Category: 7787-70-4

As we all know, there are many different methods for the synthesis of a compound, and people can choose the synthesis method that suits their own laboratory according to the actual situation. 7787-70-4, Copper(I) bromide. This compound is widely used in many fields, so it is necessary to find a new synthetic route. The downstream synthesis method of this compound is introduced below.7787-70-4

CuBr (0.2 g, 1.39 mmol) wasdissolved in a mixture of dichloromethane (30 ml) and acetonitrile (30 ml) and then 2-benzylpyridine (0.23 g, 1.39 mmol)dissolved in dichloromethane (20 ml) was added. The mixture was stirred for 2 h at room temperature and allowed to standovernight. The next day the colour of the solution was green indicating the oxidation of Cu(I) to Cu(II) and the green solidwas filtered off and recrystallized from methanol. Yield (70%).

As the rapid development of chemical substances, we look forward to future research findings about 7787-70-4

Reference£º
Article; Aguirrechu-Comeron; Pasan; Gonzalez-Platas; Ferrando-Soria; Hernandez-Molina; Journal of Structural Chemistry; vol. 56; 8; (2015); p. 1563 – 1571; Zh. Strukt. Kim.; vol. 56; 8; (2015); p. 1624 – 1632;,
Copper catalysis in organic synthesis – NCBI
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

As we all know, there are many different methods for the synthesis of a compound, and people can choose the synthesis method that suits their own laboratory according to the actual situation. 7787-70-4, Copper(I) bromide. This compound is widely used in many fields, so it is necessary to find a new synthetic route. The downstream synthesis method of this compound is introduced below.7787-70-4

CuBr (0.2 g, 1.39 mmol) wasdissolved in a mixture of dichloromethane (30 ml) and acetonitrile (30 ml) and then 2-benzylpyridine (0.23 g, 1.39 mmol)dissolved in dichloromethane (20 ml) was added. The mixture was stirred for 2 h at room temperature and allowed to standovernight. The next day the colour of the solution was green indicating the oxidation of Cu(I) to Cu(II) and the green solidwas filtered off and recrystallized from methanol. Yield (70%).

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

Reference£º
Article; Aguirrechu-Comeron; Pasan; Gonzalez-Platas; Ferrando-Soria; Hernandez-Molina; Journal of Structural Chemistry; vol. 56; 8; (2015); p. 1563 – 1571; Zh. Strukt. Kim.; vol. 56; 8; (2015); p. 1624 – 1632;,
Copper catalysis in organic synthesis – NCBI
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

Copper(I) bromide, A common heterocyclic compound, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc., below Introduce a new synthetic route. 7787-70-4

A solution of (4-diphenylphosphino)phenanthridine (0.023 g,0.063 mmol) in CH2Cl2 (3 mL) was added drop-wise to a suspensionof CuBr (0.089 g, 0.063 mmol) in CH2Cl2 (3 mL) with constantstirring. The reaction mixture was stirred for overnight at roomtemperature. Then the reaction mixture was filtered through smallplug of Celite and dried under vacuum to give an orange solid.Yield = 0.022 g (71%).

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; Mondal, Rajarshi; Giesbrecht, Patrick K.; Herbert, David E.; Polyhedron; vol. 108; (2016); p. 156 – 162;,
Copper catalysis in organic synthesis – NCBI
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact.7787-70-4, Copper(I) bromide it is a common compound, a new synthetic route is introduced below.7787-70-4

A mixture of CuBr (28.7mg, 0.2mmol) and dppp (82.5mg, 0.2mmol) with an excess of batho (66.5mg, 0.2mmol) were dissolved in CH2Cl2 (5mL) and CH3OH (5mL) solution, stirred at room temperature for 6h. The insoluble residues were removed by filtration, and the filtrate was evaporated slowly at room temperature to yield yellow crystalline products. Yield: 80%. Anal. Calc. for C53H50BrCuN2O2P2: C, 66.84; H, 5.29; N, 2.94. Found: C, 66.97; H, 5.15; N, 2.88%. IR (KBr disc, cm-1): 3378s, 3048w, 2858w, 2580w, 1616w, 1556m, 1515m, 1433s, 1414m, 1229m, 1026s, 998w, 767m, 740s, 698vs, 513s, 482m. 1H NMR (600MHz, CDCl3, 298K): delta 7.87-8.98 (d, 6H, batho CH), 7.56-7.68 (m, 10H, batho CH), 7.41-7.24 (m, 20H, dppp CH), 2.91-2.81 (m, 4H, CH2), 2.78-2.63 (m, 2H, CH2); 31P NMR (400MHz, CDCl3, 298K): -12.25, -14.84.

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

Reference£º
Article; Yu, Xiao; Fan, Weiwei; Wang, Guo; Lin, Sen; Li, Zhongfeng; Liu, Min; Yang, Yuping; Xin, Xiulan; Jin, Qionghua; Polyhedron; vol. 157; (2019); p. 301 – 309;,
Copper catalysis in organic synthesis – NCBI
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact.7787-70-4, Copper(I) bromide it is a common compound, a new synthetic route is introduced below.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., 7787-70-4

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

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, A common heterocyclic compound, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc., below Introduce a new synthetic route., 7787-70-4

Cuprous iodide (0.198 g, 1.04 mmol)Adding to a solution of 3,4-bis(diphenylphosphino)-2,5-dimethylthiophene (dpmt) (0.500 g, 1.04 mmol) synthesized in Example 1 in 30 mL of CH2Cl2,The mixture was stirred at room temperature for 5 h. Filter the reaction mixture,The solvent was removed under reduced pressure to give a pale yellow powder.The powder was dissolved in dichloromethane and recrystallized to give 0.615 g of yellow crystals.That is, the complex 1 was found to have a yield of 88.1%.

As the rapid development of chemical substances, we look forward to future research findings about 7787-70-4

Reference£º
Patent; Hubei University; Liu Li; Wei Qiong; (15 pag.)CN108997382; (2018); A;,
Copper catalysis in organic synthesis – NCBI
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

As we all know, there are many different methods for the synthesis of a compound, and people can choose the synthesis method that suits their own laboratory according to the actual situation. 7787-70-4, Copper(I) bromide. This compound is widely used in many fields, so it is necessary to find a new synthetic route. The downstream synthesis method of this compound is introduced below.7787-70-4

A dry and Ar-flushed Schlenk flask was charged with P(OEt)3 (5.2 mL, 30.0 mmol) in benzene (30 mL). CuBr (4.3 g, 30.0 mmol) was added. After the mixture had stirred at r.t. for 1 h and at 80 C for 1 h, unsolved solid was removed by filtration under Ar atmosphere and solvents were evaporated from the filtrate. The resulted mixture was cooled down to -78 C and was washed with n-hexane (2*). The remained solid was dried under vacuum; this gave CuBr*P(OEt)3. Yield: 6.8 g (73%); a mixture of oil and solid.

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

Reference£º
Article; Moriya, Kohei; Schwaerzer, Kuno; Karaghiosoff, Konstantin; Knochel, Paul; Synthesis; vol. 48; 19; (2016); p. 3141 – 3154;,
Copper catalysis in organic synthesis – NCBI
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 7787-70-4, name is Copper(I) bromide. This compound has unique chemical properties. The synthetic route is as follows. 7787-70-4

7787-70-4, A mixture of PLN(37.6 mg, 0.2 mmol) containing CH3ONa (11.8 mg, 0.22 mmol) andCuBr (22 mg, 0.2 mmol) in methanolic solution (10 mL) was refluxed for 2 h, followed by addition of 1,10-phenanthroline (36 mg,0.2 mmol) in methanol (10 mL). The mixture was stirred for another 30 min at room temperature to give a dark-red solution and then filtered.The filtrate was kept in air for a week, forming dark-red block crystals. The crystals were isolated, washed three times with distilled water and dried in a vacuum desiccator containing anhydrous CaCl2. Yield: 87.9 mg (81%). Anal. Calcd for C24H19BrCuN2O4 (542.86): C,53.10; H, 3.52 and N, 5.16. Found: C, 53.12; H, 3.53 and N, 5.17. IR(KBr, cm-1): 3500, 3041, 1986, 1837, 1628, 1590, 1568, 1510, 1418,1344, 1196, 1159, 1106, 993, 855, 773, 720, 672, 631, 551, 548, 528,468, 455, 430.

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

Reference£º
Article; Gou, Yi; Zhang, Zhan; Qi, Jinxu; Liang, Shichu; Zhou, Zuping; Yang, Feng; Liang, Hong; Journal of Inorganic Biochemistry; vol. 153; (2015); p. 13 – 22;,
Copper catalysis in organic synthesis – NCBI
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

7787-70-4, A common heterocyclic compound, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc., below Introduce a new synthetic route., 7787-70-4

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)., 7787-70-4

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

Reference£º
Patent; ASTRAZENECA AB; ASTRAZENECA UK LIMITED; WO2006/67416; (2006); A1;,
Copper catalysis in organic synthesis – NCBI
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

Copper(I) bromide, A common heterocyclic compound, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc., below Introduce a new synthetic route. 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 rapid development of chemical substances, we look forward to future research findings about Copper(I) bromide

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”