Day: October 13, 2021

Pei, XC; Zhou, G; Li, XJ; Xu, YC; Panicker, RC; Srinivasan, R in [Pei, Xiaocong; Zhou, Guan; Li, Xuejing; Xu, Yuchen; Panicker, Resmi C.; Srinivasan, Rajavel] Tianjin Univ, SPST, Bldg 24,92 Weijin Rd, Tianjin 300072, Peoples R China published Sterically controlled C-H/C-H homocoupling of arenes via C-H borylation in 2019, Cited 62. Quality Control of 1,3-Dimethoxybenzene. The Name is 1,3-Dimethoxybenzene. Through research, I have a further understanding and discovery of 151-10-0.

A mild one-pot protocol for the synthesis of symmetrical biaryls by sequential Ir-catalyzed C-H borylation and Cu-catalyzed homocoupling of arenes is described. The regiochemistry of the biaryl formed is sterically controlled as dictated by the C-H borylation step. The methodology is also successfully extended to heteroarenes. Some of the products obtained by this approach are impossible to obtain via the Ullmann or the Suzuki coupling protocols. Finally, we have shown a one-pot sequence describing C-H borylation/Cu-catalyzed homocoupling/Pd-catalyzed Suzuki coupling to obtain pi-extended arene frameworks.

Quality Control of 1,3-Dimethoxybenzene. About 1,3-Dimethoxybenzene, If you have any questions, you can contact Pei, XC; Zhou, G; Li, XJ; Xu, YC; Panicker, RC; Srinivasan, R or concate me.

Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com

In 2019.0 ADV SYNTH CATAL published article about LITHIUM-SELENIUM EXCHANGE; DIORGANYL DISELENIDES; CARBON-SELENIUM; BOND FORMATION; TELLURIUM; CHROMENES; CATALYSIS; METAL in [de Oliveira, Isadora M.] Univ Sao Paulo, Inst Quim, Dept Quim Fundamental, Sao Paulo, SP, Brazil; [Esteves, C. Henrique A.; Darbem, Mariana P.; Stefani, Helio A.] Univ Sao Paulo, Fac Ciencias Farmaceut, Dept Farm, Sao Paulo, SP, Brazil; [Pimenta, Daniel C.] Inst Butantan, Sao Paulo, SP, Brazil; [Zukerman-Schpector, Julio; Ferreira, Antonio G.] Univ Fed Sao Carlos, Dept Quim, Sao Carlos, SP, Brazil; [Manarin, Flavia] Univ Estadual Oeste Parana, CECE, Toledo, PR, Brazil in 2019.0, Cited 36.0. The Name is 2,5-Dimethoxybenzaldehyde. Through research, I have a further understanding and discovery of 93-02-7. Safety of 2,5-Dimethoxybenzaldehyde

The iron(III)-promoted synthesis of densely-substituted 4H-chalcogenchromene from organochalcogen propargylamines in the presence of diaryl dichalcogenides is reported. Subsequent C2-functionalization with electrophiles and potassium trifluoroborate salts via Suzuki-Miyaura coupling reaction are also presented. A plausible mechanism based on HRMS experiments is proposed and discussed.

About 2,5-Dimethoxybenzaldehyde, If you have any questions, you can contact de Oliveira, IM; Esteves, CHA; Darbem, MP; Pimenta, DC; Zukerman-Schpector, J; Ferreira, AG; Stefani, HA; Manarin, F or concate me.. Safety of 2,5-Dimethoxybenzaldehyde

Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com

An article Synthesis of benzotriazoles derivatives and their dual potential as alpha-amylase and alpha-glucosidase inhibitors in vitro: Structure-activity relationship, molecular docking, and kinetic studies WOS:000498308700017 published article about DRUG SYNTHESIS BIODS in [Hameed, Shehryar; Kanwal; Seraj, Faiza; Rafique, Rafaila; Khan, Khalid Mohammed] Univ Karachi, Int Ctr Chem & Biol Sci, HEJ Res Inst Chem, Karachi 75270, Pakistan; [Chigurupati, Sridevi] Qassim Univ, Coll Pharm, Dept Med Chem & Pharmacognosy, Buraydah 52571, Saudi Arabia; [Wadood, Abdul; Rehman, Ashfaq Ur] Abdul Wali Khan Univ, Dept Biochem, Computat Med Chem Lab, UCSS, Mardan, Pakistan; [Venugopal, Vijayan] AIMST Univ, Fac Pharm, Bedong 08100, Kedah, Malaysia; [Salar, Uzma] Univ Karachi, Int Ctr Chem & Biol Sci, Dr Panjwani Ctr Mol Med & Drug Res, Karachi 75270, Pakistan; [Taha, Muhammad; Khan, Khalid Mohammed] Imam Abdulrahman Bin Faisal Univ, IRMC, Dept Clin Pharm, POB 1982, Dammam 31441, Saudi Arabia in 2019, Cited 29. The Name is 2,6-Difluorobenzoic acid. Through research, I have a further understanding and discovery of 385-00-2. Quality Control of 2,6-Difluorobenzoic acid

