Day: April 8, 2022

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

Here is just a brief introduction to this compound(610-09-3)Application of 610-09-3, more information about the compound(cis-Cyclohexane-1,2-dicarboxylic acid) is in the article, you can click the link below.

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

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°.

Here is just a brief introduction to this compound(610-09-3)COA of Formula: C8H12O4, more information about the compound(cis-Cyclohexane-1,2-dicarboxylic acid) is in the article, you can click the link below.

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

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.

Here is just a brief introduction to this compound(610-09-3)Synthetic Route of C8H12O4, more information about the compound(cis-Cyclohexane-1,2-dicarboxylic acid) is in the article, you can click the link below.

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

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

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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Reference:
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.Application In Synthesis of cis-Cyclohexane-1,2-dicarboxylic acid. The article 《Cytotoxic homoleptic Ti(IV) compounds of ONO-type ligands: synthesis, structures and anti-cancer activity》 in relation to this compound, is published in Dalton Transactions. Let’s take a look at the latest research on this compound (cas:3326-71-4).

Eight Ti(IV) compounds 1-8, of the type [Ti(Ln)2] where Ln is a variously substituted dianionic tridentate acylhydrazone, were synthesized by reacting the appropriate hydrazide with 2-hydroxybenzaldehyde or 2′-hydroxyacetophenone and titanium(IV) tetra(isopropoxide) in a 2 : 2 : 1 molar ratio. The solid-state structures of 1-6 and 7·CH2Cl2 were deduced from the single crystal X-ray diffraction data, which indicated that each L2- ligand is fully deprotonated and coordinated to the Ti(IV) cation via the enolic oxygen, the imino nitrogen and the phenolic oxygen atoms (ONO donor set) in an enol tautomeric form, the metal assuming the distorted octahedral geometry. The structures of pro-ligands H2L3 and H2L5 are also reported. All complexes displayed high hydrolytic stability. In vitro cytotoxicity assays towards human ovarian A2780 and colon HT-29 cancer cell lines revealed the activity dependence on the acylhydrazone substituents, with electron-donating groups on the phenolato units enhancing the solubility and promoting cytotoxicity. The lead compound 5 of this study presents IC50 values of 2.5 ± 0.2 and 4.2 ± 0.6 μM for ovarian A2780 and colon HT-29 human cancer cells, resp.

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

The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Synthesis of bicyclo[4.2.0]octane-7,8-diol, a derivative of “”cycloöctatetraene dichloride””》. Authors are Cope, Arthur C.; Herrick, Elbert C..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).Application In Synthesis of cis-Cyclohexane-1,2-dicarboxylic acid. Through the article, more information about this compound (cas:610-09-3) is conveyed.

Butadiene (0.6-0.8 l./min.) was passed into 500 cc. dry warmed C6H6 containing 196 g. maleic anhydride and heating discontinued when the temperature reached 50°; the absorption of gas gradually slowed and was stopped in 2-2.5 hrs., and the mixture allowed to stand overnight, yielding 281.5-94.5 g. cis-Δ4-tetrahydrophthalic anhydride (I), m. 103-4°. I (228 g.), 525 cc. com. absolute EtOH, and 2.5 g. p-MeC6H4SO3H were refluxed 12-16 hrs., the EtOH removed by 2 azeotropic distillations with PhMe, the residue cooled, 200 cc. ether added, and the ether extract dried, yielding 280-92 g. cis-di-Et Δ1-tetrahydrophthalate (II), b5 129-31°, n23D 1.4610; the same procedure yielded 239 g. di-Me ester (III), b5 120-2°, n25D 1.4700. Hydrogenation of 226 g. II with 0.5 g. prereduced Adams catalyst in 20 cc. absolute EtOH or 1 g. 1% Pd-on-C without solvent at 30-15 lb./sq. in. for 3-5 hrs. yielded 215-19 g. cis-hexahydrophthalate (IV), b9 130-2°, n25D 1.4510; hexahydro compound from III, b5 110-12°, n25D 1.4570. In the following preparation all materials and apparatus were carefully dried; the original paper should be consulted for details. IV (76 g.) in 2130 cc. xylene was added during 45.5 hrs. to 1 l. refluxing xylene containing 31.3 g. Na, the mixture cooled in an ice-salt bath, 1.5 l. xylene siphoned off and discarded, 78.5 cc. AcOH in 500 cc. ether added during 30 min., the NaOAc filtered off and extracted with ether, and the ether and xylene distilled off in vacuo, yielding 1.1 g. bicyclo[4.2.0]octan-7-ol-8-one (VI), m. 178-84.5° (from EtOH); fractionation of the residue from the ether filtrate yielded 5.7 g. VI, n25D 1.4992, d254 1.1218, MRD calculated 36.66, found 36.71. The following derivatives of VI were prepared and purified by chromatography: 3,5-dinitrobenzoate, m. 131-2° (from methylcyclohexane); p-phenylazobenzoate, m. 138-9° (from hexane); 2,4-dinitrophenylosazone, m. 248.5-57.5° (from EtOAc); the residue yielded an uninvestigated compound, m. 152.5-3.5°. VI (1.89 g.) reduced at atm. pressure in 40 cc. absolute EtOH with 2 g. W-7 Raney Ni yielded 0.315 g. trans-bicyclo[4.2.0]octane-7,8-diol (VII), m. 140.5-1.5°. VII (0.043 g.) and 0.326 g. p-PhN2C6H4COCl (VIII) refluxed 11 hrs. with 10 cc. pyridine yielded 0.132 g. bis(p-phenylazobenzoate), m. 174.8-5.8° (from methylcyclohexane). Concentration of the hexane solution from VII and distillation of the residue yielded 5% cis-bicyclo compound (IX), m. 71.5-3.5°; VIII derivative, m. 165-6°. Addnl. evidence for the structure of IX and VII was obtained from their effect on the pH of 0.1 M boric acid.

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Reference:
Benzisoxazole – Wikipedia,
Benzisoxazole – 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: Methyl tetrahydrofuran-2-carboxylate, is researched, Molecular C6H10O3, CAS is 37443-42-8, about Bulky diarylammonium arenesulfonates as mild and extremely active dehydrative ester condensation catalysts.Synthetic Route of C6H10O3.

Bulky diarylammonium pentafluorobenzenesulfonates and tosylates serve as extremely active dehydration catalysts for the ester condensation reaction of carboxylic acids with equimolar amounts of sterically demanding alcs. and acid-sensitive alcs. Typically, the esterification reaction is performed in heptane by heating at 80 °C in the presence of 1 mol% of the catalyst without removing water. Esterification with primary alcs. proceeds without solvents even at room temperature Furthermore, 4-(N-mesitylamino)polystyrene resin-bound pentafluorobenzenesulfonate can be recycled more than 10 times without a loss of activity.

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Reference:
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 Spontaneous formation and stabilization of radicals during the cocrystallization of alicyclic and peroxyalicyclic dicarboxylic acids, published in 2008-06-30, which mentions a compound: 610-09-3, Name is cis-Cyclohexane-1,2-dicarboxylic acid, Molecular C8H12O4, Quality Control of cis-Cyclohexane-1,2-dicarboxylic acid.

The cocrystn. of di(cis-2-carboxycyclohexylcarbonyl) peroxide and cyclohexane-1,2-dicarboxylic acid from aqueous solution affords stable 1-carboxycyclohexyl radicals, which were identified by EPR spectroscopy.

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Reference:
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 Catalytic oxidation of benzyl-alcohol with H2O2 in the presence of a dioxidomolybdenum(VI) complex, published in 2020-09-24, which mentions a compound: 3326-71-4, Name is 2-Furoic hydrazide, Molecular C5H6N2O2, Computed Properties of C5H6N2O2.

A new dioxidomolybdenum(VI) complex, [MoO2(L)(CH3OH)] (1), was synthesized by the reaction of MoO3 with ONO-donor hydrazone ligand that was obtained from the condensation of benzolyacetone and furan-2-carbohydrazide in methanol. Both of the ligand and complex were characterized by elemental anal. and FTIR, NMR and UV-visible spectroscopic methods. The structure of complex was also determined by single crystal x-ray anal. Structural anal. showed that the Mo(VI) ion has a distorted octahedral geometry and the ligand is coordinated to the metal ion as dineg. ONO-donor ligand. The obtained molybdenum(VI) complex was used as catalyst in oxidation of benzyl alc. with H2O2 as a green oxidant. The effects of some parameters such as temperature, solvent and ratio of materials were also studied. Catalytic studies indicated that complex 1 can efficiently catalyze the oxidation of benzyl alc. but its activity and selectivity are considerably dependent on the reaction condition.

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