Category: 7787-70-4

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

Triethyl phosphite (183g, 1.1 mol) was added to a suspension of copper(I) bromide (164.5 g, 1.15 mol) in toluene (500 ml). The mixture was heated at 80C for 3 h with stirring, then left to cool and settle. The clear solution was decanted from the solid residue and the solvent evaporated on a rotary evaporator at 60C, to provide copper(I) bromide triethyl phosphite complex as a clear colourless oil, 336g (94% crude yield).

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

Reference£º
Patent; ASTRAZENECA AB; ASTRAZENECA UK LIMITED; WO2006/67412; (2006); A1;,
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: C8H14ClNO380,mainly used in chemical industry, its synthesis route is as follows.,7787-70-4

A yellow solution of 168.0 mg (0.736 mmol) of 2b in toluene (10 mL) was added to a green CH3CN solution (20 mL) containing 105.6 mg (0.736 mmol) CuBr with stirring at ambient temperature. The reaction mixture was allowed to stir overnight forming a dark green precipitate. The solution was filtered, and the precipitate washed with cold MeOH (5 mL) and dried under vacuum (57.9 mg, 17% yield). 1H and 13C{1H} NMR spectra could not be recorded due to strong paramagnetic properties of complex. FTIR (KBr) 3425, 3056, 3006, 2918, 1627, 1593, 1466, 1436, 1300, 1269, 1236, 1201, 1157, 1106, 1092, 1069, 1046, 967, 958, 914, 849, 774, 767, 744, 694, 652, 567, 543, 501, 458, 417 cm-1. Anal. Calc’d. for C13H12Br2CuN2S: C = 34.57%, H = 2.68%, N = 6.20%. Found: C = 34.17%, H = 3.36%, N = 6.44%. UV-vis (DMF, 0.050 mg/mL) lambdamax (epsilon) = 266 (7.6 * 103), 353.

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; Cross, Edward D.; Ang, M. Trisha C.; Richards, D. Douglas; Clemens, Amy C.; Muthukumar, Harshiny; McDonald, Robert; Woodfolk, London; Ckless, Karina; Bierenstiel, Matthias; Inorganica Chimica Acta; vol. 481; (2018); p. 69 – 78;,
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: In a round bottom flask, copper(I) halide (0.1mmol, CuBr for 1 or CuI for 2) was dissolved in 2mL of MeCN. Under continuous stirring, a 5mL MeCN:EtOH (3:2) solution of HC(3-PhPz)3 (0.11mmol, 50mg) was added dropwise. The produced light brown solution was stirred at room temperature for 3h, then its volume was reduced by evaporation to ca. 2mL. Hexane (10mL) was added and the obtained precipitate was filtered off, recrystallized from a mixture of CH2Cl2 and hexane (1:1) to afford complexes 1 or 2 as colourless crystals. [CuBr(TpmPh)] (1): Yield (45.9mg) 78%. Elemental analysis calcd (%) for C28H22BrCuN6¡¤CH2Cl2: C 51.92, H 3.61, N 12.53; found: C 51.51, H 3.70, N 12.64. FTIR (KBr): nu (cm-1)=1532m, 1491 w, 1442m, 1391 w, 1342 w, 1324 w, 1299 w, 1268 w, 1242m, 1209m, 1095m, 1077m, 1038m, 798m, 756s, 688s. Far IR (CsI): nu (cm-1)=221m nu(Cu-Br). 1H NMR (300MHz, DMSO-d6, delta): 9.10 (s, 1H, HC(3-PhPz)3), 8.11 (br, 3H, 5-H-pz), 7.85 (br, 6H, o-H-Ph), 7.42 (br, 9H, m,p-H-Ph), 6.95 (br, 3H, 4-H-pz). 13C{1H} NMR (300MHz, DMSO-d6, delta): 152.14 (3-C-pz), 132.20 (Cquat-Ph), 131.82 (5-C-pz)), 128.76 (m-C-Ph), 128.32 (p-C-Ph), 125.53 (o-C-Ph), 104.57 (4-C-pz), 82.09 (HC(3-Phpz)3). ESI(+)MS in MeCN (m/z assignment, % intensity): 546 ({[HC(3-Phpz)3]Cu+MeCN}+, 100), 505 ({[HC(3-Phpz)3]Cu}+, 23).

7787-70-4 Copper(I) bromide 24593, acopper-catalyst compound, is more and more widely used in various fields.

Reference£º
Article; Mahmoud, Abdallah G.; Martins, Luisa M.D.R.S.; Guedes da Silva, M. Fatima C.; Pombeiro, Armando J.L.; Inorganica Chimica Acta; vol. 483; (2018); p. 371 – 378;,
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: C8H14ClNO461,mainly used in chemical industry, its synthesis route is as follows.,7787-70-4

Copper bromide (0.079 g, 0.55 mmol) was added to 30 mL of ppdq (0.200 g, 0.55 mmol) In a solution of CH2Cl2, the mixture was stirred at room temperature to form a red suspension, the reaction mixture was filtered, and the solvent was removed under reduced pressure. A red powder was obtained which was recrystallized from CH2Cl2 to give red crystals: 0.238 g, 85.3%.

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
Patent; Hubei University; Liu Li; Guo Bangke; (13 pag.)CN109970769; (2019); A;,
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, 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.

As the paragraph descriping shows that 7787-70-4 is playing an increasingly important role.

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”

7787-70-4,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.

General procedure: The complexes were prepared according to the following method [14]: 1mmol of copper(I) bromide or copper(I) chloride is stirred in methanol until complete dissolution. Then, 2.1mmol of the corresponding phosphine ligand was added. The mixture was stirred at 60C for 30min. under nitrogen atmosphere. A microcrystalline precipitate was obtained by concentration of the solution at reduced pressure. The solid product was dissolved in a dichloromethane/methanol mixture and the solution was gradually cooled to 4C to give an air stable and colorless crystalline solid suitable for X-ray single-crystal diffraction studies.

7787-70-4 Copper(I) bromide 24593, acopper-catalyst compound, is more and more widely used in various fields.

Reference£º
Article; Espinoza, Sully; Arce, Pablo; San-Martin, Enrique; Lemus, Luis; Costamagna, Juan; Farias, Liliana; Rossi, Miriam; Caruso, Francesco; Guerrero, Juan; Polyhedron; vol. 85; (2014); p. 405 – 411;,
Copper catalysis in organic synthesis – NCBI
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

Name is Copper(I) bromide, as a common heterocyclic compound, it belongs to copper-catalyst compound, and cas is 7787-70-4, its synthesis route is as follows.,7787-70-4

General procedure: An acetonitrile solution (5 mL) of cuprous chloride (0.008 g,0.084 mmol) was introduced dropwise to a solution of 1(0.040 g, 0.084 mmol) in dichloromethane (5 mL). The reactionwas allowed to stir at room temperature for 6 h. Afterthat, solvent was evaporated under vacuum to give microcrystallineproduct of 5 as a white solid.

With the complex challenges of chemical substances, we look forward to future research findings about Copper(I) bromide

Reference£º
Article; Kumar, Saurabh; Balakrishna, Maravanji S; Journal of Chemical Sciences; vol. 129; 8; (2017); p. 1115 – 1120;,
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”

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”

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”