Tag: 100-200

On August 31, 2017, Bodner, Michaela; Vagalinski, Boyan; Makarov, Slobodan E.; Raspotnig, Guenther published an article.Electric Literature of 85-91-6 The title of the article was Methyl N-methylanthranilate: major compound in the defensive secretion of Typhloiulus orpheus (Diplopoda, Julida). And the article contained the following:

The defensive secretion of the julid diplopod Typhloiulus orpheus contains Me N-methylanthranilate (MNMA), an ester of N-methylanthranilic acid that comprises more than 99% of secretion of this species. MNMA is accompanied by small amounts of Me anthranilate and two benzoquinones (2-methyl-1,4-benzoquinone and 2-ethyl-1,4-benzoquinone, resp.). MNMA is a known intermediate in the biosynthesis of both benzoquinones (as present in defensive secretions of juliformians) and glomerin-like quinazolines (chem. defense in Glomerida). The compound may have evolved independently in the pathway to glomeridan chem., or may even represent a pivotal branching point in the pathway to different chem. classes of diplopod defensive chem. The experimental process involved the reaction of Methyl N-Methylanthranilate(cas: 85-91-6).Electric Literature of 85-91-6

The Article related to methyl n methylanthranilate typhloiulus orpheus, chemical defense, julidae, methyl n-methylanthranilate, quinone millipedes, Plant Biochemistry: Development and Aging and other aspects.Electric Literature of 85-91-6

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

Noriega, Paco F.; Paredes, Erika A.; Mosquera, Tatiana D.; Diaz, Edison E.; Lueckhoff, Angelika; Basantes, Jessica E.; Trujillo, Andrea L. published an article in 2016, the title of the article was Chemical composition antimicrobial and free radical scavenging activity of essential oil from leaves of Renealmia thyrsoidea (Ruiz &Pav.) Poepp. & Endl.COA of Formula: C9H11NO2 And the article contains the following content:

Renealmia thryrsoidea (Ruiz & Pav.) Poepp. & amp; Endl is a plant used by the Amazonian indigenous people of Ecuador for its various medicinal properties. Its leaves exhibit a remarkable aroma with a hint of spiciness. The essential oil extracted from its leaves was analyzed by GM/MS, using two systems with columns of different polarity, in both was confirmed the presence of terpinolene (26.32%), α-felandrene (17.16%), γ-terpinene (6.55%), β-pinene (5.97%) and p-cymol (4.70%). Free radical scavenging activity was analyzed through 2,2-diphenyl-1-picrylhydrazyl (DPPH) and 2,2′-azino-bis(3-ethylbenzothiazoline-6- sulfonic acid) (ABTS) spectrophotometric methods; by applying ABTS method, the activity was comparable to that of the essential oil of Thymus vulgaris. The trials of antimicrobial activity show a strong inhibition against Gram neg. bacteria as Escherichia coli and Pseudomonas aeruginosa. The experimental process involved the reaction of Methyl N-Methylanthranilate(cas: 85-91-6).COA of Formula: C9H11NO2

The Article related to renealmia leaf essential oil chem composition antimicrobial scavenging activity, Pharmaceuticals: Pharmacognostic Products and other aspects.COA of Formula: C9H11NO2

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

On August 7, 2018, Xie, Sheng-Ming; Fu, Nan; Li, Li; Yuan, Bao-Yan; Zhang, Jun-Hui; Li, Yan-Xia; Yuan, Li-Ming published an article.Quality Control of (R)-Methyl 3-hydroxybutanoate The title of the article was Homochiral Metal-Organic Cage for Gas Chromatographic Separations. And the article contained the following:

Metal-organic cages (MOCs) as a new type of porous material with well-defined cavities were extensively pursued because of their relative ease of synthesis and their potential applications in host-guest chem., mol. recognition, separation, catalysis, gas storage, and drug delivery. Here, the authors 1st reported that a homochiral MOC [Zn3L2] is explored to fabricate [Zn3L2] coated capillary column for high-resolution gas chromatog. separation of a wide range of analytes, including n-alkanes, polycyclic aromatic hydrocarbons, and positional isomers, especially for racemates. Various kinds of racemates such as alcs., diols, epoxides, ethers, halohydrocarbons, and esters were separated with good enantioselectivity and reproducibility on the [Zn3L2] coated capillary column. The fabricated [Zn3L2] coated capillary column exhibited significant chiral recognition complementary to that of a com. β-DEX 120 column and the authors’ recently reported homochiral porous organic cage CC3-R coated column. The homochiral MOCs will be very attractive as a new type of chiral selector in separation science. The experimental process involved the reaction of (R)-Methyl 3-hydroxybutanoate(cas: 3976-69-0).Quality Control of (R)-Methyl 3-hydroxybutanoate

The Article related to homochiral metal organic cage gc stationary phase chiral recognition, Organic Analytical Chemistry: Separations and other aspects.Quality Control of (R)-Methyl 3-hydroxybutanoate

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

On April 30, 2022, Davies, C.; Bottcher, C.; Nicholson, E. L.; Burbidge, C. A.; Boss, P. K. published an article.Product Details of 123-25-1 The title of the article was Timing of auxin treatment affects grape berry growth, ripening timing and the synchronicity of sugar accumulation. And the article contained the following:

Climate change has resulted in earlier berry development and compressed harvests creating problems with harvesting and winery logistics and causing undesired modifications to grape and wine composition, such as elevated concentration of berry sugar and wine alc. Auxin treatment of grapevine bunches prior to veraison can counteract these adverse changes by delaying berry maturation. The most efficacious timing of 1-naphthaleneacetic acid (NAA) application along with the effects of application timing on berry growth, and berry and wine composition are yet to be identified. Cabernet Sauvignon bunches were treated with 50 mg/L NAA at three different times prior to, and at, veraison. The nearer to veraison the NAA application the longer the delay in harvest. Compared with the Control the NAA treatment reduced berry shrivel and increased the synchronicity of berry populations in terms of the accumulation of TSS with only minor effects on berry composition and wine volatile compounds Auxin treatment delayed ripening, reduced berry shrivel and increased ripening synchronicity with little effect on berry and wine composition Auxin treatment of grape bunches could be used to manage problems caused by climate change, including, compressed harvests and ripening under hotter conditions, in a targeted manner in existing vineyards. The experimental process involved the reaction of Diethyl succinate(cas: 123-25-1).Product Details of 123-25-1

The Article related to grape berry growth ripening sugar synchronicity auxin treatment, Plant Biochemistry: Development and Aging and other aspects.Product Details of 123-25-1

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

On February 28, 2021, Stasse, Margot; Ribaut, Tiphaine; Heroguez, Valerie; Schmitt, Veronique published an article.Name: Methyl N-Methylanthranilate The title of the article was Elaboration of double emulsion-based polymeric capsules for fragrance. And the article contained the following:

Abstract: We aim at encapsulating fragrances made of a variety of lipophilic species to slow down their diffusion. Our strategy is to develop capsules by polymerizing the water intermediate phase of an oil-in-water-in-oil double emulsion. In other terms, our system consists in a direct emulsion of fragrance (O1) in a water phase (W) containing monomer, initiator, and cross-linker. To obtain the double emulsion, this direct emulsion, stabilized by a hydrophilic surfactant, is itself dispersed in an external lipophilic solvent used in perfumery (O2) and stabilized by a lipophilic surfactant. Polymerization of the intermediate water phase aims at obtaining a 3D network. Differently from nowadays-proposed capsules, this strategy allows polymerization only taking place in the water phase rather in the phase containing the fragrance. Moreover, the obtained 3D network is supposed to play the role of an effective barrier limiting the diffusion of the inner lipophilic species towards either the external solvent or air. Such an approach implies the combination of a formulation step to elaborate the double emulsion using two antagonistic surfactants, a hydrophilic one and a lipophilic one, and of the polymerization of the intermediate phase. Insertion of the polymerizable species in the double emulsion shall not destabilize it. Some monomers exhibiting interfacial affinity and interfering with the formulation of the double emulsion have to be avoided. By varying the nature of the monomers and the cross-linker to monomer ratio, capsules with high encapsulation efficiencies and with various mech. properties have been obtained. The experimental process involved the reaction of Methyl N-Methylanthranilate(cas: 85-91-6).Name: Methyl N-Methylanthranilate

The Article related to double emulsion polymeric capsule fragrance, Essential Oils and Cosmetics: Dentifrices and other aspects.Name: Methyl N-Methylanthranilate

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

Boughendjioua, Hicham; Boughendjioua, Zahra published an article in 2017, the title of the article was Chemical composition and biological activity of essential oilof mandarin (Citrus reticulata) cultivated in Algeria.Quality Control of Methyl N-Methylanthranilate And the article contains the following content:

In the present study, the volatile compounds of Citrus reticulata were detected and identified by GC-MS and FTIR anal. GC-MS allowed us to identify 24 volatile compounds and indicated that the main compounds constituting the volatile oil were mainly Limonene (67.04%), γ-Terpinene (15.50%) and α-Pinene (2.75%), this compounds were also identified by FTIR anal. The essential oil was also subjected to a biol. screening for its possible antioxidant effect by means of DPPH radical scavenging test; the sample tested showed slight antioxidant activity in comparison with the pos. control (Ascorbic acid). Citrus reticulata essential oil was examined also against a panel of 16 bacterial strains using the agar diffusion method. The obtained results showed that the essential oil exhibited moderate to strong antimicrobial activity against the tested microorganisms. These results suggested that the Citrus reticulata essential oil possesses a good antimicrobial and antioxidant properties. The experimental process involved the reaction of Methyl N-Methylanthranilate(cas: 85-91-6).Quality Control of Methyl N-Methylanthranilate

The Article related to citrus essential oil biol activity algeria, Pharmaceuticals: Pharmacognostic Products and other aspects.Quality Control of Methyl N-Methylanthranilate

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

On April 30, 2020, Bentley, Mark C.; Almstetter, Martin; Arndt, Daniel; Knorr, Arno; Martin, Elyette; Pospisil, Pavel; Maeder, Serge published an article.Application In Synthesis of 3-Acetyldihydrofuran-2(3H)-one The title of the article was Comprehensive chemical characterization of the aerosol generated by a heated tobacco product by untargeted screening. And the article contained the following:

Abstract: A suite of untargeted methods has been applied for the characterization of aerosol from the Tobacco Heating System 2.2 (THS2.2), a heated tobacco product developed by Philip Morris Products S.A. and commercialized under the brand name IQOS. A total of 529 chem. constituents, excluding water, glycerin, and nicotine, were present in the mainstream aerosol of THS2.2, generated by following the Health Canada intense smoking regimen, at concentrations ≥ 100 ng/item. The majority were present in the particulate phase (n = 402), representing more than 80% of the total mass determined by untargeted screening; a proportion were present in both particulate and gas-vapor phases (39 compounds). The identities for 80% of all chem. constituents (representing > 96% of the total determined mass) were confirmed by the use of authentic anal. reference materials. Despite the uncertainties that are recognized to be associated with aerosol-based untargeted approaches, the reported data remain indicative that the uncharacterized fraction of TPM generated by THS2.2 has been evaluated to the fullest practicable extent. To the best of our knowledge, this work represents the most comprehensive chem. characterization of a heated tobacco aerosol to date. The experimental process involved the reaction of 3-Acetyldihydrofuran-2(3H)-one(cas: 517-23-7).Application In Synthesis of 3-Acetyldihydrofuran-2(3H)-one

The Article related to aerosol heated tobacco product untargeted screening, aerosol, chemical characterization, gc×gc-tofms, heated tobacco product, lc-hram-ms, untargeted screening, Toxicology: Methods (Including Analysis) and other aspects.Application In Synthesis of 3-Acetyldihydrofuran-2(3H)-one

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

On May 15, 2020, Garcia, Anthony D.; Leech, Matthew C.; Petti, Alessia; Denis, Camille; Goodall, Iain C. A.; Dobbs, Adrian P.; Lam, Kevin published an article.Name: (Trimethoxymethyl)benzene The title of the article was Anodic Oxidation of Dithiane Carboxylic Acids: A Rapid and Mild Way to Access Functionalized Orthoesters. And the article contained the following:

A new electrochem. methodol. has been developed for the preparation of a wide variety of functionalized orthoesters under mild and green conditions from easily accessible dithiane derivatives The new methodol. also offers an unprecedented way to access tri(fluorinated) orthoesters, a class of compound that has never been studied before. This provides the community with a rapid and general method to prepare libraries of functionalized orthoesters from simple and readily available starting materials. The experimental process involved the reaction of (Trimethoxymethyl)benzene(cas: 707-07-3).Name: (Trimethoxymethyl)benzene

The Article related to dithianecarboxylic acid alc electrochem oxidation orthoesterification green chem, ortho ester preparation, Aliphatic Compounds: Ethers and Sulfides and other aspects.Name: (Trimethoxymethyl)benzene

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

Chattaway, Claire; Magnin, Delphine; Ferain, Etienne; Demoustier-Champagne, Sophie; Glinel, Karine published an article in 2019, the title of the article was Spatioselective functionalization of gold nanopillar arrays.Related Products of 6038-19-3 And the article contains the following content:

A process combining electrochem. nanofabrication by hard templating with the use of a masking strategy and surface functionalization methods, is developed to produce arrays of gold nanopillars of spatially-controlled surface chem. Therefore, a gold nanopillar array is first fabricated by performing metal electrochem. deposition into a track-etched membrane supported on a gold substrate. After dissolution of the membrane, a protective polymer layer is deposited on the array and partially etched to specifically reveal the top of the nanopillars. Then, a polythiolactone-based copolymer is grafted on the upper part of the nanopillars. Afterwards, the sacrificial polymer layer is dissolved to reveal the non-functionalized surface corresponding to the lower part of the gold nanopillars and the background surface. This surface is subsequently modified by a self-assembled monolayer (SAM) of alkylthiol mols. which leads to nanostructured surfaces with spatio-selective surface chem. The grafting of gold nanoparticles and of a bioadhesive peptide on the top and on the background of the nanopillar array, resp., is performed to prove the versatility of the approach to produce bifunctionalized nanopillar arrays for biol., biosensing or (bio)catalysis applications. The experimental process involved the reaction of 3-Aminodihydrothiophen-2(3H)-one hydrochloride(cas: 6038-19-3).Related Products of 6038-19-3

The Article related to gold nanopillar array spatioselective functionalization, Placeholder for records without volume info and other aspects.Related Products of 6038-19-3

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

Li, Z. W.; Wang, J. H. published an article in 2021, the title of the article was Analysis of volatile aroma compounds from five types of Fenghuang Dancong tea using headspace-solid phase microextraction combined with GC-MS and GC-olfactometry.Quality Control of 3-Acetyldihydrofuran-2(3H)-one And the article contains the following content:

The present work describes the relationship between volatile aroma components and flavors of Fenghuang Dancong tea. Volatile aroma components of five types of Fenghuang Dancong tea namely Baxian, Milanxiang, Yulanxiang, Guihuaxiang, and Yinhuaxiang were extracted by headspace solid-phase microextraction (HS-SPME), then analyzed by gas chromatog.- mass spectrometry (GC-MS) technique and gas chromatog. olfactometry (GC-O) techniques. The GC-MS results showed that a total of 116 volatile components were detected, among which 21 (including alcs., esters, olefins, aldehydes, ketones, and alkanes) were commonly detected in all types of tea. Based on GC-O anal., 26 active ingredients that mainly contribute to grassy, sweet, floral, fruity, woody, and honey aromas were detected. Among these ingredients, four compounds including linalool oxide I, linalool, nerol, and neroli, which give floral, sweet, and honey aromas were abundant (with high aroma intensity) in all five types of tea. This suggests that these compounds are the main components contributing to the unique aroma of Fenghuang Dancong tea. The experimental process involved the reaction of 3-Acetyldihydrofuran-2(3H)-one(cas: 517-23-7).Quality Control of 3-Acetyldihydrofuran-2(3H)-one

The Article related to tea volatile aroma compound hs spme gc ms olfactometry, Placeholder for records without volume info and other aspects.Quality Control of 3-Acetyldihydrofuran-2(3H)-one

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