Heterocyclic Building Blocks-Benzisoxazole

Authors Meng, QY; Schirmer, TE; Berger, AL; Donabauer, K; Konig, B in AMER CHEMICAL SOC published article about CARBON-DIOXIDE; VISIBLE-LIGHT; CATALYZED CARBOXYLATION; REDUCTION POTENTIALS; ALKENES; CO2; CARBONYLATION; RADICALS; HALIDES; SYSTEM in [Meng, Qing-Yuan; Schirmer, Tobias E.; Berger, Anna Lucia; Donabauer, Karsten; Koenig, Burkhard] Univ Regensburg, Inst Organ Chem, Fac Chem & Pharm, D-93040 Regensburg, Germany in 2019, Cited 58. Safety of 2-Phenylbutanoic acid. The Name is 2-Phenylbutanoic acid. Through research, I have a further understanding and discovery of 90-27-7

The carboxylation of sp(3)-hybridized C-H bonds with CO2 is a challenging transformation. Herein, we report a visible-light-mediated carboxylation of benzylic C-H bonds with CO2 into 2-arylpropionic acids under metal-free conditions. Photo-oxidized triisopropylsilanethiol was used as the hydrogen atom transfer catalyst to afford a benzylic radical that accepts an electron from the reduced form of 2,3,4,6-tetra(9H-carbazol-9-yl)-5-(1-phenylethyl)benzonitrile generated in situ. The resulting benzylic carbanion reacts with CO2 to generate the corresponding carboxylic acid after protonation. The reaction proceeded without the addition of any sacrificial electron donor, electron acceptor or stoichiometric additives. Moderate to good yields of the desired products were obtained in a broad substrate scope. Several drugs were successfully synthesized using the novel strategy.

Welcome to talk about 90-27-7, If you have any questions, you can contact Meng, QY; Schirmer, TE; Berger, AL; Donabauer, K; Konig, B or send Email.. Safety of 2-Phenylbutanoic acid

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

In 2019 ANGEW CHEM INT EDIT published article about PRACTICAL CHIRAL AUXILIARY; ENANTIOSELECTIVE PROTONATION; BRONSTED ACID; DISILYL ACETALS; ENOL ETHERS; ALKYLATION; PSEUDOEPHEDRINE; GENERATION; ALDEHYDES in [Mandrelli, Francesca; Blond, Aurelie; James, Thomas; Kim, Hyejin; List, Benjamin] Max Planck Inst Kohlenforsch, Kaiser Wilhelm Pl 1, D-45470 Mulheim, Germany in 2019, Cited 52. The Name is 2-Phenylbutanoic acid. Through research, I have a further understanding and discovery of 90-27-7. Application In Synthesis of 2-Phenylbutanoic acid

We report a highly enantioselective catalytic protonation of bis-silyl ketene acetals. Our method delivers alpha-branched carboxylic acids, including nonsteroidal anti-inflammatory arylpropionic acids such as Ibuprofen, in high enantiomeric purity and high yields. The process can be incorporated in an overall deracemization of alpha-branched carboxylic acids, involving a double deprotonation and silylation followed by the catalytic asymmetric protonation.

Welcome to talk about 90-27-7, If you have any questions, you can contact Mandrelli, F; Blond, A; James, T; Kim, H; List, B or send Email.. Application In Synthesis of 2-Phenylbutanoic acid

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

Soni, VK; Lee, S; Kang, J; Moon, YK; Hwang, HS; You, Y; Cho, EJ in [Soni, Vineet Kumar; Kang, Jihee; Hwang, Ho Seong; Cho, Eun Jin] Chung Ang Univ, Dept Chem, 84 Heukseok Ro, Seoul 06974, South Korea; [Lee, Sumin; Moon, Yu Kyung; You, Youngmin] Ewha Womans Univ, Div Chem Engn & Mat Sci, Seoul 03760, South Korea published Reactivity Tuning for Radical-Radical Cross-Coupling via Selective Photocatalytic Energy Transfer: Access to Amine Building Blocks in 2019, Cited 82. Formula: C10H12O2. The Name is 2-Phenylbutanoic acid. Through research, I have a further understanding and discovery of 90-27-7.

Reductive N-O bond cleavage has been widely explored for providing either N or O radical species for various coupling processes. Despite significant advances, this photoredox pathway is less appealing due to poor atom economy owing to the loss of one fragment during the transformation. In this regard, the homolytic N-O bond cleavage by an energy-transfer pathway to provide two key radicals would be highly desirable for overcoming the limitations of the use of one fragment. We report an exclusive energy-transfer approach for the development of a challenging radical-radical C(sp(3))-N cross-coupling process by reactivity-tuning of the catalytic system. The homolytic N-O bond cleavage of oxime esters in the presence of an Ir complex produces acyloxy and iminyl radicals, which undergo decarboxylative cross-coupling to yield valuable imines (typically 0.25 mol % cat. and 1 h reaction time). Extensive photophysical and electrochemical measurements, as well as density functional theory studies, were carried out to probe the mechanism and the operation of a Dexter-type energy-transfer pathway was revealed. The choice of solvent (EtOAc) and reaction concentration were critical for achieving the selectivity and reactivity in this cross-coupling process. The synthetic utility of this method was explored by studying highly functionalized oxime esters, including derivatives of biologically active natural products and drug molecules. Furthermore, in situ transformations of the imine products into pharmaceutically important amines were also demonstrated, showcasing the utility of the imine products as valuable amine building blocks.

Formula: C10H12O2. Welcome to talk about 90-27-7, If you have any questions, you can contact Soni, VK; Lee, S; Kang, J; Moon, YK; Hwang, HS; You, Y; Cho, EJ or send Email.

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

Recently I am researching about ALIPHATIC CARBOXYLIC-ACIDS; CROSS-COUPLING REACTIONS; REDOX-ACTIVE ESTERS; REGIOSELECTIVE SYNTHESIS; PHOTOREDOX; LIGHT; ARYLATION; STRATEGY; HALIDES, Saw an article supported by the National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [21722203, 21831002, 21801116]; Guangdong Provincial Key Laboratory of Catalysis [2020B121201002]; Guangdong Innovative Program [2019BT02Y335]; Shenzhen Nobel Prize Scientists Laboratory Project [C17783101]; SUSTech Special Fund for the Construction of High-Level Universities [G02216303]. Recommanded Product: 2-Phenylbutanoic acid. Published in WILEY-V C H VERLAG GMBH in WEINHEIM ,Authors: Xia, HD; Li, ZL; Gu, QS; Dong, XY; Fang, JH; Du, XY; Wang, LL; Liu, XY. The CAS is 90-27-7. Through research, I have a further understanding and discovery of 2-Phenylbutanoic acid

We describe a photoinduced copper-catalyzed asymmetric radical decarboxylative alkynylation of bench-stable N-hydroxyphthalimide(NHP)-type esters of racemic alkyl carboxylic acids with terminal alkynes, which provides a flexible platform for the construction of chiral C(sp(3))-C(sp) bonds. Critical to the success of this process are not only the use of the copper catalyst as a dual photo- and cross-coupling catalyst but also tuning of the NHP-type esters to inhibit the facile homodimerization of the alkyl radical and terminal alkyne, respectively. Owing to the use of stable and easily available NHP-type esters, the reaction features a broader substrate scope compared with reactions using the alkyl halide counterparts, covering (hetero)benzyl-, allyl-, and aminocarbonyl-substituted carboxylic acid derivatives, and (hetero)aryl and alkyl as well as silyl alkynes, thus providing a vital complementary approach to the previously reported method.

Recommanded Product: 2-Phenylbutanoic acid. Welcome to talk about 90-27-7, If you have any questions, you can contact Xia, HD; Li, ZL; Gu, QS; Dong, XY; Fang, JH; Du, XY; Wang, LL; Liu, XY or send Email.

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

Authors Atmaca, U in PERGAMON-ELSEVIER SCIENCE LTD published article about ANALOGS; INHIBITORS in [Atmaca, Ufuk] Ataturk Univ, Fac Sci, Dept Chem, TR-25240 Erzurum, Turkey; [Atmaca, Ufuk] Ataturk Univ, Oltu Vocat Sch, TR-25400 Oltu Erzurum, Turkey in 2019, Cited 14. HPLC of Formula: C10H12O2. The Name is 2-Phenylbutanoic acid. Through research, I have a further understanding and discovery of 90-27-7

Effective synthesis of novel sulfamates from various carboxylic acids has been developed in the presence of chlorosulfonyl isocyanate (CSI) in mild conditions. Several acids, bases and solvents effects were investigated for one-pot synthesis sulfamates as a catalyst. Finally, triflic acid was found to possess efficiently under optimized conditions in acetonitrile. This method is easy, fair price and practical. It can be synthesized on grams and milligrams scale. (C) 2019 Elsevier Ltd. All rights reserved.

HPLC of Formula: C10H12O2. Welcome to talk about 90-27-7, If you have any questions, you can contact Atmaca, U or send Email.

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

Recently I am researching about SP(3) C-H; CARBOXYLIC-ACIDS; COUPLING CDC; ESTERIFICATION; BOND; ACTIVATION; ALDEHYDES; C(SP(3))-H; COMPLEXES; ALKYLBENZENES, Saw an article supported by the Council of Scientific & Industrial Research (CSIR), New DelhiCouncil of Scientific & Industrial Research (CSIR) – India [01(5234)/15]; Department of Science & Technology (DST)Department of Science & Technology (India) [YSS/2015/001552]; CSIRCouncil of Scientific & Industrial Research (CSIR) – India; UGCUniversity Grants Commission, India; IIESTS. SDS of cas: 90-27-7. Published in ELSEVIER SCIENCE SA in LAUSANNE ,Authors: Mondal, R; Chakraborty, G; van Vliet, KM; van Leest, NP; de Bruin, B; Paul, ND. The CAS is 90-27-7. Through research, I have a further understanding and discovery of 2-Phenylbutanoic acid

Herein, we report a general, efficient and solvent-free method for the one-pot synthesis of allylic esters via dehydrogenation of unactivated alkanes and subsequent oxidative cross coupling with different substituted carboxylic acids. A simple, well defined and air stable Cu(II)-complex, [Cu(MeTAA)], featuring a tetraazamacrocyclic ligand (tetramethyltetraaza[14]annulene (MeTAA)) is used as the catalyst. A wide variety substituted allylic esters were synthesized in high yields starting from readily available starting materials. Control reactions were carried out to understand the reaction sequence and the plausible mechanism.

SDS of cas: 90-27-7. Welcome to talk about 90-27-7, If you have any questions, you can contact Mondal, R; Chakraborty, G; van Vliet, KM; van Leest, NP; de Bruin, B; Paul, ND or send Email.

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

I found the field of Chemistry very interesting. Saw the article Harnessing Applied Potential: Selective beta-Hydrocarboxylation of Substituted Olefins published in 2020. COA of Formula: C10H12O2, Reprint Addresses Malkov, AV; Buckley, BR (corresponding author), Loughborough Univ, Sch Sci, Dept Chem, Loughborough LE11 3TU, Leics, England.. The CAS is 90-27-7. Through research, I have a further understanding and discovery of 2-Phenylbutanoic acid

The construction of carboxylic acid compounds in a selective fashion from low value materials such as alkenes remains a long-standing challenge to synthetic chemists. In particular, beta-addition to styrenes is underdeveloped. Herein we report a new electrosynthetic approach to the selective hydrocarboxylation of alkenes that overcomes the limitations of current transition metal and photochemical approaches. The reported method allows unprecedented direct access to carboxylic acids derived from beta,beta-trisubstituted alkenes, in a highly regioselective manner.

COA of Formula: C10H12O2. Welcome to talk about 90-27-7, If you have any questions, you can contact Alkayal, A; Tabas, V; Montanaro, S; Wright, IA; Malkov, AV; Buckley, BR or send Email.

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

Formula: C10H12O2. In 2021 ADV SYNTH CATAL published article about CARBON BOND FORMATION; CLAISEN CONDENSATION; PRACTICAL SYNTHESIS; SOFT ENOLIZATION; MICHAEL ADDITION; ACID; BIOSYNTHESIS; DISCOVERY; KETONES; TRIFLUMEZOPYRIM in [Yang, Xinyue; Ma, Yanrong; Di, Huiming; Wang, Xiaochen; Jin, Hui; Zhang, Lixin] Shenyang Univ Chem Technol, Inst Funct Mol, Shenyang 110142, Peoples R China; [Yang, Xinyue; Ma, Yanrong; Di, Huiming; Wang, Xiaochen; Jin, Hui; Zhang, Lixin] Natl Local Joint Engn Lab Dev Boron & Magnesium R, Shenyang 110142, Peoples R China; [Yang, Xinyue; Ma, Yanrong; Di, Huiming; Wang, Xiaochen; Jin, Hui; Zhang, Lixin] Liaoning Prov Key Lab Green Funct Mol Design & De, Shenyang 110142, Peoples R China; [Ryu, Do Hyun] Sungkyunkwan Univ, Dept Chem, Suwon 440746, South Korea in 2021, Cited 53. The Name is 2-Phenylbutanoic acid. Through research, I have a further understanding and discovery of 90-27-7.

An efficient method for targeting a variety of symmetrical and asymmetrical alpha-substituted dithiomalonates (DTMs) is described, utilizing 1H-imidazole-1-carbothioates as reactive acylating agents and MgBr2 center dot OEt2/DBU or LiHMDS for soft or hard enolization conditions of thioesters, respectively. The utility of this methodology was demonstrated through the synthesis of the pyridopyrimidine mesoionic insecticides: triflumezopyrim and dicloromezotiaz.

Formula: C10H12O2. Welcome to talk about 90-27-7, If you have any questions, you can contact Yang, XY; Ma, YR; Di, HM; Wang, XC; Jin, H; Ryu, DH; Zhang, LX or send Email.

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

Application In Synthesis of 2-Phenylbutanoic acid. I found the field of Chemistry very interesting. Saw the article Mechanistic Insights into Copper-Catalyzed Carboxylations published in 2020, Reprint Addresses Hopmann, KH (corresponding author), UiT Arctic Univ Norway, Hylleraas Ctr Quantum Mol Sci, Dept Chem, N-9037 Tromso, Norway.; Bayer, A (corresponding author), UiT Arctic Univ Norway, Dept Chem, N-9037 Tromso, Norway.. The CAS is 90-27-7. Through research, I have a further understanding and discovery of 2-Phenylbutanoic acid.

The copper-NHC-catalyzed carboxylation of organo-boranes with CO2 was investigated using computational and experimental methods. The DFT and DLPNO-CCSD(T) results indicate that nonbenzylic substrates are converted via an inner-sphere carboxylation of an organocopper intermediate, whereas benzylic substrates may simultaneously proceed along both inner- and outer-sphere CO2 insertion pathways. Interestingly, the computations predict that two conceptually different carboxylation mechanisms are possible for benzylic organoboranes, one being copper-catalyzed and one being mediated by the reaction additive CsF. Our experimental evaluation of the computed reactions confirms that carboxylation of nonbenzylic substrates requires copper catalysis, whereas benzylic substrates can be carboxylated with and without copper.

Application In Synthesis of 2-Phenylbutanoic acid. Welcome to talk about 90-27-7, If you have any questions, you can contact Obst, MF; Gevorgyan, A; Bayer, A; Hopmann, KH or send Email.

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

I found the field of Biochemistry & Molecular Biology; Biotechnology & Applied Microbiology; Engineering very interesting. Saw the article Modeling and optimization of lipase-catalyzed hydrolysis for production of (S)-2-phenylbutyric acid enhanced by hydroxyethyl-beta-cyclodextrin published in 2019. HPLC of Formula: C10H12O2, Reprint Addresses Tang, KW (corresponding author), Hunan Inst Sci & Technol, Dept Chem & Chem Engn, Yueyang 414000, Hunan, Peoples R China.. The CAS is 90-27-7. Through research, I have a further understanding and discovery of 2-Phenylbutanoic acid

An efficient reactive system was established to produce (S)-2-phenylbutyric acid (2-PBA) through the enzymatic enantioselective hydrolysis of 2-phenylbutyrate ester (2-PBAE) in aqueous medium. Lipase CALA from Canadian antarctica and hexyl 2-phenylbutyrate (2-PBAHE) were identified upon screening as the best enzyme and substrate, respectively. Adding hydroxyethyl-beta-cyclodextrin (HE-beta-CD) to improve the solubility of the substrate resulted in a 1.5 times increase in substrate conversion while retaining a high enantioselectivity compared with that when HE-beta-CD was not added. The effects of lipase concentration, substrate concentration and HE-beta-CD concentration, temperature, pH, and reaction time on enantiomeric excess and conversion rate were investigated, and the optimal conditions were identified using response surface methodology (RSM). Under the optimal conditions, namely 50 mg/mL lipase CALA, 30 mmol/L substrate, 60 mmol/L HE-beta-CD, pH of 6.5, temperature of 83 degrees C and reaction time of 18 h, the enantiomeric excess and overall conversion rate were 96.05% and 27.28%, respectively. This work provides an efficient alternative method for improving the conversion of aromatic ester substrates by including beta-cyclodextrin in an aqueous hydrolysis reaction system.

HPLC of Formula: C10H12O2. Welcome to talk about 90-27-7, If you have any questions, you can contact Zhang, PL; Cheng, Q; Xu, WF; Tang, KW or send Email.

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