Tag: M.W=100-150

Deng, XY; Zhang, YD; Chen, Z; Kumata, K; Van, R; Rong, J; Shao, T; Hatori, A; Mori, W; Yu, QZ; Hu, K; Fujinaga, M; Wey, HY; Shao, YH; Josephson, L; Murtas, G; Pollegioni, L; Zhang, MR; Liang, S in [Deng, Xiaoyun; Chen, Zhen; Rong, Jian; Shao, Tuo; Yu, Qingzhen; Wey, Hsiao-Ying; Josephson, Lee; Liang, Steven] Massachusetts Gen Hosp, Dept Radiol, 55 Fruit St, Boston, MA 02114 USA; [Deng, Xiaoyun; Chen, Zhen; Rong, Jian; Shao, Tuo; Yu, Qingzhen; Wey, Hsiao-Ying; Josephson, Lee; Liang, Steven] Harvard Med Sch, 55 Fruit St, Boston, MA 02114 USA; [Zhang, Yiding; Kumata, Katsushi; Hatori, Akiko; Mori, Wakana; Hu, Kuan; Fujinaga, Masayuki; Zhang, Ming-Rong] Natl Inst Quantum & Radiol Sci & Technol, Natl Inst Radiol Sci, Dept Radiopharmaceut Dev, Chiba 2638555, Japan; [Van, Richard; Shao, Yihan] Univ Oklahoma, Dept Chem & Biochem, Norman, OK 73019 USA; [Murtas, Giulia; Pollegioni, Loredano] Univ Insubria, Dipartimento Biotecnol & Sci Vita, I-21100 Varese, Italy published Synthesis and preliminary evaluation of 4-hydroxy-6-(3-[C-11]methoxyphenethyl)pyridazin-3(2H)-one, a C-11-labeled D-amino acid oxidase (DAAO) inhibitor for PET imaging in 2020.0, Cited 45.0. Category: indole-building-block. The Name is Benzyl Alcohol. Through research, I have a further understanding and discovery of 100-51-6.

Selective DAAO inhibitors have demonstrated promising therapeutic effects in clinical studies, including clinically alleviating symptoms of schizophrenic patients and ameliorating cognitive function in Alzheimer’s patients with early phase. Herein we report the synthesis and preliminary evaluation of a C-11-labeled positron emission tomography ligand based on a DAAO inhibitor, DAO-1903 (8). C-11-Isotopologue of 8 was prepared in high radiochemical yield with high radiochemical purity (> 99%) and high molar activity (> 37 GBq/umol). In vitro autoradiography studies indicated that the ligand possessed high in vitro specific binding to DAAO, while in vivo dynamic PET studies demonstrated that [C-11]8 failed to cross the blood-brain barrier possibly due to moderate brain efflux mechanism. Further chemical scaffold optimization is necessary to overcome limited brain permeability and improve specific binding.

Category: indole-building-block. About Benzyl Alcohol, If you have any questions, you can contact Deng, XY; Zhang, YD; Chen, Z; Kumata, K; Van, R; Rong, J; Shao, T; Hatori, A; Mori, W; Yu, QZ; Hu, K; Fujinaga, M; Wey, HY; Shao, YH; Josephson, L; Murtas, G; Pollegioni, L; Zhang, MR; Liang, S or concate me.

Reference:
Indole alkaloid derivatives as building blocks of natural products from Bacillus thuringiensis and Bacillus velezensis and their antibacterial and antifungal activity study,
,Preparation of Indole Containing Building Blocks for the Regiospecific Construction of Indole Appended Pyrazoles and Pyrroles

