Month: October 2022

Zhang, Shanshan; Wang, Zheng; Cao, Qianrong; Yue, Erlin; Liu, Qingbin; Ma, Yanping; Liang, Tongling; Sun, Wen-Hua published the artcile< Aza-crown compounds synthesised by the self-condensation of 2-amino-benzyl alcohol over a pincer ruthenium catalyst and applied in the transfer hydrogenation of ketones>, Quality Control of 5344-90-1, the main research area is aminobenzyl alc pincer ruthenium catalyst self condensation; aza crown compound preparation; alkyl aryl ketone transfer hydrogenation iron catalyst; aralkyl alc preparation.

A well-defined PNN-Ru catalyst was revisited to self-condense 2-aminobenzyl alc. formed a series of novel aza-crown compounds All aza-crown compounds were separated and determined by NMR, IR, and ESI-MS spectroscopy as well as X-ray crystallog., indicated the saddle structure of aza-12-crown-3 and the twisted 1,3-alternate conformation structure of aza-20-crown-5. These aza-crown compounds was explored to study ferric initiation of transfer hydrogenation (TH) of ketones into their corresponding secondary alcs. in the presence of 2-propanol with a basic t-BuOK solution, achieving a high conversion (up to 95%) by a ferric complex with aza-16-crown-4 in a low loading (0.05 mol%).

Dalton Transactions published new progress about Alkyl aryl ketones Role: RCT (Reactant), RACT (Reactant or Reagent). 5344-90-1 belongs to class alcohols-buliding-blocks, and the molecular formula is C7H9NO, Quality Control of 5344-90-1.

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Dudka, Ilona; Thysell, Elin; Lundquist, Kristina; Antti, Henrik; Iglesias-Gato, Diego; Flores-Morales, Amilcar; Bergh, Anders; Wikstroem, Pernilla; Groebner, Gerhard published the artcile< Comprehensive metabolomics analysis of prostate cancer tissue in relation to tumor aggressiveness and TMPRSS2-ERG fusion status>, Category: alcohols-buliding-blocks, the main research area is proteome metabolome TMPRSS2 ERG phosphocholine hypoxanthine prostate cancer progression; 1H HRMAS NMR; Gleason score; Metabolomics; Prostate cancer; TMPRSS2-ERG.

Abstract: Background: Prostate cancer (PC) can display very heterogeneous phenotypes ranging from indolent asymptomatic to aggressive lethal forms. Understanding how these PC subtypes vary in their striving for energy and anabolic mols. is of fundamental importance for developing more effective therapies and diagnostics. Here, we carried out an extensive anal. of prostate tissue samples to reveal metabolic alterations during PC development and disease progression and furthermore between TMPRSS2-ERG rearrangement-pos. and -neg. PC subclasses. Methods: Comprehensive metabolomics anal. of prostate tissue samples was performed by non-destructive high-resolution magic angle spinning NMR (1H HR MAS NMR). Subsequently, samples underwent moderate extraction, leaving tissue morphol. intact for histopathol. characterization. Metabolites in tissue extracts were identified by 1H/31P NMR and liquid chromatog.-mass spectrometry (LC-MS). These metabolomics profiles were analyzed by chemometric tools and the outcome was further validated using proteomic data from a sep. sample cohort. Results: The obtained metabolite patterns significantly differed between PC and benign tissue and between samples with high and low Gleason score (GS). Five key metabolites (phosphocholine, glutamate, hypoxanthine, arginine and α-glucose) were identified, who were sufficient to differentiate between cancer and benign tissue and between high to low GS. In ERG-pos. PC, the anal. revealed several acylcarnitines among the increased metabolites together with decreased levels of proteins involved in β-oxidation; indicating decreased acyl-CoAs oxidation in ERG-pos. tumors. The ERG-pos. group also showed increased levels of metabolites and proteins involved in purine catabolism; a potential sign of increased DNA damage and oxidative stress. Conclusions: Our comprehensive metabolomic anal. strongly indicates that ERG-pos. PC and ERG-neg. PC should be considered as different subtypes of PC; a fact requiring different, sub-type specific treatment strategies for affected patients.

