Category: Benzisoxazole

Application of 3326-71-4. 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 Systematic approach of chromone skeleton for detecting Mg2+, ion: Applications for sustainable cytotoxicity and cell imaging possibilities. Author is Yadav, Neetu; Kumar, Raj; Singh, Ashok Kumar; Mohiyuddin, Shanid; Gopinath, P..

The systematic studies of chromone appended novel chemosensors, favored to Mg2+ ion detection, these were analyzed and characterized by different spectroscopic techniques such as NMR, mass spectroscopy, FTIR and optical techniques. The binding demeanor of the ligands was executed with the library of metal ions and shown the good coordination with Mg2+ ion to the ligand′s cavity. Both ligands demonstrated good binding behavior with Mg2+ ion. The ligands represented 1: 1 stoichiometry with Mg2+ ions through Job′s plot. The low limit of detection of Mg2+ ion was determined as 2.56 × 10-6 and 1.28 × 10-6 for La and Lb, resp. No interference was occurred in Inference study by foreign metal ions that supported the specific detection of Mg2+ ion among the other metal ions. Further, the cytotoxicity assay test of these chromone appended ligands revealed that both ligands and their resp. compound with Mg2+ ion shown negligible toxicity with HeLa cancer cell line. Further, due to the fluorescence properties of the ligands, with or without Mg2+ ion was successfully tested in bioimaging experiment of HeLa cancer cell lines and found that ligands with Mg2+ ions represented good imaging with HeLa cancer cell.

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Application In Synthesis of 2-Furoic hydrazide. 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: 2-Furoic hydrazide, is researched, Molecular C5H6N2O2, CAS is 3326-71-4, about A new fluorescent chemosensor for Al(III) detection with highly selective in aqueous solution and solid test paper. Author is Xiu, Deping; Shi, Junjie; Deng, Miaoran; Song, Huihua; Hao, Zhiqiang; Feng, Qi; Yu, Haitao.

A new fluorescent chemosensor (I) based on salicylaldehyde hydrazide was facilely synthesized through one-step reaction, which exhibited turn-on fluorescent response to Al(III) with 18-fold fluorescence enhancement in aqueous solution at pH 5.5. The binding stoichiometry of 1 toward Al(III) was in 1:1. High selectivity and sensitivity to Al(III) were achieved, which featured a detection limit of 67 nmol L-1 and a linear rang of 1-10 μmol L-1. More importantly, the sensing process could be also performed on solid test paper. After the addition of Al(III), a significant emission color change from yellow to cyan was observed by naked eye due to the intrinsic aggregation-induced emission (AIE) characteristic of 1.

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Benedetti, Ettore; Pedone, Carlo; Allegra, Giuseppe published an article about the compound: cis-Cyclohexane-1,2-dicarboxylic acid( cas:610-09-3,SMILESS:O=C([C@H]1[C@@H](C(O)=O)CCCC1)O ).Synthetic Route of C8H12O4. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:610-09-3) through the article.

C8H12O4, crystallizes in the triclinic system, space group P1 , with a = 6.93, b = 10.95, c = 6.38 Å, α = 108°3′, β = 114°51′, γ = 90°16′, and Z = 2. The structure has been solved by joint application of the symbolic addition procedure and the method based on the maximum probability described by Allegra and Valle, which maximizes the II(s1, s2, s3,…) function. The structure has been refined to an R factor of 0.056 for 1505 independent reflections measured by counter techniques (Cu Kα). One of the two carboxyl groups is in the axial, the other in the equatorial position relative to the cyclohexane ring. The observed conformation of this mol. is compared with that recently given for the trans isomer.

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The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Stereochemistry of cyclic compounds. 1,3-Cyclopentenedione in Diels-Alder reaction》. Authors are Kucherov, V. F.; Ivanova, L. I..The article about the compound:cis-Cyclohexane-1,2-dicarboxylic acidcas:610-09-3,SMILESS:O=C([C@H]1[C@@H](C(O)=O)CCCC1)O).COA of Formula: C8H12O4. Through the article, more information about this compound (cas:610-09-3) is conveyed.

Oxidation of 1,3-cyclopentenediol with CrO3 in AcOH with ice cooling gave 26% 1,3-cyclopentenedione (I), b1 60°, n20D 1.5045, m. 35-6°, after cooling. The dione condenses readily with butadiene in C6H6 (pyrogallol added) in 2 weeks at room temperature to yield cis-Δ5-hexahydroindene-1,3-dione, m. 157.5-8.5°; hydrogenation over Pd gave 1,3-hydrindandione, m. 86-6.5°, which with Br2-NaOH gave cis-1,2-cyclohexanedicarboxylic acid, m. 186.5-7.5°. I condensed with isoprene in C6H6 to the adduct, 5-methyl-Δ5-hexahydroindene-1,3-dione, m. 84.5-5.5°. Cyclopentadiene gave the adduct, C10H10O2, m. 178-8.5°, which hydrogenated over Pd to endomethylenehydrindan-1,3-dione, m. 166-6.5°. I and 1-vinylcyclohexene gave the adduct, 4,5-tetramethylene-Δ5-hexahydroindene-1,3-dione, m. 120-1°. I and 6-methoxy-1-vinyl-Δ3,4-dihydronaphthalene similarly gave in 1 day at room temperature II, m. 206.5-7.5°.

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Lee, Yu Jin; Kim, Eun Young; Kim, Soo Hyun; Jang, Seung Pyo; Lee, Tae Geum; Kim, Cheal; Kim, Sung-Jin; Kim, Youngmee published an article about the compound: cis-Cyclohexane-1,2-dicarboxylic acid( cas:610-09-3,SMILESS:O=C([C@H]1[C@@H](C(O)=O)CCCC1)O ).Application of 610-09-3. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:610-09-3) through the article.

Six ZnII-(e,a-cis-1,2-chdc) complexes, [Zn2(1,2-chdc)2(2,2′-bpy)2(H2O)2]·H2O (1), [{Zn2(1,2-chdc)2(H2O)2(μ-bpa)}·4H2O]n (2), [{Zn2(μ-1,2-chdc)2(μ-4,4′-bpy)}·2CH3OH]n (3), [{Zn2(μ-1,2-chdc)2(μ-bpe)}·2H2O]n (4), [[{Zn2(μ-1,2-chdc)2}n-(μ-bpp)2-{Zn2(μ-1,2-hdc)2(H2O)2}]·CH3CN·2H2O]n (5), and [{Zn(μ-dtp)(μ-1,2-chdc)}2·4·5H2O]n (6) (1,2-chdc = 1,2-cyclohexanedicarboxylate), with different assistant ligands (2,2′-bipyridine (2,2′-bpy), 1,2-bis(4-pyridyl)ethane (bpa), 1,2-bis(4-pyridyl)ethylene (bpe), 1,3-bis(4-pyridyl)propane (bpp), and, 4,4′-bipyridine (4,4′-bpy) and 4,4′-dithiodipyridine (dtp)) were synthesized and their structures were determined Depending on the assistant ligands, the structures and dimensionalities of ZnII-(e,a-cis-1,2-chdc) complexes were varied. Two carboxylates in e,a-cis-1,2-chdc coordinate to ZnII ions with (11) or (10) connectivity. Photoluminescence study of the compounds 1-6 showed that emission spectra of compounds 1, 2, 4, and 5 were observed at 343 nm for 1, 419 nm for 2, 507 nm for 4, 396 nm for 5, resp., while no obvious luminescences were displayed for 3 and 6. Compound 1 catalyzed the transesterification reaction of Ph acetate with methanol, with quant. conversion to Me acetate, under the neutral conditions, while compounds 2-6 showed very slow conversions. The thermal stabilities of these complexes were also examined

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Kim, Eun Young; Park, Hyun Min; Kim, Ha-Yeong; Kim, Jin Hoon; Hyun, Min Young; Lee, Ju Hoon; Kim, Cheal; Kim, Sung-Jin; Kim, Youngmee published the article 《Novel CdII coordination polymers (1-D, 2-D to 3-D) constructed from 1,2-cyclohexanedicarboxylate and various bipyridyl ligands》. Keywords: cadmium cyclohexanedicarboxylate bipyridyl coordination polymer preparation crystal structure luminescence.They researched the compound: cis-Cyclohexane-1,2-dicarboxylic acid( cas:610-09-3 ).Application of 610-09-3. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:610-09-3) here.

Four CdII-(e,a-cis-1,2-chdc) complexes, [Cd(H2O)(1,2-chdc)(2,2′-bpy)] 1, [Cd(1,2-chdc)(bpe)]n 2, [Cd2(1,2-chdc)(4,4′-bpy)2]n 3A, and [Cd(H2O)(1,2-chdc)(4,4′-bpy)2]n·3n(H2O) 3B (1,2-chdc = cis-1,2-cyclohexanedicarboxylate), with different assistant ligands (2,2′-bipyridine (2,2′-bpy), 1,2-bis(4-pyridyl)ethene (bpe), and 4,4′-bipyridine (4,4′-bpy)) were synthesized and their structures were determined Depending on the assistant ligands, the structures and dimensionalities of CdII-(e,a-cis-1,2-chdc) complexes were varied. Two carboxylates in e,a-cis-1,2-chdc coordinate to CdII ions in chelating (η1:η1), bridging (η1:η1:μ2), and chelating/bridging (η2:η1:μ2) modes. Photoluminescence study of the compounds 1 and 2 showed emission of compound 1 was observed at 348 nm, while relatively weak luminescence was displayed at 516 nm for 2. The thermal stabilities of these complexes were also examined

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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: cis-Cyclohexane-1,2-dicarboxylic acid, is researched, Molecular C8H12O4, CAS is 610-09-3, about Mass spectra of carboxylic acids. IV. Carboxyl-carboxyl interaction in some cycloalkane-1,2-dicarboxylic acids and its relation with molecular geometry.Synthetic Route of C8H12O4.

The interaction of the (arboxyl groups in the fragmentation of the mol. ions of trans-cyclohexane-1,2-dicarboxylic acid and cis-cyclobutane-1,2-dicarboxylic acid distinguishes these acids from their cis and trans isomers, resp. This ortho effect is related to the geometrical arrangement of the carboxyl groups in the ground-state mols.

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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: 3326-71-4, is researched, SMILESS is O=C(C1=CC=CO1)NN, Molecular C5H6N2O2Journal, Article, Inorganic Chemistry called Binucleating Hydrazonic Ligands and Their μ-Hydroxodicopper(II) Complexes as Promising Structural Motifs for Enhanced Antitumor Activity, Author is Rada, Jesica Paola; Bastos, Beatriz S. M.; Anselmino, Luciano; Franco, Chris H. J.; Lanznaster, Mauricio; Diniz, Renata; Fernandez, Claudio O.; Menacho-Marquez, Mauricio; Percebom, Ana Maria; Rey, Nicolas A., the main research direction is crystal structure copper hydrazonophenol binucleating hydroxo; copper hydrazonophenol preparation antiproliferative activity BSA DNA binding.Application In Synthesis of 2-Furoic hydrazide.

Very few inorganic antineoplastic drugs have entered the clinic in the last decades, mainly because of toxicity issues. Because Cu is an essential trace element of ubiquitous occurrence, decreased side effects could be expected in comparison with the widely used Pt anticancer compounds Two novel hydrazonic binucleating ligands and their μ-hydroxo dicopper(II) complexes were prepared and fully characterized. They differ by the nature of the aromatic group present in their aroylhydrazone moieties: while H3L1 and its complex [Cu2(μ-OH)(HL1)](ClO4) (1), possess a thiophene ring, H3L2 and [Cu2(μ-OH)(HL2)](ClO4) (2) contain the more polar furan heterocycle. X-ray diffraction indicates that both coordination compounds are very similar in structural terms and generate dimeric arrangements in the solid state. Pos.-ion electrospray ionization mass spectrometry analyses confirmed that the main species present in a 10% DMSO/water solution should be [Cu2(HL)(OH)]+ and the DMSO-substituted derivative [Cu2(L)(DMSO)]+. Scattering techniques [dynamic light scattering (DLS) and small-angle x-ray scattering] suggest that the complexes and their free ligands interact with bovine serum albumin (BSA) in a reversible manner. The binding constants to BSA were determined for the complexes through fluorescence spectroscopy. Also, to gain insight into the mechanism of action of the compounds, calf thymus DNA binding studies by UV-visible and DLS measurements using plasmid pBR322 DNA were also performed. For the complexes, DLS data seem to point to the occurrence of DNA cleavage to Form III (linear). Both ligands and their dicopper(II) complexes display potent antiproliferative activity in a panel of four cancer cell lines, occasionally even in the submicromolar range, with the complexes being more potent than the free ligands. The authors’ data on cellular models correlate quite well with the DNA interaction experiments The results presented herein show that aroylhydrazone-derived binucleating ligands, as well as their dinuclear μ-hydroxodicopper(II) complexes, may represent a promising structural starting point for the development of a new generation of highly active antitumor agents.

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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.Application In Synthesis of 2-Furoic hydrazide. The article 《Organoruthenium (II) complexes featuring pyrazole-linked Schiff base ligands: Crystal structure, DNA/BSA interactions, cytotoxicity and molecular docking》 in relation to this compound, is published in Applied Organometallic Chemistry. Let’s take a look at the latest research on this compound (cas:3326-71-4).