An article Selective functionalisation of aromatic alcohols with supramolecularly regulated gold(i) catalysts WOS:000544472100005 published article about H BOND FUNCTIONALIZATION; ASYMMETRIC HYDROFORMYLATION; INSERTION; PHENOLS; LIGAND; APPROXIMATION; REACTIVITY; COMPLEXES; PRODUCTS; ORIGINS in [Carreras, Lucas; Vidal-Ferran, Anton] Inst Chem Res Catalonia ICIQ, Av Paisos Catalans 16, Tarragona 43007, Spain; [Franconetti, Antonio; Frontera, Antonio] Univ Illes Balears, Dept Quim, Crta Valldemossa Km 7-5, Palma De Mallorca 07122, Spain; [Grabulosa, Arnald; Vidal-Ferran, Anton] Univ Barcelona, Dept Inorgan & Organ Chem, Sect Inorgan Chem, Carrer Marti i Franques 1-11, Barcelona 08028, Spain; [Vidal-Ferran, Anton] ICREA, Pg Lluis Co 23, Barcelona 08010, Spain in 2020.0, Cited 64.0. Recommanded Product: 150-19-6. The Name is m-Methoxyphenol. Through research, I have a further understanding and discovery of 150-19-6

Phosphite-based Au(i) catalytic systems containing an array of structurally diverse polyether-based regulation sites were designed and synthesised. These catalysts have been successfully tested in the Au(i)-catalysed C-H functionalisation of phenols and related derivatives with gold-carbenes derived from diazo compounds. Regulation of the steric congestion around the catalytic Au(i) centreviaion-dipole interactions with an external regulation agent led to an enhancement of both the activity and selectivity of the reaction. This new approach in supramolecular gold(i) catalysis has been applied to the derivatisation of an array of substituted phenols and related substrates and to the preparation of an advanced synthetic intermediate of the anticancer agent tamoxifen. The effects of the regulation agent on the selectivity and yield of the reaction have been studied and rationalised using DFT-D calculations.

About m-Methoxyphenol, If you have any questions, you can contact Carreras, L; Franconetti, A; Grabulosa, A; Frontera, A; Vidal-Ferran, A or concate me.. Recommanded Product: 150-19-6

Reference:
Indole alkaloid derivatives as building blocks of natural products from Bacillus thuringiensis and Bacillus velezensis and their antibacterial and antifungal activity study,
,Preparation of Indole Containing Building Blocks for the Regiospecific Construction of Indole Appended Pyrazoles and Pyrroles

An article Synthesis and antitumor activity of sacroflavonoside WOS:000479490300001 published article about CELL; RESVERATROL; APOPTOSIS; AUTOPHAGY; CASPASE-3; PROGNOSIS in [Wang, Qinghu; Xin, Ying; Pa, Biligetu; He, Xiang; Bao, Wenqiang] Inner Mongolia Univ Nationalities, Coll Tradit Mongolian Med, Tongliao 028000, Inner Mongolia, Peoples R China in 2021, Cited 19. The Name is 4-Methoxybenzaldehyde. Through research, I have a further understanding and discovery of 123-11-5. Computed Properties of C8H8O2

Sacroflavonoside, a new derivative of diphenylethene, was isolated from Artemisia sacrorum, which have been found to possess the inhibitory effect on the proliferation of gastric carcinoma cells (MKN-45) in vitro in our previous studies. With anisaldehyde (SM-A) as starting material, the sacroflavonoside was synthesized by nucleophilic addition, electrophilic substitution and dehydration cyclization. The structure of sacroflavonoside was established by 1 D (H-1 NMR and C-13 NMR) and 2 D-NMR (HSQC and HMBC) spectral analysis. The antitumor activity and potential mechanism against MKN-45 cells of sacroflavonoside were evaluated in vitro. The results showed that sacroflavonoside could significantly induce MKN-45 cells apoptosis and autophagy by increasing the expression of Bax, Caspase-3, Beclin1 and LC3-II proteins and decreasing the expression of Bcl-2 protein at low micromole level. This investigation provided a valuable lead structure for the development of antitumor drugs. [GRAPHICS] .

Computed Properties of C8H8O2. About 4-Methoxybenzaldehyde, If you have any questions, you can contact Wang, QH; Xin, Y; Pa, B; He, X; Bao, WQ or concate me.

Reference:
Indole alkaloid derivatives as building blocks of natural products from Bacillus thuringiensis and Bacillus velezensis and their antibacterial and antifungal activity study,
,Preparation of Indole Containing Building Blocks for the Regiospecific Construction of Indole Appended Pyrazoles and Pyrroles

Authors Hu, ZY; Belitz, F; Zhang, GD; Papp, F; Goossen, LJ in AMER CHEMICAL SOC published article about DIRECT ORTHO ARYLATION; CARBOXYLIC-ACIDS; BENZOIC-ACIDS; BOND; PALLADIUM; HYDROARYLATION; OLEFINATION; ARYL; ALKYNES; ACTIVATION in [Hu, Zhiyong; Belitz, Florian; Zhang, Guodong; Papp, Florian; Goossen, Lukas J.] Ruhr Univ Bochum, Evonik Chair Organ Chem, D-44801 Bochum, Germany in 2021, Cited 68. HPLC of Formula: C5H8O2. The Name is (E)-2-Methylbut-2-enoic acid. Through research, I have a further understanding and discovery of 80-59-1

In the presence of [p-cymene)RuCl2](2), (E)-configured alkenyl bromides couple with aromatic carboxylates to form orthovinylbenzoic acids. This C-H vinylation proceeds in high yields without any activating phosphine ligands and has an excellent functional group tolerance. Starting from commonly available (E/Z)-mixtures of alkenyl bromides, (E)-configured vinyl arenes or dienes are formed exclusively. Mechanistic studies show that this selectivity is achieved because the (E)configured alkenyl bromides undergo a smooth coupling, whereas the (Z)-isomers are rapidly eliminated with the formation of alkynes.

HPLC of Formula: C5H8O2. About (E)-2-Methylbut-2-enoic acid, If you have any questions, you can contact Hu, ZY; Belitz, F; Zhang, GD; Papp, F; Goossen, LJ or concate me.

Reference:
Indole alkaloid derivatives as building blocks of natural products from Bacillus thuringiensis and Bacillus velezensis and their antibacterial and antifungal activity study,
,Preparation of Indole Containing Building Blocks for the Regiospecific Construction of Indole Appended Pyrazoles and Pyrroles

Recommanded Product: 100-83-4. I found the field of Chemistry very interesting. Saw the article Arylation of Aldehydes To Directly Form Ketones via Tandem Nickel Catalysis published in 2019.0, Reprint Addresses Zhou, JRS (corresponding author), Peking Univ, Sch Chem Biol & Biotechnol, State Key Lab Chem Oncogen, Key Lab Chem Genom,Shenzhen Grad Sch, Shenzhen 518055, Peoples R China.. The CAS is 100-83-4. Through research, I have a further understanding and discovery of 3-Hydroxybenzaldehyde.

A nickel-catalyzed arylation of both aliphatic and aromatic aldehydes proceeds with air-stable (hetero)arylboronic acids, with an exceptionally wide substrate scope. The neutral condition tolerates acidic hydrogen and sensitive polar groups and also preserves alpha-stereocenters of some chiral aldehydes. Interestingly, this nickel(0) catalysis does not follow common 1,2-insertion of arylmetal species to aldehydes and beta-hydrogen elimination.

Recommanded Product: 100-83-4. About 3-Hydroxybenzaldehyde, If you have any questions, you can contact Lei, CH; Zhu, DY; Tangcueco, VT; Zhou, JRS or concate me.

Reference:
Indole alkaloid derivatives as building blocks of natural products from Bacillus thuringiensis and Bacillus velezensis and their antibacterial and antifungal activity study,
,Preparation of Indole Containing Building Blocks for the Regiospecific Construction of Indole Appended Pyrazoles and Pyrroles

In 2020.0 INJURY published article about TGF-BETA; GROWTH-FACTOR; CELL-MEMBRANE; IN-VITRO; REPAIR; PATHOGENESIS; FIBROBLASTS; MECHANISMS; EXPRESSION; REDUCTION in [You, Tian; Bai, Lu; Zhang, Xintao; Chen, Peng; Zhang, Wentao] Peking Univ, Sports Med Dept, Shenzhen Hosp, 1120th Lianhua Rd, Shenzhen 518000, Guangdong, Peoples R China; [Yuan, Shufang] Peking Univ, Ultrason Imaging Dept, Shenzhen Hosp, Shenzhen 518000, Guangdong, Peoples R China in 2020.0, Cited 47.0. The Name is Benzyl Alcohol. Through research, I have a further understanding and discovery of 100-51-6. Safety of Benzyl Alcohol

