Tag: 100-200

Comparative transcriptomic and metabolic analysis reveals the effect of melatonin on delaying anthracnose incidence upon postharvest banana fruit peel was written by Li, Taotao;Wu, Qixian;Zhu, Hong;Zhou, Yijie;Jiang, Yueming;Gao, Huijun;Yun, Ze. And the article was included in BMC Plant Biology in 2019.Synthetic Route of C10H20O2 This article mentions the following:

Banana anthracnose, caused by Colletotrichum musae, is one of the most severe postharvest diseases in banana. Melatonin is widely known for its role in enhancing plant stress tolerance. However, little is known about the control of melatonin on anthracnose in postharvest banana fruit. In this study, exogenous melatonin treatment could significantly reduce the incidence of anthracnose in ripe yellow banana fruit and delay fruit senescence. However, melatonin treatment did not affect the growth of Colletotrichum musae in vitro. Transcriptomic anal. of banana peel showed that 339 genes were up-regulated and 241 were down-regulated in the peel after melatonin treatment, compared with the control. Based on GO terms and KEGG pathway, these up-regulated genes were mainly categorized into signal transduction, cell wall formation, secondary metabolism, volatile compounds synthesis and response to stress, which might be related to the anti-anthracnose of banana fruit induced by melatonin treatment. This view was also supported by the increase of volatile compounds, cell wall components and IAA content in the melatonin-treated fruit peel via the metabolomic anal. After melatonin treatment, auxin, ethylene and mitogen-activated protein kinase (MAPK) signaling pathways were enhanced, which might be involved in the enhanced fruit resistance by regulating physiol. characteristics, disease-resistant proteins and metabolites. Our results provide a better understanding of the mol.processes in melatonin treatment delaying banana fruit senescence and anthracnose incidence. In the experiment, the researchers used many compounds, for example, Isopentyl 3-methylbutanoate (cas: 659-70-1Synthetic Route of C10H20O2).

Isopentyl 3-methylbutanoate (cas: 659-70-1) 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.Synthetic Route of C10H20O2

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

Rhodium(I)-catalyzed vinylation/[2+1] carbocyclization of 1,6-enynes with α-diazocarbonyl compounds was written by Huang, Junmin;Hu, Xinwei;Chen, Fengjuan;Gui, Jiao;Zeng, Wei. And the article was included in Organic & Biomolecular Chemistry in 2019.HPLC of Formula: 13669-10-8 This article mentions the following:

A sequential Rh(I)-catalyzed vinylation/[2+1]carbocyclization between enynes and diazo compounds has been developed. This transformation features a wide range of enynes and acceptor/acceptor diazo compounds, providing easy access to versatile vinyl-substituted azabicyclo[3.1.0]hexanes having a broad tolerance to functional groups. In the experiment, the researchers used many compounds, for example, Ethyl 3-oxo-3-(thiophen-2-yl)propanoate (cas: 13669-10-8HPLC of Formula: 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. 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.HPLC of Formula: 13669-10-8

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

Bronsted Acid/Silane Catalytic System for Intramolecular Hydroalkoxylation and Hydroamination of Unactivated Alkynes was written by Shibuya, Masatoshi;Fujita, Shoji;Abe, Masanori;Yamamoto, Yoshihiko. And the article was included in ACS Catalysis in 2017.Category: esters-buliding-blocks This article mentions the following:

The Bronsted acid-catalyzed intramol. hydroalkoxylation and hydroamination of unactivated alkynes are described. We found that unactivated alkynes are electrophilically activated by a catalytic amount of bis(trifluoromethanesulfonyl)imide to undergo intramol. hydroalkoxylation and hydroamination. In the presence of silane Et₃SiH, the formed reactive exo-cyclic enol ether and exo-cyclic enamine intermediates are effectively reduced to the corresponding saturated cyclic ethers and N-protected cyclic amines. The 2,4-cis and 2,5-cis pyrrolidine derivatives are produced with high diastereoselectivity. Taking advantage of this selectivity, the 2,5-cis-disubstituted prolinol was also synthesized from glutamic acid in the optically active form. In the experiment, the researchers used many compounds, for example, Diethyl 2-(prop-2-yn-1-yl)malonate (cas: 17920-23-9Category: esters-buliding-blocks).

Diethyl 2-(prop-2-yn-1-yl)malonate (cas: 17920-23-9) 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. 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.Category: esters-buliding-blocks

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

Bioherbicide Potential of Eucalyptus saligna Leaf Litter Essential Oil was written by Silva, Eliane R.;Igartuburu, Jose M.;Overbeck, Gerhard E.;Soares, Geraldo L. G.;Macias, Francisco A.. And the article was included in Chemistry & Biodiversity in 2020.Related Products of 659-70-1 This article mentions the following:

We aimed to evaluate the bioherbicide potential of Eucalyptus saligna leaf litter essential oil, its fractions and major compounds Six essential oil fractions were obtained by preparative thin-layer chromatog. and analyzed by gas chromatog./mass spectrometry. Effects of the oil, its fractions and major compounds (1,8-cineole and/or α-pinene) diluted in aqueous solution were assessed on germination and seedling growth. Recipient species were Lactuca sativa (model), Amaranthus viridis (weed), Eragrostis plana (weed), and Paspalum notatum (forage). The essential oil was more phytotoxic on A. viridis and L. sativa, followed by E. plana, and caused no effects on P. notatum. Amaranthus viridis was inhibited by all treatments, mainly the essential oil, α-pinene and fraction 6, whereas E. plana was more affected by the oil fractions. Results revealed the species-specific phytotoxic effects of E. saligna essential oil, indicating its potential use for controlling A. viridis and E. plana. Phytotoxic effects of essential oils or their components should not be generalized, as effects may change according to recipient species. In the experiment, the researchers used many compounds, for example, Isopentyl 3-methylbutanoate (cas: 659-70-1Related Products of 659-70-1).

Isopentyl 3-methylbutanoate (cas: 659-70-1) 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.Related Products of 659-70-1

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

Identification of Novel Triazole-Based Nicotinamide Phosphoribosyltransferase (NAMPT) Inhibitors Endowed with Antiproliferative and Antiinflammatory Activity was written by Travelli, Cristina;Aprile, Silvio;Rahimian, Reza;Grolla, Ambra A.;Rogati, Federica;Bertolotti, Mattia;Malagnino, Floriana;di Paola, Rosanna;Impellizzeri, Daniela;Fusco, Roberta;Mercalli, Valentina;Massarotti, Alberto;Stortini, Giorgio;Terrazzino, Salvatore;Del Grosso, Erika;Fakhfouri, Gohar;Troiani, Maria Pia;Alisi, Maria Alessandra;Grosa, Giorgio;Sorba, Giovanni;Canonico, Pier Luigi;Orsomando, Giuseppe;Cuzzocrea, Salvatore;Genazzani, Armando A.;Galli, Ubaldina;Tron, Gian Cesare. And the article was included in Journal of Medicinal Chemistry in 2017.Recommanded Product: Methyl 2-(4-(hydroxymethyl)phenyl)acetate This article mentions the following:

Nicotinamide phosphoribosyltransferase (NAMPT) is a key enzyme involved in the recycling of nicotinamide to maintain adequate NAD levels inside the cells. It has been postulated to be a pharmacol. target, as it is overexpressed in cancer cells as well as in inflammatory diseases. We describe the synthesis and characterization of a novel class of one-digit nanomolar NAMPT inhibitors based on in vitro characterization. The most active compound tested, I, displayed activity in xenograft and allograft models, strengthening the potential of NAMPT inhibitors as antitumoral drugs. Furthermore, in the present contribution we describe the ability of I to significantly improve the outcome of colitis in mice. Given that this is the first report of an effect of NAMPT inhibitors in colitis, this result paves the way for novel applications for this class of compounds In the experiment, the researchers used many compounds, for example, Methyl 2-(4-(hydroxymethyl)phenyl)acetate (cas: 155380-11-3Recommanded Product: Methyl 2-(4-(hydroxymethyl)phenyl)acetate).

Methyl 2-(4-(hydroxymethyl)phenyl)acetate (cas: 155380-11-3) 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. 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: Methyl 2-(4-(hydroxymethyl)phenyl)acetate

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

Photocatalytic Hydromethylation and Hydroalkylation of Olefins Enabled by Titanium Dioxide Mediated Decarboxylation was written by Zhu, Qilei;Nocera, Daniel G.. And the article was included in Journal of the American Chemical Society in 2020.HPLC of Formula: 868-57-5 This article mentions the following:

A versatile method for the hydromethylation and hydroalkylation of alkenes at room temperature is achieved by using the photooxidative redox capacity of the valence band of anatase titanium dioxide (TiO₂). Mechanistic studies support a radical-based mechanism involving the photoexcitation of TiO₂ with 390 nm light in the presence of acetic acid and other carboxylic acids to generate Me and alkyl radicals, resp., without the need for stoichiometric base. This protocol is accepting of a broad scope of alkene and carboxylic acids, including challenging ones that produce highly reactive primary alkyl radicals and those containing functional groups that are susceptible to nucleophilic substitution such as alkyl halides. This methodol. highlights the utility of using heterogeneous semiconductor photocatalysts such as TiO₂ for promoting challenging organic syntheses that rely on highly reactive intermediates. In the experiment, the researchers used many compounds, for example, Methyl2-methylbutyrate (cas: 868-57-5HPLC of Formula: 868-57-5).

Methyl2-methylbutyrate (cas: 868-57-5) 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. 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.HPLC of Formula: 868-57-5

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

Co-encapsulation of Pimpinella anisum and Coriandrum sativum essential oils based synergistic formulation through binary mixture: Physico-chemical characterization, appraisal of antifungal mechanism of action, and application as natural food preservative was written by Das, Somenath;Singh, Vipin Kumar;Chaudhari, Anand Kumar;Deepika;Dwivedy, Abhishek Kumar;Dubey, Nawal Kishore. And the article was included in Pesticide Biochemistry and Physiology in 2022.Recommanded Product: 105-87-3 This article mentions the following:

The present study aimed to co-encapsulate binary synergistic formulation of Pimpinella anisum and Coriandrum sativum (PC) essential oils (0.75:0.25) into chitosan nanoemulsion (Nm-PC) with effective inhibition against fungal proliferation, aflatoxin B1 (AFB1) secretion, and lipid peroxidation in stored rice. Physico-chem. characterization of Nm-PC by SEM, FTIR, and XRD confirmed successful encompassment of PC inside the chitosan nanomatrix with efficient interaction by functional groups and reduction in crystallinity. Nm-PC showed superior antifungal, antiaflatoxigenic, and antioxidant activities over unencapsulated PC. Reduction in ergosterol biosynthesis and enhanced leakage of Ca2+, K+, Mg2+ ions and 260, 280 nm absorbing materials by Nm-PC fumigation confirmed irreversible damage of plasma membrane in toxigenic Aspergillus flavus cells. Significant diminution of methylglyoxal in A. flavus cells by Nm-PC fumigation illustrated biochem. mechanism for antiaflatoxigenic activity, suggesting future exploitation for development of aflatoxin resistant rice varieties through green transgenic technol. In silico findings indicated specific stereo-spatial interaction of anethole and linalool with Nor-1 protein, validating mol. mechanism for AFB1 inhibition. In addition, in situ investigation revealed effective protection of stored rice against fungal occurrence, AFB1 biosynthesis, and lipid peroxidation without affecting organoleptic attributes. Moreover, mammalian non-toxicity of chitosan entrapped PC synergistic nanoformulation could provide exciting potential for application as eco-smart safe nano-green food preservative. In the experiment, the researchers used many compounds, for example, (E)-3,7-Dimethylocta-2,6-dien-1-yl acetate (cas: 105-87-3Recommanded Product: 105-87-3).

(E)-3,7-Dimethylocta-2,6-dien-1-yl acetate (cas: 105-87-3) 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. 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. Recommanded Product: 105-87-3

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

Thiourea catalysed reduction of α-keto substituted acrylate compounds using Hantzsch ester as a reducing agent in water was written by Weng, Guanglin;Ma, Xiaobo;Fang, Dongmei;Tan, Ping;Wang, Lijiao;Yang, Linlin;Zhang, Yuanyuan;Qian, Shan;Wang, Zhouyu. And the article was included in RSC Advances in 2017.Related Products of 13669-10-8 This article mentions the following:

The first method for the reduction of α-keto substituted acrylate compounds RC(O)C(=CHR¹)C(O)OR² (R = Me, Ph, thiophen-2-yl, etc.; R¹ = Et, 4-ClC₆H₄, furan-2-yl, etc.; R² = Me, Et, i-Pr, t-Bu, Bn) by Hantzsch ester in water under the catalysis of thiourea, e.g., 1-(3,5-bis(trifluoromethyl)phenyl)-3-((1S,2R)-2-hydroxy-1,2-diphenylethyl)thiourea has been developed. The products RC(O)CH(CH₂R¹)C(O)OR² were isolated in moderate to high yields (38-95%). These products are important intermediates in the synthesis of a series of natural products and other biol. active mols. In the experiment, the researchers used many compounds, for example, Ethyl 3-oxo-3-(thiophen-2-yl)propanoate (cas: 13669-10-8Related Products of 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.Related Products of 13669-10-8

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

Binding of phenylalkylamine derivatives at 5-HT1C and 5-HT2 serotonin receptors: evidence for a lack of selectivity was written by Glennon, Richard A.;Raghupathi, Reva;Bartyzel, Piotr;Teitler, Milt;Leonhardt, Sigrun. And the article was included in Journal of Medicinal Chemistry in 1992.Electric Literature of C10H12O3 This article mentions the following:

Certain phenylalkylamine derivatives have been considered to bind selectively at 5-HT₂ serotonin receptors. It is not recognized that the most widely used derivatives, i.e., 1-(2,5-dimethoxy-4-X-phenyl)-2-aminopropanes where X = Me (DOM), Br (DOB), and I (DOI) also bind at the more recently identified population of serotonin 5-HT^1C receptors. The purpose of the present investigation was to determine whether simple phenylalkylamines bind selectively at 1 population of receptors over the other. An examination of 34 derivatives reveals (i) similar structure-affinity relationships and (ii) a significant correlation (r = >0.9, n = 25) between 5-HT_1C and 5-HT₂ affinity. None of the compounds included in the present study displayed more than a 10-fold selectivity for 1 population of these receptors over the other; the results suggest that these compounds (including the widely used 5-HT₁ agonists DOB and DOI) are 5-HT_1C/5-HT₂ agents. In the experiment, the researchers used many compounds, for example, Methyl 2-methoxy-4-methylbenzoate (cas: 81245-24-1Electric Literature of C10H12O3).

Methyl 2-methoxy-4-methylbenzoate (cas: 81245-24-1) 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.Electric Literature of C10H12O3

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

The influence of selected autochthonous Saccharomyces cerevisiae strains on the physicochemical and sensory properties of narince wines was written by Celik, Zeynep Dilan;Erten, Huseyin;Cabaroglu, Turgut. And the article was included in Fermentation in 2019.Reference of 15399-05-0 This article mentions the following:

Vitis vinifera cv.Narince is a Turkish native white grape variety. In this study, volatile and sensory properties of Narince wines that are produced with autochthonous Saccharomyces cerevisiae (S. cerevisiae) strains and com. strain were compared. Autochthonous yeast strains 1044 (MG017575), 1088 (MG017577), and 1281 (MG017581) were previously isolated from spontaneous fermentations of Narince grapes. Volatile compounds formed in wines were extracted using a liquid-liquid extraction method and determined by GC-MS-FID. All yeast strains fermented Narince grape juice to dryness. The differences between the volatile profiles of the yeast strains were determined Wines fermented with autochthonous strains 1281 and 1044 produced a higher amount of acetates and Et esters. While the highest concentrations of Et hexanoate and hexyl acetate were found in wine fermented with 1044, the highest concentrations of Et octanoate, Et decanoate, isoamyl acetate, and 2-phenylethyl acetate were found in wine fermented with strain 1281. Also, the highest contents of 2-Ph ethanol and linalool were found in wine fermented with strain 1281. According to sensory anal., the wine fermented with 1281 achieved the best scores in floral and fruity attributes, as well as balance and global impression. The data obtained in the present study showed that autochthonous yeast strains affect the final physicochem. composition and sensory profile of Narince wines. In the experiment, the researchers used many compounds, for example, Ethyl 2-hydroxy-3-phenylpropanoate (cas: 15399-05-0Reference of 15399-05-0).

Ethyl 2-hydroxy-3-phenylpropanoate (cas: 15399-05-0) belongs to esters. Carboxylic acid esters of low molecular weight are colourless, volatile liquids with pleasant odours, slightly soluble in water. 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.Reference of 15399-05-0

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