Tag: M.W:100-200

Related Products of 3326-71-4. 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. Compound: 2-Furoic hydrazide, is researched, Molecular C5H6N2O2, CAS is 3326-71-4, about Synthesis of New Cyanopyridine Scaffolds and their Biological Activities.

The 3-cyanopyridine analogs I, II and III [Ar = 4-methylphenyl, 4-methoxyphenyl, 4-chlorophenyl, etc.] were synthesized and examined to determine their activity against the M. tuberculosis H37Rv strain. Derivatives I [2-thienyl, 4-chlorophenyl] and II [Ar = 2-furyl, 2-thienyl]had good inhibition. Further screening was done for the highest potency against M. tuberculosis to determine the MICs. The antioxidant efficacy was evaluated via the DPPH technique matched with vitamin C as a pos. control. Some synthesized derivatives displayed good potency against bacterial activity and M tuberculosis. The antioxidant performance of these derivatives did not display scavenging efficacies compared to vitamin C. The cytotoxic activity of the synthesized derivatives was also examined various cell lines to display good cytotoxic activity in the order III > II > I.

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Reference:
Benzisoxazole – Wikipedia,
Benzisoxazole – an overview | ScienceDirect Topics

Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Zhurnal Obshchei Khimii called Reaction of methyl tetrahydropyromucate with aniline. XXXI, Author is Yur’ev, Yu. K.; Vendel’shtein, E. G., which mentions a compound: 37443-42-8, SMILESS is O=C(C1OCCC1)OC, Molecular C6H10O3, Category: benzisoxazole.

Passage of Me 2-furoate in a H atm. over Pd-asbestos at 160° gave 78% Me tetrahydro-2-furoate, b736 179.5-80.5°, n20D 1.4371, d204 1.1080. This (10 g.) and 27 g. PhNH2 passed in a N atm. over Al2O3 at 360° gave CO2, 14 g. PhNH2, and 1.5 g. 1-phenylpyrrolidine, b4 104-5°, n20D 1.5840, d204 1.0164; picrate, m. 116°. Passage of the ester at 360° over Al2O3 in a N atm. gave CO2, propene, and MeOH. Hydrolysis of the ester with 2 N NaOH 4 hrs. at reflux gave 76% free acid, a sirupy microcrystalline mass; this heated to 270-80° begins to lose CO2, which occurs freely at 300-5°, yielding furanidine, b755 65°, n20D 1.4088, d204 0.8899.

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Reference:
Benzisoxazole – Wikipedia,
Benzisoxazole – an overview | ScienceDirect Topics

Recommanded Product: cis-Cyclohexane-1,2-dicarboxylic acid. The fused heterocycle is formed by combining a benzene ring with a single heterocycle, or two or more single heterocycles. Compound: cis-Cyclohexane-1,2-dicarboxylic acid, is researched, Molecular C8H12O4, CAS is 610-09-3, about The effects of cis-trans configuration of cyclohexane multi-carboxylic acids on colloidal forces in dispersions: steric, hydrophobic and bridging. Author is Chandramalar, A. V. M.; Lim, Y. Y.; Leong, Y. K..

The effects of cis- and trans-1,2-, trans-1,4-cyclohexanedicarboxylic acid, 95% cis-1,3,5-cyclohexane tricarboxylic acid and cis-1,2,3,4,5,6-cyclohexanehexacarboxylic acid on the yield stress-pH behavior of concentrated ZrO2 dispersions are reported. Adsorbed cis-1,2,3,4,5,6-cyclohexanehexacarboxylic acid imparts predominantly steric interactions. It forms a steric barrier keeping the interacting particles apart. Adsorbed cis- and trans-1,2 increase the maximum yield stress and this was attributed to a hydrophobic force resulting from the part of the cyclohexane ring sticking out into the solution which is devoid of charged or hydrophilic group. Adsorbed trans-1,4 increases the maximum yield stress by ≥3-fold and its configuration favors strong bridging interaction with an adjacent particle. Predominantly, cis-1,3,5 also increases the maximum yield stress but only by 60% at the same additive concentration This was attributed to a smaller degree of bridging.

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Reference:
Benzisoxazole – Wikipedia,
Benzisoxazole – an overview | ScienceDirect Topics

Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, CrystEngComm called Construction of coordination frameworks based on 4-imidazolyl tecton 1,4-di(1H-imidazol-4-yl)benzene and varied carboxylic acids, Author is Chen, Shui-Sheng; Zhao, Yue; Fan, Jian; Okamura, Taka-aki; Bai, Zheng-Shuai; Chen, Zhi-Hao; Sun, Wei-Yin, which mentions a compound: 610-09-3, SMILESS is O=C([C@H]1[C@@H](C(O)=O)CCCC1)O, Molecular C8H12O4, Recommanded Product: 610-09-3.

Nine new coordination polymers [Mn(L)(OX)] (1), [Zn(L)(MBDC)] (2), [Zn(L)(BPDA)] (3), [Co3(L)2(BTA)2]·2H2O (4), [Co2(L)2(BTCA)]·2H2O (5), [Ni(L)(e,a-cis-1,2-CHDC)]·2H2O (6), [Co(L)(e,a-cis-1,4-CHDC)] (7), [Co(L)(e,e-trans-1,4-CHDC)]·2H2O (8) and [Co(L)(e,e,e-cis-1,3,5-HCHTC)]·0.45H2O (9) were obtained by reactions of varied metal salts with 1,4-di(1H-imidazol-4-yl)benzene (L) in the presence of corresponding auxiliary ligands of oxalic acid (H2OX), 5-methyl-1,3-benzenedicarboxylic acid (H2MBDC), 4,4′-biphenyldicarboxylic acid (H2BPDA), benzene-1,3,5-triacetic acid (H3BTA), 1,2,4,5-benzenetetracarboxylic acid (H4BTCA), cis-1,2-cyclohexanedicarboxylic acid (cis-1,2-H2CHDC), cis-/trans-1,4-cyclohexanedicarboxylic acid (cis-/trans-1,4-H2CHDC) and cis-1,3,5-cyclohexane tricarboxylic acid (cis-1,3,5-H3CHTC), resp. Complex 1 has a one-dimensional (1D) chain structure and 2 has a two-dimensional (2D) network with 63-hcb topol. Complex 3 is a complicated uninodal 4-connected three-dimensional (3D) net with Point (Schlaefli) symbol (4.6.83·10)(4.63·82)(63·103)(64·82) while 4 is a (3,8)-connected tfz-d 3D net with Point (Schlaefli) symbol (43)2(46·618·84) based on the trinuclear Co(II) secondary building units (SBUs). Complex 5 is a 3-fold interpenetrating mog net with Point (Schlaefli) symbol of (4.64·8)2(42·62·82), while 6 is a 2D net with (4,4) topol. based on binuclear SBUs. In contrast to the 2D network of 7 with e,a-cis-1,4-CHDC2-, 8 with e,e-trans-1,4-CHDC2- is a 5-fold interpenetrating 66-dia 3D net. Complex 9 has a 1D ladder-like chain structure with a stable conformation from the e,e,e-cis-1,3,5-HCHTC2- ligand. Complexes 2 and 3 exhibit intense light blue emission in the solid state at room temperature and the results of magnetic measurements showed that there are antiferromagnetic interactions in 1.

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Benzisoxazole – Wikipedia,
Benzisoxazole – 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.Bi, Shuangyu; Yu, Daqi; Si, Guangwei; Luo, Chunxiong; Li, Tongqing; Ouyang, Qi; Jakovljevic, Vladimir; Sourjik, Victor; Tu, Yuhai; Lai, Luhua researched the compound: cis-Cyclohexane-1,2-dicarboxylic acid( cas:610-09-3 ).Formula: C8H12O4.They published the article 《Discovery of novel chemoeffectors and rational design of Escherichia coli chemoreceptor specificity》 about this compound( cas:610-09-3 ) in Proceedings of the National Academy of Sciences of the United States of America. Keywords: Escherichia Tar chemoreceptor specificity design chemoeffector chemoattractant. We’ll tell you more about this compound (cas:610-09-3).

Bacterial chemoreceptors mediate chemotactic responses to diverse stimuli. Here, by using an integrated in silico, in vitro, and in vivo approach, we screened a large compound library and found eight novel chemoeffectors for the Escherichia coli chemoreceptor Tar. Six of the eight new Tar binding compounds induce attractant responses, and two of them function as antagonists that can bind Tar without inducing downstream signaling. Comparison between the antagonist and attractant binding patterns suggests that the key interactions for chemotaxis signaling are mediated by the hydrogen bonds formed between a donor group in the attractant and the main-chain carbonyls (Y149 and/or Q152) on the α4 helix of Tar. This mol. insight for signaling is verified by converting an antagonist to an attractant when introducing an N-H group into the antagonist to restore the hydrogen bond. Similar signal triggering effect by an O-H group is also confirmed. Our study suggests that the Tar chemoeffector binding pocket may be separated into two functional regions: region I mainly contributes to binding and region II contributes to both binding and signaling. This scenario of binding and signaling suggests that Tar may be rationally designed to respond to a non-native ligand by altering key residues in region I to strengthen binding with the novel ligand while maintaining the key interactions in region II for signaling. Following this strategy, we have successfully redesigned Tar to respond to L-arginine, a basic amino acid that does not have chemotactic effect for WT Tar, by two site-specific mutations (R69’E and R73’E).