Benzyl alcohol (BnOH) is a natural colorless liquid organic compound that plays an important role in bacteriostatic and anesthetic processes. It is also used to relieve the nerve and ganglionic pain. In this study, we assessed the effect of topical application of BnOH on the Achilles tendon healing process. Sprague Dawley rats were subjected to an experimentally induced wound in the tendon area and then randomized into four groups. Normal saline (0.5 mL) was applied to rats in control group, and BnOH at the concentrations of 0.5 mL 0.075%, 0.15%, 0.3% were applied to the BnOH treatment groups, respectively. Wound treatment with BnOH led to significantly faster functional recovery than with saline. Moreover, treatment of wounds with 0.3% BnOH accelerated the healing process faster than with 0.075% and 0.15% BnOH. Histological analysis of healed wounds that had been treated with BnOH showed more collagen and blood capillaries and fewer inflammatory cells compared to the control. To study the mechanism of the process, the expression of mRNA of TGF-beta 1, Smad2/3 and Smad7 and protein of TGF-beta 1, p-Smad2/3 and Smad7 were quantified by real-time PCR and Western blotting, respectively. Results of this study showed that wounds treated with BnOH significantly enhanced the expression of TGF-beta 1 and Smad2/3 and reduced the expression of Smad7. In general, the current study demonstrated that BnOH improved the recovery process of tendon healing through the promotion of collagen with angiogenesis and showed that TGF-beta plays a role in BnOH treatment of tendon healing. (C) 2020 Elsevier Ltd. All rights reserved.

Safety of Benzyl Alcohol. About Benzyl Alcohol, If you have any questions, you can contact You, T; Yuan, SF; Bai, L; Zhang, XT; Chen, P; Zhang, WT or concate me.

Reference:
Indole alkaloid derivatives as building blocks of natural products from Bacillus thuringiensis and Bacillus velezensis and their antibacterial and antifungal activity study,
,Preparation of Indole Containing Building Blocks for the Regiospecific Construction of Indole Appended Pyrazoles and Pyrroles

Product Details of 100-51-6. Yu, X; Dang, XQ; Li, SJ; Zhang, JL; Zhang, Q; Cao, L in [Yu, Xin; Dang, Xiaoqing; Li, Shijie; Zhang, Jinlong; Zhang, Qian; Cao, Li] Xian Univ Architecture & Technol, Sch Environm & Municipal Engn, Xian 710055, Peoples R China published A comparison of in- and post-plasma catalysis for toluene abatement through continuous and sequential processes in dielectric barrier discharge reactors in 2020.0, Cited 57.0. The Name is Benzyl Alcohol. Through research, I have a further understanding and discovery of 100-51-6.

In the non-thermal plasma catalysis system, VOCs degradation was significantly affected by the position of the catalyst, as well as operation mode. Hence, it is of great significance to evaluate the performance of In Plasma Catalysis (IPC) and Post Plasma Catalysis (PPC) systems for VOCs abatement using both continuous and sequential processes. Four packed-bed dielectric barrier discharge (DBD) systems were used to degrade toluene with different catalysts under diverse voltages in this study. Results showed that the IPC mineralization rates were higher as compared to PPC, regardless of whether the continuous or sequential processes was used, and irrespective of the applied voltage and type of packed catalyst (e.g. 77.00% and 96.06% in SPPC and SIPC at 20 kV with Ag/ZSM-5 packed). However, PPC was superior to IPC in O-3 and N2O reduction. As the applied voltage was raised, the mineralization rate in different reactors increased significantly, yet CO2 selectivity was insusceptible to voltage variation. NTP alone exhibited a mineralization rate and CO2 selectivity of 9.67%-22.62% and 53.85%-58.26%, respectively. While the mineralization rate and CO2 selectivity were remarkably improved with the presence of Ag/ZSM-5 (19.08%-41.59% and 93.99%-95.91% in CIPC). With respect to different catalysts investigated in this study, at 20 kV, Ag/ZSM-5 exhibited the highest mineralization rate – 96.06% in SIPC, and CO2 selectivity 98.43% in SPPC; while the lowest concentrations of O-3 (198 ppm) and N2O (8.01 ppm) were obtained in the Mn/ZSM-5 packed bed reactor. Possible reaction mechanisms were also proposed by analyzing the organic intermediates that were produced during continuous and sequential treatments, and remained in the adsorbents of IPC and PPC reactors. (C) 2020 Elsevier Ltd. All rights reserved.

About Benzyl Alcohol, If you have any questions, you can contact Yu, X; Dang, XQ; Li, SJ; Zhang, JL; Zhang, Q; Cao, L or concate me.. Product Details of 100-51-6

Reference:
Indole alkaloid derivatives as building blocks of natural products from Bacillus thuringiensis and Bacillus velezensis and their antibacterial and antifungal activity study,
,Preparation of Indole Containing Building Blocks for the Regiospecific Construction of Indole Appended Pyrazoles and Pyrroles

An article Quantum chemical study on the ozonolysis mechanism of guaiacol and the structure-reactivity relationship of phenols with hydroxyl, methoxy, and methyl substituents WOS:000664254400002 published article about ORGANIC AEROSOL FORMATION; GAS-PHASE OZONOLYSIS; KINETICS; OXIDATION; 2-METHOXYPHENOL; ATMOSPHERE; COMPOUND; PRODUCTS; RADICALS; PRIORITY in [Cao, Haijie; Wang, Kuikui; Yang, Zhengqiang; Wu, Shijie] Qingdao Univ, Coll Mat Sci & Engn, Inst Mat Energy & Environm, Qingdao 266071, Peoples R China; [Han, Dandan] Heze Univ, Sch Chem & Chem Engn, Heze 274015, Peoples R China in 2021.0, Cited 37.0. The Name is Mequinol. Through research, I have a further understanding and discovery of 150-76-5. COA of Formula: C7H8O2

Quantum chemical calculations with the M06-2X method were performed to uncover the ozonolysis mechanism of guaiacol and several hydroxylated, methoxylated, and methylated phenols to improve the understanding of the ozone-induced attenuation of phenolic compounds. The detailed kinetic properties were obtained by the transition state theory (TST) and the Rice – Ramsperger – Kassel – Marcus (RRKM) theory. Results confirm that the primary ozonides originated from guaiacol occupy considerably long retention time than the short-lived primary ozonides formed from vinyl-type compounds in the air. The TST rate constant of guaiacol ozonolysis is calculated with a value of 8.81 x 10-20 cm3 molecule-1 s-1 at room temperature. The RRKM results prove that the rate constant is positively dependent on temperature but shows no relation with pressure. The reactivity of substituted phenols exhibits a strong correlation with the ozone affinity of carbon atoms and the orbital energy difference (ELo-Hac) between the lowest unoccupied molecular orbital of O3 and the highest occupied molecular orbital of phenols. The substituents can reduce the value of ELo-Hac and improve the phenols’ reactivity, especially when they locate at the ortho- and para-position. The substituents also improve the ozone affinity of carbon atoms due to the electron-withdrawing effect. The methyl group delivers a moderate impact on the reactivity compared to hydroxyl and methoxy groups.

COA of Formula: C7H8O2. About Mequinol, If you have any questions, you can contact Cao, HJ; Wang, KK; Yang, ZQ; Wu, SJ; Han, DD or concate me.

Reference:
Indole alkaloid derivatives as building blocks of natural products from Bacillus thuringiensis and Bacillus velezensis and their antibacterial and antifungal activity study,
,Preparation of Indole Containing Building Blocks for the Regiospecific Construction of Indole Appended Pyrazoles and Pyrroles

