Month: October 2022

《Synthesis and antioxidant properties of some new thiazolyl coumarin derivatives》 was published in Green Chemistry Letters and Reviews in 2020. These research results belong to Bensalah, Donia; Mnasri, Aziza; Chakchouk-Mtibaa, A.; Mansour, Lamjed; Mellouli, L.; Hamdi, Naceur. COA of Formula: C7H6O2 The article mentions the following:

A three-component one-pot synthesis of new thiazolyl coumarins I (R = Ph, 4-O2NC6H4, 3-HOC6H4, etc.) was carried out by condensing 3-acetyl-4-hydroxycoumarin, benzaldehydes RCHO, thiourea and ammonium acetate at reflux in di-Me carbonate. The optimization details of the developed novel protocol are described. In addition, these compounds were also synthesized via another route in two steps. High atom-economy, excellent yields, simple procedure and mild reaction conditions are the important features of this one-pot protocol. The chem. structures of the newly synthesized compounds I were elucidated using IR, 1H NMR, 13C NMR spectroscopy. All the compounds I were screened for their antioxidant activities.3-Hydroxybenzaldehyde(cas: 100-83-4COA of Formula: C7H6O2) was used in this study.

3-Hydroxybenzaldehyde(cas: 100-83-4) can be used as a reactant along with ethyl acetoacetate and thiourea in the synthesis of corresponding dihydropyrimidine-2-thione (monastrol), using Yb(OTf)3 as a catalyst by Biginelli cyclocondensation reaction.COA of Formula: C7H6O2

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《Synthesis of 1,3-Bis-(boryl)alkanes through Boronic Ester Induced Consecutive Double 1,2-Migration》 was published in Angewandte Chemie, International Edition in 2020. These research results belong to You, Cai; Studer, Armido. HPLC of Formula: 78782-17-9 The article mentions the following:

A general and efficient approach for the preparation of 1,3-bis(boryl)alkanes is introduced. It is shown that readily generated vinylboron ate complexes react with com. available ICH2Bpin to valuable 1,3-bis-(boryl)alkanes. The introduced transformation, which is exptl. easy to conduct, shows broad substrate scope and high functional-group tolerance. Mechanistic studies reveal that the reaction does not proceed via radical intermediates. Instead, an unprecedented boronic ester induced sequential bis-1,2-migration cascade is suggested. The results came from multiple reactions, including the reaction of Bis[(pinacolato)boryl]methane(cas: 78782-17-9HPLC of Formula: 78782-17-9)

Bis[(pinacolato)boryl]methane(cas: 78782-17-9) belongs to organoboron compounds. Organoboron compounds are versatile intermediates and as such are some of the most important classes of reagents in modern organic chemistry. This stems from their ease of preparation combined with their ability to undergo a broad range of chemical transformations.HPLC of Formula: 78782-17-9

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Alcohol – Wikipedia,
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《Core-crosslinked nanomicelles based on crosslinkable prodrug and surfactants for reduction responsive delivery of camptothecin and improved anticancer efficacy》 was published in European Journal of Pharmaceutical Sciences in 2020. These research results belong to He, Wei; Du, Yawei; Zhou, Wenya; Wang, Tao; Li, Man; Li, Xinsong. Recommanded Product: 2-Aminopropane-1,3-diol The article mentions the following:

As an important DNA topoisomerase I inhibitor in oncotherapy, camptothecin (CPT) with traditional formulation only shows a limited clin. application mainly because of its poor solubility In this study, a novel redox responsive nanoscaled delivery system was developed to overcome the inherent defect of CPT. Firstly, a CPT prodrug (CPT-LA) and two crosslinkable surfactants (SO-LA and MPEG-LA) was synthesized, all of which contained the same lipoic acid (LA) structure. In the preparation, highly core-crosslinked structure was formed by adding a thiol crosslinker, which can induce LA ring opening polymerization and disulfide crosslinking. The resulting CPT-LA core-crosslinked nanomicelles (CPT-LA CNM) were formulated with a highly crosslinked core and a PEG hydrophilic shell. Dynamic light scattering (DLS) characterization indicated that CPT-LA CNM possessed a narrow size distribution (184.6 ± 3.6 nm) and neg. charged zeta potential (-3.5 ± 1.2 mV). The storage and physiol. stabilities showed that the size distribution of CPT-LA CNM was relatively stable in both conditions which were neutral PBS at 4°C (1 wk period) and PBS containing 10% serum at 37°C (24 h period). Moreover, the effective CPT release behavior of CPT-LA CNM was confirmed in the reducing circumstances containing dithiothreitol (DTT). Under confocal laser scanning microscopy (CLSM), CPT-LA CNM demonstrated a rapid cellular uptake behavior against cancer cells when compared to CPT suspension. Finally, the enhanced anticancer efficacy of CPT-LA CNM was also detected by in vitro cytotoxicity and cell apoptosis assay. In summary, the core-crosslinked CPT-LA CNM could be a promising CPT delivery system because of high stability, effectively controlled release as well as improved anticancer activity. In addition to this study using 2-Aminopropane-1,3-diol, there are many other studies that have used 2-Aminopropane-1,3-diol(cas: 534-03-2Recommanded Product: 2-Aminopropane-1,3-diol) was used in this study.

2-Aminopropane-1,3-diol(cas: 534-03-2) belongs to anime. Reaction with nitrous acid (HNO2), which functions as an acylating agent that is a source of the nitrosyl group (―NO), converts aliphatic primary amines to nitrogen and mixtures of alkenes and alcohols corresponding to the alkyl group in a complex process. This reaction has been used for analytical determination of primary amino groups in a procedure known as the Van Slyke method.Recommanded Product: 2-Aminopropane-1,3-diol

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《Synthesis of water-soluble polyammonium thiacalix[4]arene derivative and its interaction with calf thymus DNA》 was published in Russian Journal of General Chemistry in 2020. These research results belong to Burilov, V. A.; Mironova, D. A.; Grygoriev, I. A.; Valiyakhmetova, A. M.; Solovieva, S. E.; Antipin, I. S.. Safety of 3-Bromopropan-1-ol The article mentions the following:

Abstract: A water-soluble thiacalix[4]arene derivative containing four diethylenetriamine fragments in 1,3-alternate stereoisomeric form has been obtained for the first time. Using ethidium bromide, it has been found that the macrocycle can interact with calf thymus DNA. The macrocycle has been found to interact with DNA via groove binding. The presence of four diethylenetriamine fragments on the calixarene platform leads to multivalent interactions with DNA, resulting in an increase in the binding constant by two orders of magnitude compared to individual diethylenetriamine. In the experiment, the researchers used 3-Bromopropan-1-ol(cas: 627-18-9Safety of 3-Bromopropan-1-ol)

3-Bromopropan-1-ol(cas: 627-18-9) was used in the synthesis of fluorescent halide-sensitive quinolinium dyes and molten salt-polymers. Furthermore, it was used in the synthesis of chiral, quaternary prolines via cyclization of quaternary amino acids.Safety of 3-Bromopropan-1-ol

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Alcohol – Wikipedia,
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《Discovery of a Gut-Restricted JAK Inhibitor for the Treatment of Inflammatory Bowel Disease》 was written by Leonard, Kristi A.; Madge, Lisa A.; Krawczuk, Paul J.; Wang, Aihua; Kreutter, Kevin D.; Bacani, Genesis M.; Chai, Wenying; Smith, Russell C.; Tichenor, Mark S.; Harris, Michael C.; Malaviya, Ravi; Seierstad, Mark; Johnson, Marguerite E.; Venable, Jennifer D.; Kim, Suzie; Hirst, Gavin C.; Mathur, Ashok S.; Rao, Tadimeti S.; Edwards, James P.; Rizzolio, Michele C.; Koudriakova, Tatiana. Reference of trans-4-Aminocyclohexanol And the article was included in Journal of Medicinal Chemistry in 2020. The article conveys some information:

To identify Janus kinase (JAK) inhibitors that selectively target gastrointestinal tissues with limited systemic exposures, a class of imidazopyrrolopyridines with a range of phys. properties was prepared and evaluated. We identified compounds with low intrinsic permeability and determined a correlation between permeability and physicochem. properties, clogP and tPSA, for a subset of compounds This low intrinsic permeability translated into compounds displaying high colonic exposure and low systemic exposure after oral dosing at 25 mg/kg in mouse. In a mouse PK/PD model, oral dosing of lead compound 2 demonstrated dose-dependent inhibition of pSTAT phosphorylation in colonic explants post-oral dose but low systemic exposure and no measurable systemic pharmacodynamic activity. We thus demonstrate the utility of JAK inhibitors with low intrinsic permeability as a feasible approach to develop gut-restricted, pharmacol. active mols. with a potential advantage over systemically available compounds that are limited by systemic on-target adverse events. The results came from multiple reactions, including the reaction of trans-4-Aminocyclohexanol(cas: 27489-62-9Reference of trans-4-Aminocyclohexanol)

trans-4-Aminocyclohexanol(cas: 27489-62-9) belongs to anime. Milder oxidation, using reagents such as NaOCl, can remove four hydrogen atoms from primary amines of the type RCH2NH2 to form nitriles (R―C≡N), and oxidation with reagents such as MnO2 can remove two hydrogen atoms from secondary amines (R2CH―NHR′) to form imines (R2C=NR′). Tertiary amines can be oxidized to enamines (R2C=CHNR2) by a variety of reagents.Reference of trans-4-Aminocyclohexanol

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Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Guo, Lin; Dutton, Oliver J.; Kucukdisli, Murat; Davy, Matthew; Wagnieres, Olivier; Butts, Craig P.; Myers, Eddie L.; Aggarwal, Varinder K. published their research in Journal of the American Chemical Society in 2021. The article was titled 《Conformationally Controlled Linear and Helical Hydrocarbons Bearing Extended Side Chains》.Synthetic Route of C13H26B2O4 The article contains the following contents:

Conformationally controlled flexible mols. are ideal for applications in medicine and materials, where shape matters but an ability to adapt to multiple and changing environments is often required. The conformation of flexible hydrocarbon chains bearing contiguous Me substituents is controlled through the avoidance of syn-pentane interactions: alternating syn-anti isomers adopt a linear conformation while all-syn isomers adopt a helical conformation. From a simple diamond lattice anal., larger substituents, which would be required for most potential applications, result in significant and unavoidable syn-pentane interactions, suggesting substantially reduced conformational control. Through a combination of computation, synthesis, and NMR anal., we have identified a selection of substitution patterns that allow large groups to be incorporated on conformationally controlled linear and helical hydrocarbon chains. Surprisingly, when the Me substituents of alternating syn-anti hydrocarbons are replaced with acetoxyethyl groups, the main chain of almost 95% of the population of mols. adopt a linear conformation. Here, the side chains adopt nonideal eclipsed conformations with the main chain, thus minimizing syn-pentane interactions. In the case of all-syn hydrocarbons, concurrent removal of some Me groups on the main chain adjacent to the large substituents is required to maintain a high population of mols. adopting a helical conformation. This information can now be used to design flexible hydrocarbon chains displaying functional groups in a defined relative orientation for multivalent binding or cooperative reactivity, for example, in targeting the interfaces defined by disease-relevant protein-protein interactions. The results came from multiple reactions, including the reaction of Bis[(pinacolato)boryl]methane(cas: 78782-17-9Synthetic Route of C13H26B2O4)

Bis[(pinacolato)boryl]methane(cas: 78782-17-9) belongs to organoboron compounds.Synthetic Route of C13H26B2O4 Organoboron compounds are versatile intermediates and as such are some of the most important classes of reagents in modern organic chemistry. This stems from their ease of preparation combined with their ability to undergo a broad range of chemical transformations.

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Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Akbarpour, Tahereh; Khazaei, Ardeshir; Yousefi Seyf, Jaber; Sarmasti, Negin published their research in Applied Organometallic Chemistry in 2021. The article was titled 《Synthesis of 1-aminoalkyl-2-naphthol derivatives using an engineered copper-based nanomagnetic catalyst (Fe3O4@CQD@Si(OEt)(CH2)3NH@CC@N3@phenylacetylene@Cu)》.Application In Synthesis of 3-Hydroxybenzaldehyde The article contains the following contents:

In the present study, a mol. level engineered-based method was used to synthesize a copper-based nanomagnetic catalyst (Fe3O4@CQD@Si(OEt)(CH2)3NH@CC@N3@phenylacetylene@Cu). The as-synthesized catalyst was characterized using different techniques, including IR, X-ray powder diffraction (XRD), field emission SEM (FESEM), transmission electron microscopy (TEM), energy-dispersive X-ray spectroscopy (EDX), EDX elemental mapping, induced coupled plasma (ICP), thermal gravimetric anal. (TGA), DTA, and a vibrating sample magnetometer (VSM). The Fe3O4 nanoparticles surface was protected using carbon quantum dots (CQDs) instead of conventional SiO2. The activity of the as-synthesized catalyst was evaluated in the synthesis of 1-aminoalkyl-2-naphthols derivatives, e.g., I. The solvent-free condition has short reaction time and high reaction yield, 87.5% after five cycles. How the reaction was triggered by the catalyst was determined by IR. Strong evidence was provided for the stability of the as-synthesized novel copper-based heterogeneous magnetic nanocatalyst. The effect of temperature and the amount of the catalyst (optimal reaction conditions) were determined using a systematic approach, namely, the design of experiment (DOE). The results came from multiple reactions, including the reaction of 3-Hydroxybenzaldehyde(cas: 100-83-4Application In Synthesis of 3-Hydroxybenzaldehyde)

3-Hydroxybenzaldehyde(cas: 100-83-4) can be used as a reactant along with ethyl acetoacetate and thiourea in the synthesis of corresponding dihydropyrimidine-2-thione (monastrol), using Yb(OTf)3 as a catalyst by Biginelli cyclocondensation reaction.Application In Synthesis of 3-Hydroxybenzaldehyde

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Alcohol – Wikipedia,
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Li, Xiao-Qiang; Duan, Guo-Yi; Chen, Jun-Wu; Han, Li-Jun; Zhang, Suo-Jiang; Xu, Bao-Hua published their research in Applied Catalysis, B: Environmental in 2021. The article was titled 《Regulating electrochemical CO2RR selectivity at industrial current densities by structuring copper/poly(ionic liquid) interface》.Application In Synthesis of 2,6-Pyridinedimethanol The article contains the following contents:

Ionic liquid-based electrocatalytic CO2 reduction faces the challenge of achieving high selectivity toward value-added C2+ products at high reaction rate (≥ 100 mA cm-2). Herein, novel copper@poly(ionic liquid) (Cu@PIL) hybrids demonstrate multi-electron reduction (> 2e-) with current densities ≥ 300 mA cm-2. Remarkably, Cu@PIL with F- anion exhibits high C2+ faradaic efficiency of 58 % with a high partial c.d. of 174 mA cm-2. Further, a highest C2+ partial c.d. of 233 mA cm-2 was also achieved. Exptl. combined theor. investigations reveal that the “”individual”” ionic pairs in the outer PIL layer enrich local CO2 concentration, thereby promoting the CO2 supply. Besides, an interfacial elec. field is induced by the unbonded imidazolium moieties at Cu-PIL interface, which stabilize intermediates. Anions, differing in the electron-donating number to the imidazolium moieties, influence both the enrichment of CO2 and the stabilization of intermediates, thus regulating c.d. and product selectivity.2,6-Pyridinedimethanol(cas: 1195-59-1Application In Synthesis of 2,6-Pyridinedimethanol) was used in this study.

2,6-Pyridinedimethanol(cas: 1195-59-1) belongs to pyridine. Pyridines are often used as catalysts or reagents; particular notice has been paid recently to how pyridine coordinates to metal centers enabling a wide range of valuable reactions. Application In Synthesis of 2,6-Pyridinedimethanol

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Chen, Ling; Bisoyi, Hari Krishna; Huang, Yinliang; Huang, Shuai; Wang, Meng; Yang, Hong; Li, Quan published their research in Angewandte Chemie, International Edition in 2021. The article was titled 《Healable and Rearrangeable Networks of Liquid Crystal Elastomers Enabled by Diselenide Bonds》.Computed Properties of C3H7BrO The article contains the following contents:

Based on liquid crystal elastomer (LCE) materials, hierarchically structured soft actuators can meet some requirements for human-friendly working mode and execute complex tasks with intelligent adaptation to environmental changes. However, few researchers have paid much attention to the preparation methods of multicomponent/hierarchical LCE actuators. The authors demonstrate the successful integration of an exchangeable diselenide chain extender for the preparation of dynamic LCEs, which could be reprogrammed on heating or under visible light illumination. Also, the rearrangeable polydiselenide networks could be applied to develop the self-welding technol. toward fabricating hierarchically structured LCE actuators with sophisticated deformability without using any auxiliary reagent (adhesive, tape, catalysts or initiator) during the assembling process. In the part of experimental materials, we found many familiar compounds, such as 3-Bromopropan-1-ol(cas: 627-18-9Computed Properties of C3H7BrO)

3-Bromopropan-1-ol(cas: 627-18-9) was used in the synthesis of fluorescent halide-sensitive quinolinium dyes and molten salt-polymers. Furthermore, it was used in the synthesis of chiral, quaternary prolines via cyclization of quaternary amino acids.Computed Properties of C3H7BrO

Referemce:
Alcohol – Wikipedia,
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Olyaei, Abolfazl; Adl, Alireza; Vessally, Esmail published an article in 2021. The article was titled 《An efficient one-pot synthesis of novel 6-hydroxy-14-aryl-8H-dibenzo[a,i]xanthene-8,13(14H)-diones derived from lawsone》, and you may find the article in Research on Chemical Intermediates.Related Products of 100-83-4 The information in the text is summarized as follows:

An efficient and convenient procedure for the synthesis of novel 6-hydroxy-14-aryl-8H-dibenzo[a,i]xanthene-8,13(14H)-dione derivatives was developed by one-pot, three-component condensation reaction between 2-hydroxynaphthalene-1,4-dione, aromatic aldehydes and 2,3-naphthalenediol in glacial acetic acid under reflux conditions. This domino reaction implies Knoevenagel condensation, Michael addition, intramol. cyclization and dehydration. This reaction avoided tedious workup procedure due to the direct precipitation of products from the reaction medium. The notable features of this domino transformation were operational simplicity, clean reaction, easy handling, easy purification process and high yields of the products. In the part of experimental materials, we found many familiar compounds, such as 3-Hydroxybenzaldehyde(cas: 100-83-4Related Products of 100-83-4)

3-Hydroxybenzaldehyde(cas: 100-83-4) can be used as a reactant along with ethyl acetoacetate and thiourea in the synthesis of corresponding dihydropyrimidine-2-thione (monastrol), using Yb(OTf)3 as a catalyst by Biginelli cyclocondensation reaction.Related Products of 100-83-4

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Alcohol – Wikipedia,
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