Category: 610-09-3

The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Photochemical transformations. XI. Isomerization of 1,3-cyclooctadiene》. Authors are Dauben, William G.; Cargill, Robert L..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).SDS of cas: 610-09-3. Through the article, more information about this compound (cas:610-09-3) is conveyed.

cf. CA 54, 22718a. Com. 1,3-cyclooctadiene (I, n2D0 1.4940, λ 228 mμ (ε 5470, alc.), 22.1 g.) in 2 l. dry Et2O irradiated 200 hrs. with a Hanovia high pressure Hg arc lamp, internal probe, type L with magnetic stirring (He atm.), the progress of irradiation followed by ultraviolet spectroscopy to disappearance of I, the Et2O evaporated at 40-50° through a 1 ft. Vigreux column, and the yellow residue distilled through a Nester-Faust 2 ft. spinning band column gave 36-41% bicyclo[4.2.0]oct-7-ene (II), C8H12, b. 131-2°, n2D0 1.4720, λ205 mμ (ε 700, alc.), nuclear magnetic resonance singlets at 4.04 and complex multiplets at 7.21, 8.47 τ, infrared spectrum identical with that of material prepared from cyclooctatetraene dibromide. NaIO4 (9.78 millimoles), 0.16 millimole KMnO4, and 0.37 millimole K2CO3 in 200 ml. H2O stirred 25 hrs. at 25° with 1.03 millimoles II, the mixture acidified with 15% H2SO4, extracted 20 hrs. with Et2O, the dried extract evaporated, and the residue triturated with petr. ether gave 105 mg. solid, recrystallized from H2O and from Et2O-petr. ether to give cis-1,2-cyclohexanedicarboxylic acid, m. 197.5-8.0°. At no time was the typical spectrum of 1,3,5-hexatriene detected in the ultraviolet absorption spectrum of the irradiated solution

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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, Article, Carbohydrate Research called Hydrolysis and interactions of D-cellobiose with polycarboxylic acids, Author is Amarasekara, Ananda S.; Wiredu, Bernard; Lawrence, Yen Maroney, which mentions a compound: 610-09-3, SMILESS is O=C([C@H]1[C@@H](C(O)=O)CCCC1)O, Molecular C8H12O4, Computed Properties of C8H12O4.

The hydrolysis of cellulose model compound D-cellobiose was studied with a series of eight common polycarboxylic acids and two monocarboxylic acids in aqueous medium using 0.500 mmol -COOH/L at 170 °C. The maleic acid showed the highest catalytic activity with turnover frequency (TOF) of 29.5 h-1. The interaction of carboxylic acids with D-cellobiose in DMSO-d6 was studied by determination of the pseudo first-order rate constant kH of anomeric -OH exchange rate in cellobiose using 1H NMR spectroscopy. The maleic, oxalic and citric acids showed infinitely large kH values indicating very strong interactions with D-cellobiose. The next highest interactions were found with phthalic acid (kH = 248.8 Hz). The FT-IR studies showed significant carboxylic acid C=O stretching frequency shifts (ΔνC=O) of 12, 13 and 10 cm-1 for maleic, oxalic and acetic acids resp. in mixtures with D-cellobiose.

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Benzisoxazole – Wikipedia,
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The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Kolbe electrolyses of cis- and trans-methyl hydrogen hexahydrophthalate》. Authors are Overberger, C. G.; Kabasakalian, Peter.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).Recommanded Product: cis-Cyclohexane-1,2-dicarboxylic acid. Through the article, more information about this compound (cas:610-09-3) is conveyed.

The Kolbe electrolysis of cis- and trans-Me H hexahydrophthalate (I) in anhydrous MeOH has been carried out. Identical mixtures of uncoupled products were obtained from both isomers. Me 1-cyclohexene- and 2-cyclohexene-1-carboxylate and Me cyclohexanecarboxylate were obtained as monomeric products. Dimeric materials were obtained for the first time from I. Saponification of the dimeric ester mixture gave 2 perhydrodiphenic acids, trans-anti-trans and trans-syn-trans, which were separated and identified quantitatively by adsorption chromatography and infrared analysis. Since epimerization occurred on all centers α to the carboxyl group, no conclusion about the stereochemistry of the radicals could be deduced from the ratios of coupled products.

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Benzisoxazole – Wikipedia,
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The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Hexathydro-o-phthalic acids》. Authors are Vavon, G.; Peignier, P..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).Quality Control of cis-Cyclohexane-1,2-dicarboxylic acid. Through the article, more information about this compound (cas:610-09-3) is conveyed.

Hydrogenation of mono-Me o-phthalate with Pt black as catalyst gives cis-hexahydrophthalate (I). The l-rotatory isomer of I (m. 148-9°, [α573 6.67°, c 0.1 in EtOH) gives on saponification an inactive acid. The l-rotatory cis-hexahydrophthalamide ([α]573 -15.4°, c 0.02 in EtOH), isolated by means of the quinine salt, gives on heating an inactive imide.

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Benzisoxazole – Wikipedia,
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The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Condensation of aromatic aldehydes with glycine and acetylglycine》. Authors are Dakin, H. D..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).HPLC of Formula: 610-09-3. Through the article, more information about this compound (cas:610-09-3) is conveyed.

The condensation referred to in the title is complicated by a competing reaction between CH2(NH2)CO2H and BzH, forming a non-acetylated derivative possibly of a type resembling a Schiff base. The 2 reactions are shown thus: (1) H2NCH2CO2H → AcNHCH2CO2H → MeC:N.C(:CHPh).CO.O → MeCONHC(:CHPh)CO2H, (2) HO2CCH2NH2 + BzH → HO2CCH2N:-CHPh (I) or O.CO.CH2.NH.CHPh. I may be called benzylideneglycine and was isolated and analyzed. Because the 2nd condensation product is a non-acetylated compound its formation can be largely suppressed by acetylating the glycine before the reaction. Correspondingly larger yields of the azlactone of α-acetamidocinnamic acid were obtained. Acetylation was most easily effected by warming glycine suspended in 3 parts of glacial AcOH with the theoretical amount of Ac2O until solution was obtained. A variety of aldehydes was used although the product from salicyl aldehyde was the most interesting. AcOC6H4CH:C.N:CMe.O.CO (II) → HOC3H4CH:C(NHAc)CO2H (III) → O.C6H4.CH:C(NHAc).CO (IV). II on treating with alkali and subsequent acidification forms the transient III which quickly passes over to IV. Detailed exptl. data are given.

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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: 610-09-3, is researched, Molecular C8H12O4, about Synthesis and properties of some basic metals and manganese salts of cis-1,2-cyclohexane dicarboxylic acid, the main research direction is transition metal cyclohexanedicarboxylate preparation; wheat fertilizer liver inhibition transition metal cyclohexanedicarboxylate.Application of 610-09-3.

Sodium, potassium, ammonium and manganese salts of cis-1,2-cyclohexanedicarboxylic acid were synthesized. The structural characteristics of these salts were analyzed by thermog. and spectroscopic methods and examined on liver and wheat under the effect of their biol. activities. They can be used as a micro-fertilizer in the fields biol. and agriculture.

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Benzisoxazole – Wikipedia,
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SDS of cas: 610-09-3. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: cis-Cyclohexane-1,2-dicarboxylic acid, is researched, Molecular C8H12O4, CAS is 610-09-3, about An Open-Framework Material with Dangling Organic Functional Groups in 24-Ring Channels. Author is Zhu, Jin; Bu, Xianhui; Feng, Pingyun; Stucky, Galen D..

An open-framework material with dangling organic functional groups in 24-ring channels, Zn3(O3PCH2CO2)2(O3PCH2CO2H)(NH3CH2CH2NH3)(BTC) (BTC = 1,3,5-benzenetricarboxylic acid), was prepared and its crystal structure was determined The material with a tetrahedral zeolite-type structure belongs to space group R3̅, Z = 18, a 41.663(7), c 7.843(2)Å, R = 7.43, Rw = 19.7%. Each O3PCH2CO2 group behaves like a regular PO43- group in zeolite-type frameworks and is 4-connected to 4 Zn sites; 2 of the 3 unique Zn sites are 4-connected to P atoms sites. The 3rd Zn site is pentacoordinated to 5 O atoms and 3-connected to P sites because 2 pairs of O atoms are chelating O atoms from 2 O3PCH2CO2 groups.

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Benzisoxazole – Wikipedia,
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The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Stereoisomeric biologically active compounds. I. Some conversions of cis-4-chloro-4-cyclohexene-1,2-dicarboxylic acid》. Authors are Rashidyan, L. G.; Tatevosyan, G. T..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).Category: benzisoxazole. Through the article, more information about this compound (cas:610-09-3) is conveyed.

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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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 The ionization of aliphatic dicarboxylic acids in water.Application In Synthesis of cis-Cyclohexane-1,2-dicarboxylic acid.

Potentiometric, calorimetric, and dilatometric data on the ionization of several saturated dicarboxylic acids in water at 25° are reported. A correlation is attempted between structure and thermodn. evidences for the two dissociation stages of the diacids considered, in particular in terms of the propensity toward intramol. H bond formation of some singly ionized species.

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Benzisoxazole – Wikipedia,
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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, Z. physik. Chem. called The heats of hydration and energy contents of cis- and trans-cyclohexane-1,2-dicarboxylic acids, and their primary ions, Author is Wassermann, Albert, which mentions a compound: 610-09-3, SMILESS is O=C([C@H]1[C@@H](C(O)=O)CCCC1)O, Molecular C8H12O4, Synthetic Route of C8H12O4.

The following values were obtained for the cis- and trans-cyclohexane-1,2-dicarboxylic acids and their ions, resp.: heat of combustion, kg.-cal./mole (constant temperature) 931.9, 929.5; heat of solution + first heat of ionization, -7.49, -6.48; energy content of primary anion in dilute solution, kg.-cal./mole 939.4, 936.0; mol. volume at 0° 126.5, 120.4; second heat of ionization +0.30, +0.24. The first ionization constant of the cis acid increases with rise in temperature, while that of the trans decreases. This leads to the conclusion that the trans ion is more hydrated than the cis ion, although the heat of hydration of the undissociated cis is not measurably greater than that of the trans acid.

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Benzisoxazole – an overview | ScienceDirect Topics