Benzotriazoles (4-6) were synthesized which were further reacted with different substituted benzoic acids and phenacyl bromides to synthesize benzotriazole derivatives (7-40). The synthetic compounds (7-40) were characterized via different spectroscopic techniques including EI-MS, HREI-MS, H-1-, and C-13 NMR. These molecules were examined for their anti-hyperglycemic potential hence were evaluated for alpha-glucosidase and alpha-amylase inhibitory activities. All benzotriazoles displayed moderate to good inhibitory activity in the range of IC50 values of 2.00-5.6 and 2.04-5.72 mu M against alpha-glucosidase and alpha-amylase enzymes, respectively. The synthetic compounds were divided into two categories A and B, in order to understand the structure-activity relationship. Compounds 25 (IC50 = 2.41 +/- 131 mu M), (IC50 = 2.5 +/- 1.21 mu M), 36 (IC50= 2.12 +/- 1.35 M), (IC50 = 2.21 +/- 1.08 mu M), and 37 (IC50 = 2.00 +/- 1.22 mu M), (IC50 = 2.04 +/- 1.4 mu M) with chloro substitution/s at aryl ring were found to be most active against alpha-glucosidase and alpha-amylase enzymes. Molecular docking studies on all compounds were performed which revealed that chloro substitutions are playing a pivotal role in the binding interactions. The enzyme inhibition mode was also studied and the kinetic studies revealed that the synthetic molecules have shown competitive mode of inhibition against alpha-amylase and non-competitive mode of inhibition against alpha-glucosidase enzyme. (C) 2019 Elsevier Masson SAS. All rights reserved.

Quality Control of 2,6-Difluorobenzoic acid. About 2,6-Difluorobenzoic acid, If you have any questions, you can contact Hameed, S; Kanwal; Seraj, F; Rafique, R; Chigurupati, S; Wadood, A; Rehman, AU; Venugopal, V; Salar, U; Taha, M; Khan, KM or concate me.

Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com

An article Highly active bidentate N-heterocyclic carbene/ruthenium complexes performing dehydrogenative coupling of alcohols and hydroxides in open air WOS:000476609500015 published article about CARBOXYLIC-ACID SALTS; AEROBIC OXIDATION; CATALYTIC CONVERSION; SELECTIVE OXIDATION; WATER; METAL; ALDEHYDES; EFFICIENT; HYDROGEN; LIGANDS in [Wang, Zhi-Qin; Wang, Hua-Jing; Sang, Wei; Yuan, Ye; Chen, Cheng; Verpoort, Francis] Wuhan Univ Technol, State Key Lab Adv Technol Mat Synth & Proc, 122 Luoshi Rd, Wuhan 430070, Peoples R China; [Wang, Zhi-Qin; Sang, Wei] Wuhan Univ Technol, Sch Mat Sci & Engn, 122 Luoshi Rd, Wuhan 430070, Peoples R China; [Tang, Xiao-Sheng] Chongqing Univ, Minist Educ, Key Lab Optoelect Technol & Syst, Coll Optoelect Engn, Chongqing 400044, Peoples R China; [Yang, Zhao-Qi] Jiangnan Univ, Sch Pharmaceut Sci, Wuxi 214122, Jiangsu, Peoples R China; [Yu, Bao-Yi] Beijing Agr Univ, Minist Agr, Key Lab Urban Agr North China, Beinong Rd 7, Beijing 102206, Peoples R China; [Verpoort, Francis] Natl Res Tomsk Polytech Univ, Lenin Ave 30, Tomsk 634050, Russia; [Verpoort, Francis] Ghent Univ Global Campus, 119 Songdomunhwa Ro, Incheon 21985, South Korea in 2019, Cited 45. The Name is 3-Methylbenzoic acid. Through research, I have a further understanding and discovery of 99-04-7. Category: isothiazole

Eight bidentate NHC/Ru complexes, namely [Ru]-1-[Ru]-8, were designed and prepared. In particular, [Ru]-2 displayed extraordinary performance even in open air for the dehydrogenative coupling of alcohols and hydroxides. Notably, an unprecedentedly low catalyst loading of 250 ppm and the highest TON of 32 800 and TOF of 3200 until now were obtained.

Category: isothiazole. About 3-Methylbenzoic acid, If you have any questions, you can contact Wang, ZQ; Tang, XS; Yang, ZQ; Yu, BY; Wang, HJ; Sang, W; Yuan, Y; Chen, C; Verpoort, F or concate me.

Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com

An article Chiral-at-Ruthenium Catalysts with Mixed Normal and Abnormal N-Heterocyclic Carbene Ligands WOS:000644732000015 published article about MEDIATED ASYMMETRIC-SYNTHESIS; C-H AMINATION; IMIDAZOLIUM SALT; METAL; COMPLEX; BINDING in [Winterling, Erik; Ivlev, Sergei; Meggers, Eric] Philipps Univ Marburg, Fachbereich Chem, D-35043 Marburg, Germany in 2021, Cited 28. The Name is Benzoic anhydride. Through research, I have a further understanding and discovery of 93-97-0. COA of Formula: C14H10O3

We recently reported a new class of chiral ruthenium catalysts in which two achiral bidentate N-(2-pyridyl)-substituted N-heterocyclic carbene ligands in addition to two labile acetonitriles are coordinated to a central ruthenium and generate a stereogenic metal center which is responsible for the overall chirality (Zheng et al. J. Am. Chem. Soc. 2017, 139, 4322). Here we now report our discovery of related chiral-at-ruthenium catalysts in which normal and abnormal N-heterocyclic carbene (NHC) ligands are present at the same time. The synthesis of racemic complexes, their resolution into individual enantiomers by a chiral auxiliary approach, and a catalytic application are reported. The mixed normal/abnormal NHC complexes display significantly increased turnover numbers and turnover frequencies for a nitrene-mediated enantioselective C(sp(3))-H amination.

COA of Formula: C14H10O3. About Benzoic anhydride, If you have any questions, you can contact Winterling, E; Ivlev, S; Meggers, E or concate me.

Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com

An article Annulative pi-Extension of Unactivated Benzene Derivatives through Nondirected C-H Arylation WOS:000485089300084 published article about ION MOBILITY; RAPID ACCESS; FUNCTIONALIZATION; MECHANISM; SOLVENT; SITE in [Lee, Jae Bin; Jeon, Min Ho; Hong, Sung You] UNIST, Sch Energy & Chem Engn, 50 UNIST Gil, Ulsan 44919, South Korea; [Seo, Jeong Kon] UNIST Cent Res Facil, Ulsan 44919, South Korea; [von Helden, Gert] Max Planck Gesell, Fritz Haber Inst, D-14195 Berlin, Germany; [Rohde, Jan-Uwe; Zhao, Bum Suk] UNIST, Dept Chem, Ulsan 44919, South Korea; [Seo, Jongcheol] POSTECH, Dept Chem, Pohang 37673, South Korea in 2019, Cited 48. Product Details of 151-10-0. The Name is 1,3-Dimethoxybenzene. Through research, I have a further understanding and discovery of 151-10-0

Annulative pi-extension chemistry provides a concise synthetic route to polycyclic arenes. Herein, we disclose a nondirected annulation approach of unactivated simple arenes. The palladium-catalyzed 2-fold C-H arylation event facilitates tandem C-C linkage relays to furnish fully benzenoid triphenylene frameworks using cyclic diaryliodonium salts. The inseparable regioisomeric mixture of 1- and 2-methyltripheny-lenes is identified by the combined analysis of ion mobility-mass spectrometry, gas-phase infrared spectroscopy, and molecular simulation studies.

Product Details of 151-10-0. About 1,3-Dimethoxybenzene, If you have any questions, you can contact Lee, JB; Jeon, MH; Seo, JK; von Helden, G; Rohde, JU; Zhao, BS; Seo, J; Hong, SY or concate me.

Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com

In 2020 EUR J ORG CHEM published article about CHLORINATION; CHEMISTRY; CHLORIDE; ALKYNES; SUBSTITUTION; HALOGENATION; ACTIVATION; CATALYSIS; EFFICIENT; ALPHA in [Duesel, Simon Josef Siegfried; Koenig, Burkhard] Univ Regensburg, Inst Organ Chem, Univ Str 31, D-93053 Regensburg, Germany in 2020, Cited 41. The Name is 1,3-Dimethoxybenzene. Through research, I have a further understanding and discovery of 151-10-0. Computed Properties of C8H10O2

Electron-rich arenes are oxidatively photochlorinated in the presence of catalytic amounts of bromide ions, visible light, and 4CzIPN as organic photoredox catalyst. The substrates are brominated in situ in a first photoredox-catalyzed oxidation step, followed by a photocatalyzed ipso-chlorination, yielding the target compounds in high ortho/para regioselectivity. Dioxygen serves as a green and convenient terminal oxidant. The use of aqueous hydrochloric acid as the chloride source reduces the amount of saline by-products.

Computed Properties of C8H10O2. About 1,3-Dimethoxybenzene, If you have any questions, you can contact Dusel, SJS; Konig, B or concate me.

Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com

Authors Xin, G; Ming, Y; Ji, CJ; Wei, ZL; Li, SY; Morris-Natschke, SL; Zhang, XY; Yu, K; Li, YP; Zhang, BL; Zhang, JH; Xing, ZH; He, YR; Chen, Z; Yang, XJ; Niu, H; Lee, KH; Huang, W in ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER published article about VON-WILLEBRAND-FACTOR; PLATELET ACTIVATION; PREVENTS THROMBOSIS; LACTIC-ACIDOSIS; METFORMIN; RISK; ADHESION; PRODRUG in [Xin, Guang; Ming, Yue; Wei, Zeliang; Li, Shiyi; Zhang, Xiaoyu; Yu, Kui; Li, Youping; Xing, Zhihua; He, Yarong; Chen, Zhen; Niu, Hai; Huang, Wen] Sichuan Univ, West China Hosp, West China Sch Med, Lab Ethnopharmacol, Chengdu, Peoples R China; [Ji, Chengjie] Hosp Univ Elect Sci & Technol China, Sichuan Prov Peoples Hosp, Clin Lab, Chengdu, Sichuan, Peoples R China; [Morris-Natschke, Susan L.; Lee, Kuo-Hsiung] Univ N Carolina, Nat Prod Res Labs, UNC Eshelman Sch Pharm, Chapel Hill, NC 27599 USA; [Zhang, Boli; Zhang, Junhua] Tianjin Univ Tradit Chinese Med, Tianjin, Peoples R China; [Yang, Xijing] Sichuan Univ, West China Hosp, Anim Expt Ctr, West China Sch Med, Chengdu, Sichuan, Peoples R China; [Niu, Hai] Sichuan Univ, Coll Math, Chengdu, Sichuan, Peoples R China in 2020, Cited 46. COA of Formula: C14H10O3. The Name is Benzoic anhydride. Through research, I have a further understanding and discovery of 93-97-0

Platelet thrombosis is the main pathogeny resulting in the low curability of ischemic stroke, a leading cause of mortality and disability worldwide. Metformin, a biguanide derivative that is the first-line oral medicine for type 2 diabetes, alleviates the severity of ischemic stroke in diabetic patients and suppresses platelet activation in experimental animal model. However, the clinical implementation of commercial biguanide analogs for stroke related to platelet thrombosis remains challenging due to its weak potency, poor pharmacokinetic characteristics and possible hypoglycemia. Here, twenty-three biguanide derivatives were designed and synthesized based on the principles of bioisosteres. These derivatives were evaluated for the activity of antiplatelet thrombosis in vivo. We found that N-tri-fluoromethanesulfonyl biguanide derivative, compound b10, uniquely prevented cerebral infarction as well as neuronal function injury, and significantly decrease the mortality rate of ischemic stroke in the middle cerebral artery occlusion mice without significant side effects. We verified that b10 directly inhibited platelets thrombus formation and decreased the compactness of stroke thrombi. Particularly, b10 exhibited good potency to inhibit human platelet activation including platelet aggregation, adhesion, pseudopodia formation, integrin GPIIb/IIIa activation, CD62P expression and clot retraction. Meanwhile, the pharmacokinetics assessment showed that b10 had satisfying pharmacological characteristics including a longer duration and a higher oral absorption ratio than its parent compound. In addition, b10 remarkably ameliorated not only stroke related to platelet thrombosis but also carotid artery thrombus formation. It is concluded that the novel potent antiplatelet thrombotic agent derived from biguanide is a promising candidate for stroke treatment. (C) 2020 Elsevier Masson SAS. All rights reserved.

COA of Formula: C14H10O3. About Benzoic anhydride, If you have any questions, you can contact Xin, G; Ming, Y; Ji, CJ; Wei, ZL; Li, SY; Morris-Natschke, SL; Zhang, XY; Yu, K; Li, YP; Zhang, BL; Zhang, JH; Xing, ZH; He, YR; Chen, Z; Yang, XJ; Niu, H; Lee, KH; Huang, W or concate me.

Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com

An article Synthesis of Triazolo- and Oxadiazolopiperazines by Gold(I)-Catalyzed Domino Cyclization: Application to the Design of a Mitogen Activated Protein (MAP) Kinase Inhibitor WOS:000456633000006 published article about CATALYZED INTRAMOLECULAR HYDROAMINATION; PATHWAY DEPENDENT MALIGNANCIES; POTENT SMOOTHENED ANTAGONIST; FUSED PIPERAZINE; INTERMOLECULAR HYDROAMINATION; NEUROKININ-3 RECEPTOR; UNACTIVATED ALKENES; RAPID ACCESS; DERIVATIVES; ALKYNES in [Yamamoto, Koki; Inuki, Shinsuke; Ohno, Hiroaki; Oishi, Shinya] Kyoto Univ, Grad Sch Pharmaceut Sci, Sakyo Ku, Kyoto 6068501, Japan; [Yoshikawa, Yasushi; Ohue, Masahito] Tokyo Inst Technol, Sch Comp, Dept Comp Sci, Meguro Ku, Tokyo 1528550, Japan in 2019, Cited 58. The Name is 3-Methylbenzoic acid. Through research, I have a further understanding and discovery of 99-04-7. SDS of cas: 99-04-7

An efficient method for the synthesis of [1,2,4]triazolo-[4,3-a]piperazine derivatives was established based on a gold(I)-catalyzed domino cyclization of an amidrazone substrate with a terminal alkyne. The amidoxime congeners were converted into [1,2,4]oxadiazolo[4,5-a]piperazine derivatives in the presence of a gold catalyst. The oxadiazolopiperazine is a promising scaffold for the design of novel inhibitors against p38 mitogen activated protein kinase (MAP kinase).

About 3-Methylbenzoic acid, If you have any questions, you can contact Yamamoto, K; Yoshikawa, Y; Ohue, M; Inuki, S; Ohno, H; Oishi, S or concate me.. SDS of cas: 99-04-7

Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com

HPLC of Formula: C8H10O2. In 2020 J ORG CHEM published article about HYDROGEN-PEROXIDE; FLUORINATED ALCOHOLS; SELECTIVE OXIDATION; SUBSTITUTION; PROMOTERS; COMPLEX; PHENOL in [Llopis, Natalia; Baeza, Alejandro] Univ Alicante, Fac Ciencias, Dept Quim Organ, E-03080 Alicante, Spain; [Llopis, Natalia; Baeza, Alejandro] Univ Alicante, Fac Ciencias, Inst Sintesis Organ ISO, E-03080 Alicante, Spain in 2020, Cited 41. The Name is 1,3-Dimethoxybenzene. Through research, I have a further understanding and discovery of 151-10-0.

The straightforward oxidation of electron-rich arenes, namely, phenols, naphthols, and anisole derivatives, under mild reaction conditions, is described by means of the use of an environmentally benign HFIP-UHP system. The corresponding quinones or hydroxylated arenes were obtained in moderate to good yields.

HPLC of Formula: C8H10O2. About 1,3-Dimethoxybenzene, If you have any questions, you can contact Llopis, N; Baeza, A or concate me.

Reference:
Isothiazole – Wikipedia,
,Isothiazole – ScienceDirect.com