Day: September 25, 2020

578743-87-0, 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. [1,3-Bis(2,6-diisopropylphenyl)imidazol-2-ylidene]copper chloride, cas is 578743-87-0,the copper-catalyst compound, it is a common compound, a new synthetic route is introduced below.

In a dry double-mouth bottle to place Pt – 2 (0.0594 g, 0.1 mmol), CuClNHC (0.0488 g, 0.1 mmol), vacuum pumping and nitrogen cycle three times, then the nitrogen flow by adding 10 ml ethanol, stirring reflux reaction for 4 hours, cooling to room temperature, then added potassium hexafluorophosphate (0.184 g, 1 mmol), stirring at the room temperature reaction 2 hours, filtered, concentrated filtrate, ethanol: dichloromethane=1:10 column, get the orange solid 0.047 g, and the yield is 40%.

The chemical industry reduces the impact on the environment during synthesis,578743-87-0,[1,3-Bis(2,6-diisopropylphenyl)imidazol-2-ylidene]copper chloride,I believe this compound will play a more active role in future production and life.

Reference£º
Patent; Jiangsu University Of Science And Technology; Shi Chao; Li Qiuxia; Zhang Xinghua; (24 pag.)CN108690096; (2018); A;,
Copper catalysis in organic synthesis – NCBI
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

578743-87-0, 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. [1,3-Bis(2,6-diisopropylphenyl)imidazol-2-ylidene]copper chloride, cas is 578743-87-0,the copper-catalyst compound, it is a common compound, a new synthetic route is introduced below.

In a glove box, IPrCuCl (100 mg, 0.205 mmol) and potassium tris (3,5 – dimethyl – 1 – pyrazolyl) borohydride (76.3mg, mmol) in THF in a 20 mixture was stirred at room temperature for 5 hours to dongan It was. Filtered through a plug of after the reaction mixture was Celite and the solvent was evaporated under reduced pressure to give product IPrCuTp * as a white powder

Chemical properties determine the actual use. Each compound has specific chemical properties and uses. We look forward to more synthetic routes in the future to expand reaction routes of [1,3-Bis(2,6-diisopropylphenyl)imidazol-2-ylidene]copper chloride, 578743-87-0

Reference£º
Patent; University Of Southern California; Thompson, Mark E; Hamz, Rasya; Durovitch, Peter I; (50 pag.)KR2015/26932; (2015); A;,
Copper catalysis in organic synthesis – NCBI
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

660-60-6, 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. Copper(II) stearate, cas is 660-60-6,the copper-catalyst compound, it is a common compound, a new synthetic route is introduced below.

General procedure: To a screw-cap reaction tube was added symmetrical N,N?-disubstituted guanidines 1a (0.2 mmol), PdCl2 (5 mol%, 1.8 mg), CuX2 (0.44 mmol). The reaction tube was evacuated and back-filled with CO (three times, balloon). PhCN (2 mL) was added using a syringe and the mixture was heated to the desired temperature with use of an oil bath. When the reaction was completed (detected by TLC), the mixture was cooled to room temperature and vented to discharge the excess CO. After the reaction was completed, the solvent was concentrated by evaporation in vacuo. The residue was purified by flash column chromatography on silica gel to afford the desired product Amides 6a with petroleum ether/ethyl acetate as the eluent.

Chemical properties determine the actual use. Each compound has specific chemical properties and uses. We look forward to more synthetic routes in the future to expand reaction routes of Copper(II) stearate, 660-60-6

Reference£º
Article; Chang, Denghu; Zhu, Dan; Zou, Peng; Shi, Lei; Tetrahedron; vol. 71; 11; (2015); p. 1684 – 1693;,
Copper catalysis in organic synthesis – NCBI
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

7758-99-8, 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. Copper(II) sulfate pentahydrate, cas is 7758-99-8,the copper-catalyst compound, it is a common compound, a new synthetic route is introduced below.

18 g of copper sulphate and 6.75 g of sodium bromide were added to 150 ML of D. M water in a 3 necked round bottom flask. The contents of flask were heated to 76-78 C to obtain a clear solution. 6g of sodium metabisulphite was then added to it in portions and stirred for 15 min. The reaction mixture was cooled to 30 2 C. CuBr solid was filtered. To 150 g of compound of formula 2 was added 1.5 1 of acetone and 600 ml of methanol. The contents of the flask were cooled to 18-20 C. 245 ml of aqueous HBR was added to the above reaction mixture at 18-20 C in a single charge. Cool the contents of the flask to 0-2 C. 120ML of 50% w/v aqueous sodium nitrite solution was added slowly to the reaction mixture by maintaining the temperature between 0-2 C, over a period of 30 minutes. The reaction mixture was maintained for 15 minutes at 0-2 C. The temperature was raised to 20-22 C. A solution of 246g of acrylamide in 900ML of acetone was added at 22-23 C in single charge. The reaction mixture was stirred for 10 minutes at 23-24 C, 4. 6g of cuprous bromide was added in a single charge under vigorous stirring and the reaction mixture maintained for 2 hours at 30-35 C. After completion of the reaction, acetone and methanol were. distilled off completely to obtain thick liquid mass. A solution of 150 g of sodium bicarbonate in 3.0 1 of D. M water was prepared. 600ML of hexane was added to it and stirred to get a clear biphasic solution. The reaction mixture was gradually quenched into above flask containing aqueous sodium bicarbonate and hexane solution over a period of 30 minutes at 23-35 C followed by stirring for 2 hours. The product was filtered and the product cake washed with D. M. Water followed by hexane and dried. The crude product obtained was suspended in water and stirred for 1 hour at 25-30 C. The product was filtered and cake washed with D. M. Water followed by hexane. The product thus obtained was suspended in hexane and stirred for 2 hours at 35- 40C. It was filtered and washed with hexane and dried to get compound of formula 3.

The chemical industry reduces the impact on the environment during synthesis,7758-99-8,Copper(II) sulfate pentahydrate,I believe this compound will play a more active role in future production and life.

Reference£º
Patent; SUN PHARMACEUTICAL INDUSTRIES LIMITED; WO2004/108721; (2004); A1;,
Copper catalysis in organic synthesis – NCBI
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

14172-91-9, 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. 5,10,15,20-Tetraphenyl-21H,23H-porphine copper(II), cas is 14172-91-9,the copper-catalyst compound, it is a common compound, a new synthetic route is introduced below.

To 0.025 g (0.0296 mmol) of copper tetraphenylporphyrin in a mixture of 10 mL ofCHCl3 and 1mL of DMF was added 0.105 g (0.592 mmol) of NBS and stirred at roomtemperature for 10 h. The reaction mixture was evaporated to a minimum 10 mL ofDMF, H2O and NaClsolid was added. Dark brown precipitate was filtered off, washedwith water and dried, then chromatographed on Al2O3 with CHCl3, and precipitatedfrom C25OH. Yield: 68% (0.026 g, 0.0199 mmol). Mass spectrum, m/z (Irel, %) 1306.6(98) [M]+ was calculated for C44H20N4Br8Cu – 1307.5. UV-vis spectrum in CHCl3, lambda, nm(log epsilon)626 sh., 581 (4.33), 467 (5.21), 447 sh

Chemical properties determine the actual use. Each compound has specific chemical properties and uses. We look forward to more synthetic routes in the future to expand reaction routes of 5,10,15,20-Tetraphenyl-21H,23H-porphine copper(II), 14172-91-9

Reference£º
Article; Chizhova, Natalya Vasil?evna; Maltceva, Olga Valentinovna; Zvezdina, Svetlana Veniaminovna; Mamardashvili, Nugzar Zhoraevich; Koifman, Oscar Iosifovich; Journal of Coordination Chemistry; vol. 71; 19; (2018); p. 3222 – 3232;,
Copper catalysis in organic synthesis – NCBI
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

As a common heterocyclic compound, it belongs to copper-catalyst compound, name is Copper(II) acetate, and cas is 142-71-2, its synthesis route is as follows.

A mixture of 0.04 g (0.065 mmol) of porphin 1 and 0.118 g (0.65 mmol) of Cu(OAc)2 in 40 mL of dimethylformamide was heated under reflux for 15 s. The reaction mixture was cooled, water and solid NaCl was added, the precipitate was separated by filtration, washed with water, dried, and chromatographed on aluminum oxide using chloroform as an eluent to give 0.038 g (0.0562 mmol) (86%) of compound 5. MS (m/z (Irel, %)): 675 (97) [M]+; for C44H28N4Cu calcd.: 676. IR (nu, cm-1): 2926 s, 2855 m nu(C-H, Ph), 1694 w,1598 m 1489 s nu(C=C, Ph), 1441 m nu(C=N), 1371 m, 1346 s nu(C-N), 1146 s, 1071 s delta(C-H, Ph), 1005 s nu(C-C), 861 m, 794 m gamma(C-H, pyrrole ring), 742 m, 696 m gamma(C-H, h), 480 nu(Cu-N).

142-71-2, In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles.,142-71-2 ,Copper(II) acetate, other downstream synthetic routes, hurry up and to see

Reference£º
Article; Chizhova; Shinkarenko; Zav?yalov; Mamardashvili, N. Zh.; Russian Journal of Inorganic Chemistry; vol. 63; 6; (2018); p. 732 – 735; Zh. Neorg. Khim.; vol. 63; 6; (2018); p. 695 – 699,5;,
Copper catalysis in organic synthesis – NCBI
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

6046-93-1, 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. Copper(II) acetate hydrate, cas is 6046-93-1,the copper-catalyst compound, it is a common compound, a new synthetic route is introduced below.

A mixed solvent of 75 ml of chlorobenzene and 50 ml of N,N-dimethylformamide (DMF) was added to a 250 ml three-neck distillation flask. Add 5,10,15,20-tetraphenylporphyrin (H2TPP) (0.50 g, 0.81 mmol) start stirring, after the solid is dissolved, add an appropriate amount of copper acetate monohydrate (Cu(OAc)2*H2O) (0.324 g 1.62 mmol). Put about 3g of potassium carbonate (K2CO3) in the alkali storage chamber, the mixture in the reaction kettle was heated to 150 C and kept under reflux. The progress of the reaction (UV-Vis) is monitored by thin layer chromatography (TLC) or ultraviolet visible absorption spectroscopy until the complete reaction of H2TPP is completed. The solvent is distilled off under vacuum. The remaining solid was dissolved in 150 ml of chloroform. Wash three times with 50 ml of water each time, then collect these liquids in a static layer. The organic layer was further washed three times with 50 ml of saturated sodium bicarbonate solution. Then dried with potassium sulfate (K2SO4), The solvent is distilled off under vacuum. The remaining solid was recrystallized from chloroform/heptane. A purple crystalline solid product of 0.526 g was obtained in a yield of 96%.

Chemical properties determine the actual use. Each compound has specific chemical properties and uses. We look forward to more synthetic routes in the future to expand reaction routes of Copper(II) acetate hydrate, 6046-93-1

Reference£º
Patent; Guangzhou Lvying Environmental Protection Technology Co., Ltd.; Yao Shu; Chen Liangming; Qiao Nasen¡¤wudong; (8 pag.)CN109651381; (2019); A;,
Copper catalysis in organic synthesis – NCBI
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

Name is Bis(acetylacetone)copper, as a common heterocyclic compound, it belongs to copper-catalyst compound, and cas is 13395-16-9, its synthesis route is as follows.

A yellow solution of H4L (0.3mmol, 0.068g) in MeOH (5mL) was added to a green solution of Cu(acac)2 (0.30mmol, 0.079g) in dmf (20mL) which was stirred under heating at ~90C. The resulting dark green solution was refluxed for 3h and after cooled at r.t. was layered with Et2O. X-ray quality blue crystals of 1¡¤MeOH were formed after 3weeks. The identity of the crystals was confirmed by unit cell determination (a=b=17.414(1), c=16.751(1) A, alpha=beta=gamma=90, V=5079A3). The crystals were filtered off and dried under vacuum. (Yield: 0.056g, ?65%). The solid was analyzed as solvent free. C44H52Cu4N4O16 requires: C, 46.07; H, 4.57; N, 4.88. Found: C, 45.88; H, 4.54; N, 4.85%. FT-IR (KBr pellets, cm-1): 3413(br,s), 2912(w), 2873(w), 2828(w), 1625(vs), 1603(s), 1543(s), 1473(s), 1448(s), 1399(m), 1385(m), 1338(m), 1300(vs), 1254(m), 1206(m), 1160(m), 1129(m), 1083(m), 1029(s), 980(w), 936(w), 915(m), 875(m), 770(s), 683(s), 633(m), 586(m), 489(m), 454(m).

13395-16-9, In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles.,13395-16-9 ,Bis(acetylacetone)copper, other downstream synthetic routes, hurry up and to see

Reference£º
Article; Lazarou, Katerina N.; Savvidou, Aikaterini; Raptopoulou, Catherine P.; Psycharis, Vassilis; Polyhedron; vol. 152; (2018); p. 125 – 137;,
Copper catalysis in organic synthesis – NCBI
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

Name is Copper(II) acetate, as a common heterocyclic compound, it belongs to copper-catalyst compound, and cas is 142-71-2, its synthesis route is as follows.

General procedure: Porphyrins 1-6 (Aldrich, 97%), organic solvents (Merck, 99%), and inorganic salts (Acros, 99%) were used as received. The complex formation was studied by recording electronic absorption spectra of the solutions using a Cary 300 spectrophotometer (Varian). To do so,solutions of the studied porphyrin (2.5¡Á10-5 mol/L)and the salt (2.5¡Á10-3 mol/L) in an organic solvent were put in the cell maintained at constant temperature(¡À0.1C), and the absorbance at the wave length corresponding to the maximum in the spectrum of the formed metal porphyrinate was monitored. Kinetic studies of the complex formation were performed over 288-363 K range.

142-71-2, In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles.,142-71-2 ,Copper(II) acetate, other downstream synthetic routes, hurry up and to see

Reference£º
Article; Maltceva; Mamardashvili, N. Zh.; Russian Journal of General Chemistry; vol. 87; 6; (2017); p. 1175 – 1183; Zh. Obshch. Khim.; vol. 87; 6; (2017); p. 955 – 963,8;,
Copper catalysis in organic synthesis – NCBI
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

578743-87-0, 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. [1,3-Bis(2,6-diisopropylphenyl)imidazol-2-ylidene]copper chloride, cas is 578743-87-0,the copper-catalyst compound, it is a common compound, a new synthetic route is introduced below.

In a glovebox, a 30 mL round-bottom flask was charged with (IPr)CuCl (969.0 mg, 2.00 mmol) and NaOtBu (192.0 mg, 2.00 mmol). Anhydrous THF (12.0 mL) was added. The resulting opaque brown solution was stirred for 2.0 h. It was filtered through Celite in glovebox and concentrated in vacuo affording (IPr)Cu(OtBu) as an off-white powder (802.2 mg, 79% yield).

Chemical properties determine the actual use. Each compound has specific chemical properties and uses. We look forward to more synthetic routes in the future to expand reaction routes of [1,3-Bis(2,6-diisopropylphenyl)imidazol-2-ylidene]copper chloride, 578743-87-0

Reference£º
Article; Zeng, Wei; Wang, Enyu; Qiu, Rui; Sohail, Muhammad; Wu, Shaoxiang; Chen, Fu-Xue; Journal of Organometallic Chemistry; vol. 743; (2013); p. 44 – 48;,
Copper catalysis in organic synthesis – NCBI
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”