Category: 3222-47-7

HPLC of Formula: 3222-47-7. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: 6-Methylnicotinic acid, is researched, Molecular C7H7NO2, CAS is 3222-47-7, about Rhodium-catalyzed ortho-Arylation of (Hetero)aromatic Acids. Author is Weber, Philip; Rank, Christian K.; Yalcinkaya, Enis; Dyga, Marco; van Lingen, Tim; Schmid, Rochus; Patureau, Frederic W.; Goossen, Lukas J..

Rhodium acetate effectively promotes the carboxylate-directed ortho-arylation of (hetero)aromatic carboxylic acids ArCOOH (Ar = 2-methylphenyl, 4-methoxythiophen-3-yl, 2-fluoropyridin-3-yl, etc.) with aryl bromides Ar1Br (Ar1 = 4-methylphenyl, 2-naphthyl, 2-methylpyridin-6-yl, etc.) yielded functionalized hetero/aryl carboxylic acids, e.g., I (X = H, Me) and its Me carboxylates. The main advantage of this phosphine-free, redox-neutral method arises from its efficiency in assembling biol. meaningful electron-rich arylpyridines, which are problematic substrates in known C-H arylations using Pd, Ru, and Ir catalysts.

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Reference:
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Application of 3222-47-7. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: 6-Methylnicotinic acid, is researched, Molecular C7H7NO2, CAS is 3222-47-7, about Solvent-Dependent Chemoselective and Stereoselective Approach to Synthesis of Spiro-γ-Lactams with Potent Anticancer Activity. Author is Lei, Jie; He, Liu-Jun; Tang, Dian-Yong; Wen, Jingyuan; Yan, Wei; Li, Hong-yu; Chen, Zhong-Zhu; Xu, Zhi-Gang.

Chemoselective approaches were developed for derivatizing diastereoselective chromanone spiro-γ-lactams through the Michael-type addition by using amide as a weak nucleophile to construct the spiro-carbon center under basic conditions. To expand the scope of this post-Ugi cascade reaction, a new series of oxidized chromone derivatives Iand II [R1 = H, Me, Cl, etc.; R2 = Ph, 2-thienyl, 1,3-benzodioxol-5-yl, etc.; R3 = 2,6-dimethylphenyl, 4-methoxyphenyl, 1-naphthyl, etc.] was synthesized by altering solvent from EtOH to DMF. Compounds II [R1 = H; R2 = 1,3-benzodioxol-5-yl, 4-nitrophenyl; R3 = 2,6-dimethylphenyl] which could be synthesized in one day, demonstrated comparable anticancer activities with legendary anticancer drug paclitaxel in the PANC and U87 cell lines. This methodol. offers a new approach to construct spiro-carbon centers with functionalized chromanones or chromones under mild reaction conditions.

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Reference:
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: 6-Methylnicotinic acid, is researched, Molecular C7H7NO2, CAS is 3222-47-7, about Catalytic enantioselective pyridine N-oxidation, the main research direction is enantioenriched pyridine enantioselective oxidation peptide catalyst chirality desymmetrization; peptide coupling solution solid phase synthesis crystal structure; oxidation reaction mechanism hydrogen bond solvent effect safety; Loratadine Varenicline synthesis crystal structure.Safety of 6-Methylnicotinic acid.

The catalytic, enantioselective N-oxidation of substituted pyridines is described. The approach is predicated on a biomol.-inspired catalytic cycle wherein high levels of asym. induction are provided by aspartic-acid-containing peptides as the aspartyl side chain shuttles between free acid and peracid forms. Desymmetrizations of bis(pyridine) substrates bearing a remote pro-stereogenic center substituted with a group capable of hydrogen bonding to the catalyst are demonstrated. Our approach presents a new entry into chiral pyridine frameworks in a heterocycle-rich mol. environment. Representative functionalizations of the enantioenriched pyridine N-oxides further document the utility of this approach. Demonstration of the asym. N-oxidation in two venerable drug-like scaffolds, Loratadine and Varenicline, show the likely generality of the method for highly variable and distinct chiral environments, while also revealing that the approach is applicable to both pyridines and 1,4-pyrazines.

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Reference:
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: 6-Methylnicotinic acid, is researched, Molecular C7H7NO2, CAS is 3222-47-7, about Design and optimisation of a small-molecule TLR2/4 antagonist for anti-tumour therapy.Synthetic Route of C7H7NO2.

A small-mol. co-inhibitor that targets the TLR2/4 signalling pathway were developed. After high-throughput screening of a compound library containing 14400 small mols., followed by hit-to-lead structural optimization, the compound I was finally obtained, which has effective inhibitory properties against the TLR2/4 signalling pathways. This compound was found to significantly inhibit multiple pro-inflammatory cytokines released by RAW264.7 cells. This was followed by compound I demonstrating promising efficacy in subsequent anti-tumor experiments The current results provided a novel understanding of the role of TLR2/4 in cancer and a novel strategy for anti-tumor therapy.

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Reference:
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Heterocyclic compounds can be divided into two categories: alicyclic heterocycles and aromatic heterocycles. Compounds whose heterocycles in the molecular skeleton cannot reflect aromaticity are called alicyclic heterocyclic compounds. Compound: 3222-47-7, is researched, Molecular C7H7NO2, about Enantioselective Synthesis of Dihydropyridines Containing Quaternary Stereocenters Through Dearomatization of Pyridinium Salts, the main research direction is dihydropyridine piperidine preparation enantioselective; pyridinium salt dearomatization rhodium BINAP catalyst.Synthetic Route of C7H7NO2.

Enantioselective synthesis of non-aromatic heterocycles containing a quaternary stereogenic center is a challenging synthetic problem. A strategy towards this problem involving dearomatization of N-alkylpyridinium salts using boronic acid nucleophiles have been described. This dearomatization reaction is catalyzed by Rhodium(I)/BINAP catalyst and delivers dihydropyridines that contain a fully substituted stereogenic center alpha to the ring nitrogen atom in high yield and enantioselectivity. The reaction is compatible with a wide range of functional groups such as halide, ester, amide, olefin and free alc. Derivatization of dehydropyridine products allows synthesis of the functionalized tetrahydropyridines and piperidines.

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Reference:
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: 6-Methylnicotinic acid, is researched, Molecular C7H7NO2, CAS is 3222-47-7, about Rhodium-catalyzed ortho-Arylation of (Hetero)aromatic Acids, the main research direction is carboxylate heteroaryl preparation; heteroaryl aryl carboxylic acid preparation regioselective methyl iodide esterification; bromide aryl heteroaryl carboxylic acid arylation.Electric Literature of C7H7NO2.

Rhodium acetate effectively promotes the carboxylate-directed ortho-arylation of (hetero)aromatic carboxylic acids ArCOOH (Ar = 2-methylphenyl, 4-methoxythiophen-3-yl, 2-fluoropyridin-3-yl, etc.) with aryl bromides Ar1Br (Ar1 = 4-methylphenyl, 2-naphthyl, 2-methylpyridin-6-yl, etc.) yielded functionalized hetero/aryl carboxylic acids, e.g., I (X = H, Me) and its Me carboxylates. The main advantage of this phosphine-free, redox-neutral method arises from its efficiency in assembling biol. meaningful electron-rich arylpyridines, which are problematic substrates in known C-H arylations using Pd, Ru, and Ir catalysts.

There is still a lot of research devoted to this compound(SMILES：O=C(O)C1=CN=C(C)C=C1)Electric Literature of C7H7NO2, and with the development of science, more effects of this compound(3222-47-7) can be discovered.

Reference:
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Application of 3222-47-7. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: 6-Methylnicotinic acid, is researched, Molecular C7H7NO2, CAS is 3222-47-7, about Solvent-Dependent Chemoselective and Stereoselective Approach to Synthesis of Spiro-γ-Lactams with Potent Anticancer Activity. Author is Lei, Jie; He, Liu-Jun; Tang, Dian-Yong; Wen, Jingyuan; Yan, Wei; Li, Hong-yu; Chen, Zhong-Zhu; Xu, Zhi-Gang.

Chemoselective approaches were developed for derivatizing diastereoselective chromanone spiro-γ-lactams through the Michael-type addition by using amide as a weak nucleophile to construct the spiro-carbon center under basic conditions. To expand the scope of this post-Ugi cascade reaction, a new series of oxidized chromone derivatives Iand II [R1 = H, Me, Cl, etc.; R2 = Ph, 2-thienyl, 1,3-benzodioxol-5-yl, etc.; R3 = 2,6-dimethylphenyl, 4-methoxyphenyl, 1-naphthyl, etc.] was synthesized by altering solvent from EtOH to DMF. Compounds II [R1 = H; R2 = 1,3-benzodioxol-5-yl, 4-nitrophenyl; R3 = 2,6-dimethylphenyl] which could be synthesized in one day, demonstrated comparable anticancer activities with legendary anticancer drug paclitaxel in the PANC and U87 cell lines. This methodol. offers a new approach to construct spiro-carbon centers with functionalized chromanones or chromones under mild reaction conditions.

If you want to learn more about this compound(6-Methylnicotinic acid)Application of 3222-47-7, you may wish to communicate with the author of the article,or consult the relevant literature related to this compound(3222-47-7).

Reference:
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: 6-Methylnicotinic acid, is researched, Molecular C7H7NO2, CAS is 3222-47-7, about Discovery of quinolone derivatives as antimycobacterial agents, the main research direction is quinolone preparation antimycobacterial.Recommanded Product: 3222-47-7.

In this report, a compound library was screened and identified compound I with antituberculosis activity and a minimal inhibitory concentration (MIC) against M. tuberculosis of 20μg mL-1. Structure optimization and the structure-activity relationship of 1 as the lead compound enabled the design and synthesis of a series of quinolone derivatives, e.g, II. These compounds were evaluated in vitro for anti-tubercular activity against the M. tuberculosis H37Rv strain. Among them, compounds III [n = 1; R = 3′,5′-dimethoxy-[1,1′-biphenyl], 4-(trifluoromethyl)phenyl, 6-(trifluoromethyl)pyridin-3-yl (IV)] exhibited MIC values in the range of 1.2-3μg mL-1 and showed excellent activity against the tested MDR-TB strain (MIC: 3, 2.9 and 0.9μg mL-1, resp.). All three compounds III were non-toxic toward A549 and Vero cells (>100 and >50μg mL-1, resp.). In addition, an antibacterial spectrum test carried out using compound (IV) showed that this compound specifically inhibits M. tuberculosis. These can serve as a new starting point for the development of anti-TB agents with therapeutic potential.

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Reference:
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Most of the natural products isolated at present are heterocyclic compounds, so heterocyclic compounds occupy an important position in the research of organic chemistry. A compound: 3222-47-7, is researched, SMILESS is O=C(O)C1=CN=C(C)C=C1, Molecular C7H7NO2Journal, Article, Research Support, Non-U.S. Gov’t, Journal of Medicinal Chemistry called Structure-activity relationship studies of tolfenpyrad reveal subnanomolar inhibitors of Haemonchus contortus development, Author is Le, Thuy G.; Kundu, Abhijit; Ghoshal, Atanu; Nguyen, Nghi H.; Preston, Sarah; Jiao, Yaqing; Ruan, Banfeng; Xue, Lian; Huang, Fei; Keiser, Jennifer; Hofmann, Andreas; Chang, Bill C. H.; Garcia-Bustos, Jose; Wells, Timothy N. C.; Palmer, Michael J.; Jabbar, Abdul; Gasser, Robin B.; Baell, Jonathan B., the main research direction is tolfenpyrad Haemonchus contortus nematode parasiticide pharmacokinetics.HPLC of Formula: 3222-47-7.

Recently, we have discovered that the registered pesticide, tolfenpyrad, unexpectedly and potently inhibits the development of the L4 larval stage of the parasitic nematode Haemonchus contortus with an IC50 value of 0.03 μM while displaying good selectivity, with an IC50 of 37.9 μM for cytotoxicity. As a promising mol. template for medicinal chem. optimization, we undertook anthelmintic structure-activity relationships for this chem. Modifications of the left-hand side (LHS), right-hand side (RHS), and middle section of the scaffold were explored to produce a set of 57 analogs. Analogs I, II, and III were shown to be the most potent compounds of the series, with IC50 values at a subnanomolar level of potency against the chemotherapeutically relevant fourth larval (L4) stage of H. contortus. Selected compounds from the series also showed promising activity against a panel of other different parasitic nematodes, such as hookworms and whipworms.

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Reference:
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Singh, Vikram; Liu, Shuang; Ma, Pengtao; Drew, Michael G. B.; Wang, Jingping; Niu, Jingyang researched the compound: 6-Methylnicotinic acid( cas:3222-47-7 ).Reference of 6-Methylnicotinic acid.They published the article 《Versatile {Cp2Ti} Grafted Hetero-Polyoxotungstate Clusters: Synthesis, Crystal Structure, and Photocurrent Properties》 about this compound( cas:3222-47-7 ) in Inorganic Chemistry. Keywords: titanocene grafted phosphotungstate cluster preparation crystal mol structure photocurrent; crystal mol structure titanocene grafted phosphotungstate cluster. We’ll tell you more about this compound (cas:3222-47-7).

Polyoxotungstate supported titanocene {Cp2Ti}2+ clusters H6{K8(Cp2Ti)2P4W24O88(PO4)2}·14H2O (1), H6[Na2P4W14O58(Cp2Ti)2]·12H2O (2), and H2[K6{Cp2Ti}{PW9O33(WO2)}2{NC5H3(COOK)2}(NC5H3(CH3)COOK)·22H2O] (3) have been synthesized, and their single crystal x-ray structures have revealed unprecedented and intriguing structural features. The synthesized compounds have been characterized by various spectroscopic techniques including UV-vis, cyclic voltammogram, NMR, ESI-MS, and inductive coupled plasma spectroscopy (ICP) in solution and also by IR, TGA, and diffuse reflectance in the solid state. Clusters 1 and 2 are rare examples of lacunary POM supported titanocene clusters obtained by incorporating various phosphorus heteroatoms to form elusive phosphotungstate assemblies, whereas 3 is an unprecedented organometallic as well as heteroleptic pyridyl functionalized POM. Clusters 1-3 show transient photocurrent ON/OFF behavior upon UV-light irradiation and also exhibit characteristic TiIV/III intravalence electron transfer. This behavior is also established by their cyclic voltammograms in mixed phosphate buffers (Na2HPO4/NaH2PO4) which show the evidence of POM supported {Cp2Ti}2+/+ species in their redox solution Furthermore, ESR line broadening is also observed in these clusters at room temperature, a fact which also confirms the formation of partially reduced/oxidized {Cp2Ti}2+/+ species leading to TiIV/III intravalence electron transfers within all three clusters. The {Cp2Ti}2+ decorated polyoxometalate cluster 3 shows improved transient photocurrent behavior which may be due to the presence of pyridyl carboxyl ions which provide better surface contact for the cluster mol. through the carboxylate moiety to the ITO electrode.

In some applications, this compound(3222-47-7)Reference of 6-Methylnicotinic acid is unique.If you want to know more details about this compound, you can contact with the author or consult more relevant literature.

Reference:
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics