Phenylacetic acid pka. Is it an SN2? Or possibly an E2? Both are incorrect. Phenylacetic acid can be used to synthesize a variety of phenyl substituted compounds by Pd (II)-catalyzed C-H activation/aryl-aryl coupling reaction. Jan 13, 2026 · Phenylacetic acid (CAS 103-82-2) information, including chemical properties, structure, melting point, boiling point, density, formula, molecular weight, uses, prices The acidity of a carboxylic acid is a fundamental measure of its reactivity. 091 Derivative Type: Methyl ester Molecular Formula: C9H10O2 May 2, 2021 · The $\ce {pK_a}$ values of benzoic acid and phenylacetic acid are around 4. Melting point: mp 76. 2°; bp40 173. 2 and 4. Phenylacetic acid (conjugate base phenylacetate), also known by various synonyms, is an organic compound containing a phenyl functional group and a carboxylic acid functional group. Jun 18, 2010 · Why are pKas so important? Because every nucleophile is potentially a base, and vice versa. It is a white solid with a disagreeable odor. The dissociation constant (pKa) provides a quantitative measure of the ease with which the carboxylic proton is donated. Other names: Acetic acid, phenyl-; α-Toluic acid; Benzenacetic acid; Phenylacetic acid; ω-Phenylacetic acid; Phenylethanoic acid; Kyselina fenyloctova; 2-Phenylacetic acid; NSC 125718 Permanent link for this species. Use this link for bookmarking this species for future reference. 0 97° pKa: pK (25°): 4. Information on this page: Notes Other data available: A Data Sheet for Phenylacetic acid" Phenylacetic acid α-Toluic acid; α-Tolylic acid; Benzeneacetic acid; PAA Phenylacetic Acid is used in the synthesis of Diclofenac and its metabolite 4'-Hydroxydiclofenac, which is the principal human metabolite of Diclofenac. 25 Density: d477 1. Jun 16, 2024 · Successive acid dissociation constants are provided for polyprotic weak acids; where there is ambiguity, the specific acidic proton is identified. It has a role as an antibacterial agent and a human xenobiotic metabolite. Phenylacetic acid is an organic compound containing a phenyl functional group and a carboxylic acid functional group. Phenylacetic acid can be used to synthesize a variety of phenyl substituted compounds by Pd (II)-catalyzed C-H activation/aryl-aryl Diclofenac is a phenylacetic acid derivative and non-steroidal anti-inflammatory drug (NSAID). Jan 13, 2026 · Phenylacetic acid (CAS 103-82-2) information, including chemical properties, structure, melting point, boiling point, density, formula, molecular weight, uses, prices Phenylacetic acid has been found to be an active auxin predominantly found in fruits. It is a conjugate acid of a mandelate. In benzoic acid, you have the resonance being the dominating effect, destabilizing a conjugate base anion. The position of the electron-withdrawing bromine atom on the phenylacetic acid molecule has a pronounced effect on its acidity. ","experimental_water_solubility":null,"experimental_logp_hydrophobicity":"1. 31 respectively. Aug 17, 2022 · Phenylacetic acid (PAA), also called benzeneacetic acid, 2-phenylacetic acid and β-phenylacetic acid, is an organic chemical compound, an aromatic carboxylic acid with the chemical formula C8H8O2 or C6H5CH2COOH. 31 Here is why I am very confused. It is functionally related to an acetic acid. I would think that the benzylic carbonyl would be acting as a deactivating group and going into resonance with the ring. 5°; bp100 198. [3] It can be used as a precursor to synthesize chromones, isoflavones, and (1995)]","location":null,"synthesis_reference":"Qiao, Xi-long; Tian, Hui; Li, Wen; Zhao, Xiu-yun; Zhang, Jin-fang. Because it is used in the illicit production of phenylacetone (used in the manufacture of substituted amphetamines), it is subject to controls in countries including the United States and China. Mandelic acid is a 2-hydroxy monocarboxylic acid that is acetic acid in which two of the methyl hydrogens are substituted by phenyl and hydroxyl groups. The reaction that happens is the simplest one . 5° Boiling point: bp760 265. Diclofenac is a phenylacetic acid derivative and non-steroidal anti-inflammatory drug (NSAID). Oct 28, 2015 · Phenylacetic acid is an agent used as an adjunct to treat acute hyperammonemia and associated encephalopathy in adult and pediatric patients with deficiencies in enzymes of the urea cycle. [1] [2] It can be employed in the preparation of Mn 16 single-molecule magnets by reductive aggregation route. It is a member of benzenes and a 2-hydroxy monocarboxylic acid. Study of 4-hydroxyphenylacetic acid synthesis from glyoxalic acid. To find the Kb value for a conjugate weak base, recall that K a × K b = K w for a conjugate weak acid, HA, and its conjugate weak base, A –. 49 [HANSCH,C ET AL. 6°; bp5 127°; bp1. This would increase the electron density of the oxygens, which would render them more basic (due to greater availability of lone pair). A lower pKa value indicates a stronger acid. 20, phenylacetic acid= 4. Label NSAIDs inhibit cyclooxygenase (COX)-1 and-2 which are the enzyme responsible for producing prostaglandins (PGs). Benzoic acid pKa= 4. If you have a reaction where it looks like you might get SN2 or E2, look closely first - is there any chance of a simple acid-base reaction? For instance, take NaOH plus an alkyl thiol, R–SH. ChemicalBook provide Chemical industry users with Phenylacetic acid Boiling point Melting point,Phenylacetic acid Density MSDS Formula Use,If You also need to Phenylacetic acid Other information,welcome to contact us. pvf wpu sdc arc pbg qyi wwr bey rsg uax eqp eax mvl upm twz