Tag: 100-200

On June 30, 2017, Ndayishimiye, John; Getachew, Adane Tilahun; Chun, Byung Soo published an article.Recommanded Product: 85-91-6 The title of the article was Comparison of Characteristics of Oils Extracted from a Mixture of Citrus Seeds and Peels Using Hexane and Supercritical Carbon Dioxide. And the article contained the following:

Abstract: The processing of citrus fruits into juice is one of the world’s largest processing industries. The byproducts of this industry are about 50 % of the raw processed fruit. This not only wastes a resource of potential value, but also causes disposal problems. The aim of this work was to study the characteristics of oils extracted from a mixture (MX) of citrus seeds (CS) and citrus peels (CP) using hexane and supercritical carbon dioxide (SC-CO2) so that those byproducts can be valorized effectively. The SC-CO2 extraction conditions were 45 and 60 °C, 200 and 250 bar while for hexane was 70 °C. Hexane showed significantly (P < 0.05) higher yield than SC-CO2. The chem. composition was analyzed by GC-MS and phytosterols, monoterpenes, sesquiterpenes and oxygenated monoterpenes were the main compounds of the oils. The fatty acid composition was determined by GC and linoleic acid was the major fatty acid. The oxidative stability (OS) was performed by Rancimat and the hexane extracted oils showed higher OS. The antioxidant activity was tested with DPPH and ABTS assay and SC-CO2 extracted oils showed higher activity with IC50 values of 3.86 and 4.00 mg/mL resp. for MX and CP oils. Antimicrobial activity was tested for both extracted oils against gram pos. and gram neg. bacteria with SC-CO2 extracted oils exhibiting better inhibition. From this study, we can say that the citrus byproducts can be valorized by combining CS and CP which could give the oils with potentiality to be used in many applications. Graphical Abstract: [Figure not available: see fulltext.]. The experimental process involved the reaction of Methyl N-Methylanthranilate(cas: 85-91-6).Recommanded Product: 85-91-6

The Article related to citrus seed oil hexane supercritical carbon dioxide antimicrobial antioxidant, Food and Feed Chemistry: Packaging, Preservation, and Processing and other aspects.Recommanded Product: 85-91-6

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

On January 14, 2022, He, Yu-Tao; Li, Li-Xuan; Lin, Xiaohong; Hou, Bao-Long; Li, Chuang-Chuang published an article.Formula: C7H10O3 The title of the article was Synthesis of Various Bridged Ring Systems via Rhodium-Catalyzed Bridged (3+2) Cycloadditions. And the article contained the following:

Here, the authors describe the rhodium-catalyzed bridged [3+2]-cycloaddition cascade reactions of N-sulfonyl-1,2,3-triazoles, which allowed the efficient diastereoselective construction of various functionalized and synthetically challenging bridged ring systems. This simple, direct transformation had a broad substrate scope and excellent functional group tolerance. The highly strained polycyclic bicyclo[2.2.2]octa[b]indole core of fruticosine was synthesized efficiently using this methodol. The experimental process involved the reaction of Methyl 2-cyclopentanonecarboxylate(cas: 10472-24-9).Formula: C7H10O3

The Article related to bicycloalkane preparation diastereoselective chemoselective, sulfonyl triazole cycloaddition tandem rhodium catalyst, Heterocyclic Compounds (One Hetero Atom): Higher-Membered Rings and other aspects.Formula: C7H10O3

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

On June 3, 2020, Siddiqi, Zohaib; Wertjes, William C.; Sarlah, David published an article.Application of 707-07-3 The title of the article was Chemical Equivalent of Arene Monooxygenases: Dearomative Synthesis of Arene Oxides and Oxepines. And the article contained the following:

A general arenophile-based strategy for the dearomative synthesis of arene oxides. The mildness of this method permits access to sensitive monocyclic arene oxides without any noticeable decomposition to phenols. Moreover, this method enables direct conversion of polycyclic arenes and heteroarenes into the corresponding oxepines. Finally, these studies provided direct connection between simple aromatic precursors and complex small organic mols. via arene oxides and oxepines. The experimental process involved the reaction of (Trimethoxymethyl)benzene(cas: 707-07-3).Application of 707-07-3

The Article related to arene cycloaddition dearomative epoxidation, epoxide preparation, oxepine preparation, Heterocyclic Compounds (One Hetero Atom): Higher-Membered Rings and other aspects.Application of 707-07-3

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

On September 15, 2012, Reis, Joel S.; Andrade, Leandro H. published an article.Name: (R)-Methyl 3-hydroxybutanoate The title of the article was Lipase-catalyzed kinetic resolution of β-borylated carboxylic esters. And the article contained the following:

The kinetic resolution of chiral β-borylated carboxylic esters via lipase-catalyzed hydrolysis and transesterification reactions was studied. The enantioselective hydrolysis catalyzed by CAL-B furnished the β-borylated carboxylic acid with reasonable enantiomeric excess (62% ee), while both Me and Et β-borylated carboxylic esters were recovered with excellent ee (>99%). Meanwhile, the transesterification reaction of β-borylated carboxylic esters and several alcs., catalyzed by CAL-B, only indicated a high selectivity when ethanol and methyl-(β-pinacolylboronate)-butanoate were used as substrates, which gave ethyl-(β-pinacolylboronate)-butanoate with >99% ee. The experimental process involved the reaction of (R)-Methyl 3-hydroxybutanoate(cas: 3976-69-0).Name: (R)-Methyl 3-hydroxybutanoate

The Article related to kinetic resolution lipase catalyzed beta borylated carboxylic esters preparation, Organometallic and Organometalloidal Compounds: Boron Compounds and other aspects.Name: (R)-Methyl 3-hydroxybutanoate

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

Zheng, Yuying; Zeng, Xuan; Peng, Wei; Wu, Zhong; Su, Weiwei published an article in 2018, the title of the article was Study on the discrimination between citri reticulatae pericarpium varieties based on HS-SPME-GC-MS combined with multivariate statistical analyses.Synthetic Route of 85-91-6 And the article contains the following content:

Citri reticulatae pericarpium (CRP), the dried pericarps of Citrus reticulata Blanco and its cultivars, has been widely used in drugs and foods in China for centuries. In this study, an accurate and feasible anal. method based on HS-SPME-GC-MS coupled with multivariate statistical analyses was developed to comprehensively compare volatile compounds of pericarps derived from Citrus reticulata “Chachi” (“Guangchenpi” in Chinese, GCP) and other cultivars of Citrus reticulata Blanco (“Chenpi” in Chinese, CP). Principal component anal., hierarchical cluster anal., and orthogonal partial least-squares-discrimination anal. were performed to extract meaningful attributes from volatile profiles based on GC-MS data. Results indicated that samples from GCP and CP could easily be differentiated, and seven potential chem. markers were screened for the quality control of CRP. This study illuminated the volatile profile in CRP, and provides a practical method for the authentication of CRP varieties. The experimental process involved the reaction of Methyl N-Methylanthranilate(cas: 85-91-6).Synthetic Route of 85-91-6

The Article related to citrus pericarpium volatile compound gas chromatog mass spectrometry, citri reticulatae pericarpium, hs-spme-gc-ms, multivariate statistical analyses, volatile compounds, Food and Feed Chemistry: Fruits, Vegetables, Legumes, and Nuts and other aspects.Synthetic Route of 85-91-6

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

On October 30, 2022, Lan, Tian; Wang, Jiaqi; Yuan, Quyu; Lei, Yushan; Peng, Wen; Zhang, Min; Li, Xinyi; Sun, Xiangyu; Ma, Tingting published an article.HPLC of Formula: 123-25-1 The title of the article was Evaluation of the color and aroma characteristics of commercially available Chinese kiwi wines via intelligent sensory technologies and gas chromatography-mass spectrometry. And the article contained the following:

As a deeply processing product of kiwifruit, kiwifruit wine (KW) has also shown promising com. development prospects. In this study, the color and aroma characteristics of 14 com. available KW were evaluated using intelligent sensory technologies (electronic nose (E-nose) and colorimeter) and gas chromatog.-mass spectrometry (GC-MS). Different types of KW had similar color trends, namely, yellow-green or yellow; however, individual samples showed a bright green color and had a high transparency. E-nose and GC-MS reached a relatively consistent conclusion that fermented wine and Lu Jiu were closer and significantly differed from those of distilled wine and beer. A total of 215 volatile organic compounds were identified in all KW. 50 key odor-active compounds were identified, of which Et caprylate, which had high OAVs in all samples (30-565.17), was considered the key odor-active compound of KW; likewise, damascenone also made a prominent aroma contribution in the different types of KW. Moreover, β-ionone, Et undecanoate, Et 2-methylvalerate were outstanding in different fermented wines. Acids and terpenoids were prominent in beer. The study could provide a data support and market information for the quality control, research, production and development of KW. The experimental process involved the reaction of Diethyl succinate(cas: 123-25-1).HPLC of Formula: 123-25-1

The Article related to chinese kiwi wine color aroma gas chromatog mass spectrometry, aroma, color, commercial kiwi wine, gc–ms, intelligent sensory technologies, sensory property, Food and Feed Chemistry: Fruits, Vegetables, Legumes, and Nuts and other aspects.HPLC of Formula: 123-25-1

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

On January 31, 2021, Gutierrez-Gamboa, Gaston; Garde-Cerdan, Teresa; Rubio-Breton, Pilar; Perez-Alvarez, Eva P. published an article.Electric Literature of 123-25-1 The title of the article was Effects on must and wine volatile composition after biostimulation with a brown alga to Tempranillo grapevines in two seasons. And the article contained the following:

Seaweed application has been defined as a novel technique capable of improving the content of secondary metabolites in berries. There is limited available information about its effects on must and wine volatile composition This field trial aimed to study the effects of biostimulation to Tempranillo grapevines through an Ascophyllum nodosum fertilizer applied at a low dosage (Ld) and high dosage (Hd) on must and wine volatile compounds over two seasons. Ld treatment scarcely affected must and wine volatile compounds in both seasons. Hd foliar application increased the content in musts of several individual terpenoids, C13 norisoprenoids, esters, benzenoids, alcs., carbonyl compounds and C6 compounds in 2018. Must yeast assimilable nitrogen conditioned the production of wine volatile compounds These results suggest that seaweeds applications can act as elicitors in Tempranillo, triggering the synthesis of several compounds by the plant in musts during a season with a high rainfall and relative humidity. 2020 Society of Chem. Industry. The experimental process involved the reaction of Diethyl succinate(cas: 123-25-1).Electric Literature of 123-25-1

The Article related to wine volatile composition biostimulation alga tempranillo grapevines season, aroma, foliar application, macroalgae, seaweeds, volatile compounds, Food and Feed Chemistry: Fruits, Vegetables, Legumes, and Nuts and other aspects.Electric Literature of 123-25-1

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

Masumoto, Eiichi; Nagabuchi, Hayate; Kashige, Nobuhiro; Okabe-Nakahara, Fumi; Miake, Fumio; Yamagata, Kenji; Maruoka, Hiroshi published an article in 2019, the title of the article was Synthesis and DNA cleavage activity of novel spiro-[cyclobutathiazole-4,4′-pyrazole] derivatives.Product Details of 707-07-3 And the article contains the following content:

A facile and efficient synthesis of novel spiro pyrazole derivatives containing cyclobutathiazole moiety was described. The key substrate pyrazole-thiazolidine derivative as the building block for bis-heterocycles was formed via a Knoevenagel-type condensation of thiazolidinedione with pyrazol-3-one. Thermal treatment of the pyrazole-thiazolidine derivative with orthoesters in refluxing toluene caused an C-attack nucleophilic substitution, followed by an intramol. cyclization/elimination sequence, giving the corresponding spiro[cyclobutathiazole-4,4′-pyrazole] derivatives All the synthesized compounds were characterized by spectroscopic anal. and were tested for their DNA cleavage activity in-vitro. The experimental process involved the reaction of (Trimethoxymethyl)benzene(cas: 707-07-3).Product Details of 707-07-3

The Article related to pyrazolylidene thiazolidinone preparation dna cleavage activity, spiro cyclobutathiazole pyrazole preparation dna cleavage activity, Heterocyclic Compounds (More Than One Hetero Atom): Imidazoles and other aspects.Product Details of 707-07-3

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

On September 30, 2022, Wang, Chunxiao; Liang, Shuying; Yang, Jinxian; Wu, Cheng; Qiu, Shuyi published an article.Related Products of 123-25-1 The title of the article was The impact of indigenous Saccharomyces cerevisiae and Schizosaccharomyces japonicus on typicality of crystal grape (Niagara) wine. And the article contained the following:

Schizosaccharomyces japonicus have been found as dominant yeast species coexisting with Saccharomyces cerevisiae during late stages of spontaneous fermentation of local grapes in Guizhou, China. Therefore, this study further investigated the impacts of the two indigenous yeast species on typicality of crystal grape (Niagara) wine. Five indigenous and one com. S. cerevisiae strains were firstly selected based on their genotypes and fermentation traits in synthetic medium. All the six S. cerevisiae exhibited high tolerance to glucose, temperature, and SO2. The two killer active strains FBKL2.996 and FBKL2.9126 showed relative higher tolerance capacity of ethanol, pH and osmotic pressure than the other four S. cerevisiae strains. Further pure fermentation of six strains using crystal grape must exhibited different contents of volatile compounds, with com. strain CECA producing the highest levels of acetate esters (phenethyl acetate), Et esters (Et caprylate, Et hexanoate), n-caprylic acid iso-Bu ester, and terpenes (linalool) whereas being ranked the last in the sensory anal. The co-inoculation of indigenous S. japonicus with each of the six S. cerevisiae strains increased the acetate esters (mainly isoamyl acetate) by 2-3 times in crystal grape wine. The indigenous S. cerevisiae FBKL2.9128 showed the most obvious variation of volatile compounds between pure and mixed fermentation, exhibiting the significant increase of isoamyl acetate, Et decanoate, Et caprylate, Et hexanoate, Me decanoate, and dodecanal when co-inoculated with S. japonicus. Sugar addition in immature crystal grape juice increased the ethanol, glycerol, and some volatile compounds such as Et butyrate, but decreased the volatile compounds with floral and animal odors. The aroma sensory anal. confirmed the decrease of varietal aroma in wines with sugar addition when comparing with wines made from immature crystal grape. The results of this study provide basic information on the impact of indigenous S. cerevisaie and S. japonicus, and sugar addition on typicality of crystal grape wine, which would help to improve the wine flavor made from crystal grape in southwest China. The experimental process involved the reaction of Diethyl succinate(cas: 123-25-1).Related Products of 123-25-1

The Article related to saccharomyces cerevisiae schizosaccharomyces japonicus niagara wine, acetate esters, killer, maturity, sugar, tolerance, wine yeast, Food and Feed Chemistry: Fruits, Vegetables, Legumes, and Nuts and other aspects.Related Products of 123-25-1

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

On October 10, 2013, Ahn, Kay; Boehm, Markus; Cabral, Shawn; Carpino, Philip A.; Futatsugi, Kentaro; Hepworth, David; Kung, Daniel W.; Orr, Suvi; Wang, Jian published a patent.Electric Literature of 142327-44-4 The title of the patent was Preparation of pyrrolidinylimidazopyridinylpiperidinylmethanone derivatives and analogs for use as diacylglycerol acyltransferase 2 inhibitors. And the patent contained the following:

Title compounds I [A = CH2, O, S, etc.; B = bond, CH2, oxetanyl, (un)substituted cyclopropyl, etc.; C and D independently = N, CH, CF, or C(CH3), wherein only one is N; R1 = (un)substituted C(O)heterocyclyl, C(O)NH2, or heteroaryl; R2 = (un)substituted alkyl, alkoxy, cycloalkyl, aryl, etc.; R3 = OH, F, (un)substituted alkyl, or cycloalkyl; n = 0 to 2], and their pharmaceutically acceptable salts, are prepared and disclosed as diacylglycerol acyltransferase 2 (DGAT2) inhibitors. Thus, e.g., II was prepared by a multistep procedure (preparation given). Select I were evaluated in DGAT2 inhibition assays, e.g., II demonstrated an IC50 value of 1.7 nM. The experimental process involved the reaction of Methyl 2-(3-formylphenyl)acetate(cas: 142327-44-4).Electric Literature of 142327-44-4

The Article related to imidazopyridinylpiperidinylmethanone pyrrolidinyl derivative preparation diacylglycerol acyltransferase dgat2 inhibitor, Heterocyclic Compounds (More Than One Hetero Atom): Imidazoles and other aspects.Electric Literature of 142327-44-4

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