Month: November 2022

On December 31, 1996, Molina, Pedro; Conesa, Carlota; Desamparados Velasco, M. published an article.COA of Formula: C18H17NO4 The title of the article was Iminophosphorane-mediated synthesis of 2-aminoimidazole derivatives. And the article contained the following:

A 1-pot synthesis of 4-substituted 2-aminoimidazoles based on the aza-Wittig reaction of 2-amino-3-azidoacrylates with isocyanates is described. The experimental process involved the reaction of Benzyl 2-(((benzyloxy)carbonyl)amino)acrylate(cas: 59524-07-1).COA of Formula: C18H17NO4

The Article related to aminoimidazole preparation, imidazole amino preparation, aminoazidoacrylate isocyanate aza wittig, Heterocyclic Compounds (More Than One Hetero Atom): Imidazoles and other aspects.COA of Formula: C18H17NO4

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

On April 27, 2000, Almansa, Carmen; Gonzalez, Concepcion; Torres, M<Safety of Ethyl 3-fluoro-4-methylbenzoate The title of the patent was Novel imidazoles with anti-inflammatory activity and their preparation and use. And the patent contained the following:

Title compounds I are disclosed [wherein one of X or Y = N; other = C; R1 = H, Me, halo, cyano, NO2, CHO, COCH3 or COOR4; R2 = (un)substituted aryl or heteroaryl; R3 = C1-8 alkyl, C1-8 haloalkyl, or NR4R6; R4 = H, C1-8 alkyl, or (un)substituted aryl(alkyl); R6 = H, C1-8 alkyl, arylalkyl, COR8, or CO2R8; R8 = C1-8 alkyl or C1-8 haloalkyl; aryl = Ph or naphthyl; heteroaryl = pyridyl, pyrazinyl, pyrimidinyl, or pyridazinyl, optionally fused to a benzene ring]. The compounds are useful as selective inhibitors of cyclooxygenase-2 (COX-2), and particularly as antiinflammatories. Claimed uses include treatment of inflammation, pain, fever, prostanoid-induced smooth muscle contraction, dysmenorrhea, premature labor, asthma, bronchitis, cancer (especially gastrointestinal or colon), cerebral infarct, epilepsy, or neurodegenerative diseases such as Alzheimer’s disease or dementia. For instance, 4-(MeSO2)C6H4NH2 was condensed with 4-FC6H4CHO under Dean-Stark conditions, and the resulting imine was cyclized with tosylmethyl isocyanide (75%), followed by imidazole ring chlorination with N-chlorosuccinimide (80%), to give the invention compound II. This compound gave 89% inhibition of COX-2 at 1 μM in vitro, but only 37.8% inhibition of COX-1 at 10 μM. The experimental process involved the reaction of Ethyl 3-fluoro-4-methylbenzoate(cas: 86239-00-1).Safety of Ethyl 3-fluoro-4-methylbenzoate

The Article related to imidazole preparation antiinflammatory cox2 inhibitor, cyclooxygenase 2 inhibitor imidazole preparation, Heterocyclic Compounds (More Than One Hetero Atom): Imidazoles and other aspects.Safety of Ethyl 3-fluoro-4-methylbenzoate

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

On October 17, 2019, Yang, Xiaobao; Jiang, Biao; Sun, Renhong; Ren, Chaowei; Sun, Ning; Kong, Ying; Li, Yan; Chen, Jinju; Yin, Qianqian; Song, Xiaoling; Zhao, Quanju; Qiu, Xing published a patent.Formula: C17H26O7S The title of the patent was Protein degradation targeting compound, anti-tumor application, intermediate thereof and use of intermediate. And the patent contained the following:

The compound (e.g., I) has a degrading effect on a specific target protein, and is mainly composed of three parts: the first part is Small Mols. Binding Protein (SMBP); the second part is a linker unit (LIN); and the third part is a Ubiquitin Ligase Binding Moiety (ULM), wherein SMBP and LIN are covalently bound, and LIN is covalently bound to ULM. The compounds designed and synthesized by the present disclosure have a wide pharmacol. activities, have a function of degrading specific proteins and/or inhibiting activities, and can be used for the treatment of associated tumor. The experimental process involved the reaction of tert-Butyl 2-(2-(2-(tosyloxy)ethoxy)ethoxy)acetate(cas: 882518-89-0).Formula: C17H26O7S

The Article related to protein degradation targeting heteroaryl preparation antitumor smbp lin ulm, small mol binding protein smbp linker lin ulm, Heterocyclic Compounds (More Than One Hetero Atom): Diazepines and other aspects.Formula: C17H26O7S

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

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 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

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

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 July 18, 2012, Roosen, Philipp C.; Kallepalli, Venkata A.; Chattopadhyay, Buddhadeb; Singleton, Daniel A.; Maleczka, Robert E.; Smith, Milton R. published an article.Category: esters-buliding-blocks The title of the article was Outer-Sphere Direction in Iridium C-H Borylation. And the article contained the following:

The NHBoc group affords ortho selective C-H borylations in arenes and alkenes. Exptl. and computational studies support an outer sphere mechanism where the N-H proton H bonds to a boryl ligand O. The regioselectivities are unique and complement those of directed ortho metalations. The experimental process involved the reaction of tert-Butyl (4-(trifluoromethyl)phenyl)carbamate(cas: 141940-37-6).Category: esters-buliding-blocks

The Article related to iridium catalyzed borylation arene alkene regiochem, Organometallic and Organometalloidal Compounds: Boron Compounds and other aspects.Category: esters-buliding-blocks

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