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Benzisoxazole – Wikipedia,
Benzisoxazole – 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: 3326-71-4, is researched, Molecular C5H6N2O2, about Tin-Mediated One-pot Preparation of β-Trifluoromethyl-β-acylhydrazonyl Carbonyl Compounds, the main research direction is trifluoromethyl acylhydrazonyl carbonyl compound preparation; trifluoroacetaldehyde methyl hemiacetal acylhydrazine bromocarbonyl compound multicomponent reaction.Electric Literature of C5H6N2O2.

A concise and efficient protocol for the preparation of β-trifluoromethyl-β-acylhydrazonyl carbonyl compounds was developed from multicomponent one-pot reactions of trifluoroacetaldehyde Me hemiacetal, acylhydrazines and 2-bromocarbonyl compounds in the presence of tin powder. The reactions can be carried out under mild reaction conditions to give the products in good to excellent yields.

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Benzisoxazole – Wikipedia,
Benzisoxazole – an overview | ScienceDirect Topics

In general, if the atoms that make up the ring contain heteroatoms, such rings become heterocycles, and organic compounds containing heterocycles are called heterocyclic compounds. An article called Asymmetric protonation of lithium enolate of α-amino acid derivatives using chiral Bronsted acids, published in 2001-12-31, which mentions a compound: 37443-42-8, Name is Methyl tetrahydrofuran-2-carboxylate, Molecular C6H10O3, SDS of cas: 37443-42-8.

Chiral alcs. possessing an asym. 2-oxazoline ring were synthesized as new chiral Bronsted acids from tetrahydro-2-furoic acid and (1S,2R)-2-amino-1,2-diphenylethanol. These alcs. were superior to (S,S)- or (R,R)-imide reported previously as a chiral proton source for enantioselective protonation of lithium enolate of an alanine derivative

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Benzisoxazole – Wikipedia,
Benzisoxazole – an overview | ScienceDirect Topics

Safety of Methyl tetrahydrofuran-2-carboxylate. 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. Compound: Methyl tetrahydrofuran-2-carboxylate, is researched, Molecular C6H10O3, CAS is 37443-42-8, about Asymmetric protonation of lithium enolate of α-amino acid derivatives using chiral Bronsted acids.

Chiral alcs. possessing an asym. 2-oxazoline ring were synthesized as new chiral Bronsted acids from tetrahydro-2-furoic acid and (1S,2R)-2-amino-1,2-diphenylethanol. These alcs. were superior to (S,S)- or (R,R)-imide reported previously as a chiral proton source for enantioselective protonation of lithium enolate of an alanine derivative

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Benzisoxazole – Wikipedia,
Benzisoxazole – an overview | ScienceDirect Topics

The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: 2-Furoic hydrazide(SMILESS: O=C(C1=CC=CO1)NN,cas:3326-71-4) is researched.Synthetic Route of C18H20N2O12. The article 《Synthesis, crystal structures, and characterization of three zinc complexs with different acylhydrazone-type schiff base ligands》 in relation to this compound, is published in Wuji Huaxue Xuebao. Let’s take a look at the latest research on this compound (cas:3326-71-4).

Three zinc complexes, namely [Zn(Lss)(phen)(DMF)] (1), {[Zn (HLdis)]2·2CH3OH}n (2) and [Zn(Baf)2]·CH3OH (3), formed from different acylhydrazone-type Schiff base ligands were synthesized by using different methods, and the compounds were characterized by IR, UV-Vis spectra and TGA. The X-ray diffraction analyses revealed that 1 and 3 crystallized in the triclinic space group P1̅ while 2 in monoclinic system space group P21/n. In 1 and 3, coordination number of the Zn (II) was six, and the centric atom located in a distorted octahedron geometry, while in 2 Zn (II) was five-coordination in a distorted square-pyramidal geometry. The precursor of 3 was pyrazoline derivative with the formula C15H14N2O3 (Pzl) crystallizing in monoclinic system space group P21/c. Due to the coordination of Zn (II) causing the intramol. rearrangement of Pzl, the ring open product HBaf in the form of an acylhydrazone structure coordinated with Zn (II) to form complex 3.

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Benzisoxazole – Wikipedia,
Benzisoxazole – an overview | ScienceDirect Topics

Safety of 2-Furoic hydrazide. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 2-Furoic hydrazide, is researched, Molecular C5H6N2O2, CAS is 3326-71-4, about Synthesis, characterization, crystal structure, Hirshfeld surface analysis and DFT calculations of two novel pyrrole derivatives. Author is Chethan Prathap, K. N.; Shalini, P.; Lokanath, N. K..

The novel pyrroles (E)-N’-(1-(1H-pyrrol-2-yl)ethylidene)benzenesulfonohydrazide and (E)-N’-(1-(1H-pyrrol-2-yl)ethylidene)furan-2-carbohydrazide were synthesized. The synthesized comps. were characterized by (1H and 13C) NMR, FT-IR, UV-visible, TG-DTA and XRD studies.

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Benzisoxazole – Wikipedia,
Benzisoxazole – an overview | ScienceDirect Topics