Category: esters-buliding-blocks

Infant supplement quality evaluation by inductively coupled plasma – mass spectrometry, gas chromatography, and isotope ratio mass spectrometry was written by Dehelean, A.;Kovacs, E. D.;Magdas, D. A.;Cristea, G.;Voica, C.;Feher, I.;Kovacs, M. H.;Marincas, O.;Zhang, Z.;Li, P.;Zang, Q.. And the article was included in Analytical Letters in 2019.Computed Properties of C10H20O2 This article mentions the following:

There is a growing interest by both consumers and industry in the development of food products with functional properties or health benefits. These food supplements are especially important for infants; thus their safety must be guaranteed. However, the use of different raw materials, process technologies, and storage technologies may impact food quality and safety in undesirable ways. The purpose of this work was to investigate com. available infant food supplements targeting: (1) content of macro/micro nutrients and toxic metals; (2) volatile organic compounds that contribute to flavor and aroma composition of food; (3) content of fatty acids; and (4) δ¹³C to determine the origin of the raw material for these products. These were performed in order to evaluate their quality with respect to nutraceutical value and safety. Different chemometric methods were used for the statistical interpretation of the data including anal. of variance (ANOVA), Pearson correlation, principal component anal. (PCA), and linear discriminant anal. (LDA). In the experiment, the researchers used many compounds, for example, Isopentyl 3-methylbutanoate (cas: 659-70-1Computed Properties of C10H20O2).

Isopentyl 3-methylbutanoate (cas: 659-70-1) 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.Computed Properties of C10H20O2

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

Identification of a series of substituted 2-piperazinyl-5-pyrimidylhydroxamic acids as potent histone deacetylase inhibitors was written by Angibaud, Patrick;Van Emelen, Kristof;Decrane, Laurence;van Brandt, Sven;ten Holte, Peter;Pilatte, Isabelle;Roux, Bruno;Poncelet, Virginie;Speybrouck, David;Queguiner, Laurence;Gaurrand, Sandrine;Marien, Ann;Floren, Wim;Janssen, Lut;Verdonck, Marc;van Dun, Jacky;van Gompel, Jacky;Gilissen, Ron;Mackie, Claire;Du Jardin, Marc;Peeters, Jozef;Noppe, Marc;Van Hijfte, Luc;Freyne, Eddy;Page, Martin;Janicot, Michel;Arts, Janine. And the article was included in Bioorganic & Medicinal Chemistry Letters in 2010.Synthetic Route of C10H20N2O3 This article mentions the following:

Pursuing our efforts in designing 5-pyrimidylhydroxamic acid anti-cancer agents, we have identified a new series of potent histone deacetylase (HDAC) inhibitors. These compounds exhibit enzymic HDAC inhibiting properties with IC₅₀ values in the nanomolar range and inhibit tumor cell proliferation at similar levels. Good solubility, moderate bioavailability, and promising in vivo activity in xenograft model made this series of compounds interesting starting points to design new potent HDAC inhibitors. In the experiment, the researchers used many compounds, for example, tert-Butyl (morpholin-2-ylmethyl)carbamate (cas: 173341-02-1Synthetic Route of C10H20N2O3).

tert-Butyl (morpholin-2-ylmethyl)carbamate (cas: 173341-02-1) 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. 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. Synthetic Route of C10H20N2O3

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

Tetrasubstituted 1,3-Enynes by Gold-Catalyzed Direct C(sp²)-H Alkynylation of Acceptor-Substituted Enamines was written by Han, Chunyu;Tian, Xianhai;Zhang, Huili;Rominger, Frank;Hashmi, A. Stephen K.. And the article was included in Organic Letters in 2021.SDS of cas: 13669-10-8 This article mentions the following:

A gold-catalyzed synthesis of tetrasubstituted 1,3-enynes from hypervalent iodine(III) reagents and activated alkenes is reported. This reaction involves an in situ formed alkynyl Au(III) species and a subsequent direct C(sp²)-H functionalization of alkenes, offering 26 enynes in 62-92% yield with excellent functional group tolerance. In the experiment, the researchers used many compounds, for example, Ethyl 3-oxo-3-(thiophen-2-yl)propanoate (cas: 13669-10-8SDS of cas: 13669-10-8).

Ethyl 3-oxo-3-(thiophen-2-yl)propanoate (cas: 13669-10-8) belongs to esters. Carboxylic acid esters of low molecular weight are colourless, volatile liquids with pleasant odours, slightly soluble in water. 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.SDS of cas: 13669-10-8

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

Discovery of Potent, Selective Stem Cell Factor Receptor/Platelet Derived Growth Factor Receptor Alpha (c-KIT/PDGFRα) Dual Inhibitor for the Treatment of Imatinib-Resistant Gastrointestinal Stromal Tumors (GISTs) was written by Lu, Yanli;Mao, Fei;Li, Xiaokang;Zheng, Xinyu;Wang, Manjiong;Xu, Qing;Zhu, Jin;Li, Jian. And the article was included in Journal of Medicinal Chemistry in 2017.Recommanded Product: 16413-26-6 This article mentions the following:

Stem cell factor receptor (c-KIT) and platelet derived growth factor receptor alpha (PDGFRα) kinases play an important role in gastrointestinal stromal tumors (GISTs). Here, the authors have discovered an c-KIT/PDGFRα dual inhibitor, compound I, with single-digit nanomolar potency against c-KIT and PDGFRα. Compared to Imatinib (1), I showed better antiproliferative efficacy against various TEL-c-KIT/PDGFRα-BaF3 isogenic cells, including three 1-resistant BaF3 cell lines, as well as against GIST-T1 and GIST-882 cell lines. Furthermore, compound I showed a good KinomeScan selectivity (468 kinases) (S score (1) = 0.01 at 1 μM concentration), good metabolic stability in liver microsomes, and no hERG inhibitory activity. It was worth noting that I inhibited GIST-T1 tumor growth (TGI = 81.5%) and even the BaF3-TEL-cKIT-T670I tumor progression (TGI = 41.9%, 1-resistant GISTs) at a dosage of 100 mg/kg/day without exhibiting apparent toxicity. In the experiment, the researchers used many compounds, for example, 3-Cyanophenylisocyanate (cas: 16413-26-6Recommanded Product: 16413-26-6).

3-Cyanophenylisocyanate (cas: 16413-26-6) 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.Recommanded Product: 16413-26-6

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

Crystallinity enhancement of extruded polypropylene containing poly(vinyl alcohol) fibers prepared in situ was written by Nishikawa, Riho;Eno, Ayaka;Janchai, Khunanya;Han, Ruiqi;Kida, Takumitsu;Mori, Toyoichiro;Aridome, Norifumi;Miyamoto, Akira;Yamaguchi, Masayuki. And the article was included in Polymer in 2022.Application In Synthesis of 2,2-Bis(((3-(3,5-di-tert-butyl-4-hydroxyphenyl)propanoyl)oxy)methyl)propane-1,3-diyl bis(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propanoate) This article mentions the following:

The present paper describes a novel method for reinforcing isotactic polypropylene (PP) by adding poly(vinyl alc.) (PVA) fibers prepared by melt-stretching. Low-viscosity PVA droplets were deformed into fibers in the molten PP by melt-stretching them beyond the m.p. of PVA. When the obtained composite was extruded below the m.p. of PVA, the fibers became oriented toward the flow direction. The PVA demonstrated marked nucleating activity with regard to PP crystallization, which was further promoted by enlargement of the surface area by fibrillization. As a result, there was virtually no orientation relaxation of the PP chains with an increase in crystallinity, which explains the improvement in rigidity of the reinforced composite. In the experiment, the researchers used many compounds, for example, 2,2-Bis(((3-(3,5-di-tert-butyl-4-hydroxyphenyl)propanoyl)oxy)methyl)propane-1,3-diyl bis(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propanoate) (cas: 6683-19-8Application In Synthesis of 2,2-Bis(((3-(3,5-di-tert-butyl-4-hydroxyphenyl)propanoyl)oxy)methyl)propane-1,3-diyl bis(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propanoate)).

2,2-Bis(((3-(3,5-di-tert-butyl-4-hydroxyphenyl)propanoyl)oxy)methyl)propane-1,3-diyl bis(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propanoate) (cas: 6683-19-8) 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.Application In Synthesis of 2,2-Bis(((3-(3,5-di-tert-butyl-4-hydroxyphenyl)propanoyl)oxy)methyl)propane-1,3-diyl bis(3-(3,5-di-tert-butyl-4-hydroxyphenyl)propanoate)

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

Synthesis of 2,2-dimethyl-5-hydroxymethyl-1,3-dioxane was written by Li, Peijie;Xu, Zheng;Wu, Xiaochun;Wu, Yong. And the article was included in Huaxi Yaoxue Zazhi in 2001.Name: Ethyl 2,2-dimethyl-1,3-dioxane-5-carboxylate This article mentions the following:

2,2-Dimethyl-5-hydromethyl-1,3-dioxane was synthesized from di-Et malonate by condensation with formaldehyde in the presence of KHCO₃, further condensation with 2,2-dimethoxypropane, decarboxylation in DMSO-NaCl, and reduction with LiAlH₄, provide product with over all yield 41%. In the experiment, the researchers used many compounds, for example, Ethyl 2,2-dimethyl-1,3-dioxane-5-carboxylate (cas: 82962-54-7Name: Ethyl 2,2-dimethyl-1,3-dioxane-5-carboxylate).

Ethyl 2,2-dimethyl-1,3-dioxane-5-carboxylate (cas: 82962-54-7) 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.Name: Ethyl 2,2-dimethyl-1,3-dioxane-5-carboxylate

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

Sulfone-stabilized carbanions for the reversible covalent capture of a posttranslationally-generated cysteine oxoform found in protein tyrosine phosphatase 1B (PTP1B) was written by Parsons, Zachary D.;Ruddraraju, Kasi Viswanatharaju;Santo, Nicholas;Gates, Kent S.. And the article was included in Bioorganic & Medicinal Chemistry in 2016.Synthetic Route of C4H8O4S This article mentions the following:

Redox regulation of protein tyrosine phosphatase 1B (PTP1B) involves oxidative conversion of the active site cysteine thiolate into an electrophilic sulfenyl amide residue. Reduction of the sulfenyl amide by biol. thiols regenerates the native cysteine residue. Here the authors explored fundamental chem. reactions that may enable covalent capture of the sulfenyl amide residue in oxidized PTP1B. Various sulfone-containing carbon acids were found to react readily with a model peptide sulfenyl amide via attack of the sulfonyl carbanion on the electrophilic sulfur center in the sulfenyl amide. Both the products and the rates of these reactions were characterized. The results suggest that capture of a peptide sulfenyl amide residue by sulfone-stabilized carbanions can slow, but not completely prevent, thiol-mediated generation of the corresponding cysteine-containing peptide. Sulfone-containing carbon acids may be useful components in the construction of agents that knock down PTP1B activity in cells via transient covalent capture of the sulfenyl amide oxoform generated during insulin signaling processes. In the experiment, the researchers used many compounds, for example, Methyl 2-(methylsulfonyl)acetate (cas: 62020-09-1Synthetic Route of C4H8O4S).

Methyl 2-(methylsulfonyl)acetate (cas: 62020-09-1) 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.Synthetic Route of C4H8O4S

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

Efficient synthesis of NIR emitting bis[2-(2′-hydroxylphenyl)benzoxazole] derivative and its potential for imaging applications was written by Wang, Junfeng;Baumann, Hannah;Bi, Xiaoman;Shriver, Leah P.;Zhang, Zhaoda;Pang, Yi. And the article was included in Bioorganic Chemistry in 2020.Name: Methyl 5-methoxy-2-nitrobenzoate This article mentions the following:

Unassymetric bis[2-(2′-hydroxyphenylbenzoxole)] bis(HBO) derivatives with a DPA functionality for zinc binding have been developed with an efficient synthetic route, using the retrosynthetic anal. Comparison of bis(HBO) derivatives with different substitution patterns allows us to verify and optimize their unique fluorescence properties. Upon binding zinc cation, bis(HBO) derivatives give a large fluorescence turn-on in both visible (λ_em ≈ 536 nm) and near-IR (NIR) window (λ_em ≈ 746 nm). The probes are readily excitable by a 488 nm laser, making this series of compounds a suitable imaging tool for in vitro and in vivo study on a confocal microscope. The application of zinc binding-induced fluorescence turn-on is successfully demonstrated in cellular environments and thrombus imaging. In the experiment, the researchers used many compounds, for example, Methyl 5-methoxy-2-nitrobenzoate (cas: 2327-45-9Name: Methyl 5-methoxy-2-nitrobenzoate).

Methyl 5-methoxy-2-nitrobenzoate (cas: 2327-45-9) 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. 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. Name: Methyl 5-methoxy-2-nitrobenzoate

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

N-Substituted pyrrolopyrimidines and purines as p90 ribosomal S6 protein kinase-2 (RSK2) inhibitors was written by Casalvieri, Kimberly A.;Matheson, Christopher J.;Warfield, Becka M.;Backos, Donald S.;Reigan, Philip. And the article was included in Bioorganic & Medicinal Chemistry in 2021.Reference of 20637-09-6 This article mentions the following:

In the current study, a series of pyrrolopyrimidines and purines were developed to replace the pteridinone ring of BI-D1870, with a range of N-substituents that extended to the substrate binding site to probe complementary interactions, while retaining the 2,6-difluorophenol-4-amino group to maintain interactions with the hinge domain and the DFG motif. Several compounds inhibited cellular RSK2 activity and compounds that uncoupled cellular RSK2 inhibition from potent cytotoxicity in the MOLM-13 AML cell line were identified . These N-substituted probes revealed an opportunity to further examine substituents that extend from the ATP- to the substrate-binding site may confer improved RSK potency and selectivity. In the experiment, the researchers used many compounds, for example, Methyl 4-(4-aminophenyl)butanoate (cas: 20637-09-6Reference of 20637-09-6).

Methyl 4-(4-aminophenyl)butanoate (cas: 20637-09-6) 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.Reference of 20637-09-6

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

Aromatic and sensory characterization of Maturana Blanca wines made with different technologies was written by Naranjo, Ana;Martinez-Lapuente, Leticia;Ayestaran, Belen;Guadalupe, Zenaida;Perez, Irene;Canals, Clara;Adell, Elena. And the article was included in Beverages in 2021.Reference of 706-14-9 This article mentions the following:

Vitis vinifera L. cv. Maturana Blanca is an autochthonous minor variety recently recovered in the Rioja Qualified Denomination of Origin (D.O.Ca Rioja, Spain) for the production of monovarietal white wines with singular and differentiated characteristics. In this paper, Maturana Blanca wines made with different technologies were analyzed by sensory anal. and aromatic profile by gas chromatog.-mass detector. Maturana Blanca wines were characterized by low pH, high acidity, and yellowish tonalities. The compounds that most influenced the aroma of Maturana Blanca wines were those related to fruity (acetates and Et esters), floral aromas (2-phenylethanol), and spicy notes (γ-decalactone). These wines were mainly characterized by volatile compounds of fruity aromas of banana and apple. The use of pre-fermentative maceration increased the concentration of Et esters and acetates and produced wines with higher odor activity values, indicating a greater aromatic intensity. The aromatic profile of Maturana Blanca wines fermented in oak barrels showed a greater complexity as they were also characterized by the presence of important amounts of furfural, whiskey lactone, and eugenol. The sensory anal. confirmed the results obtained in the aromatic anal., and described the wines as fresh and balanced in mouth, with notes of acidity and medium to high persistence. These results will contribute to a better knowledge of this white variety. In the experiment, the researchers used many compounds, for example, 5-Hexyldihydrofuran-2(3H)-one (cas: 706-14-9Reference of 706-14-9).

5-Hexyldihydrofuran-2(3H)-one (cas: 706-14-9) 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 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. Reference of 706-14-9

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