Category: 600-05-5

The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: 2,3-Dibromopropionic acid, is researched, Molecular C3H4Br2O2, CAS is 600-05-5, about Additions of halogen by means of N-bromosuccinimide. III. Preparation of aliphatic α,β-dihalo carboxylic acids, the main research direction is ALIPHATIC DIHALO CARBOXYLIC ACID; DIHALO CARBOXYLIC ACID ALIPHATIC; CARBOXYLIC ACID ALIPHATIC DIHALO.Reference of 2,3-Dibromopropionic acid.

cf. CA 64, 11114f. α-Bromo-β-chlorocarboxylic acids and their esters were readily obtained from the corresponding α,β-unsaturated carboxylic acids with N-bromosuccinimide (I) and HCl. The position of the halogen atoms was confirmed by partial hydrolysis of the products. The appropriate α,β-unsaturated carboxylic acid or ester (0.1 mole), 50 cc. 3N HCl, and 50 cc. Et2O treated with stirring at -6° during 40 min. with 17.8 g. I in portions and filtered, and the aqueous phase diluted with 60 cc. saturated aqueous NaCl and extracted 8 hrs. with Et2O yielded the corresponding α-bromo-β-chloro derivative By this method were prepared from the appropriate α,β-unsaturated compounds the following α-bromo-β-chloro derivatives (m.p. or b.p./ mm. and % yield given): ClCH2CHBrCO2H (II), 43°, 61; Et ester of II, 93°/20 (81°/10), 70; ClCH2CMeBrCO2H (III), 43° (125°/14), 78.5; Me ester of III, 87°/24 (69°/9), 69; MeCHClCHBrCO2H, 70° (143°/25, 123°/8), 73. CH2:CHCO2H with I and HBr gave similarly 50% BrCH2CHBrCO2H, m. 51°. The appropriate α-bromo-β-chlorocarboxylic acid (0.002 mole) in 15 cc. Me2CO and 5 cc. H2O kept 3 days at room temperature gave the corresponding β-hydroxy-α-bromocarboxylic acid. In this manner were prepared HOCH2CHBrCO2H, 71% MeCH(OH)CHBrCO2H, m. 86-7°, and 70% HOCH2CMeBrCO2H, m. 107-8°.

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Reference:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem

The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Isopropyl and isobutyl esters of acrylic acid》. Authors are Ipatov, A. V..The article about the compound:2,3-Dibromopropionic acidcas:600-05-5,SMILESS:O=C(O)C(Br)CBr).SDS of cas: 600-05-5. Through the article, more information about this compound (cas:600-05-5) is conveyed.

The iso-Pr ester (I) and iso-Bu ester (II) of acrylic acid (III) have been prepared because of possible industrial interest. A mixture containing 20 g. BrCH2CHBrCO2H (IV) and 12 g. iso-PrOH and iso-BuOH, resp., is saturated with HCl while cooling. After keeping the mixture for 2 days, there are obtained the iso-Pr ester (V) of IV, b35 115°, b. 210-14°, d418 1.6513, nD18 1.4843, and the iso-Bu ester (VI) of IV, b26-7 130-5°, b. 230-2°, d418 1.5519, nD18 1.4749, resp. I, b. 108-12°, d422 0.8935, nD22 1.3826, and II, b. 130-4°, d422 0.8498, nD22 1.3874, are obtained from 10 g. V and VI, resp., on treatment with 5 g. Zn and 5 g. alc. I and II are obtained also from HOCH2CH2CN on warming with the appropriate alc. and concentrated H2SO4. The yields are low with both methods.

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Reference:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem

Application of 600-05-5. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: 2,3-Dibromopropionic acid, is researched, Molecular C3H4Br2O2, CAS is 600-05-5, about Synthesis and complexing properties of a new chelating microsphere dextran gel. Author is Kojdl, I. R..

The covalent anchoring of chelating groups on a spherical dextran gel by the simultaneous action of alkali dextran, BrCH2CHBrCO2H, and HN(CH2CO2H)2 under various conditions was studied. The formation of stable metal chelate complexes of the resulting spherical polymer, i.e., QCH2CH[N(CH2CO2H)2]CO2H and QCH(CO2H)CH2[N(CH2CO2H)2], was confirmed by means of neutralization curves for divalent metal ions with the order of selectivity depending on the electron-donating properties. The presence of functional α,β-alanine-N,N-diacetic acid groups and weakly acidic carboxyl groups was derived from the different stabilities and capacities dependent on the pH for In3+, Cu2+, Co2+, Zn2+, Mn2+, Mg2+, Ni2+, and Ca2+, in comparison with N-content on the spherical dextran gel capacity of a competing ligand in solution

In some applications, this compound(600-05-5)Application of 600-05-5 is unique.If you want to know more details about this compound, you can contact with the author or consult more relevant literature.

Reference:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem

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: 600-05-5, is researched, Molecular C3H4Br2O2, about Binuclear triphenylphosphine oxide adducts of copper(II) halopropionates, the main research direction is copper halopropionato triphenylphosphine oxide; magnetism copper halopropionato triphenylphosphine oxide; propionato halo copper triphenylphosphine oxide.Recommanded Product: 600-05-5.

CuX2(Ph3PO) (HX = BrCH2CH2CO2H, CH3CHBrCO2H, CH3CCl2CO2H) and Cu(BrCH2CHBrCO2)2(Ph3PO)0.75 were prepared by addition of methanolic Ph3PO to a MeOH solution of the Cu carboxylates containing a small amount of HX. The electronic, IR, and ESR spectra and magnetic data are nearly comparable to those reported for binuclear Cu(II) acetate hydrate. The maximum for the d-d transitions of the compounds is displaced bathochromically. The spectral data are correlated with magnetic data and the pKa value of the resp. acids. The singlet-triplet separation, -2J, increases in the order: Cu(CH3CCl2CO2)2Ph3PO < Cu(BrCH2CHBrCO2)2(Ph3PO)0.75 < Cu(CH3CHBrCO2)2Ph3PO < Cu(BrCH2CH2CO2)2Ph3PO. As far as I know, this compound(600-05-5)Recommanded Product: 600-05-5 can be applied in many ways, which is helpful for the development of experiments. Therefore many people are doing relevant researches.

Reference:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem

Application of 600-05-5. 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: 2,3-Dibromopropionic acid, is researched, Molecular C3H4Br2O2, CAS is 600-05-5, about Synthesis of (α-T)polyacrylic acid. Author is Postolache, Cristian; Matei, Lidia.

A polyacrylic acid (PAA) hydrogel with biotechnol., medical and pharmaceutical applications was synthesized by radiopolymn. of acrylic acid (AA) aqueous solutions Due to its high capacity for water absorption, the PAA hydrogel may be a good alternative for storage of low or medium-activity tritium liquid wastes. The stability towards radiolysis of PAA:H2O and self-radiolysis of PAA:HTO hydrogel was analyzed. The labeled PAA was obtained in two main steps. In the first step, the sodium [2-T]acrylate monomer was obtained by catalytic hydrogenation of 2-bromoacrylic acid. In the second step, the hydrogel was produced by radiopolymn. of the labeled monomer.

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Reference:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem

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: 600-05-5, is researched, SMILESS is O=C(O)C(Br)CBr, Molecular C3H4Br2O2Journal, Finnish Chemical Letters called Relation between the acidity of the halopropionic acids and the magnetic data of their copper(II) compounds, Author is Melnik, Milan, the main research direction is copper halopropionate acidity EPR; magnetic property copper halopropionate.HPLC of Formula: 600-05-5.

The EPR values at liquid-N temperature for a series of Cu(II) haloopropionates are reported. Whereas at room temperatures the EPR spectra of Cu(II) α-haloopropionates were extremely broadened, at liquid-N temperature they showed well-resolved absorption bands of axially sym. binuclear species. A good correlation between the acidity of the acids and the magnetic data of their Cu(II) compounds was found.

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Reference:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem

The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《Separation of halogenated acetic and propionic acids by paper chromatography》. Authors are Chittum, John W.; Gustin, Thomas A.; McGuire, Robert L.; Sweeney, John T..The article about the compound:2,3-Dibromopropionic acidcas:600-05-5,SMILESS:O=C(O)C(Br)CBr).Computed Properties of C3H4Br2O2. Through the article, more information about this compound (cas:600-05-5) is conveyed.

cf. C.A. 46, 889i. Mixtures containing (1) AcOH, ClCH2CO2H, Cl2CHCO2H, and Cl3CCO2H and (2) AcOH, BrCH2CO2H, Br2CHCO2H, and Br3CCO2H were separated by the method of Reid and Lederer (C.A. 46, 1923a). Rf values are given for the above acids and certain halogenated propionic acids.

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Reference:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem

Recommanded Product: 2,3-Dibromopropionic acid. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 2,3-Dibromopropionic acid, is researched, Molecular C3H4Br2O2, CAS is 600-05-5, about Combining high resolution mass spectrometry with a halogen extraction code to characterize and identify brominated disinfection byproducts formed during ozonation. Author is Lu, Yao; Song, Zhi-Min; Wang, Chao; Liang, Jun-Kun; Hu, Qing; Wu, Qian-Yuan.

Ozonation is widely used during water treatment but can generate a variety of toxic disinfection byproducts, especially in the presence of bromide. In the present study, our halogen extraction code was extended and modified to identify bromine isotopic patterns and combined with the R package MFAssignR in selectively identifying brominated disinfection byproducts (Br-DBPs) from high resolution mass spectra. In total, 127 Br-DBPs formed from a Suwannee River natural organic matter (SRNOM) solution were successfully detected from tens of thousands of mass spectrometry peaks. Kendrick mass defect anal. and structural characterization identified 17 structures, 15 of which were identified as brominated carboxylic acids and firstly reported here. Computational model predictions indicated that these brominated carboxylic acids may possess high toxic potencies and raise valid concerns. The adapted halogen extraction code described in this study is a powerful tool for a wider application of analyzing Br-DBPs in complex water matrixes and provides an effective technique to characterize and identify these compounds in future studies.

In addition to the literature in the link below, there is a lot of literature about this compound(2,3-Dibromopropionic acid)Recommanded Product: 2,3-Dibromopropionic acid, illustrating the importance and wide applicability of this compound(600-05-5).

Reference:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem

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 Fizicheskoi Khimii called Difference in the dissociation constants for polymorphic modifications of acids in nonaqueous solutions, Author is Urazovskii, S. S.; Kotlyarenko, I. P.; Kuris’ko, A. I., which mentions a compound: 600-05-5, SMILESS is O=C(O)C(Br)CBr, Molecular C3H4Br2O2, COA of Formula: C3H4Br2O2.

The dissociation constants were determined for the various modifications of monochloroacetic (I), glycolic (II), and α,β-dibromopropionic (III) acids in nonaqueous solutions (EtOH, Me2CO, C2H4Cl2) by the potentiometric and conductometric methods. Differences were observed in the dissociation constants for the stable and unstable modifications and the magnitudes for these differences coincided for the different methods of determination The differences in pK increased with a decrease in the dielec. constant of the solvent and with an increase in the concentration of the solution The constants remained unchanged only for dilute solutions beginning with 0.005N. In this range of concentration there was an equality between the ratios of the conductivity and the activity coefficient The observed phenomena were explained on the basis of the differences in the mol. configuration of the individual modifications of the acids owing to the hindered rotation of the OH groups which leads to different forms of association, i.e., intramol. for the β-modification and intermol. (dimeric) for the α-form.

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Reference:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem

The reaction of an aromatic heterocycle with a proton is called a protonation. One of articles about this theory is 《A kinetic study of some reactions of diazoacetic ester in benzene solution》. Authors are Bronsted, J. N.; Bell, R. P..The article about the compound:2,3-Dibromopropionic acidcas:600-05-5,SMILESS:O=C(O)C(Br)CBr).Electric Literature of C3H4Br2O2. Through the article, more information about this compound (cas:600-05-5) is conveyed.

A study was made of the reaction of Et diazoacetate with the following acids in C6H6 solution: monochloroacetic, dichloroacetic, iodoacetic, nitroacetic, formic, α-bromopropionic, α,β-dibromopropionic and picric. The reactions were followed by measuring the pressure of N evolved. In the solutions having one or more carboxylic acids, the reaction consisted of the replacement of the N2 group by an acid mol. The velocity of reaction increased with increasing acid strength. An empirical equation is given which agrees with the assumption that the addition of an acid mol. is catalyzed by the presence of acid mols. of the same or different kinds; the progressive dissociation of double acid mols. into single mols., as dilution increases is taken into consideration. The reaction can be considered as a case of general acid catalysis. The velocity of addition of picric acid was found to be directly proportional to its concentration The addition of phenol to diazoacetic ester was found to be strongly catalyzed by the presence of carboxylic acids, the catalytic effect increasing with the acid strength. Picric acid was found to be less active than required by the equation given for general acid catalysis.

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Reference:
Piperidine – Wikipedia,
Piperidine | C5H11N – PubChem