Category: copper-catalyst

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, Complex 2 was obtained by a similar method as described for 1 using copper(I) bromide (0.032 g,0.22 mmol) in place of copper(I) iodide. Colorless crystals of 2 were obtained (Yield: 0.191 g, 90.3%). 1HNMR (400 M, CDCl3) delta: 7.51-7.36 (m, 22H, m,p-Ph + H3,H4-PC6H4-), 7.33-7.27 (m, 4H, H5,H6-PC6H4-),7.12-7.00 (m, 12H, o-Ph). 13C NMR (100 M, CDCl3) delta: 147.87, 147.67, 140.24, 140.16, 134.31, 134.17, 133.45,131.80, 131.07, 130.71, 130.14, 129.90, 128.93, 128.69, 127.93, 127.26 (Ar-C). 31P NMR (240 M, CDCl3) delta:-9.70 (s). Anal. Calcd for C48H38Cu2Br2P2: C, 59.83; H, 3.97. Found: C, 59.88; H, 3.97. MS (MALDI-TOF): m/zCalcd for [M-2Br-Cu + C24H19P]+, 739.1745, found 739.1747.

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

Reference£º
Article; Qi, Lei; Li, Qian; Hong, Xiao; Liu, Li; Zhong, Xin-Xin; Chen, Qiao; Li, Fa-Bao; Liu, Qian; Qin, Hai-Mei; Wong, Wai-Yeung; Journal of Coordination Chemistry; vol. 69; 24; (2016); p. 3692 – 3702;,
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

The molar ratio of Cu (CF3SO3) 2 and 4- (3- (4H-1,2,4-triazol-4-yl) phenyl) -4H-1,2,4-triazole (L)(0.0624 g, 0.2 mmol), Cu (CF3SO3) 2 (0.0691 g, 0.2 mmol), H2O (6 mL), 1:CH3CN (4 mL). After three days of hydrothermal treatment at 100 oC, the solution was slowly cooled to room temperature. After opening the kettle for the X-ray single crystal diffraction analysis of the yellow rod-like crystals. Yield: 35% (based on L)., 34946-82-2

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

Reference£º
Patent; Tianjin Normal University; Wang, Ying; (12 pag.)CN104513260; (2016); B;,
Copper catalysis in organic synthesis – NCBI
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

A common heterocyclic compound, the copper-catalyst compound, name is Copper(II) trifluoromethanesulfonate,cas is 34946-82-2, mainly used in chemical industry, its synthesis route is as follows.,34946-82-2

Ligand L2/L2? (15.2 mg, 63 mumol) was dissolved in ethylacetate (5 mL) and a solution of Cu(OTf)2 (11.4 mg, 31.5mumol) in ethyl acetate (3 mL) was added. The blue precipitatewas isolated by filtration with suction and dried at air;yield: 26 mg (98%). Crystals suitable for X-ray diffractionanalysis were obtained when a solution of the precipitatein the necessary amount of ethyl acetate was concentratedby slow evaporation. M.p. 255.5-256.5C. – IR (KBr): IR(KBr): = 3259 s br (NH), 3151 w, 1643 m, 1591 s, 1500 m,1285 vs, 1243 vs, ~1228 sh, 1159 s, 1028 vs, 720 m, 636 s,574 w, 518 m cm-1. – MS ((+)-MALDI-TOF): m/z (%) = 694.15(100) [M-CF3SO3]+, 1539.24 (8) [2 [CuL2L2?(OTf)2]-OTf]. -Anal. for C28H30CuF6N10O6S2 (844.27), water-free sample:calcd. C 39.83, H 3.58, N 16.59; S 7.59; found C 39.62, H 3.41,N 16.64, S 7.61.

As the rapid development of chemical substances, we look forward to future research findings about 34946-82-2

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”

A common heterocyclic compound, the copper-catalyst compound, name is Copper(I) bromide,cas is 7787-70-4, mainly used in chemical industry, its synthesis route is as follows.,7787-70-4

General procedure: A mixture of CuCl (19.6mg, 0.2mmol) and dppb (89.3mg, 0.2mmol) with an excess of batho (66.5mg, 0.2mmol) were dissolved in CH2Cl2 (5mL) and 17 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.

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

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”

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

General procedure: CuI (0.095 g, 0.05 mmol) and PPh3 (0.262 g, 0.10 mmol) in 10 ml of MeCN were stirred for 1 h at 80 C to get a clear solution. To the reaction mixture, a solution of Hnor (0.082 g, 0.05 mmol) in methanol (5 mL) was added dropwise and left on stirring for 4 h. Then the mixture was filtered, and a colorless clear solution was obtained, which was left for slow evaporation leading to crystallization at room temperature. After a few days white crystals were obtained that were suitable for a single-crystal X-ray diffraction analysis.

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

Reference£º
Article; Khan, Rais Ahmad; Dielmann, Fabian; Liu, Xue; Hahn, F. Ekkehardt; Al-Farhan, Khalid; Alsalme, Ali; Reedijk, Jan; Polyhedron; vol. 111; (2016); p. 173 – 178;,
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, a. 2-(carboxy-5-nitro-phenyl)malonic acid dimethyl ester (2) A solution of 2-chloro-4-nitrobenzoic acid (75g, 372mmol) in dimethyl malonate (900mL) was sparged with nitrogen for 15 min. Sodium methoxide (48.3g, 894mmol) was added in one portion and the contents exothermed to 48C. Fifteen minutes later, copper (I) bromide (5.4g, 37mmol) was added in one portion and the contents heated to 70C for 24 hrs. The reaction was 70% complete by nmr, the contents heated to 85C for 5 hrs to completely consume the 2-chloro-4-nitrobenzoic. Water (900mL) was added to the cooled reaction followed by hexanes (900mL). The aqueous layer was separated, toluene (900mL) added, filtered through celite, and aqueous layer separated. Fresh toluene (1800mL) was added to the aqueous layer and the biphasic mixture acidified with 6N aqueous HCl (90mL). A white precipitate formed and the contents stirred for 18 hrs. The product was filtered off and dried to give a white solid (78.1g, 70%) mp=153C. 1H NMR (CD3)2SO delta 8.37 (d, J = 2 Hz, 1H), 8.30 (d, J = 1Hz, 2H), 5.82 (s, 1H), 3.83 (s, 6H). 13C NMR (CD3)2SO delta 168.0, 167.3, 149.4, 137.1, 135.8, 132.5, 125.4, 123.7, 54.5, 53.4. Anal. Calcd for C11H10NO8: C, 48.49; H, 3.73; N, 4.71. Found: C, 48.27; H, 3.72; N, 4.76.

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

Reference£º
Patent; PFIZER INC.; EP1181954; (2002); A2;,
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

A solution of Cu(OTf )2 (0.089 g, 0.25 mmol) in 1 mL of CH3CN was added to a stirred solution of 2-pina (0.050 g, 0.25 mmol) in 1 mL of CH3CN. The blue suspension was stirred for 1.5 h and the solvent was removed under reduced pressure. The resulting blue solid was washed with Et2O (5 mL ¡Á 3). Dissolving the product in DMF and vapor diffusion of Et2O into the blue solution at room temperature led to green crystals suitable for X-ray crystallographic characterization (0.095 g, 54% yield). Anal. Calcd for C19H23N5O9F6S2Cu: C, 32.28; H, 3.28; N, 9.90. Found: C, 31.96; H, 3.03; N, 10.15. FT-IR (cm-1): 1644, 1619, 1546, 1457, 1431, 1386, 1369, 1243, 1223, 1147, 1106, 1028, 862, 759, 698, 667, 634, 572, 516, 418., 34946-82-2

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

Reference£º
Article; McMoran, Ethan P.; Mugenzi, Clement; Fournier, Kyle; Draganjac, Mark; Tony, Donavon; Jeong, Kwangkook; Powell, Douglas R.; Yang, Lei; Journal of Coordination Chemistry; vol. 69; 3; (2016); p. 375 – 388;,
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

For the synthesis of (II), a solution of BDPA (0.160 g,0.265 mmol) in THF (5.0 ml) was added to a solution ofCu(triflate)2 (0.095 g, 0.265 mmol) in THF (3.0 ml) under aninert atmosphere and this mixture was stirred for 12 h. The resulting blue solution was diffused with diethyl ether, yielding blue block-shaped crystals after 3 d (yield: 0.110 g, 44%).Elemental analysis calculated: C 38.74, H 2.94, N 6.45, S9.85%; found: C 38.79, H 2.98, N 6.52, S 9.90%. FT-IR (KBr,cm-1); 2980 (w), 2927 (m), 1620 (m), 1455 (m), 1307 (m),1275 (s), 1215 (s), 1155 (s), 1029 (s), 922 (w), 849 (s), 790 (m),770 (m), 737 (m), 697 (s).

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

Reference£º
Article; Sivanesan, Dharmalingam; Youn, Min Hye; Park, Ki Tae; Kim, Hak Joo; Grace, Andrews Nirmala; Jeong, Soon Kwan; Acta Crystallographica Section C: Structural Chemistry; vol. 73; 11; (2017); p. 1024 – 1029;,
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.34946-82-2,Copper(II) trifluoromethanesulfonate,as a common compound, the synthetic route is as follows.

General procedure: To a light blue aqueous solution (4 mL) of Him(5.5 mg, 0.081 mmol) and Cu(BF4)26H2O (28 mg, 0.081 mmol)was added methanol solution (4 mL) of pz3CH (17 mg,0.079 mmol), and then 5v/v% TEA methanol solution (0.5 mL).The mixed solution was gently warmed for 1 h. After standing fora few days, a mixture of dark green crystals (a major product)and a light blue precipitate (a minor product) was formed. The darkgreen crystals were carefully separated from the mixture under amicroscope., 34946-82-2

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

Reference£º
Article; Kogane, Tamizo; Ondo, Akihiro; Yamasaki, Masaru; Kanetomo, Takuya; Ishida, Takayuki; Polyhedron; vol. 136; (2017); p. 64 – 69;,
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, 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”