of calycosin-7-glucoside, ononin, calycosin, formononetin, genistein and isorhamnetin in the extract of Radix Astragali, which were found that the concentration was 0.15 g/L, 0.088 g/L, 0.14 g/L, 0.086 g/L, 0.18 g/L and 0.29 g/L, resp. We believe that this CDs-grafted silica materials are promising for chromatog. separation This study involved multiple reactions and reactants, such as 4-Chlororesorcinol (cas: 95-88-5Application In Synthesis of 4-Chlororesorcinol).

4-Chlororesorcinol (cas: 95-88-5) belongs to organic chlorides. Chlorinated organic compounds are found in nearly every class of biomolecules and natural products including alkaloids, terpenes, amino acids, flavonoids, steroids, and fatty acids. Aryl chlorides may be prepared by the Friedel-Crafts halogenation, using chlorine and a Lewis acid catalyst.Application In Synthesis of 4-Chlororesorcinol

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics