Tag: 200-300

Alam, A. K. M. Mashud et al. published their research in Nanomaterials in 2021 | CAS: 2387-23-7

1,3-Dicyclohexylurea (cas: 2387-23-7) belongs to amides. Amides are pervasive in nature and technology. Proteins and important plastics like Nylons, Aramid, Twaron, and Kevlar are polymers whose units are connected by amide groups (polyamides); these linkages are easily formed, confer structural rigidity, and resist hydrolysis. Amides can be recrystallised from large quantities of water, ethanol, ethanol/ether, aqueous ethanol, chloroform/toluene, chloroform or acetic acid. The likely impurities are the parent acids or the alkyl esters from which they have been made. The former can be removed by thorough washing with aqueous ammonia followed by recrystallisation, whereas elimination of the latter is by trituration or recrystallisation from an organic solvent.Recommanded Product: 1,3-Dicyclohexylurea

Synthesis, Fabrication, and Characterization of Functionalized Polydiacetylene Containing Cellulose Nanofibrous Composites for Colorimetric Sensing of Organophosphate Compounds was written by Alam, A. K. M. Mashud;Jenks, Donovan;Kraus, George A.;Xiang, Chunhui. And the article was included in Nanomaterials in 2021.Recommanded Product: 1,3-Dicyclohexylurea This article mentions the following:

Organophosphate (OP) compounds, a family of highly hazardous chem. compounds included in nerve agents and pesticides, have been linked to more than 250,000 annual deaths connected to various chronic diseases. However, a solid-state sensing system that is able to be integrated into a clothing system is rare in the literature. This study aims to develop a nanofiber-based solid-state polymeric material as a soft sensor to detect OP compounds present in the environment. Esters of polydiacetylene were synthesized and incorporated into a cellulose acetate nanocomposite fibrous assembly developed with an electrospinning technique, which was then hydrolyzed to generate more hydroxyl groups for OP binding. SEM, Fourier-transform IR spectroscopy, Instron tensile tester, contact angle analyzer, and UV-Vis spectroscopy were employed for characterizations. Upon hydrolysis, polydiacetylene esters in the cellulosic fiber matrix were found unaffected by hydrolysis treatment, which made the composites suitable for OP sensing. Furthermore, the nanofibrous (NF) composites exhibited tensile properties suitable to be used as a textile material. Finally, the NF composites exhibited colorimetric sensing of OP, which is visible to the naked eye. This research is a landmark study toward the development of OP sensing in a protective clothing system. In the experiment, the researchers used many compounds, for example, 1,3-Dicyclohexylurea (cas: 2387-23-7Recommanded Product: 1,3-Dicyclohexylurea).

1,3-Dicyclohexylurea (cas: 2387-23-7) belongs to amides. Amides are pervasive in nature and technology. Proteins and important plastics like Nylons, Aramid, Twaron, and Kevlar are polymers whose units are connected by amide groups (polyamides); these linkages are easily formed, confer structural rigidity, and resist hydrolysis. Amides can be recrystallised from large quantities of water, ethanol, ethanol/ether, aqueous ethanol, chloroform/toluene, chloroform or acetic acid. The likely impurities are the parent acids or the alkyl esters from which they have been made. The former can be removed by thorough washing with aqueous ammonia followed by recrystallisation, whereas elimination of the latter is by trituration or recrystallisation from an organic solvent.Recommanded Product: 1,3-Dicyclohexylurea

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Mane, Kishor D. et al. published their research in Journal of Organic Chemistry in 2022 | CAS: 1146-43-6

N-(4-Hydroxyphenyl)-4-methylbenzenesulfonamide (cas: 1146-43-6) belongs to amides. The solubilities of amides and esters are roughly comparable. Typically amides are less soluble than comparable amines and carboxylic acids since these compounds can both donate and accept hydrogen bonds. Tertiary amides, with the important exception of N,N-dimethylformamide, exhibit low solubility in water. Amides are stable compounds. The lower-melting members (such as acetamide) can be readily purified by fractional distillation. Most amides are solids which have low solubilities in water.HPLC of Formula: 1146-43-6

Acetic Acid-Catalyzed Regioselective C(sp2)-H Bond Functionalization of Indolizines: Concomitant Involvement of Synthetic and Theoretical Studies was written by Mane, Kishor D.;Mukherjee, Anirban;Das, Gourab Kanti;Suryavanshi, Gurunath. And the article was included in Journal of Organic Chemistry in 2022.HPLC of Formula: 1146-43-6 This article mentions the following:

An atom economical and environmentally benign protocol has been developed for the regioselective C(sp2)-H bond functionalization of indolizines. The acetic acid-catalyzed cross-coupling reaction proceeds under metal-free conditions, producing a wide range of synthetically useful indolizine derivatives The present protocol showed good functional group tolerance and broad substrate scope in good to excellent yields. Quantum mech. investigation using d. functional theory (DFT) has played a crucial role in understanding that acetic acid is the key player in determining the actual pathway as the catalyst and its ultrafast nature. Different pathways involving inter- and intramol. proton transfer, with or without acetic acid, were investigated. Calculated results revealed that a proton shuttle mechanism is involved for the least energetic, most favorable acetic acid-catalyzed pathway. Furthermore, regioselectivity has also been explained theor. In the experiment, the researchers used many compounds, for example, N-(4-Hydroxyphenyl)-4-methylbenzenesulfonamide (cas: 1146-43-6HPLC of Formula: 1146-43-6).

N-(4-Hydroxyphenyl)-4-methylbenzenesulfonamide (cas: 1146-43-6) belongs to amides. The solubilities of amides and esters are roughly comparable. Typically amides are less soluble than comparable amines and carboxylic acids since these compounds can both donate and accept hydrogen bonds. Tertiary amides, with the important exception of N,N-dimethylformamide, exhibit low solubility in water. Amides are stable compounds. The lower-melting members (such as acetamide) can be readily purified by fractional distillation. Most amides are solids which have low solubilities in water.HPLC of Formula: 1146-43-6

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Ding, Wei et al. published their research in Qingdao Daxue Xuebao, Gongcheng Jishuban in 2009 | CAS: 10543-57-4

N,N-(Ethane-1,2-diyl)bis(N-acetylacetamide) (cas: 10543-57-4) belongs to amides. Amides are pervasive in nature and technology. Proteins and important plastics like Nylons, Aramid, Twaron, and Kevlar are polymers whose units are connected by amide groups (polyamides); these linkages are easily formed, confer structural rigidity, and resist hydrolysis. The presence of the amide group –C(=O)N– is generally easily established, at least in small molecules. It can be distinguished from nitro and cyano groups in IR spectra. Amides exhibit a moderately intense νCO band near 1650 cm−1. By 1H NMR spectroscopy, CONHR signals occur at low fields. In X-ray crystallography, the C(=O)N center together with the three immediately adjacent atoms characteristically define a plane.Computed Properties of C10H16N2O4

Application and investigation of TAED advanced oxidation in the polyester/cotton fabric desizing process was written by Ding, Wei;Zhou, Rong;Zheng, Qing-kang. And the article was included in Qingdao Daxue Xuebao, Gongcheng Jishuban in 2009.Computed Properties of C10H16N2O4 This article mentions the following:

TAED oxidation system was employed in order to remove PVA from the polyester/cotton fabric and to make it degrade into small degradable organic compound Effects of TAED/H2O2 molar ratio, TAED and H2 O2 amounts, initial pH value of the desizing solution, desizing temperature and desizing time in TAED/H2O2 oxidation system were investigated in order to remove PVA from the fabric and improve its biodegradability. The optimal operation condition determined by orthogonal test method were: temperature of 80°C, time of 60 min, pH value of 7, TAED/H2O2 molar ratio of 1/3, TAED amount of 0.06 mol/L and liquor ratio of 1:30. Under this optimal operation condition, the desizing rate is 99.7%, which shows a good desizing result. In the experiment, the researchers used many compounds, for example, N,N-(Ethane-1,2-diyl)bis(N-acetylacetamide) (cas: 10543-57-4Computed Properties of C10H16N2O4).

N,N-(Ethane-1,2-diyl)bis(N-acetylacetamide) (cas: 10543-57-4) belongs to amides. Amides are pervasive in nature and technology. Proteins and important plastics like Nylons, Aramid, Twaron, and Kevlar are polymers whose units are connected by amide groups (polyamides); these linkages are easily formed, confer structural rigidity, and resist hydrolysis. The presence of the amide group –C(=O)N– is generally easily established, at least in small molecules. It can be distinguished from nitro and cyano groups in IR spectra. Amides exhibit a moderately intense νCO band near 1650 cm−1. By 1H NMR spectroscopy, CONHR signals occur at low fields. In X-ray crystallography, the C(=O)N center together with the three immediately adjacent atoms characteristically define a plane.Computed Properties of C10H16N2O4

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Gu, Yuanyun et al. published their research in Journal of Organic Chemistry in 2022 | CAS: 192436-83-2

4-Bromo-N-methoxy-N-methylbenzamide (cas: 192436-83-2) belongs to amides. The solubilities of amides and esters are roughly comparable. Typically amides are less soluble than comparable amines and carboxylic acids since these compounds can both donate and accept hydrogen bonds. Tertiary amides, with the important exception of N,N-dimethylformamide, exhibit low solubility in water. The presence of the amide group –C(=O)N– is generally easily established, at least in small molecules. It can be distinguished from nitro and cyano groups in IR spectra. Amides exhibit a moderately intense νCO band near 1650 cm−1. By 1H NMR spectroscopy, CONHR signals occur at low fields. In X-ray crystallography, the C(=O)N center together with the three immediately adjacent atoms characteristically define a plane.Product Details of 192436-83-2

Benzylic Aroylation of Toluenes Mediated by a LiN(SiMe3)2/Cs+ System was written by Gu, Yuanyun;Zhang, Zhen;Wang, Yan-En;Dai, Ziteng;Yuan, Yaqi;Xiong, Dan;Li, Jie;Walsh, Patrick J.;Mao, Jianyou. And the article was included in Journal of Organic Chemistry in 2022.Product Details of 192436-83-2 This article mentions the following:

Chemoselective deprotonative functionalization of benzylic C-H bonds is challenging, because the arene ring contains multiple aromatic C(sp2)-H bonds, which can be competitively deprotonated and lead to selectivity issues. Recently it was found that bimetallic [MN(SiMe3)2 M = Li, Na]/Cs+ combinations exhibit excellent benzylic selectivity. Herein, is reported the first deprotonative addition of toluenes to Weinreb amides mediated by LiN(SiMe3)2/CsF for the synthesis of a diverse array of 2-arylacetophenones. Surprisingly, simple Me benzoates also react with toluenes under similar conditions to form 2-arylacetophenones without double addition to give tertiary alc. products. This finding greatly increases the practicality and impact of this chem. Some challenging substrates with respect to benzylic deprotonations, such as fluoro and methoxy substituted toluenes, are selectively transformed to 2-aryl acetophenones. The value of benzylic deprotonation of 3-fluorotoluene is demonstrated by the synthesis of a key intermediate in the preparation of Polmacoxib. In the experiment, the researchers used many compounds, for example, 4-Bromo-N-methoxy-N-methylbenzamide (cas: 192436-83-2Product Details of 192436-83-2).

4-Bromo-N-methoxy-N-methylbenzamide (cas: 192436-83-2) belongs to amides. The solubilities of amides and esters are roughly comparable. Typically amides are less soluble than comparable amines and carboxylic acids since these compounds can both donate and accept hydrogen bonds. Tertiary amides, with the important exception of N,N-dimethylformamide, exhibit low solubility in water. The presence of the amide group –C(=O)N– is generally easily established, at least in small molecules. It can be distinguished from nitro and cyano groups in IR spectra. Amides exhibit a moderately intense νCO band near 1650 cm−1. By 1H NMR spectroscopy, CONHR signals occur at low fields. In X-ray crystallography, the C(=O)N center together with the three immediately adjacent atoms characteristically define a plane.Product Details of 192436-83-2

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Smith, A. J. et al. published their research in Marine Pollution Bulletin in 2015 | CAS: 10543-57-4

N,N-(Ethane-1,2-diyl)bis(N-acetylacetamide) (cas: 10543-57-4) belongs to amides. The amide group is called a peptide bond when it is part of the main chain of a protein, and an isopeptide bond when it occurs in a side chain, such as in the amino acids asparagine and glutamine. Amides are not in general accessible by the direct condensation of amines with carboxylic acids for two reasons: first, both components are readily deactivated by a transfer of a proton from the acid to the amine and second, the hydroxy unit on the carbonyl of the acid is a relatively poor leaving group. Nevertheless, the formation of five- and six-membered rings is often surprisingly simple provided that other factors can be brought into play to assist in the condensation.Application of 10543-57-4

Screening for contaminant hotspots in the marine environment of Kuwait using ecotoxicological and chemical screening techniques was written by Smith, A. J.;McGowan, T.;Devlin, M. J.;Massoud, M. S.;Al-Enezi, M.;Al-Zaidan, A. S.;Al-Sarawi, H. A.;Lyons, B. P.. And the article was included in Marine Pollution Bulletin in 2015.Application of 10543-57-4 This article mentions the following:

Kuwait is a country with low rainfall and highly concentrated industrial and domestic effluents entering its coastal waters. These can be both treated and untreated. In this study we sampled a series of coastal and open-sea sites and used a variety of analyses to identify those sites requiring the most attention. We used a high throughput GC-MS screen to look for over 1000 chems. in the samples. Estrogen and androgen screens assessed the potential to disrupt endocrine activity. An oyster embryo development screen was used to assess biol. effect potential. The chem. screen identified sites which had high numbers of identified industrial and domestic chems. The oyster screen showed that these sites had also caused high levels of developmental abnormalities with 100% of embryos affected at some sites. The yeast screen showed that estrogenic chems. were present in outfalls at 2-3 ng/l E2 equiv, and detectable even in some open water sites. In the experiment, the researchers used many compounds, for example, N,N-(Ethane-1,2-diyl)bis(N-acetylacetamide) (cas: 10543-57-4Application of 10543-57-4).

N,N-(Ethane-1,2-diyl)bis(N-acetylacetamide) (cas: 10543-57-4) belongs to amides. The amide group is called a peptide bond when it is part of the main chain of a protein, and an isopeptide bond when it occurs in a side chain, such as in the amino acids asparagine and glutamine. Amides are not in general accessible by the direct condensation of amines with carboxylic acids for two reasons: first, both components are readily deactivated by a transfer of a proton from the acid to the amine and second, the hydroxy unit on the carbonyl of the acid is a relatively poor leaving group. Nevertheless, the formation of five- and six-membered rings is often surprisingly simple provided that other factors can be brought into play to assist in the condensation.Application of 10543-57-4

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Parisi, Giovanna et al. published their research in Journal of the American Chemical Society in 2017 | CAS: 116332-61-7

N-Methoxy-N-methyl-4-(trifluoromethyl)benzamide (cas: 116332-61-7) belongs to amides. Amides include many other important biological compounds, as well as many drugs like paracetamol, penicillin and LSD. Low-molecular-weight amides, such as dimethylformamide, are common solvents. Amides are stable compounds. The lower-melting members (such as acetamide) can be readily purified by fractional distillation. Most amides are solids which have low solubilities in water.Quality Control of N-Methoxy-N-methyl-4-(trifluoromethyl)benzamide

Exploiting a “Beast” in Carbenoid Chemistry: Development of a Straightforward Direct Nucleophilic Fluoromethylation Strategy was written by Parisi, Giovanna;Colella, Marco;Monticelli, Serena;Romanazzi, Giuseppe;Holzer, Wolfgang;Langer, Thierry;Degennaro, Leonardo;Pace, Vittorio;Luisi, Renzo. And the article was included in Journal of the American Chemical Society in 2017.Quality Control of N-Methoxy-N-methyl-4-(trifluoromethyl)benzamide This article mentions the following:

The first direct and straightforward nucleophilic fluoromethylation of organic compounds is reported. The tactic employs a “fleeting” lithium fluorocarbenoid (LiCH2F) generated from com. available fluoroiodomethane. Precise reaction conditions were developed for the generation and synthetic exploitation of such a labile species. The versatility of the strategy is showcased in ca. 50 examples involving a plethora of electrophiles. Highly valuable chems. such as fluoroalcs., fluoroamines, and fluoromethylated oxygenated heterocycles could be prepared in very good yields through a single synthetic operation. The scalability of the reaction and its application to complex mol. architectures (e.g., steroids) are documented. PhSOCH2F. In the experiment, the researchers used many compounds, for example, N-Methoxy-N-methyl-4-(trifluoromethyl)benzamide (cas: 116332-61-7Quality Control of N-Methoxy-N-methyl-4-(trifluoromethyl)benzamide).

N-Methoxy-N-methyl-4-(trifluoromethyl)benzamide (cas: 116332-61-7) belongs to amides. Amides include many other important biological compounds, as well as many drugs like paracetamol, penicillin and LSD. Low-molecular-weight amides, such as dimethylformamide, are common solvents. Amides are stable compounds. The lower-melting members (such as acetamide) can be readily purified by fractional distillation. Most amides are solids which have low solubilities in water.Quality Control of N-Methoxy-N-methyl-4-(trifluoromethyl)benzamide

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Lin, Limiao et al. published their research in Polymer Chemistry in 2022 | CAS: 2387-23-7

1,3-Dicyclohexylurea (cas: 2387-23-7) belongs to amides. The solubilities of amides and esters are roughly comparable. Typically amides are less soluble than comparable amines and carboxylic acids since these compounds can both donate and accept hydrogen bonds. Tertiary amides, with the important exception of N,N-dimethylformamide, exhibit low solubility in water. Ionic, or saltlike, amides are strongly alkaline compounds ordinarily made by treating ammonia, an amine, or a covalent amide with a reactive metal such as sodium.Quality Control of 1,3-Dicyclohexylurea

Construction of triblock copolyesters via one-step switchable terpolymerization of epoxides, phthalic anhydride and ε-caprolactone using dual urea/organic base catalysts was written by Lin, Limiao;Chen, Xin;Xiang, Huanxin;Chang, Min;Xu, Yonghang;Zhao, Hongting;Meng, Yuezhong. And the article was included in Polymer Chemistry in 2022.Quality Control of 1,3-Dicyclohexylurea This article mentions the following:

In this study, triblock copolyesters were synthesized via a switchable terpolymn. of mixed monomers of epoxides, phthalic anhydride (PA) and ε-caprolactone (CL) by using cost-effective dual urea/organic base catalysts. Different combinations of urea/organic base pairs were evaluated in order to optimize the catalytic activity and switchable selectivity, and different types of epoxides were employed to obtain diverse copolyesters. The sequence structures of the obtained copolyesters were analyzed by gel permeation chromatog. and diffusion-ordered NMR spectroscopy (DOSY) measurements. The switchable mechanism of the ROP of lactones and ROAC of epoxide/anhydride cycles was investigated via in situ anal. of 1H NMR, GPC and ATR-IR spectroscopy. The results showed that the N,N’-dicyclohexylurea (U1)/bis(triphenylphosphine)iminium chloride (PPNCl) pair with more alk. urea exhibited the highest catalytic activity for the mixture of cyclohexene oxide, PA and CL in both ring-opening alternating copolymerization (ROAC) and ring-opening polymerization (ROP) reaction cycles as compared to those previously reported. It was found that the existence/exhaustion of PA could be considered to be the switch between ROAC and ROP reaction cycles, and that the superior catalytic selectivity contributed to the successful formation of the desired triblock sequence structures. In the experiment, the researchers used many compounds, for example, 1,3-Dicyclohexylurea (cas: 2387-23-7Quality Control of 1,3-Dicyclohexylurea).

1,3-Dicyclohexylurea (cas: 2387-23-7) belongs to amides. The solubilities of amides and esters are roughly comparable. Typically amides are less soluble than comparable amines and carboxylic acids since these compounds can both donate and accept hydrogen bonds. Tertiary amides, with the important exception of N,N-dimethylformamide, exhibit low solubility in water. Ionic, or saltlike, amides are strongly alkaline compounds ordinarily made by treating ammonia, an amine, or a covalent amide with a reactive metal such as sodium.Quality Control of 1,3-Dicyclohexylurea

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Chen, Gen-Qiang et al. published their research in Journal of Asian Natural Products Research in 2020 | CAS: 383-31-3

4-Fluoro-N,N-dimethylbenzenesulfonamide (cas: 383-31-3) belongs to amides. In primary and secondary amides, the presence of N–H dipoles allows amides to function as H-bond donors as well. Thus amides can participate in hydrogen bonding with water and other protic solvents; the oxygen atom can accept hydrogen bonds from water and the N–H hydrogen atoms can donate H-bonds. Amides are stable compounds. The lower-melting members (such as acetamide) can be readily purified by fractional distillation. Most amides are solids which have low solubilities in water.HPLC of Formula: 383-31-3

Controlled synthesis of N,N-dimethylarylsulfonamide derivatives as nematicidal agents was written by Chen, Gen-Qiang;Xia, Yan-Fei;Yang, Jin-Ming;Che, Zhi-Ping;Sun, Di;Li, Shen;Tian, Yue-E.;Liu, Sheng-Ming;Jiang, Jia;Lin, Xiao-Min. And the article was included in Journal of Asian Natural Products Research in 2020.HPLC of Formula: 383-31-3 This article mentions the following:

Gramine could be intelligently and efficiently supplied with N,N-dimethylamino group and then reacted with the corresponding sulfonyl chlorides to synthesize N,N-dimethylarylsulfonamides I [R = Ph, 4-FC6H4, 2-thienyl, etc.]. Herein designed and controlled synthesis of N,N-dimethylarylsulfonamide derivatives and first reported the results of the nematicidal activity of N,N-dimethylarylsulfonamide compounds against Meloidogyne incongnita in vitro, resp. Among all of the N,N-dimethylarylsulfonamide derivatives, compounds I [R = Ph, 4-MeOC6H4, 4-O2NC6H4, 8-quinolyl] exhibited potent nematicidal activity with median lethal concentration (LC50) values ranging from 0.22 to 0.26 mg/L. Most noteworthy, compounds I [R = 4-MeOC6H4, 8-quinolyl] showed the best promising and pronounced nematicidal activity, with LC50 values of 0.2381 and 0.2259 mg/L, resp. In the experiment, the researchers used many compounds, for example, 4-Fluoro-N,N-dimethylbenzenesulfonamide (cas: 383-31-3HPLC of Formula: 383-31-3).

4-Fluoro-N,N-dimethylbenzenesulfonamide (cas: 383-31-3) belongs to amides. In primary and secondary amides, the presence of N–H dipoles allows amides to function as H-bond donors as well. Thus amides can participate in hydrogen bonding with water and other protic solvents; the oxygen atom can accept hydrogen bonds from water and the N–H hydrogen atoms can donate H-bonds. Amides are stable compounds. The lower-melting members (such as acetamide) can be readily purified by fractional distillation. Most amides are solids which have low solubilities in water.HPLC of Formula: 383-31-3

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Fonseca, Alessandra S. et al. published their research in Industrial Crops and Products in 2019 | CAS: 10543-57-4

N,N-(Ethane-1,2-diyl)bis(N-acetylacetamide) (cas: 10543-57-4) belongs to amides. Amides are pervasive in nature and technology. Proteins and important plastics like Nylons, Aramid, Twaron, and Kevlar are polymers whose units are connected by amide groups (polyamides); these linkages are easily formed, confer structural rigidity, and resist hydrolysis. Amides can be freed from solvent or water by drying below their melting points. These purifications can also be used for sulfonamides and acid hydrazides.Product Details of 10543-57-4

Improving cellulose nanofibrillation of non-wood fiber using alkaline and bleaching pre-treatments was written by Fonseca, Alessandra S.;Panthapulakkal, Suhara;Konar, Samir K.;Sain, Mohini;Bufalino, Lina;Raabe, Joabel;Miranda, Ires Paula A.;Martins, Maria Alice;Tonoli, Gustavo Henrique D.. And the article was included in Industrial Crops and Products in 2019.Product Details of 10543-57-4 This article mentions the following:

This study aimed to investigate the effect of alk. and bleaching pre-treatments on nanofibrillation of jute fibers and on mech. performance of the ensuing cellulose films. Fibers were submitted to mild or strong alk. pre-treatments. Then, only after mild alk. pre-treatment, the fibers were pre-treated with two different bleaching pathways. Succeeding, cellulose nanofibrils were produced by mech. defibrillation of the pre-treated fibers, while cellulose films were obtained by dewatering (suction) of the cellulose suspensions. Com. bleached wood (Eucalyptus and Pinus) pulps were used as reference sources of cellulose fibers. Transmission electron microscopy (TEM) was used to investigate the morphol. of the obtained cellulose nanofibrils. Cellulose films were compared by their tensile properties. Defibrillation process was highly influenced by chem. pre-treatments. By the morphol. analyses, the most effective nanofibrillation was observed for fibers pre-treated with tetraacetylethylenediamine (TAED), leading to nanofibrils with average diameter of around 20 nm. The crystalline index (CI) was higher for nanofibrils from pre-treated fibers (CI > 80%) when compared to the raw fibers (CI = 61%). Jute fibers pre-treated with TAED bleaching led to higher nanofibrillation, resulting on films with higher tensile strength and Young’s modulus, which were similar to mech. properties of those from com. wood pulp. In the experiment, the researchers used many compounds, for example, N,N-(Ethane-1,2-diyl)bis(N-acetylacetamide) (cas: 10543-57-4Product Details of 10543-57-4).

N,N-(Ethane-1,2-diyl)bis(N-acetylacetamide) (cas: 10543-57-4) belongs to amides. Amides are pervasive in nature and technology. Proteins and important plastics like Nylons, Aramid, Twaron, and Kevlar are polymers whose units are connected by amide groups (polyamides); these linkages are easily formed, confer structural rigidity, and resist hydrolysis. Amides can be freed from solvent or water by drying below their melting points. These purifications can also be used for sulfonamides and acid hydrazides.Product Details of 10543-57-4

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics

Milovanovic, Dusan et al. published their research in Polish Journal of Environmental Studies in 2019 | CAS: 10543-57-4

N,N-(Ethane-1,2-diyl)bis(N-acetylacetamide) (cas: 10543-57-4) belongs to amides. Because of the greater electronegativity of oxygen, the carbonyl (C=O) is a stronger dipole than the N–C dipole. The presence of a C=O dipole and, to a lesser extent a N–C dipole, allows amides to act as H-bond acceptors. Ionic, or saltlike, amides are strongly alkaline compounds ordinarily made by treating ammonia, an amine, or a covalent amide with a reactive metal such as sodium.Electric Literature of C10H16N2O4

Risk assessment approach for prioritizing danube basin-specific pollutants: a case study in the novi sad region was written by Milovanovic, Dusan;Spanik, Ivan;Miloradov, Mirjana Vojinovic;Mihajlovic, Ivana;Radonic, Jelena;Machynakova, Andrea;Petrovic, Maja. And the article was included in Polish Journal of Environmental Studies in 2019.Electric Literature of C10H16N2O4 This article mentions the following:

The aim of this work was to determine the most relevant pollutants in Danube surface water and wastewater in the city of Novi Sad, and to conduct a risk assessment approach on substances for the optimization of future monitoring programs. According to the requirements of Serbian law, obligatory and operating monitoring was focused on physico-chem. and biol. parameters while the expanded monitoring programs have not been applied – often due to practical circumstances. Novi Sad, with a population of more than 300.000 inhabitants, does not have a wastewater treatment plant, and about 2 m3 of wastewater is discharged directly to the Danube river every day. Screening analyses of the water within the Danube basin around city of Novi Sad included more than 300 different organic substances, while target anal. was conducted for all WFD pollutants. The methodol. for generating the list of priority substances was applied for the first time in the Danubian region around the city of Novi Sad. By applying the prioritization procedure, 86 organic substances were determined in screening analyses and 27 substances obtained within target analyses were identified as the most relevant. In addition, seasonal variation anal. was conducted to determine the occurrence trends of specific compounds in different seasons. In the experiment, the researchers used many compounds, for example, N,N-(Ethane-1,2-diyl)bis(N-acetylacetamide) (cas: 10543-57-4Electric Literature of C10H16N2O4).

N,N-(Ethane-1,2-diyl)bis(N-acetylacetamide) (cas: 10543-57-4) belongs to amides. Because of the greater electronegativity of oxygen, the carbonyl (C=O) is a stronger dipole than the N–C dipole. The presence of a C=O dipole and, to a lesser extent a N–C dipole, allows amides to act as H-bond acceptors. Ionic, or saltlike, amides are strongly alkaline compounds ordinarily made by treating ammonia, an amine, or a covalent amide with a reactive metal such as sodium.Electric Literature of C10H16N2O4

Referemce:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics