Category: 86-51-1

Qian, Jianqiang published the artcileDesign and synthesis of benzylidenecyclohexenones as TrxR inhibitors displaying high anticancer activity and inducing ROS, apoptosis, and autophagy, Application of 2,3-Dimethoxybenzaldehyde, the main research area is benzylidenecyclohexenone preparation antitumor apoptosis autophagy thioredoxin reductase inhibitor; trimethoxybenzylidene dihydropyridinone preparation antitumor apoptosis autophagy thioredoxin reductase inhibitor; Antitumor activities; Benzylidenecyclohexenones; Piperlongumine; Reactive oxygen species (ROS); Thioredoxin reductase (TrxR).

Oxidative therapy, a strategy that specifically increases reactive oxygen species (ROS) levels in tumor cells by disrupting the redox homeostasis has gained increasing interest. The antitumor effects of the natural product piperlongumine (PL) appear to result from its ability to increase intracellular ROS levels via inhibition of antioxidative thioredoxin reductase (TrxR). Twenty-seven benzylidenecyclohexenone-based PL analogs (I [R = 3,4,5-trimethoxyphenyl, 1-acetyl-1H-indol-3-yl, 2H-1,3-benzodioxol-5-yl, etc.; R1 = H, I] and II [R2 = H, (benzyloxy)carbonyl, methanesulfonyl, phenylsulfonyl, p-toluenesulfonyl]) were designed, synthesized and evaluated for their pharmacol. properties. Most of the compounds exhibited potent antiproliferative activities against five human cancer cell lines, especially against breast tumor cells. One of the most promising analogs I (R = 4-(trifluoromethoxy)phenyl; R1 = H (III)) showed 12-fold higher inhibitory activity against the thioredoxin reductase (TrxR) than PL and suppressed the expression of TrxR1 protein in breast cancer cells and inhibited TrxR enzymic activity. In addition, III increased ROS levels and resulted in marked apoptosis by regulating apoptosis-related proteins expressed in the breast cancer cells. Compound III also triggered the formation of autophagosomes and autolysosomes by promoting the expression of LC3-II and Beclin-1 and diminishing the expression of LC3-I and p62 proteins. Finally, III displayed low acute toxicity and good inhibitory potency to tumors in mice. Overall, III is a promising anti-breast cancer candidate warranting further investigation.

European Journal of Medicinal Chemistry published new progress about Aldol condensation, stereoselective. 86-51-1 belongs to class isoquinoline, name is 2,3-Dimethoxybenzaldehyde, and the molecular formula is C9H10O3, Application of 2,3-Dimethoxybenzaldehyde.

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Ali, Mahboob published the artcileChalcones: As Potent α-amylase Enzyme Inhibitors; Synthesis, In Vitro, and In Silico Studies, Application In Synthesis of 86-51-1, the main research area is chalcone alpha amylase enzyme inhibitory potential; Chalcones; diabetes mellitus; in vitro; molecular docking.; synthesis; α-amylase enzyme inhibition.

The inhibition of α-amylase enzyme is one of the best therapeutic approach for the management of type II diabetes mellitus. Chalcone possesses a wide range of biol. activities. In the current study chalcone derivatives (1-16) were synthesized and evaluated their inhibitory potential against α-amylase enzyme. For that purpose, a library of substituted (E)-1-(naphthalene-2-yl)-3-phenylprop-2-en-1-ones was synthesized by Claisen-Schmidt condensation reaction of 2-acetonaphthanone and substituted aryl benzaldehyde in the presence of base and characterized via different spectroscopic techniques such as EI-MS, HRESI-MS, 1H-, and 13C-NMR. Sixteen synthetic chalcones were evaluated for in vitro porcine pancreatic α-amylase inhibition. All the chalcones demonstrated good inhibitory activities in the range of IC50 = 1.25 ± 1.05 to 2.40 ± 0.09 μM as compared to the standard com. drug acarbose (IC50 = 1.34 ± 0.3 μM). Chalcone derivatives (1-16) were synthesized, characterized, and evaluated for their α-amylase inhibition. SAR revealed that electron donating groups in the Ph ring have more influence on enzyme inhibition. However, to insight the participation of different substituents in the chalcones on the binding interactions with the α-amylase enzyme, in silico (computer simulation) mol. modeling analyses were carried out.

Medicinal Chemistry (Sharjah, United Arab Emirates) published new progress about Claisen-Schmidt condensation reaction. 86-51-1 belongs to class isoquinoline, name is 2,3-Dimethoxybenzaldehyde, and the molecular formula is C9H10O3, Application In Synthesis of 86-51-1.

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Chen, Si-Qi published the artcileAldehyde as a Traceless Directing Group for Regioselective C-H Alkylation Catalyzed by Rhodium(III) in Air, Product Details of C9H10O3, the main research area is aromatic aldehyde acrylate regioselective decarbonylative alkylation rhodium catalyst air.

The aromatic aldehyde as a traceless directing group for the regioselective C-H alkylation catalyzed by rhodium(III) under aerobic atm. conditions has been developed. The process involves an aldehyde assisted direct addition of C-H bond to unsaturated electrophiles of acrylates or acrylic acids, and the subsequent decarbonylation. A trace amount of water is found to favor the reaction.

Organic Letters published new progress about Alkylation catalysts, regioselective. 86-51-1 belongs to class isoquinoline, name is 2,3-Dimethoxybenzaldehyde, and the molecular formula is C9H10O3, Product Details of C9H10O3.

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Kovalenko, Oksana P. published the artcileDual-target inhibitors of mycobacterial aminoacyl-tRNA synthetases among N-benzylidene-N′-thiazol-2-yl-hydrazines, Category: isoquinoline, the main research area is benzylidenyl thiazolyl hydrazine preparation; aminoacyltRNA synthetase inhibition tuberculostatics mol docking SAR.

Effective treatment of tuberculosis is challenged by the rapid development of Mycobacterium tuberculosis (Mtb) multidrug resistance that presumably could be overcome with novel multi-target drugs. Aminoacyl-tRNA synthetases (AARSs) are an essential part of protein biosynthesis machinery and attractive targets for drug discovery. Here, we exptl. verify a hypothesis of simultaneous targeting of structurally related AARSs by a single inhibitor. We previously identified a new class of mycobacterial leucyl-tRNA synthetase inhibitors, N-benzylidene-N′-thiazol-2-yl-hydrazines. Mol. docking of a library of novel N-benzylidene-N′-thiazol-2-yl-hydrazine derivatives into active sites of M. tuberculosis LeuRS (MtbLeuRS) and MetRS (MtbMetRS) resulted in a panel of the best ranking compounds, which were then evaluated for enzymic potency. Screening data revealed 11 compounds active against MtbLeuRS and 28 compounds active against MtbMetRS. The hit compounds display dual inhibitory potency as demonstrated by IC50 values for both enzymes. Compound I is active against Mtb H37Rv cells in in vitro bioassays.

MedChemComm published new progress about Aminoacyl-tRNA synthetase inhibitors. 86-51-1 belongs to class isoquinoline, name is 2,3-Dimethoxybenzaldehyde, and the molecular formula is C9H10O3, Category: isoquinoline.

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Wang, Kanghui published the artcileIdentification of Components in Citri Sarcodactylis Fructus from Different Origins via UPLC-Q-Exactive Orbitrap/MS, SDS of cas: 86-51-1, the main research area is citri sarcodactylis fructus foshou.

To systematically analyze the chem. constituents of Citri Sarcodactylis Fructus (CSF) from different origins, an efficient approach based on ultraperformance liquid chromatog. plus Q-Exactive Orbitrap tandem mass spectrometry (UPLC-Q-Exactive Orbitrap/MS) detection for the discrimination of chem. components from of 15 batches of CSF from four main origins was used in this research. Through parent peaks, fragment peaks, fragmentation characteristics, and comparative anal. with the literature and reference standards, a total of 77 components from the methanol extracts including 18 coumarins, 24 flavonoids, seven organic acids, three limonoids, and 25 other compounds were detected and identified. Among them, 15 components have not been reported previously in the CSF. Notably, the stachydrine peak initially showed a higher content in the total ion current chromatogram. Overall, CSF produced in the Zhejiang province contained a richer variety of chem. compositions These observations provided a theor. basis for the further quality assessment and application of CSF.

ACS Omega published new progress about Citrus medica sarcodactylis (dried fruit). 86-51-1 belongs to class isoquinoline, name is 2,3-Dimethoxybenzaldehyde, and the molecular formula is C9H10O3, SDS of cas: 86-51-1.

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Liang, Lixin published the artcileCatalytic Asymmetric Alkynylation of 3,4-Dihydro-β-carbolinium Ions Enables Collective Total Syntheses of Indole Alkaloids, Formula: C9H10O3, the main research area is asym alkynylation carbolinium ion copper catalyst; indole alkaloid stereoselective total synthesis copper catalyst; alkynylation; copper catalysis; indole alkaloids; tetrahydro-β-carbolines; total synthesis.

Chiral tetrahydro-β-carboline (THβC) is not only a prevailing structural feature of many natural alkaloids but also a versatile synthetic precursor for a vast array of monoterpenoid indole alkaloids. Asym. synthesis of C1-alkynyl THβCs remains rarely explored and challenging. Herein, the authors describe the development of two complementary approaches for the catalytic asym. alkynylation of 3,4-dihydro-β-carbolinium ions with up to 96% yield and 99% ee. The utility of chiral C1-alkynyl THβCs was demonstrated by the collective total syntheses of seven indole alkaloids: harmicine, eburnamonine, desethyleburnamonine, larutensine, geissoschizol, geissoschizine, and akuammicine.

Angewandte Chemie, International Edition published new progress about Alkynylation catalysts (stereoselective). 86-51-1 belongs to class isoquinoline, name is 2,3-Dimethoxybenzaldehyde, and the molecular formula is C9H10O3, Formula: C9H10O3.

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Wang, Jian-Ta published the artcileNovel berberine-based derivatives with potent hypoglycemic activity, Related Products of isoquinoline, the main research area is berberine derivative preparation mol docking hypoglycemic diabetes type two; AMP-activated protein kinase; Berberine; Hypoglycemic activity; Synthesis; Type 2 diabetes.

Four series of berberine derivatives were designed and synthesized. All the synthetic compounds were screened for in vitro glucose consumption activity in HepG2 cell lines. The results showed that most of the tested compounds exhibited potent hypoglycemic activity, and the most potent compound I exhibited its potency by 3.23-fold of berberine, 1.39-fold of metformin and 1.20-fold of rosiglitazone, resp. Western blot assay indicated these novel berberine-based derivatives executed their glucose-decreasing activity via the activation of AMPK pathway.

Bioorganic & Medicinal Chemistry Letters published new progress about AMP-activated protein kinase activators. 86-51-1 belongs to class isoquinoline, name is 2,3-Dimethoxybenzaldehyde, and the molecular formula is C9H10O3, Related Products of isoquinoline.

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Li, Xin-Ran published the artcileControllable Tandem [3+2] Cyclization of Aromatic Aldehydes with Maleimides: Rhodium(III)-Catalyzed Divergent Synthesis of Indane-Fused Pyrrolidine-2,5-dione, SDS of cas: 86-51-1, the main research area is indane fused pyrrolidinedione diastereoselective synthesis tandem cyclization aldehyde maleimide.

Controllable rhodium(III)-catalyzed tandem [3+2] cyclization of aromatic aldehydes with maleimides is developed for the divergent synthesis of stereoselective indane-fused pyrrolidine-2,5-dione. Switchable access to different products could be achieved by employing different additives and varying the reaction time. This atom-economic transformation proceeds efficiently via the C-H bond activation directed by weakly coordinating aldehydes and is characterized by exclusive stereoselectivity, air atm., and being free of nitrogen-based transient directing groups.

Organic Letters published new progress about 1,3-Dipolar cycloaddition reaction, stereoselective. 86-51-1 belongs to class isoquinoline, name is 2,3-Dimethoxybenzaldehyde, and the molecular formula is C9H10O3, SDS of cas: 86-51-1.

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Piane, Jacob J. published the artcileSingle-chain polymers as homogeneous oxidative photoredox catalysts, Recommanded Product: 2,3-Dimethoxybenzaldehyde, the main research area is chain folded polymer nanoparticle oxidative photoredox amidation catalyst preparation.

Single-chain polymer nanoparticles (SCNPs) are emerging as versatile catalytic platforms that provide excellent control over solubility The confined nature of SCNPs can improve the rate of catalysis. While significant headway has been made in thermally-induced transition-metal catalysis with SCNPs, light-activated SCNP catalysts have received little attention. We are developing triarylpyrylium tetrafluoroborate (TPT)-functionalized SCNPs as oxidative photocatalysts. Herein, we comprehensively study the impact of light source on both SCNP compaction and TPT absorbance through gel-permeation chromatog. and UV/Vis spectroscopy. We observe that compaction is expedited using light sources that excite the photocatalyst (e.g., blue LEDs), which is attributed to the ability of TPT to dimerize sytrenics under similar photoredox conditions. The resultant metal-free SCNP photocatalysts enable the oxidation of benzyl alcs. in good yields. The SCNP is further investigated for the amidation of 4-bromobenzaldehyde, wherein it affords higher yields of the benzamide product compared to both small-mol. and unfolded polymer controls. We attribute the combined results to the colocalization of the TPT photoredox catalyst and pyrene electron relay within the SCNP, which likely aids in single-electron transfer processes. The scope of amidation reactions was also extended to other aryl aldehydes, wherein deactivated substrates afforded the highest yield of the desired amide.

Journal of Polymer Science (Hoboken, NJ, United States) published new progress about [2+2] Photocycloaddition reaction, intramolecular. 86-51-1 belongs to class isoquinoline, name is 2,3-Dimethoxybenzaldehyde, and the molecular formula is C9H10O3, Recommanded Product: 2,3-Dimethoxybenzaldehyde.

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Wang, Lihong published the artcileVisible light-mediated NHCs and photoredox co-catalyzed radical 1,2-dicarbonylation of alkenes for 1,4-diketones, Quality Control of 86-51-1, the main research area is diketone preparation photocatalysis; alkene acyl fluoride alpha keto acid dicarbonylation NHC cocatalyst.

Dicarbonylation of alkenes provides direct access to value-added 1,4-dicarbonyl compounds However, selectivity control for unsym. 1,2-dicarbonylation is of great challenge. Herein authors describe NHCs and photocatalysis co-catalyzed three-component radical 1,2-dicarbonylation of alkenes by distinguishing two carbonyl groups, providing structurally diversified 1,4-diketones. Distinct properties of acyl radical and NHCs-stabilized ketyl radical contributed to selectivity control. Acyl radicals are rapidly added to alkenes delivering alkyl radicals, which underwent subsequent radical-radical cross-coupling with NHCs-stabilized ketyl-type radicals, affording 1,2-dicarbonylation products. This transformation features mild reaction conditions, broad substrate scope, and excellent selectivity, providing a general and practical approach for the dicarbonylation of olefins.

Science China: Chemistry published new progress about Alkenes Role: RCT (Reactant), RACT (Reactant or Reagent). 86-51-1 belongs to class isoquinoline, name is 2,3-Dimethoxybenzaldehyde, and the molecular formula is C9H10O3, Quality Control of 86-51-1.

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem