Category: 143050-66-2

A facile, catalytic and environmentally benign method for esterification of carboxylic acids and transesterification of carboxylic esters with nearly equimolar amounts of alcohols was written by Bose, D. Subhas;Satyender, Apuri;Das, A. P. Rudra;Mereyala, Hari Babu. And the article was included in Synthesis in 2006.Application In Synthesis of Di-tert-butyl decanedioate The following contents are mentioned in the article:

A practical and green chem. process for the esterification of carboxylic acids with alcs. and transesterification of carboxylic esters in good to excellent yields by using K₅CoW₁₂O₁₄·3H₂O (0.1 mol%) as catalyst is reported. The catalyst exhibited remarkable reusable activity. This study involved multiple reactions and reactants, such as Di-tert-butyl decanedioate (cas: 143050-66-2Application In Synthesis of Di-tert-butyl decanedioate).

Di-tert-butyl decanedioate (cas: 143050-66-2) 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. 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.Application In Synthesis of Di-tert-butyl decanedioate

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Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Chemically induced porogen decomposition in premembranes for porogen-derived membranes was written by Eyal, A. M.;Hajdu, K.;Hazan, B.;Edelstein, D.. And the article was included in Journal of Applied Polymer Science in 1992.Formula: C18H34O4 The following contents are mentioned in the article:

Studies of chem. induced porogen decomposition in porogen-derived membranes show that substantially complete decomposition of porogen mols., molecularly dispersed in the polymeric matrix, is attainable. Several hours are required for decomposition by reagents penetrating into the premembrane at ambient. Decomposition rate is determined by the characteristics of polymer, porogen, decomposition reagent, polymer/porogen weight ratio, reagent concentration, and temperature The concept of decomposition by an internal catalyst is also validated. In addition to direct relevance to the new method of membrane formation, the study provides better understanding of phenomena of general interest, such as transport of small mols. through changing polymeric matrixes. This study involved multiple reactions and reactants, such as Di-tert-butyl decanedioate (cas: 143050-66-2Formula: C18H34O4).

Di-tert-butyl decanedioate (cas: 143050-66-2) 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. 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.Formula: C18H34O4

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

Catalytic ketonization over oxide catalysts. Part VIII. Synthesis of cycloalkanone in cycloketonization of various dialkyl alkanedioates was written by Glinski, Marek;Kaszubski, Michal. And the article was included in Reaction Kinetics and Catalysis Letters in 2004.SDS of cas: 143050-66-2 The following contents are mentioned in the article:

Activity of pure Al₂O₃ has been studied in cycloketonization of title compounds of general formula (CH₂)_n(COOR)₂, where n = 4, 5, 6, 7, 8 and 10 and R = Et, s-Bu and t-Bu at the temperature range 598-723 K in a flow system. The yields of cycloalkanones strongly depend on the size of the ring formed, the structure of alkyl group in ester mol. and on the reaction temperature Cyclopentanone, cyclohexanone and cycloheptanone were obtained with yields 50-60% from the appropriate di-Et esters. The only low yields (<8%) of cyclooctanone, cyclononane and cycloundecanone were achieved. An increase in the order of the ester alkyl group leads in some cases to higher yields of ketones – di-t-Bu hexanedioate yielded 88% of cyclopentanone. This study involved multiple reactions and reactants, such as Di-tert-butyl decanedioate (cas: 143050-66-2SDS of cas: 143050-66-2).

Di-tert-butyl decanedioate (cas: 143050-66-2) 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.SDS of cas: 143050-66-2

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

Premembranes for porogen-derived membranes and thermal decomposition of porogens was written by Eyal, A. M.;Hazan, B.;Hajdu, K.;Edelstein, D.. And the article was included in Journal of Applied Polymer Science in 1992.Recommanded Product: 143050-66-2 The following contents are mentioned in the article:

Various tert-Bu and di-tert-Bu esters, N-BOC and di-N-BOC amines, metal salts of N-BOC amino acid, and glycerol-formic acid esters are potential porogens for porogen-derived membranes. Introduction of more than 20 such compounds into polysulfone or PVC films were studied. Transparency, IR spectra, changes in glass transition temperature, and DSC were used to differentiate between mol. dispersion and formation of microphases. For many of the studied additives >10% by weight can be practically molecularly dispersed in the polymers. The upper limit of porogen concentration in premembranes depends on characteristics of the polymer and of the porogen, on casting solvent composition, and on drying procedure. Metal salts of N-BOC amino acids are suitable heat-decomposable porogens. Their decomposition in premembranes proceeds in two stages, in the first of which 2C₄H₈ + 2CO₂ are released per salt mol. The metal complex formed goes through decarboxylation at a higher temperature A heating procedure for completion of the first decomposition stage and for avoiding the second was determined This study involved multiple reactions and reactants, such as Di-tert-butyl decanedioate (cas: 143050-66-2Recommanded Product: 143050-66-2).

Di-tert-butyl decanedioate (cas: 143050-66-2) belongs to esters. Carboxylic acid esters of low molecular weight are colourless, volatile liquids with pleasant odours, slightly soluble in water. 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.Recommanded Product: 143050-66-2

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

tert-Butyl esters of aliphatic dibasic acids was written by Backer, H. J.;Homan, J. D. H.. And the article was included in Recueil des Travaux Chimiques des Pays-Bas et de la Belgique in 1939.Name: Di-tert-butyl decanedioate The following contents are mentioned in the article:

Di-tert-Bu esters (I) of aliphatic dibasic acids with an even number of C atoms (up to sebacic) have higher m. ps. than the neighboring odd-numbered acids. I also have higher m. ps. than the corresponding Me and Et esters with the single exception of MeO₂C(CH₂)₈CO₂Me. The striking oscillation in the m. ps. of I is apparent in the following series of m. ps. of the esters from the oxalate (II) to the sebacate (III) resp.: 71掳, -7掳, 36掳, -10掳, 32.5掳, -15掳, 29掳, -18掳, 18掳. Two general methods were followed in the preparation of the esters, the 1st, using C₅H₅N as catalyst, the 2nd Me₂NPh (IV). The acid chlorides (0.2 mol.) in 2 volumes of anhydrous C₆H₆ are added dropwise to 1 mol. Me₃COH (V) (dried over Na) in 0.6 mol. C₅H₅N (distilled over KOH). The reaction mixture is agitated and maintained below 50掳. Upon completion of the 1st stage the solution is heated in a water bath for 3 hrs., cooled and the precipitate filtered and washed with C₆H₆. The filtrate is made acidic to Congo red and the 2 layers formed are separated The H₂O layer is extracted thrice with C₆H₆ and the combined C₆H₆ solutions are washed successively with 2.0 N H₂SO₄ and Na₂CO₃ solution, then dried over anhydrous Na₂SO₄ with a little fused K₂CO₃. The C₆H₆ is removed in vacuo and the products (except II) are likewise distilled in vacuo. When IV is used as catalyst CHCl₃ (dried over CaCl₂) is used as solvent and extractions are made with petr. ether. The following di-tert-Bu esters were prepared: II (87% yield); malonate, b₁₀ 93掳 (78% yield); succinate, b₁₄ 115掳 (31%); glutarate, b₁₃ 125.5掳; adipate, b₁₀ 134掳 (60%); pimelate, b₁₁ 174掳 (60%); suberate, b₁₁ 160掳 (64%); azelate, b₁₃ 174掳 (70%); sebacate, b₁₃ 185掳 (74%). Several mixed ester-salts were prepared by saponification 1 of the acid radicals with alc. KOH. This study involved multiple reactions and reactants, such as Di-tert-butyl decanedioate (cas: 143050-66-2Name: Di-tert-butyl decanedioate).

Di-tert-butyl decanedioate (cas: 143050-66-2) 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.Name: Di-tert-butyl decanedioate

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