Half-sandwiched ruthenium (II) arene complexes with piano stool-like geometry with the general formula [(p-cymene)RuClL1] and [(p-cymene)RuClL2] [where L1 = (Z)-N’-((1,3-diphenyl-1H-pyrazol-4-yl)methylene)furan-2-carbohydrazide and L2 = (Z)-N’-((1,3-diphenyl-1H-pyrazol-4-yl)methylene)thiophene-2-carbohydrazide] were synthesized and characterized. The single crystal X-ray data revealed that the complexes belong to the same crystal system (monoclinic) with octahedral geometry, where the ruthenium atom is surrounded by hydrazone ligand coordinated through ON atoms, one chloride labile co-ligand and the remaining three coordination sites covered by an electron cloud of p-cymene moiety. The interaction between the complexes and DNA/bovine serum albumin (BSA) was evaluated using absorption and emission titration methods showing intercalative modes of interaction. The DNA cleavage ability of the complexes was checked by agarose gel electrophoresis method exhibiting the destruction of DNA duplex arrangement. To understand the interaction between ruthenium complex and DNA/BSA mol., mol. docking studies were performed. In vitro cytotoxicity of the complexes was examined by the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay on human lung cancer cell line, A549, and found that at lower IC50, cell growth inhibition has occurred. Similarly, the IC50 values of the complexes treated with cancerous cell lines have produced a significant amount of lactase dehydrogenase and nitrite content in the culture medium, which were evaluated as apoptosis-inducing factors, suggesting that the ruthenium (II) arene hydrazone complexes with pyrazole ligands have promising anticancer activities.

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In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called Stereoisomeric biologically active compounds. I. Some conversions of cis-4-chloro-4-cyclohexene-1,2-dicarboxylic acid, published in 1965, which mentions a compound: 610-09-3, mainly applied to , Synthetic Route of C8H12O4.

cf. Baeyer, Ann. Chem. 258, 215(1890); U.S. 1,967,862, CA 28, 5994. To 10 g. cis-4-chloro-4-cyclohexene-1,2-dicarboxylic acid (I) and 60 ml. H2O, under cooling and stirring, a solution of 21 g. KMnO4 in 650 650 ml. H2O was added over 3 hrs. The cooling and stirring was another 2 hrs. and the mixture left standing overnight, yielding meso-butane-1,2,3,4-tetracarboxylic acid m. 191-2°. I (204.5 g.) and 15 ml. concentrated H2SO4 in 500 ml. absolute MeOH was refluxed for 8 hrs. Dimethyl cis-4-chloro-4-cyclohexene-1,2-dicarboxylate (II), b5 148-50°, d204 1.0553, n20D 1.4935 was obtained in 71.3% yield. II (20 g.) and 18 ml. 85% H2NNH2 was refluxed for 3 hrs. Trans-4-chloro-4-cyclohexene-1,2-dicarboxylic acid dihydrazide (III) m. 222-4° (60% EtOH) was obtained in 69.5% yield. To 30 g. III in 105 ml. 10% HCl and 280 ml. CH2Cl2 at 18-20°, a solution of 20.8 g. NaNO3 in 48.5 ml. H2O was slowly added. The nonaqueous layer was dried, filtered, and treated with 160 ml. absolute EtOH. The CH2Cl2 was evaporated, the mixture refluxed for 2 hrs., 210 ml. 40% NaOH added and steam distilled The distillate was acidified with 10% HCl giving the trans-4-chloro-1,2-diamino-4-cyclohexene-2HCl m. 326-8° in 72.1% yield. III (38 g.) and a solution of 26.6 g. NaOH in 350 ml. H2O was refluxed for 12 hrs. and acidified, giving trans-4-chloro-4-cyclohexene-1,2-dicarboxylic acid (IV) m. 115-17° (H2O) in 89.8% yield. IV (10 g.) was oxidized with KMnO4 as described above, giving the dianhydride of dl-butane-1,2,3,4-tetracarboxylic acid m. 172-3°. A solution of 21 g. IV, 8 g. NaOH and 70 ml. H2O was hydrogenated in an autoclave in the presence of 35 g. Ni on Cr2O3 at 100° and 100 atm. The solution was filtered and acidified giving trans-cyclohexane-1,2-dicarboxylic acid (V) m. 220° (Me2O) in 78.2% yield. I (60 g.) and 23.5 g. NaOH in 200 ml. H2O was hydrogenated as described above giving cis-cyclohexane-1,2-dicarboxylic acid (VI), m. 192°, in 92.1% yield. A mixture of 8 g. VI and 20 ml. concentrated HCl was heated in a sealed tube at 180° for 8-10 hrs. and V, m. 220-1°, was obtained in 88.8% yield.

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