Tag: 200-300

Volatile flavor compounds of Beijing moslemic braised beef with soy sauce was written by Zang, Mingwu;Wang, Yu;Han, Kai;Qiao, Xiaoling. And the article was included in Shipin Gongye Keji in 2010.Computed Properties of C15H22O2 The following contents are mentioned in the article:

Volatile flavor compounds of traditional Chinese Beijing moslemic braised beef with soy sauce were analyzed b headspace solid phase microextraction (HS-SPME) combined with GC-MS. Results indicated that total 78 volatile flavor compounds were identified including aldehydes (13kinds), ketones (6 kinds), hydrocarbons (22 kinds), esters (7 kinds), ether(4 kinds), alcs. (8 kinds), nitrogenous compounds, sulfurated compounds, and heterocyclic compounds (18 kinds). The major volatiles identified were degradation products of fatty acids and volatile compounds from spice. Results showed that the important flavor compounds contributed to Beijing moslemic braised beef with soy sauce were possibly some aldehydes, terpenes, ethers, nitrogenous compounds, sulfurated compounds and heterocyclic compounds This study involved multiple reactions and reactants, such as 2-Ethylhexyl benzoate (cas: 5444-75-7Computed Properties of C15H22O2).

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. 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. Computed Properties of C15H22O2

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

Study on thermal decomposition behavior of Di(2-ethyl hexyl) phthalate by Py-GC/MS was written by Wang, Qiang. And the article was included in Xinjiang Daxue Xuebao, Ziran Kexueban in 2010.Category: esters-buliding-blocks The following contents are mentioned in the article:

The pyrolysis of bis(2-ethylhexyl) phthalate (DOP) was conducted at different temperatures and the pyrolysis products were analyzed by GC/MS. The results indicated that the main pyrolysis products of DOP were carbon dioxide, benzene, 3-(methylene)heptane, 2-ethyl-1-hexanol, phthalic anhydride, benzoic acid 2-ethylhexyl ester. Then benzoic acid 2-ethylhexyl ester was pyrolyzed into smaller mass radicals with the temperature increasing. Polycyclic aromatic hydrocarbons such as phenanthrene, anthracene, 2-methylphenanthrene, 2-phenylnaphthalene were found with the temperature increasing. The pyrolysis reaction mechanism of DOP degradation was discussed according to the pyrolysis products. The temperature and technol. of pyrolysis should be applied to decrease the environmental pollution. This study involved multiple reactions and reactants, such as 2-Ethylhexyl benzoate (cas: 5444-75-7Category: esters-buliding-blocks).

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. 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.Category: esters-buliding-blocks

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

Metal-Free Carbonylations by Photoredox Catalysis was written by Majek, Michal;Jacobi von Wangelin, Axel. And the article was included in Angewandte Chemie, International Edition in 2015.Electric Literature of C15H22O2 The following contents are mentioned in the article:

The synthesis of benzoates from aryl electrophiles and carbon monoxide is a prime example of a transition-metal-catalyzed carbonylation reaction which is widely applied in research and industrial processes. Such reactions proceed in the presence of Pd or Ni catalysts, suitable ligands, and stoichiometric bases. We have developed an alternative procedure that is free of any metal, ligand, and base. The method involves a redox reaction driven by visible light and catalyzed by eosin Y which affords alkyl benzoates from arene diazonium salts, carbon monoxide, and alcs. under mild conditions. Tertiary esters can also be prepared in high yields. DFT calculations and radical trapping experiments support a catalytic photoredox pathway without the requirement for sacrificial redox partners. This study involved multiple reactions and reactants, such as 2-Ethylhexyl benzoate (cas: 5444-75-7Electric Literature of C15H22O2).

2-Ethylhexyl benzoate (cas: 5444-75-7) 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. 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 C15H22O2

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

Influence of the Composition of Graft Copolymers of Fluoroalkyl Methacrylates on Stability of the Superhydrophobic State of Stainless Steel Surface was written by Klimov, V. V.;Bryuzgin, E. V.;Kharlamov, V. O.;Grudanova, A. D.;Navrotskii, A. V.;Novakov, I. A.. And the article was included in Polymer Science, Series B: Polymer Chemistry in 2019.Category: esters-buliding-blocks The following contents are mentioned in the article:

The influence of the composition and structure of copolymers based on fluoroalkyl methacrylates with a low fluorine content in the monomer unit (from 3 to 7 atoms) on the stability of the superhydrophobic state in the mode of heterogeneous wetting of the surface of grade 304 stainless steel, which was preliminarily etched in hydrofluoric acid, is studied. The characteristics of the hierarchical texture of the steel surface, in particular, the depth of etching and penetration of polymer modifiers, are investigated. Superhydrophobic polymer coatings on stainless steel remain in the heterogeneous wetting regime for more than two days when a droplet of water is in continuous contact with the surface of the sample under saturated conditions: the contact angle changes from 168° to 155°. This study involved multiple reactions and reactants, such as 1,1,1,3,3,3-Hexafluoroisopropylmethacrylate (cas: 3063-94-3Category: esters-buliding-blocks).

1,1,1,3,3,3-Hexafluoroisopropylmethacrylate (cas: 3063-94-3) 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.Category: esters-buliding-blocks

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

Efficient Synthesis of Diphenyl Carbonate from CO₂, Phenol, and Carbon Tetrachloride under Mild Conditions was written by Wang, Songlin;Jiang, Nan;Peng, Jiali;Yang, Peng;Cui, Chengxing;Niu, Hongying;Zhang, Qiying;Wang, Jianji. And the article was included in ACS Sustainable Chemistry & Engineering in 2022.Synthetic Route of C13H10O3 The following contents are mentioned in the article:

Herein, an efficient catalytic system for the direct synthesis of DPC from CO₂, phenol, and carbon tetrachloride was developed by using a ZnCl₂/copper triflate (Cu(OTf)₂) composite catalyst. For the first time, high yield and high selectivity were achieved for DPC synthesis under mild conditions, even at atm. pressure. Carefully designed control experiments and DFT studies indicated that the synergistic activation of Cu(OTf)₂ and its anion complex with ZnCl₂ for phenol and CO₂ led to a remarkably improved catalytic activity through a Lewis acid-assisted catalysis. This study not only provides a new strategy for efficient preparation of DPC but also offers an effective pathway for better CO₂ utilization. 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. 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.Synthetic Route of C13H10O3

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

New Synthetic Approach to Polyfluorinated Carbonates was written by Semenova, A. M.;Ezhikova, M. A.;Kodess, M. I.;Zapevalov, A. Ya.;Pestov, A. V.. And the article was included in Russian Journal of Organic Chemistry in 2020.HPLC of Formula: 102-09-0 The following contents are mentioned in the article:

Transesterification of com. titanium(IV) alkoxides with 2,2,3,3-tetrafluoropropan-1-ol, followed by in situ transesterification of mixed titanium(IV) alkoxides thus formed with di-Ph carbonate, afforded alkyl 2,2,3,3-tetrafluoropropyl carbonates I [R = Et, i-Pr, n-Bu; R¹ = OCH₂CF₂CF₂H] and bis(2,2,3,3-tetrafluoropropyl)carbonates I [R = R¹ = Et, i-Pr, n-Bu] in up to 60% yield. The degree of transesterification decreased in the series (i-PrO)₄Ti > (EtO)₄Ti > (BuO)₄Ti and did not exceed 68%. The selectivity for alkyl 2,2,3,3-tetrafluoropropyl carbonates and bis(2,2,3,3-tetrafluoropropyl)carbonate was found to change depending on the composition of mixed titanium(IV) alkoxide formed in situ. 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 typically have a pleasant smell; those of low molecular weight are commonly used as fragrances and are found in essential oils and pheromones. 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.HPLC of Formula: 102-09-0

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

Organocatalytic Synthesis of Substituted Vinylene Carbonates was written by Onida, Killian;Haddleton, Alice J.;Norsic, Sebastien;Boisson, Christophe;D’Agosto, Franck;Duguet, Nicolas. And the article was included in Advanced Synthesis & Catalysis in 2021.Electric Literature of C13H10O3 The following contents are mentioned in the article:

The organocatalytic synthesis of substituted vinylene carbonates from benzoins and acyloins was studied using di-Ph carbonate as a carbonyl source. A range of N-Heterocyclic Carbene (NHC) precursors were screened and it was found that imidazolium salts were the most active for this transformation. The reaction occurs at 90°C under solvent-free conditions. A wide range of substituted vinylene carbonates (sym. and unsym., aromatic or aliphatic), including some derived from natural products, were prepared with 20-99% isolated yields (24 examples). The reaction was also developed using thermomorphic polyethylene-supported organocatalysts as recoverable and recyclable species. The use of such species facilitates the workup and allows the synthesis of vinylene carbonates on the preparative scale (>30 g after 5 runs). 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 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. 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.Electric Literature of C13H10O3

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

New, low odor coalescent for latex paint was written by Arendt, William D.. And the article was included in Double Liaison–Physique, Chimie & Economie des Peintures & Adhesifs in 2001.Name: 2-Ethylhexyl benzoate The following contents are mentioned in the article:

Coalescents used in latex paint are known to contribute to VOC (volatile organic compounds) content, and can also contribute to the odor of a recently dried coating. With the more stringent environmental regulations that formulators must accommodate, there is a need in the industry for an efficient, low odor and low VOC coalescent. Recently, 2-ethylhexyl benzoate, a new benzoate ester that is low in odor and lower in VOC than the com. coalescent 2,2,4-trimethyl-1,3-pentanediol monoisobutyrate (abbreviated TMB), was evaluated as a latex paint coalescent. The results indicated that the 2-ethylhexyl benzoate performed as well, or better than TMB coalescent, and was more efficient. The new coalescent offers the latex paint formulator an efficient raw material for the development of low odor and lower VOC latex paint. This study involved multiple reactions and reactants, such as 2-Ethylhexyl benzoate (cas: 5444-75-7Name: 2-Ethylhexyl benzoate).

2-Ethylhexyl benzoate (cas: 5444-75-7) 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. 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.Name: 2-Ethylhexyl benzoate

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

New, low odor coalescent for latex paint was written by Arendt, William D.. And the article was included in FATIPEC Congress in 2000.Product Details of 5444-75-7 The following contents are mentioned in the article:

Coalescents used in latex paint are known to contribute to VOC (volatile organic compounds) content, and can also contribute to the odor of a recently dried coating. With the more stringent environmental regulations that formulators must accommodate, there is a need in the industry for an efficient, low odor and low VOC coalescent. Recently, 2-ethylhexyl benzoate, a new benzoate ester that is low in odor and lower in VOC than the com. coalescent 2,2,4-trimethyl-1,3-pentanediol monoisobutyrate (abbreviated TMB), was evaluated as a latex paint coalescent. The results indicated that the 2-ethylhexyl benzoate performed as well, or better than TMB coalescent, and was more efficient. The new coalescent offers the latex paint formulator an efficient raw material for the development of low odor and lower VOC latex paint. This study involved multiple reactions and reactants, such as 2-Ethylhexyl benzoate (cas: 5444-75-7Product Details of 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. 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. Product Details of 5444-75-7

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

Organic chemicals and other factors in water reuse at a poultry processing plant was written by Wachter, Jan K.;Andelman, Julian B.;Beck, James M.;Nolle, Sandra. And the article was included in Proceedings – Water Reuse Symposium in 1982.Product Details of 88530-52-3 The following contents are mentioned in the article:

Studies on water quality throughout the wastewater renovation system of the Sterling Poultry Processing Plant, Oakland, Maryland, indicated that the most commonly identified constituents are phthalates, saturated and unsaturated long-chain fatty acids and their amide derivatives and adipates. Algae were present at high concentrations throughout the system, which could explain slightly high endotoxin levels in final renovated water. Endotoxin levels were substantially reduced after 3 points of chlorination. Although some parameters were slightly higher than those from other water systems, no specific adverse health problems due to the presence of organic compounds are foreseen if water reuse is adopted. However, optimization of the treatment system is recommended to reduce algal concentrations by a factor of ≤10. This study involved multiple reactions and reactants, such as Methyl 2-(4-(tert-butyl)phenoxy)acetate (cas: 88530-52-3Product Details of 88530-52-3).

Methyl 2-(4-(tert-butyl)phenoxy)acetate (cas: 88530-52-3) 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. Product Details of 88530-52-3

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