In 2019.0 EUR J ORG CHEM published article about N-C CLEAVAGE; III-CATALYZED TRANSAMIDATION; SECONDARY AMIDES; TWISTED AMIDES; BIOLOGICAL EVALUATION; EFFICIENT CATALYST; PIPERLONGUMINE; CARBOXAMIDES; DERIVATIVES; NITROGEN in [Subramani, Muthuraman; Rajendran, Saravana Kumar] Vellore Inst Technol, Sch Adv Sci, Chem Div, Chennai 600127, Tamil Nadu, India in 2019.0, Cited 59.0. The Name is Benzyl Alcohol. Through research, I have a further understanding and discovery of 100-51-6. Recommanded Product: 100-51-6

Amides are indispensable building blocks of biological systems, pharmaceuticals, and materials. We report a highly selective method for the synthesis of amides via transamidation process. Transamidation of N-acyl-2-piperidones with a broad range of amines is demonstrated under exceedingly mild and metal-free reaction condition that relies on the amide bond twist to weaken the amidic resonance. Transamidation proceeds under the neat condition at room temperature, in short reaction times (30-90 min) with good yields. Considerable variation is tolerated with both amine and imide substrates. Of note, amines bearing carboxylic acids (glycine and serine) and hydroxyl groups (dopamine, tyramine, etc.) are well tolerated which are otherwise problematic under the metal-catalyzed protocol. Our current method is applicable for transamidation of both alkyl and aryl-N-acyl-2-piperidones. The practical value of the method is highlighted by the synthesis of four natural product amide alkaloids in high yields under mild reaction conditions. In the absence of nucleophilic amines, N-acyl-2-piperidones undergoes esterification with EtOH at elevated temperature. Single crystal X-ray analysis of an N-acyl-2-piperidone shows amide bond twist, tau = -20.39 degrees and pyramidalization, chi(N) = -11.73 degrees. This weakens the amidic conjugation and might be the factor controlling the reactivity and selectivity of these imides. We envision that the N-acyl-2-piperidone scaffold would be useful in the synthesis of pharmaceuticals and materials.

Recommanded Product: 100-51-6. About Benzyl Alcohol, If you have any questions, you can contact Subramani, M; Rajendran, SK or concate me.

Reference:
Indole alkaloid derivatives as building blocks of natural products from Bacillus thuringiensis and Bacillus velezensis and their antibacterial and antifungal activity study,
,Preparation of Indole Containing Building Blocks for the Regiospecific Construction of Indole Appended Pyrazoles and Pyrroles

Authors Ataie, F; Davoodnia, A; Khojastehnezhad, A in TAYLOR & FRANCIS LTD published article about ONE-POT SYNTHESIS; CONVENIENT SYNTHESIS; PYRAN DERIVATIVES; HETEROPOLY ACIDS; NIFE2O4; LIQUID in [Ataie, Farideh; Davoodnia, Abolghasem] Islamic Azad Univ, Mashhad Branch, Dept Chem, Mashhad 9175687119, Razavi Khorasan, Iran; [Khojastehnezhad, Amir] Ferdowsi Univ Mashhad, Fac Sci, Dept Chem, Mashhad 917751436, Razavi Khorasan, Iran in 2021, Cited 46. Product Details of 123-11-5. The Name is 4-Methoxybenzaldehyde. Through research, I have a further understanding and discovery of 123-11-5

In this study, a graphene oxide (GO) functionalized organic-inorganic hybrid was prepared by covalently immobilization of organic (3-aminopropyltrimethoxysilane) and inorganic (H3PMo12O40) groups on the basal plane of GO. Structure of catalyst was characterized with different analysis such as FT-IR, SEM, TEM, EDS, WDX, XRD, and TGA. All analyses approve the successful covalently immobilization of organic and inorganic parts on the GO. The activity of catalyst has been tested for the synthesis of tetrahydrobenzo[b]pyran derivatives under solvent-free condition in short reaction time and good to excellent yields. [GRAPHICS] .

Product Details of 123-11-5. About 4-Methoxybenzaldehyde, If you have any questions, you can contact Ataie, F; Davoodnia, A; Khojastehnezhad, A or concate me.

Reference:
Indole alkaloid derivatives as building blocks of natural products from Bacillus thuringiensis and Bacillus velezensis and their antibacterial and antifungal activity study,
,Preparation of Indole Containing Building Blocks for the Regiospecific Construction of Indole Appended Pyrazoles and Pyrroles