Day: September 8, 2020

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.34946-82-2,Copper(II) trifluoromethanesulfonate,as a common compound, the synthetic route is as follows.

To a solution of ligand L1 (50 mg, 0.2 mmol) in ethyl acetate(3 mL) was added a saturated solution of copper(II) trifluoromethanesulfonate(Cu(OTf)2) in ethyl acetate (2 mL).A blue-green precipitate appeared within 10 min, whichwas transformed into green-brown hexagonal crystalsduring slow evaporation of the solvent on standing withair contact. The crystals were collected by filtration withsuction, washed with a small volume of ethyl acetate toremove co-precipitated Cu(OTf)2. Yield: 85 mg (95%); M.p.272-274C. – IR (KBr): = 3262 m br (NH), 3147 w, 3103w, 1645 m, 1597 s, 1296 vs, 1253 vs, 1228 s, 1148 s, 1076 m,1059 m, 1029 vs, 757 w, 729 s, 629 s, 575 m, 520 m cm-1. -MS ((+)-MALDI-TOF): m/z (%) = 666.24 (100) [M-CF3SO3]+,516.26 (15) [M-2CF3SO3-H]+, 228.16 (74) [L1+H]+. – Anal. forC26H26CuF6N10O6S2 (816.21): calcd. C 38.26, H 3.21, N 17.16;found C 38.25, H 3.49, N 16.92.

34946-82-2, As the paragraph descriping shows that 34946-82-2 is playing an increasingly important role.

Reference£º
Article; Schroeder, Sven; Frey, Wolfgang; Maas, Gerhard; Zeitschrift fur Naturforschung, B: Chemical Sciences; vol. 71; 6; (2016); p. 683 – 696;,
Copper catalysis in organic synthesis – NCBI
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

As a common heterocyclic compound, it belong copper-catalyst compound,Copper(I) bromide,7787-70-4,Molecular formula: BrCu,mainly used in chemical industry, its synthesis route is as follows.,7787-70-4

General procedure: A solution of cuprous chloride (5.8 mg, 0.058 mmol) in acetonitrile(10 mL) was added dropwise to a well stirred solution of 1(30 mg, 0.058 mmol) in dichloromethane (10 mL) at room temperaturewith constant stirring. After stirring for 6 h, the solvent wasremoved under reduced pressure and the residue obtained wasfurther washed with petroleum ether to give 4 as white solid product.Yield

With the synthetic route has been constantly updated, we look forward to future research findings about Copper(I) bromide,belong copper-catalyst compound

Reference£º
Article; Bhat, Sajad A.; Mague, Joel T.; Balakrishna, Maravanji S.; Inorganica Chimica Acta; vol. 443; (2016); p. 243 – 250;,
Copper catalysis in organic synthesis – NCBI
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

As a common heterocyclic compound, it belong copper-catalyst compound,Copper(II) trifluoromethanesulfonate,34946-82-2,Molecular formula: C2CuF6O6S2,mainly used in chemical industry, its synthesis route is as follows.,34946-82-2

LigandH2L2 (100 mg, 0.275 mmol)was added to the solutionof Cu(OTf)2 (298 mg, 0.826 mmol) in 10mLMeNO2 forminga clear light blue coloured solution. The reaction mixture wasstirred for 30 min at 50 C. The solution was filtered andleft in open air for slow evaporation. X-ray quality light bluecrystals were collected after 24 h. (Yield: 64%). Anal. Calcd.for C24H36Cu4F12N10O30S4: C, 18.54; H, 2.33; N, 9.01%.Found. C, 18.14; H, 2.82; N, 8.74%. IR (nu, cm-1): 3424.20(H2O); 1681.07 (C=O); 1638.57 (C=N).

With the synthetic route has been constantly updated, we look forward to future research findings about Copper(II) trifluoromethanesulfonate,belong copper-catalyst compound

Reference£º
Article; Lakma, Avinash; Hossain, Sayed Muktar; Pradhan, Rabindra Nath; Singh, Akhilesh Kumar; Journal of Chemical Sciences; vol. 130; 7; (2018);,
Copper catalysis in organic synthesis – NCBI
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

34946-82-2, Copper(II) trifluoromethanesulfonate is a copper-catalyst compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

L (0.0424g, 0.2mmol), Cu (CF 3SO 3) 2(0.0691g,0.2mmol)H 2O (6mL), CH 3CN (4mL),hot water 100 O slow C down to room temperature after three days. After opening theautoclave there for X- ray diffraction analysis of the yellow rod-like crystals. Yield:35% (calculated based on L).

34946-82-2, As the paragraph descriping shows that 34946-82-2 is playing an increasingly important role.

Reference£º
Patent; Tianjin Normal University; Wang, Ying; (11 pag.)CN104447810; (2016); B;,
Copper catalysis in organic synthesis – NCBI
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

As a common heterocyclic compound, it belong copper-catalyst compound,Copper(I) bromide,7787-70-4,Molecular formula: BrCu,mainly used in chemical industry, its synthesis route is as follows.,7787-70-4

General procedure: [CuBr(CNR)3] (1-4). Any one of the isocyanides CNR (R=Xyl, 2-Cl-6-MeC6H3, 2-Naphtyl, Cy) (3.1mmol) was added to a suspension of CuBr (143mg, 1.0mmol) in chloroform (5mL) and the reaction mixture was stirred at RT for 1h. The solvent was removed in vacuo and the product was recrystallized by slow concentration of a CH2Cl2/hexane solution at RT to give colorless (1, 2, and 4) or orange (3) crystalline solid.

With the synthetic route has been constantly updated, we look forward to future research findings about Copper(I) bromide,belong copper-catalyst compound

Reference£º
Article; Melekhova, Anna A.; Novikov, Alexander S.; Luzyanin, Konstantin V.; Bokach, Nadezhda A.; Starova, Galina L.; Gurzhiy, Vladislav V.; Kukushkin, Vadim Yu.; Inorganica Chimica Acta; vol. 434; (2015); p. 31 – 36;,
Copper catalysis in organic synthesis – NCBI
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.7787-70-4,Copper(I) bromide,as a common compound, the synthetic route is as follows.

7787-70-4, Copper(I) bromide was treated with 3 equiv of triphenylphosphine in methanol. The mixture was stirred for 4-5 h, and the pale yellow solid was filtered off and dried. Yield of Cu(PPh3)3Br 90%.

The synthetic route of 7787-70-4 has been constantly updated, and we look forward to future research findings.

Reference£º
Article; Saeed; Larik; Jabeen; Mehfooz; Ghumro; El-Seedi; Ali; Channar; Ashraf; Russian Journal of General Chemistry; vol. 88; 3; (2018); p. 541 – 550;,
Copper catalysis in organic synthesis – NCBI
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

34946-82-2, Copper(II) trifluoromethanesulfonate is a copper-catalyst compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

In a 20 mL vial with heating, anhydrous copper(II) trifluoromethanesulfonate(221 mg, 0.61 mmol) was dissolved in 15 mL of90% EtOH. After cooling to room temperature, HL1 (200 mg,0.61 mmol) was added to the pale blue solution, which became bluegreen.The mixture was heated to boiling to ensure all reactants weredissolved, and then cooled to room temperature, at which point thesolution was green-blue and contained a teal precipitate. The precipitatewas isolated via gravity filtration as a bright teal powder (256 mg, 71%). HR-MS (ESI, MeOH) m/z: [L1Cu]+ Calcd. for[CuC20H12N3O2]+ 389.0226; found 388.9763; m/z [L1CuII(EtOH)]+Calcd. for [CuC32H18N3O3]+ 435.0644; found 435.0132 (Fig. S4). Anal.Calc. for CuC21H14N3O6SF3: C, 45.29; H, 2.53; N, 7.54. Found: C, 45.06;H, 2.74; N, 8.09. X-ray quality crystals in the form of teal blocks weregrown upon slow diffusion of anhydrous THF into a concentrated solutionof the compound in EtOH at room temperature.

34946-82-2, The synthetic route of 34946-82-2 has been constantly updated, and we look forward to future research findings.

Reference£º
Article; Elwell, Courtney E.; Neisen, Benjamin D.; Tolman, William B.; Inorganica Chimica Acta; vol. 485; (2019); p. 131 – 139;,
Copper catalysis in organic synthesis – NCBI
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

7787-70-4, Copper(I) bromide is a copper-catalyst compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

7787-70-4, General procedure: [CuBr(CNR)3] (1-4). Any one of the isocyanides CNR (R=Xyl, 2-Cl-6-MeC6H3, 2-Naphtyl, Cy) (3.1mmol) was added to a suspension of CuBr (143mg, 1.0mmol) in chloroform (5mL) and the reaction mixture was stirred at RT for 1h. The solvent was removed in vacuo and the product was recrystallized by slow concentration of a CH2Cl2/hexane solution at RT to give colorless (1, 2, and 4) or orange (3) crystalline solid.

The synthetic route of 7787-70-4 has been constantly updated, and we look forward to future research findings.

Reference£º
Article; Melekhova, Anna A.; Novikov, Alexander S.; Luzyanin, Konstantin V.; Bokach, Nadezhda A.; Starova, Galina L.; Gurzhiy, Vladislav V.; Kukushkin, Vadim Yu.; Inorganica Chimica Acta; vol. 434; (2015); p. 31 – 36;,
Copper catalysis in organic synthesis – NCBI
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

34946-82-2, Copper(II) trifluoromethanesulfonate is a copper-catalyst compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

Cu (CF3 SO3 )2 And 4 – (3 – (4H – 1,2, 4 – triazole -4 – yl) phenyl) – 4H – 1,2, 4 – triazole) (L) in a molar ratio of 1:1; L (0.0424 g, 0.2 mmol), Cu (CF3 SO3 )2 (0.0691 g, 0.2 mmol), H2 O (6 ml), CH3 CN (4 ml), water heat 160 o C three days after cooling to room temperature. After operates the cauldron X – ray single crystal diffraction analysis is yellow rod-like crystal. Yield: 35% (calculated on the basis of L). Elemental analysis (C33 H26 Cu3 F9 N18 O10 S3 ) Theoretical value (%): C, 30.67; H, 2.03; N, 19.51. The measured value: C, 30.69; H, 2.06; N, 19.59. We also tried other proportions, for example Cu (CF3 SO3 )2 And L in a molar ratio of 2:1, irrespective of the length of the water heat reaction time, are not crystalline compound. Therefore Cu (CF3 SO3 )2 And L in a molar ratio of 1:1 is the best reaction mixture ratio., 34946-82-2

34946-82-2 Copper(II) trifluoromethanesulfonate 2734996, acopper-catalyst compound, is more and more widely used in various fields.

Reference£º
Patent; Tianjin Normal University; Wang, Ying; (12 pag.)CN104557982; (2017); B;,
Copper catalysis in organic synthesis – NCBI
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

As a common heterocyclic compound, it belongs to quinuclidine compound,Quinuclidine-4-carboxylic acid hydrochloride,40117-63-3,Molecular formula: C8H14ClNO48,mainly used in chemical industry, its synthesis route is as follows.,7787-70-4

To a solution of CuBr (0.0135 g, 0.094 mmol) in 10 mL of acetonitrile was added dropwise 1 (0.03 g, 0.094 mmol) in dichloromethane (5 mL) at room temperature. The reaction mixture was stirred for 4 h. The solvent was removed under reduced pressure to get 6 as a pale yellow solid. Analtyically pure product of 6 was obtained by recrystallizing the crude product in a 1:2 mixture of dichloromethane and petroleum ether. Yield: 81% (0.035 g). Mp: 158-160 C. Anal. Calc. for C42H44Cu2Br2N2P2: C, 54.66; H, 4.80; N, 3.03. Found: C, 54.95; H, 4.85; N, 2.88%. 1H NMR (400 MHz, CDCl3): delta 7.52-6.83 (m, Ar, 28H), 3.50 (s, CH2, 4H), 2.42 (s, NMe2, 12H). 31P{1H} NMR (162 MHz, CDCl3): delta -16.2 (br s). MS (EI): m/z 845.22 [M-Br]+.

With the synthetic route has been constantly updated, we look forward to future research findings about Copper(I) bromide,belong copper-catalyst compound

Reference£º
Article; Ananthnag, Guddekoppa S.; Edukondalu, Namepalli; Mague, Joel T.; Balakrishna, Maravanji S.; Polyhedron; vol. 62; (2013); p. 203 – 207;,
Copper catalysis in organic synthesis – NCBI
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”