BMC Cancer published new progress about Acylcarnitines Role: BSU (Biological Study, Unclassified), BIOL (Biological Study). 492-62-6 belongs to class alcohols-buliding-blocks, and the molecular formula is C6H12O6, Category: alcohols-buliding-blocks.

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Filardo, Simone; Di Pietro, Marisa; Mastromarino, Paola; Sessa, Rosa published the artcile< Therapeutic potential of resveratrol against emerging respiratory viral infections>, Product Details of C14H12O3, the main research area is review resveratrol respiratory virus infection; Anti-viral mechanisms; Emerging respiratory viruses; Resveratrol.

A review. Resveratrol has been widely studied for its therapeutic potential due to its antioxidant, anti-inflammatory and anti-microbial properties. In particular, resveratrol has shown promising antiviral activity against numerous viruses responsible for severe respiratory infections. Amongst these, influenza virus, respiratory syncytial virus and the emerging SARS-cov-2 are known to cause pneumonia, acute respiratory distress syndrome or multi-organ failure, especially, in vulnerable individuals like immunocompromised patients or the elderly, leading to a considerable economic burden worldwide. In this context, resveratrol may have potential value for its anti-inflammatory activity, since most of the severe virus-associated complications are related to the overactivation of the host-immune response, leading to lung damage. Herein, we present an overview of the antiviral activity and potential mechanisms of resveratrol against the respiratory tract viruses considered as a public threat for their rapid transmission and high morbidity and mortality in the general population.

Pharmacology & Therapeutics published new progress about Drug bioavailability. 501-36-0 belongs to class alcohols-buliding-blocks, and the molecular formula is C14H12O3, Product Details of C14H12O3.

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Cordell, Geoffrey A. published the artcile< 2-Halopyrroles. Synthesis and chemistry>, SDS of cas: 52160-51-7, the main research area is halopyrrole; pyrrole halogenation; benzylbromopyrrole; bromopyrrole benzyl; chloropyrrole benzyl; stability halopyrrole; electrophilic substitution halopyrrole; formylation halopyrrole; diazo coupling halopyrrole.

Following the confirmation that both 2-chloropyrrole (I) and 2-bromopyrrole (II) were unstable species, a number of 1-alkyl and C-alkyl 2-halopyrroles were synthesized to investigate the range of instability. The 1-alkyl 2-halopyrroles synthesized were 2-chloro-1-methylpyrrole (III), 2-bromo-1-methylpyrrole, 1-benzyl-2-chloropyrrole, and 1-benzyl-2-bromopyrrole. The C-alkyl-2-halopyrroles synthesized were 5-chloro-2-methylpyrrole (IV), 2-tert-butyl-5-chloropyrrole, 5-chloro-2,3,4-trimethylpyrrole (V), and 5-bromo-2,3,4-trimethylpyrrole. Also synthesized were the 1-methyl derivatives of IV and V. Electrophilic substitution of I and II under the conditions for formylation and diazo coupling was examined In the case of the latter reaction no crystalline compounds could be isolated, but diazo coupling of III gave rise to exclusive α-substitution. Formylation of I gave the α-substituted derivative but II gave a product arising from the displacement of bromine, 5-chloropyrrole-2-carboxaldehyde, in addition to 5-bromopyrrole-2-carboxaldehyde.

Journal of Organic Chemistry published new progress about Coupling reaction. 52160-51-7 belongs to class alcohols-buliding-blocks, and the molecular formula is C6H9NO, SDS of cas: 52160-51-7.

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Tran, Duc N.; Cramer, Nicolai published the artcile< Biomimetic Synthesis of (+)-Ledene, (+)-Viridiflorol, (-)-Palustrol, (+)-Spathulenol, and Psiguadial A, C, and D via the Platform Terpene (+)-Bicyclogermacrene>, Quality Control of 4396-13-8, the main research area is biomimetic synthesis ledene viridiflorol palustrol spathulenol psiguadial ACD sesquiterpene; bicyclogermacrene enantioselective synthesis; bicyclogermacrene; biomimetic synthesis; cyclization; natural products; terpenes.

(+)-Bicyclogermacrene (I) is a strained bicyclic and common sesquiterpene found in several essential oils. A short and good yielding synthesis of bicyclogermacrene proceeding in seven steps is reported. This terpene is used as key platform intermediate for a biomimetic access to several aromadendrene sesquiterpenoids, such as ledene, viridiflorol, palustrol, and spathulenol. Furthermore, bicyclogermacrene is shown to be the terpene component in the synthesis of the meroterpenoids psiguadial A, C, and D.

Chemistry – A European Journal published new progress about Biomimetic synthesis. 4396-13-8 belongs to class alcohols-buliding-blocks, and the molecular formula is C8H6O5, Quality Control of 4396-13-8.

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Hashemi, Seirana; Razaghi-Moghadam, Zahra; Nikoloski, Zoran published the artcile< Identification of flux trade-offs in metabolic networks>, Recommanded Product: D-Glucosaccharic acid, the main research area is Arabidopsis thaliana flux trade metabolic network.

Trade-offs are inherent to biochem. networks governing diverse cellular functions, from gene expression to metabolism Yet, trade-offs between fluxes of biochem. reactions in a metabolic network have not been formally studied. Here, we introduce the concept of absolute flux trade-offs and devise a constraint-based approach, termed FluTO, to identify and enumerate flux trade-offs in a given genome-scale metabolic network. By employing the metabolic networks of Escherichia coli and Saccharomyces cerevisiae, we demonstrate that the flux trade-offs are specific to carbon sources provided but that reactions involved in the cofactor and prosthetic group biosynthesis are present in trade-offs across all carbon sources supporting growth. We also show that absolute flux trade-offs depend on the biomass reaction used to model the growth of Arabidopsis thaliana under different carbon and nitrogen conditions. The identified flux trade-offs reflect the tight coupling between nitrogen, carbon, and sulfur metabolisms in leaves of C3 plants. Altogether, FluTO provides the means to explore the space of alternative metabolic routes reflecting the constraints imposed by inherent flux trade-offs in large-scale metabolic networks.

Scientific Reports published new progress about Arabidopsis thaliana. 87-73-0 belongs to class alcohols-buliding-blocks, and the molecular formula is C6H10O8, Recommanded Product: D-Glucosaccharic acid.

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Ghorbani-Choghamarani, Arash; Sahraei, Rokhsareh; Taherinia, Zahra; Mohammadi, Masoud published the artcile< Cu(I)@Isatin-Glycine-Boehmite nanoparticles: as novel heterogeneous catalyst for the synthesis and selective oxidation of sulfides>, Application of C8H10OS, the main research area is copper immobilized modified boehmite nanoparticle preparation thermal stability; haloarene thiourea copper nanocatalyst cross coupling reaction green chem; diaryl sulfide preparation; thioether hydrogen peroxide copper nanocatalyst oxidation green chem; sulfoxide preparation.

This work presented the synthesis of Cu (I) immobilized on modified boehmite nanoparticles as an environmentally friendly heterogeneous catalyst for the synthesis of sulfides and their oxidation to the corresponding sulfoxides in good to excellent yields. The structure of the catalyst was studied by SEM, X-ray diffraction, thermogravimetric, inductively coupled plasma at. emission spectroscopy, and Brunauer-Emmett-Teller techniques. The use of this heterogeneous nanocatalyst in mentioned organic reactions allowed achieving good results such as the excellent stability, high efficiency, low cost, easy recovery, and reusability of catalyst for four continuous cycles.

Journal of the Iranian Chemical Society published new progress about Cross-coupling reaction. 699-12-7 belongs to class alcohols-buliding-blocks, and the molecular formula is C8H10OS, Application of C8H10OS.

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Takeuchi, Hironori; Fujimori, Yusuke; Ueda, Yoshihiro; Shibayama, Hiromitsu; Nagaishi, Masaru; Yoshimura, Tomoyuki; Sasamori, Takahiro; Tokitoh, Norihiro; Furuta, Takumi; Kawabata, Takeo published the artcile< Solvent-Dependent Mechanism and Stereochemistry of Mitsunobu Glycosylation with Unprotected Pyranoses>, Application of C6H12O6, the main research area is unprotected pyranose stereoselective Mitsunobu glycosylation mechanism solvent effect.

An SN2 mechanism was proposed for highly stereoselective glycosylation of benzoic acid with unprotected α-D-glucose under Mitsunobu conditions in dioxane, while an SN1 mechanism was indicated for nonstereoselective glycosylation in DMF. The SN2-type stereoselective Mitsunobu glycosylation is generally applicable to various unprotected pyranoses as glycosyl donors in combination with a wide range of acidic glycosyl acceptors such as carboxylic acids, phenols, and imides, retaining its high stereoselectivity (33 examples). Glycosylation of a carboxylic acid with unprotected α-D-mannose proceeded also in an SN2 manner to directly afford a usually less accessible 1,2-cis-mannoside. One- or two-step total syntheses of five simple natural glycosides were performed using the glycosylation strategy presented here using unprotected α-D-glucose.

Organic Letters published new progress about Absolute configuration. 492-62-6 belongs to class alcohols-buliding-blocks, and the molecular formula is C6H12O6, Application of C6H12O6.

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Speck, Ulrich; Siefert, Hans Martin; Klink, Gunter published the artcile< Contrast media and pain in peripheral arteriography>, Application of C7H18ClNO5, the main research area is contrast media pain arteriog.

Pain caused by x-ray contrast media in peripheral arteriog. was assessed by behavioral changes of nonanesthetized, unrestrained rats. All ionic monomeric contrast media caused severe pain in a concentration of 300 mg I/mL. Dilution of contrast media markedly reduced pain. Solutions containing Na salts were considerably more painful than solutions with meglumine salts. The i.v. cholangiog. agent meglumine iodipamide [3521-84-4] did not cause vascular pain in a concentration of 300 mg I/mL, although its systemic toxicity was high. Pain in arteriog. was attributable primarily to the high osmotic pressure of contrast media solutions rather than to their chemotoxicity.

Investigative Radiology published new progress about Artery. 35564-86-4 belongs to class alcohols-buliding-blocks, and the molecular formula is C7H18ClNO5, Application of C7H18ClNO5.

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Li, Jian; Li, Hui; Fang, Daqing; Liu, Lingjun; Han, Xu; Sun, Jina; Li, Chunpu; Zhou, Yu; Ye, Deju; Liu, Hong published the artcile< Sulfoximines Assisted Rh(III)-Catalyzed C-H Activation/Annulation Cascade to Synthesize Highly Fused Indeno-1,2-benzothiazines>, Product Details of C8H10OS, the main research area is fused tetracyclic indeno benzothiazine preparation; sulfoximide diazo indandione carbon hydrogen activation intramol annulation cascade.

A facile access to highly fused tetracyclic indeno-1,2-benzothiazines has been established via a Rh(III)-catalyzed C-H bond activation and intramol. annulation cascade between sulfoximides and all-carbon diazo indandiones. This strategy is characterized by the fact that the diazo coupling partners do not require preactivation, along with its high efficiency, broad substrate generality, and facile transformation. Particularly, the highly conjugated tetracyclic products demonstrate good optical properties and can easily enter cells to emit bright fluorescence for live cell imaging.

Journal of Organic Chemistry published new progress about Benzothiazines Role: SPN (Synthetic Preparation), PREP (Preparation). 699-12-7 belongs to class alcohols-buliding-blocks, and the molecular formula is C8H10OS, Product Details of C8H10OS.

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts