Day: November 15, 2022

Han, Qiu-Yan published the artcileOrganic Photoredox-Catalyzed Decarboxylative Trifluoromethylselenolation of Aliphatic Carboxylic Acids with [Me4N][SeCF3], HPLC of Formula: 104-01-8, the main research area is trifluoromethyl selenoether preparation green chem; aliphatic carboxylic acid oxidative decarboxylative trifluoromethylselenolation photoredox catalyst.

Oxidative decarboxylation/trifluoromethylselenolation of primary, secondary, and tertiary aliphatic carboxylic acids with the nucleophilic [Me4N][SeCF3] salt and an organic photocatalyst is described. The reaction proceeds smoothly at room temperature under transition-metal-free conditions and affords the corresponding trifluoromethylselenolated products in good yields. Advantages of the method include good functional group tolerance, without preactivation of the acids, and late-stage functionalization of the complex drug mols. This protocol represents the first decarboxylative trifluoromethylselenolation of carboxylic acids to trifluoromethyl selenoethers.

Organic Letters published new progress about Carboxylic acids Role: RCT (Reactant), RACT (Reactant or Reagent). 104-01-8 belongs to class isoquinoline, name is 4-Methoxyphenylacetic acid, and the molecular formula is C9H10O3, HPLC of Formula: 104-01-8.

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Yuan, Shiru published the artcile[2.2]Paracyclophane-Based Isothiourea-Catalyzed Highly Enantioselective α-Fluorination of Carboxylic Acids, SDS of cas: 104-01-8, the main research area is fluoroester preparation enantioselective; carboxylic acid fluorination paracyclophane isothiourea catalyst.

Planar chiral [2.2]paracyclophane-based isothiourea catalysts have been prepared over a few simple steps in high yields. In the presence of these catalysts, highly efficient catalytic enantioselective fluorination of carboxylic acids has been accomplished, providing a broad range of optically active α-fluoroesters in high yield and excellent enantioselectivity.

Organic Letters published new progress about Carboxylic acids Role: RCT (Reactant), RACT (Reactant or Reagent). 104-01-8 belongs to class isoquinoline, name is 4-Methoxyphenylacetic acid, and the molecular formula is C9H10O3, SDS of cas: 104-01-8.

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Matsubara, Ryosuke published the artcileModular Synthesis of Carbon-Substituted Furoxans via Radical Addition Pathway. Useful Tool for Transformation of Aliphatic Carboxylic Acids Based on “”Build-and-Scrap”” Strategy, Application of 4-Methoxyphenylacetic acid, the main research area is furoxan regioselective preparation; silver catalyst oxidative radical substitution arylsulfonyl furoxan alkylcarboxylic acid; build and scrap strategy radical functionalization furoxan.

Bis(arylsulfonyl)furoxans such as I (R = 4-MeC6H4, 4-ClC6H4, 4-FC6H4, 3-F3CC6H4, Ph) underwent regioselective substitution reactions with alkyl radicals generated from carboxylic acids such as Ph(CH2)3CO2H with K2S2O8 in the presence of AgNO3 in aqueous MeCN, allowing regioselective functionalization of furoxans. Further isomerization and substitution reactions allowed the regioselective preparation of a variety of furoxans such as II (R1 = PhSO2, 4-MeC6H4SO2, Me(CH2)5CC, F3C, EtO, PhO, EtS). II (R = PhSO2, EtO, F3C) were converted to a variety of compounds including oximes, amines and diamines, nitro compounds, nitriles, an oxadiazole, and isoxazoles and dihydroisoxazoles; the furoxan moiety can thus be used to form a variety of functional groups by a “”build-and-scrap”” strategy. The mechanisms of the addition and elimination steps of the regioselective substitution reactions bis(arylsulfonyl)furoxans was studied to account for the observed regioselectivities.

Organic Letters published new progress about Carboxylic acids Role: RCT (Reactant), RACT (Reactant or Reagent). 104-01-8 belongs to class isoquinoline, name is 4-Methoxyphenylacetic acid, and the molecular formula is C9H10O3, Application of 4-Methoxyphenylacetic acid.

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Ye, Zenghui published the artcileEnantiospecific electrochemical rearrangement for the synthesis of hindered triazolopyridinone derivatives, Recommanded Product: 4-Methoxyphenylacetic acid, the main research area is functionalized hindered triazolopyridinone derivative enantioselective preparation; pyridyl hydrazide preparation electrochem oxidative rearrangement; carboxylic acid hydrazine pyridyl hydrazide preparation.

An electrochem. rearrangement for efficient synthesis of inaccessible triazolopyridinones I [R1 = H, Me, Ph, etc.; R2 = H, Me, F, etc., R3 = Et, OTBS, 2-thienyl, etc.; R1R2 = cyclpropyl, adamantan-1-yl, tetrahydrofuran-2-yl, etc.; R4 = H, 8-Cl, 6-COOEt, etc.] with diverse alkyl carboxylic acids as starting materials was reported. This enabled efficient preparation of more than 60 functionalized triazolopyridinones I under mild conditions in a sustainable manner. This method was evaluated for late stage modification of bioactive natural products, amino acids and pharmaceuticals, and it was further applied to decagram scale preparation of enantiopure triazolopyridinones. The control experiments supported a mechanism involving an oxidative cyclization and 1,2-carbon migration. This facile and scalable rearrangement demonstrated power of electrochem. synthesis to access otherwise-inaccessible triazolopyridinones and may find wide application in organic, material and medicinal chem.

Nature Communications published new progress about Carboxylic acids Role: RCT (Reactant), RACT (Reactant or Reagent). 104-01-8 belongs to class isoquinoline, name is 4-Methoxyphenylacetic acid, and the molecular formula is C9H10O3, Recommanded Product: 4-Methoxyphenylacetic acid.

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

van der Heijden, Gydo published the artcileEfficient Diastereoselective Three-Component Synthesis of Pipecolic Amides, Quality Control of 104-01-8, the main research area is pipecolic acid amide diastereoselective preparation; piperideine preparation Ugi reaction; argatroban stereoselective preparation; stereoselective Ugi reaction piperideine isocyanide carboxylic acid.

An efficient Ugi-type three-component reaction (U-3CR) of isocyanides, carboxylic acids and 4-substituted Δ1-piperideines for the synthesis of pipecolic amides such as I is reported. Hydrogenation of 4-substituted pyridines (prepared by alkylation of 4-picoline with alkyl bromides) yielded the 4-substituted piperidines or their hydrochloride salts; oxidation of the piperidines with NCS yielded the Δ1-piperideines which were used without purification The method was used to prepare the anticoagulant argatroban.

European Journal of Organic Chemistry published new progress about Carboxylic acids Role: RCT (Reactant), RACT (Reactant or Reagent). 104-01-8 belongs to class isoquinoline, name is 4-Methoxyphenylacetic acid, and the molecular formula is C9H10O3, Quality Control of 104-01-8.

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Lu, Dong published the artcileCopper-Catalyzed Regioselective Olefination and Trifluoromethylation of Carboxylic Acids To Give (Z)-Trifluoromethyl Enol Esters, Formula: C9H10O3, the main research area is aryl carboxylic acid trifluoromethyl trimethylsilane copper catalyst olefination trifluoromethylation; trifluoromethyl trimethylsilane aryl ether copper catalyst olefination trifluoromethylation; trifluoromethylenol ester regioselective diastereoselective preparation.

A method to produce (Z)-trifluoromethyl enol esters via the olefination and trifluoromethylation of carboxylic acids with TMSCF3 was reported. This synthetic method used inexpensive and easy-to-handle TMSCF3. It employed a com. available CuCl catalyst to transform a broad range of carboxylic acids into versatile (Z)-trifluoromethyl enol esters with good regio- and stereoselectivity. This protocol allowed the concise synthesis of highly functionalized (Z)-trifluoromethyl enol esters directly from carboxylic acids.

Organic Letters published new progress about Carboxylic acids Role: RCT (Reactant), RACT (Reactant or Reagent). 104-01-8 belongs to class isoquinoline, name is 4-Methoxyphenylacetic acid, and the molecular formula is C9H10O3, Formula: C9H10O3.

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Li, Qi Yukki published the artcileDecarboxylative cross-nucleophile coupling via ligand-to-metal charge transfer photoexcitation of Cu(II) carboxylates, Safety of 4-Methoxyphenylacetic acid, the main research area is carboxylic acid nucleophile decarboxylative cross coupling photo chem.

Reactions that enable carbon-nitrogen, carbon-oxygen and carbon-carbon bond formation lie at the heart of synthetic chem. However, substrate prefunctionalization is often needed to effect such transformations without forcing reaction conditions. The development of direct coupling methods for abundant feedstock chems. is therefore highly desirable for the rapid construction of complex mol. scaffolds. Herein, a copper-mediated, net-oxidative decarboxylative coupling of carboxylic acids with diverse nucleophiles under visible-light irradn is reported. Preliminary mechanistic studies suggest that the relevant chromophore in this reaction is a Cu(II) carboxylate species assembled in situ. Authors propose that visible-light excitation to a ligand-to-metal charge transfer (LMCT) state results in a radical decarboxylation process that initiates the oxidative cross-coupling. The reaction is applicable to a wide variety of coupling partners, including complex drug mols., suggesting that this strategy for cross-nucleophile coupling would facilitate rapid compound library synthesis for the discovery of new pharmaceutical agents.

Nature Chemistry published new progress about Carboxylic acids Role: RCT (Reactant), RACT (Reactant or Reagent). 104-01-8 belongs to class isoquinoline, name is 4-Methoxyphenylacetic acid, and the molecular formula is C9H10O3, Safety of 4-Methoxyphenylacetic acid.

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Brauer, Jan published the artcileNickel-Mediated Photoreductive Cross Coupling of Carboxylic Acid Derivatives for Ketone Synthesis, SDS of cas: 104-01-8, the main research area is ketone preparation; carboxylic acid photoreductive cross coupling nickel; carboxylic acids; ketones; nickel; photocatalysis; radicals.

A simple visible light photochem., nickel-catalyzed synthesis of ketones from carboxylic acid-derived precursors is presented. Hantzsch ester (HE) functions as a cheap, green and strong photoreductant to facilitate radical generation and also engages in the Ni-catalytic cycle to restore the reactive species. With this dual role, HE allows for the coupling of a large variety of radicals (1°,2°, benzylic, α-oxy & α-amino) with aroyl and alkanoyl moieties, a new feature in reactions of this type. With both precursors deriving from abundant carboxylic acids, this protocol is a welcome addition to the organic chem. toolbox. The reaction proceeds under mild conditions without the need for toxic metal reagents or bases and shows a wide scope, including pharmaceuticals and complex mol. architectures.

Chemistry – A European Journal published new progress about Carboxylic acids Role: RCT (Reactant), RACT (Reactant or Reagent). 104-01-8 belongs to class isoquinoline, name is 4-Methoxyphenylacetic acid, and the molecular formula is C9H10O3, SDS of cas: 104-01-8.

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Wang, Shuaishuai published the artcileDecarboxylative tandem C-N coupling with nitroarenes via SH2 mechanism, Recommanded Product: 4-Methoxyphenylacetic acid, the main research area is aryl tertiary amine preparation; nitroarene carboxylic acid tandem decarboxylative coupling iron catalyst photochem.

In this paper, a radical tandem C-N coupling strategy to efficiently construct aromatic tertiary amines from com. available carboxylic acids and nitroarenes was developed. A variety of aromatic tertiary amines were furnished in good yields (up to 98%) with excellent functional group compatibility under mild reaction conditions. The use of two different carboxylic acids also allowed for the concise synthesis of nonsym. aromatic tertiary amines in satisfactory yields. Mechanistic studies suggested the intermediacy of the arylamine-(TPP)Fe(III) species and might provide a possible evidence for an SH2 (bimol. homolytic substitution) pathway in the critical C-N bond formation step.

Nature Communications published new progress about Carboxylic acids Role: RCT (Reactant), RACT (Reactant or Reagent). 104-01-8 belongs to class isoquinoline, name is 4-Methoxyphenylacetic acid, and the molecular formula is C9H10O3, Recommanded Product: 4-Methoxyphenylacetic acid.

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem

Roque, Ana Carolina Abbud Hanna published the artcileConformational analysis for infrared spectroscopy and theoretical calculations of some 2-bromo-2-propyl 2-aryl-acetates, ibuprofen and naproxen analogs, Application of 4-Methoxyphenylacetic acid, the main research area is bromopropyl arylacetate ibuprofen naproxen analog conformation IR spectroscopy.

Conformational anal. of new para-substituted 2-bromo-2-Pr 2-aryl-acetates (Y = H, OMe, Cl, and NO2) (R1), ibuprofen (R2), and naproxen (R3) analogs using IR (IR) spectroscopy and theor. calculations was performed to determine the preferential conformers of these compounds in solvents with increasing polarity (CCl4, CH3Cl, and CH3CN). The aryl-bromo-esters were synthesized via the esterification of 2-bromo-2-methylpropan-1-ol and the corresponding carboxylic acids, with good yields (∼36-70%). The IR spectra showed that these compounds presented only one conformation, and the exptl. data were supported by the theor. results obtained by d. functional theory (DFT) calculations using the 6311+G (2df, 2p) basis set. The calculations revealed that all the studied compounds presented two stable geometric conformations, which agrees with the data obtained exptl. in CCl4. Theses conformers are stabilized by intramol. hydrogen bonds. However, the orbital interaction calculations using the natural bond orbital (NBO) method showed that the ηO→σ*C-C,ηO→σ*C-O, ηO→σ*C-O and ηO→π*C-O hyper-conjugations are the main interactions that stabilize the conformations. The compounds preferentially adopt the anti-conformation because the steric effect between the gauche bromo and oxygen atoms overrides the hyper-conjugative interactions, in addition to the stabilizing σC-H→ σ*C-Br interactions in the conformers.

Journal of Molecular Structure published new progress about Carboxylic acids Role: RCT (Reactant), RACT (Reactant or Reagent). 104-01-8 belongs to class isoquinoline, name is 4-Methoxyphenylacetic acid, and the molecular formula is C9H10O3, Application of 4-Methoxyphenylacetic acid.

Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem