Tag: 200-300

Enzymatic synthesis of biodiesel from Jatropha tanjorensis Ellis and Saroja and its potential as biodiesel feedstock was written by Arun, K. P.;Ravichandran, N.;Devi, M. Nithya;Vajrai, R.;Brindha, P.. And the article was included in Asian Journal of Chemistry in 2016.Quality Control of 2-Ethylhexyl benzoate The following contents are mentioned in the article:

21St century has almost become “”reen century” with an increased demand for plant products (bioenergy-oil). Hence, to develop a natural biodiesel feedstock, common species of Jatropha in and around Thanjavur is selected based on its enriched monoalkyl ester content which could be a good source for generating biofuels. Tanjorensis seed oil were extracted and analyzed for its physico-chem. properties such as % free fatty acid, acid value iodine, peroxide, saponification values. P. aeruginosa crude lipase treated transesterification followed by GC-MS anal. of oil proved that oleic acid (37.3 %) and linoleic acid (33.3 %) were the principal fatty acids while palmitic acid and stearic acid being the major saturated fatty acids. Oil contents of Tanjorensis seed oil were comparable with the oil extracted from other species of Jatropha and were found to be close to oil from Jatropha curcas. Tanjorensis seed oil extracts could be useful in industrial applications and as a biodiesel feedstock. This study involved multiple reactions and reactants, such as 2-Ethylhexyl benzoate (cas: 5444-75-7Quality Control of 2-Ethylhexyl benzoate).

2-Ethylhexyl benzoate (cas: 5444-75-7) belongs to esters. Carboxylic acid esters of low molecular weight are colourless, volatile liquids with pleasant odours, slightly soluble in water. Esters contain a carbonyl center, which gives rise to 120° C–C–O and O–C–O angles. Unlike amides, esters are structurally flexible functional groups because rotation about the C–O–C bonds has a low barrier. Their flexibility and low polarity is manifested in their physical properties; they tend to be less rigid (lower melting point) and more volatile (lower boiling point) than the corresponding amides. Quality Control of 2-Ethylhexyl benzoate

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

Organoaluminum hydrides catalyzed hydroboration of carbonates, esters, carboxylic acids, and carbon dioxide was written by Yan, Ben;Dutta, Sayan;Ma, Xiaoli;Ni, Congjian;Koley, Debasis;Yang, Zhi;Roesky, Herbert W.. And the article was included in Dalton Transactions in 2022.Synthetic Route of C13H10O3 The following contents are mentioned in the article:

Reduction of carbonates, carboxylic acids and ester was achieved in reaction with HBpin and [(nacnac)AlH₂] catalyst. The reductive functionalization of the C:O unit of carbonates, carboxylic acids, esters, and CO₂, resp. has received great attention since its introduction. This method is often used industrially for the synthesis of high value-added energy products in chem. This opens up a new way forward to reduce greenhouse gases and the consumption of traditional energy sources. Herein, we report an earth-abundant, cheap, and readily available aluminum dihydride, which can catalyze the reduction of a range of carbonates, esters, carboxylic acids, and CO₂, resp. in the presence of pinacolborane as a reducing agent. Moreover, we demonstrate that the reaction can proceed to obtain good yield products under mild conditions, with low catalyst loading and solvent-free reactions. The mechanism of the catalytic reduction of carbonates has been investigated. This study involved multiple reactions and reactants, such as Diphenyl carbonate (cas: 102-09-0Synthetic Route of C13H10O3).

Diphenyl carbonate (cas: 102-09-0) belongs to esters. Esters are widespread in nature and are widely used in industry. In nature, fats are in general triesters derived from glycerol and fatty acids. Esters are responsible for the aroma of many fruits, including apples, durians, pears, bananas, pineapples, and strawberries. Cyclic esters are called lactones, regardless of whether they are derived from an organic or inorganic acid. One example of an organic lactone is γ-valerolactone.Synthetic Route of C13H10O3

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

ω-(5-Phenyl-2H-tetrazol-2-yl)alkyl-substituted hydrazides and related compounds as inhibitors of amine oxidase copper containing 3 (AOC3) was written by Galster, Florian;Postges, Timo;Hanekamp, Walburga;Lehr, Matthias. And the article was included in Archiv der Pharmazie (Weinheim, Germany) in 2022.Electric Literature of C13H10O3 The following contents are mentioned in the article:

Recently, 6-(5-phenyl-2H-tetrazol-2-yl)hexan-1-amine was found to be a tight-binding substrate of AOC3. To obtain novel inhibitors of the enzyme, the amino group of this substrate was replaced with functional groups that occur in known AOC3 inhibitors, such as hydrazide or glycine amide moieties. In addition, derivatives of the compounds I [R = NHNH₂, OEt, NH(CH₂)₂NH₂, NH(CH₂)₃NH₂, 3-(tert-butoxycarbonylamino)propylamino; n = 1, 2, 5, 6, etc.], II [R² = HNC(O)CH₂NH₂, HNC(O)OPh, 2-(aminomethyl)imidazol-1-yl, etc.] obtained in this way were prepared The obtained hydrazide I [R = NHNH₂; n = 6] which proved to be the most effective, was subjected to further structural modifications. Selected hydrazides I [R = NHNH₂; n = 1, 6] were evaluated for selectivity toward some other amine oxidases. This study involved multiple reactions and reactants, such as Diphenyl carbonate (cas: 102-09-0Electric Literature of C13H10O3).

Diphenyl carbonate (cas: 102-09-0) belongs to esters. Esters are widespread in nature and are widely used in industry. In nature, fats are in general triesters derived from glycerol and fatty acids. Esters are responsible for the aroma of many fruits. Esterification is the general name for a chemical reaction in which two reactants (typically an alcohol and an acid) form an ester as the reaction product. Esters are common in organic chemistry and biological materials.Electric Literature of C13H10O3

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

Dynamic analysis and decentralised control system design for diphenyl carbonate reactive distillation process was written by Bandsode, Shirish Prakash;Besta, Chandra Shekar. And the article was included in Indian Chemical Engineer in 2022.Synthetic Route of C13H10O3 The following contents are mentioned in the article:

Reactive distillation (RD), a process intensified technique, involves integrating reaction and separation in a single unit. High non-linearities associated with the RD process constrict the control degrees of freedom and set the key challenge in designing a robust control system. In the present work, the design is optimized for reactive distillation-diphenyl carbonate and a decentralised feedback control configuration is applied to carry out the control studies. A comparative decentralised control performance is studied for different transfer function models obtained by using anal. and optimization-based process identification techniques. The controller parameters obtained from the simple internal model control tuning relations are applied to (i) the linear transfer function model and (ii) non-linear plant model. Set-point tracking and load rejection studies are carried out to compare the performance of different models and investigate the non-linear model’s controller performance. This study involved multiple reactions and reactants, such as Diphenyl carbonate (cas: 102-09-0Synthetic Route of C13H10O3).

Diphenyl carbonate (cas: 102-09-0) belongs to esters. Esters typically have a pleasant smell; those of low molecular weight are commonly used as fragrances and are found in essential oils and pheromones. Liquid esters of low volatility serve as softening agents for resins and plastics. Esters also include many industrially important polymers. Polymethyl methacrylate is a glass substitute sold under the names Lucite and Plexiglas; polyethylene terephthalate is used as a film (Mylar) and as textile fibres sold as Terylene, Fortrel, and Dacron.Synthetic Route of C13H10O3

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

Fragrance components of Platanthera bifolia subsp. osca and Platanthera chlorantha collected in several sites in Italy was written by D’Auria, Maurizio;Lorenz, Richard;Mecca, Marisabel;Racioppi, Rocco;Antonio Romano, Vito;Viggiani, Licia. And the article was included in Natural Product Research in 2020.Quality Control of 2-Ethylhexyl benzoate The following contents are mentioned in the article:

Platanthera bifolia subsp. osca sample collected at Grisolia showed as main components linalool (17.8%), benzyl benzoate (55.8%), and benzyl 2-hydroxybenzoate (6.7%). Four samples of P. bifolia subsp. osca were collected at Pignola: the main components of the aroma are lilac derivatives (49.02-79.00%), mainly lilac alcs. B (7.41-13.52%), C (10.10-18.45%), and D (7.50-34.28%). Three samples were analyzed from the site of Marsico Nuovo. The main components of the scent found in this site were linalool (1.54-10.00%), lilac aldehydes (3.98-11.15%), and mainly lilac alcs. (50.68-61.51%). The main components of the sample collected at Palena were Me benzoate (9.04%) and benzyl benzoate (74.72%). The anal. of the composition of the aroma of a Platanthera chlorantha plant has been performed. The main components were lilac derivatives The reported behavior could be explained admitting an adaptive modification of the scent considering the nature of possible pollinating agents due to different habitats. This study involved multiple reactions and reactants, such as 2-Ethylhexyl benzoate (cas: 5444-75-7Quality Control of 2-Ethylhexyl benzoate).

2-Ethylhexyl benzoate (cas: 5444-75-7) belongs to esters. Esters are widespread in nature and are widely used in industry. In nature, fats are in general triesters derived from glycerol and fatty acids. Esters are responsible for the aroma of many fruits, including apples, durians, pears, bananas, pineapples, and strawberries. Liquid esters of low volatility serve as softening agents for resins and plastics. Esters also include many industrially important polymers. Polymethyl methacrylate is a glass substitute sold under the names Lucite and Plexiglas; polyethylene terephthalate is used as a film (Mylar) and as textile fibres sold as Terylene, Fortrel, and Dacron.Quality Control of 2-Ethylhexyl benzoate

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

Well-defined, environment-friendly synthesis of polypeptides based on phosgene-free transformation of amino acids into urethane derivatives and their applications was written by Endo, Takeshi;Sudo, Atsushi. And the article was included in Polymer International in 2020.HPLC of Formula: 102-09-0 The following contents are mentioned in the article:

A review. In this study, both naturally occurring and artificial amino acids were successfully transformed into the corresponding urethane derivatives using di-Ph carbonate. The urethanes thus prepared could be efficiently cyclized into amino acid N-carboxyanhydrides (NCAs) without the requirement of phosgene. In addition, the presence of primary amines converted the urethane derivatives into NCAs and initiated the ring-opening polymerization of the in situ formed NCAs, allowing for the well-defined synthesis of polypeptides. These polypeptides contained initiating ends functionalized by an amine-derived residue and propagating ends bearing the reactive amino group. By precise control of the structures of the polypeptides, various polypeptide conjugates such as block copolymers and graft copolymers were successfully synthesized as designed, and their applications in antifouling coatings against proteins, drug delivery systems and biosensors were demonstrated. © 2019 Society of Chem. Industry. This study involved multiple reactions and reactants, such as Diphenyl carbonate (cas: 102-09-0HPLC of Formula: 102-09-0).

Diphenyl carbonate (cas: 102-09-0) belongs to esters. Esters are also usually derived from carboxylic acids. It may also be obtained by reaction of acid anhydride or acid halides with alcohols or by the reaction of salts of carboxylic acids with alkyl halides. Esters are more polar than ethers but less polar than alcohols. They participate in hydrogen bonds as hydrogen-bond acceptors, but cannot act as hydrogen-bond donors, unlike their parent alcohols. This ability to participate in hydrogen bonding confers some water-solubility.HPLC of Formula: 102-09-0

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

Characterization of odor-active compounds in three varieties of ciruela (Spondias purpurea L.) fruit was written by Sosa-Moguel, Odri;Pino, Jorge A.;Sauri-Duch, Enrique;Cuevas-Glory, Luis. And the article was included in International Journal of Food Properties in 2018.SDS of cas: 5444-75-7 The following contents are mentioned in the article:

The aroma-active compounds present in tree ripened fruits of ciruela (Spondias purpurea L.) cultivars Chi abal, Campech abal, and Ek abal were isolated by means of simultaneous distillation solvent extraction and solid-phase microextraction and analyzed by gas chromatog.-mass spectrometry. Application of odor activity values (OAV) afforded 22 compounds in higher amounts than their threshold concentrations (OAVs >1). Results of the identification experiments in combination with the OAVs suggested that Me 3-methylbutanoate, Et butanoate, Et 2-methylbutanoate, Et 3-methylbutanoate, Et hexanoate, hexyl acetate, with fruity odor notes; (E)-2-hexenal, (Z)-3-hexen-1-ol, (E)-2-hexen-1-ol, 1-hexanol, and (Z)-3-hexenyl acetate, with grassy odor notes, and limonene (citrus-like) were the potentially important common odorants in all ciruela cultivars. Clear differences in the OAVs of some odorants between each of the cultivars suggested that they contributed to the unique sensory profiles of the individual cultivars. This study involved multiple reactions and reactants, such as 2-Ethylhexyl benzoate (cas: 5444-75-7SDS of cas: 5444-75-7).

2-Ethylhexyl benzoate (cas: 5444-75-7) belongs to esters. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Polyesters are important plastics, with monomers linked by ester moieties. Esters are more polar than ethers but less polar than alcohols. They participate in hydrogen bonds as hydrogen-bond acceptors, but cannot act as hydrogen-bond donors, unlike their parent alcohols. This ability to participate in hydrogen bonding confers some water-solubility.SDS of cas: 5444-75-7

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

Depolymerization of End-of-Life Poly(bisphenol A carbonate) via 4-Dimethylaminopyridine-Catalyzed Methanolysis was written by Alberti, Christoph;Enthaler, Stephan. And the article was included in Waste and Biomass Valorization in 2020.Application In Synthesis of Diphenyl carbonate The following contents are mentioned in the article:

The chem. recycling, a sequence of depolymerization and polymerization reactions, of end-of-life plastics/polymers can contribute to a sustainable, resource-conserving and environmental-benign society. In this regard, we have set up a protocol for the depolymerization of end-of-life poly(bisphenol A carbonate). In more detail, applying a combination of methanol and catalytic amounts of 4-dimethylaminopyridine (DMAP) end-of-life poly(bisphenol A carbonate) was depolymerized to bisphenol A and di-Me carbonate. With the aid of microwave heating an excellent rate of depolymerization ( > 99%) within short reaction times (5 min) and turnover frequencies up to 1164 h^-1 were achieved. Moreover, it was demonstrated that phenolysis can be applied under optimized reaction conditions resulting in the formation of the mixture bisphenol A and di-Ph carbonate, which can be used for the synthesis of new poly(bisphenol A carbonate). In consequence a closed cycle for poly(bisphenol A carbonate) is feasible. This study involved multiple reactions and reactants, such as Diphenyl carbonate (cas: 102-09-0Application In Synthesis of Diphenyl carbonate).

Diphenyl carbonate (cas: 102-09-0) belongs to esters. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Because of their lack of hydrogen-bond-donating ability, esters do not self-associate. Consequently, esters are more volatile than carboxylic acids of similar molecular weight.Application In Synthesis of Diphenyl carbonate

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

Degree of crosslinking in β-cyclodextrin-based nanosponges and their effect on piperine encapsulation was written by Guineo-Alvarado, Juan;Quilaqueo, Marcela;Hermosilla, Jeyson;Gonzalez, Sofia;Medina, Camila;Rolleri, Aldo;Lim, Loong-Tak;Rubilar, Monica. And the article was included in Food Chemistry in 2021.COA of Formula: C13H10O3 The following contents are mentioned in the article:

Piperine (PIP) is an alkaloid which is potent as a therapeutic agent. However, its applications are restricted by its poor water solubility Nanosponges (NS) derived from polymers are versatile carriers for poor water-soluble substances. The aim of this work was to synthesize β-cyclodextrin NS, by microwave-assisted fusion, for the encapsulation of PIP. Different formulations of NS were synthesized by varying the molar ratio of β-cyclodextrin:diphenyl carbonate (β-CD:DPC; 1:2, 1:6 and 1:10). NS specimens derived from 1:2, 1:6 and 1:10 β-CD:DPC molar ratios exhibited degree of substitution values of 0.345, 0.629 and 0.878, resp. The crystallinity of NS was enhanced by increasing di-Ph carbonate concentration A high degree of crosslinking in the NS increased the loading efficiency due to increased surface area available for bioactive inclusion. This study demonstrated the feasibility of synthesizing NS derived from β-cyclodextrin of high crystallinity for the encapsulation of PIP at high loading capacity. This study involved multiple reactions and reactants, such as Diphenyl carbonate (cas: 102-09-0COA of Formula: C13H10O3).

Diphenyl carbonate (cas: 102-09-0) belongs to esters. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Acyl chlorides and acid anhydrides alcoholysis is another way to produce esters. Acyl chlorides and acid anhydrides react with alcohols to produce esters. Anydrous conditions are recommended since both acyl chlorides and acid anhydrides react with water.COA of Formula: C13H10O3

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

Molecular structural discrimination of chemical compounds in body odor using their GC-MS chromatogram and clustering methods was written by Jha, Sunil Kr.;Hayashi, Kenshi. And the article was included in International Journal of Mass Spectrometry in 2017.Recommanded Product: 2-Ethylhexyl benzoate The following contents are mentioned in the article:

In the present study, body odor samples have been collected according to different sampling protocols and characterized using the gas chromatog. (GC)-mass spectrometry (MS) technique with the objective to investigate the existence of different volatile organic compounds (VOCs) belonging to several chem. classes in body odor composition Moreover, the characterization outcomes have been validated by analyzing spectral information using substantial clustering methods. Specifically, the data matrix based on peak height of chem. compounds in each experiment has been analyzed by using six clustering methods, including principal component anal. (PCA), k-means clustering, fuzzy c-means clustering, hierarchical cluster anal., fuzzy clustering, and k-medoids clustering. Chem. compounds were well clustered into several groups with each of the implemented clustering methods which endorse the exptl. characterization outcomes and establishes the existence of VOCs from multiple chem. classes in body odor composition This study involved multiple reactions and reactants, such as 2-Ethylhexyl benzoate (cas: 5444-75-7Recommanded Product: 2-Ethylhexyl benzoate).

2-Ethylhexyl benzoate (cas: 5444-75-7) belongs to esters. Esters are also usually derived from carboxylic acids. It may also be obtained by reaction of acid anhydride or acid halides with alcohols or by the reaction of salts of carboxylic acids with alkyl halides. Many esters have the potential for conformational isomerism, but they tend to adopt an s-cis (or Z) conformation rather than the s-trans (or E) alternative, due to a combination of hyperconjugation and dipole minimization effects. The preference for the Z conformation is influenced by the nature of the substituents and solvent, if present. Lactones with small rings are restricted to the s-trans (i.e. E) conformation due to their cyclic structure.Recommanded Product: 2-Ethylhexyl benzoate

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