Day: September 17, 2020

As a common heterocyclic compound, it belongs to copper-catalyst compound, name is [1,3-Bis(2,6-diisopropylphenyl)imidazol-2-ylidene]copper chloride, and cas is 578743-87-0, its synthesis route is as follows.,578743-87-0

In a dry double-mouth bottle to place Ir – 2 (0.0796 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 0.069 g, and the yield is 50%.

With the complex challenges of chemical substances, we look forward to future research findings about [1,3-Bis(2,6-diisopropylphenyl)imidazol-2-ylidene]copper chloride

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”

As a common heterocyclic compound, it belongs to copper-catalyst compound, name is Copper(II) sulfate pentahydrate, and cas is 7758-99-8, its synthesis route is as follows.

Example 2828.1 28.2[0329] Methyl 4-bromo-3-(trifluoromethoxy)benzoate (28.2). To a solution of 4-amino-3-(trifluoromethoxy)benzoic acid (2.00 g, 9.10 mmol) in MeOH (25.0 mL), was slowly added HCl (1.0 mL, 1.0 M in ether) at room temperature. The resulting reaction mixture was stirred at room temperature overnight. Benzene (20 mL) was added, and the reaction was heated at reflux with a Dean-Stark trap to remove the half volume of the solvent. The rest of the solvent was then evaporated to give the product. MS (ESI) m/e = 235.9 [M+l]+, Calc’d for CgHeF3NOs, 235.1. The crude product was used in the next step without further purification. To an ice-cooled suspension of methyl 4-amino-3- (trifluoromethoxy)benzoate hydrogen chloride salt (8.60 g, 31.70 mmol) in 17.1 mL of water and concentrated HBr (48 %, 17.1 mL), was slowly added a prepared 2.5 M solution of sodium nitrite (2.20 g in 12.7 mL) at 00C. The reaction mixture was stirred at 0 0C for 10 minutes. Meanwhile, a solution OfCuSO4 (6.68 g) in 35 mL of water was heated and sodium bromide (6.52 g) was added. The solution became a green color, and a solution OfNa2SOs (2.80 g) in water (10 mL) was then added to it. The solution was cooled at 0 0C and washed with water (25 x 3 mL). The water was then decanted off. Concentrated HBr (16.7 mL) was added, and the solution became a purple color. The solution of CuBr was slowly added to the diazonium salt (prepared above) at 00C. After addition, the ice-bath was removed, and an oil-bath was placed under the reaction vessel. The reaction mixture was then heated to 600C for 15 minutes, at 80 0C for 15 minutes, and then at 1000C for 20 minutes. The reaction mixture was next cooled to room temperature and made basic with Na2CO3 to a pH 8. The aqueous solution was extracted with EtOAc (100 x 2 mL). The organic layer was washed with brine (25 mL) and dried with MgSO4. The solvent was removed to give the crude product 28.2. 1H NMR (CDCl3) delta 3.96 (s, 3H), 7.75 (d, J= 8.4 Hz5 1 H), 7.86 (d, J= 8.4 Hz, 1 H), 7.98 (s, IH).

7758-99-8, 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.,7758-99-8 ,Copper(II) sulfate pentahydrate, other downstream synthetic routes, hurry up and to see

Reference£º
Patent; AMGEN INC.; WO2008/30520; (2008); A1;,
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 Bis(acetylacetone)copper, and cas is 13395-16-9, its synthesis route is as follows.

Under a nitrogen atmosphere, copper acetylacetonate (0.9 mmol) was dissolved in 25 mL of dichloromethane, followed by addition of 1,10-phenanthroline (0.9 mmol). The reaction solution was stirred at room temperature for 48 hours and then concentrated in vacuo. The resulting solid was washed with 25 mL of n-pentane and recrystallized with dichloromethane and n-pentane to obtain Catalyst 3. The method of the invention produces this compound in a yield of up to 75%

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
Patent; Chinese Academy Of Sciences Lanzhou Chemical Physics Institute Suzhou Institute; Li Yuehui; Wang Hua; Dong Yanan; Ke Lisitian¡¤shanduofu; (20 pag.)CN108017557; (2018); A;,
Copper catalysis in organic synthesis – NCBI
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

13395-16-9, 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. Bis(acetylacetone)copper, cas is 13395-16-9,the copper-catalyst compound, it is a common compound, a new synthetic route is introduced below.

General procedure: In a typical synthesis of Cu40Ag60, 0.45mmol Cu(acac)2 and 0.35 Ag (ac) was mixed with 3mL of OAm, 1 mL of OAc and 11mL of ODE. All synthesis was conducted in a four-necked glass reactor allowing the precise temperature control and inert gas atmosphere under dark conditions. Firstly, the mixture was heated to 60C and kept at this temperature for 10min. Then, the mixture was heated to 180C and kept at this temperature for 30min before it was cooled down to room temperature. After cooling, the resultant reaction mixture was collected with hexane (2mL) and the NPs were separated by centrifugation (8500rpm, 12min) after adding isopropanol (40mL). To further purify the yielded CuAg NPs, the product was centrifuged (8500rpm, 12min) one more time with ethanol (40mL). Finally, the remaining product was dispersed in hexane (10mL) for further use. By using the same recipe and varying metal precursor amounts, two different compositions of CuAg NPs were synthesized. Reductive mixing of 0.3mmol Cu(acac)2 and 0.5 Ag(ac) resulted in Cu30Ag70 NPs and mixing 0.6mmol Cu(acac)2 with 0.4 Ag (ac) led to Cu60Ag40. Synthesis of Ag NPs was conducted with the same recipe without using Cu precursor.

The chemical industry reduces the impact on the environment during synthesis,13395-16-9,Bis(acetylacetone)copper,I believe this compound will play a more active role in future production and life.

Reference£º
Article; Balkan, Timucin; Kuecuekkececi, Hueseyin; Kaya, Sarp; Metin, Oender; Zarenezhad, Hamaneh; Journal of Alloys and Compounds; vol. 831; (2020);,
Copper catalysis in organic synthesis – NCBI
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

142-71-2, 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, cas is 142-71-2,the copper-catalyst compound, it is a common compound, a new synthetic route is introduced below.

General procedure: The reactions of complexing between porphyrins and copper acetate were studied by means of spectrophotometry in the range of 293-318 K. The change in temperature during the experiment did not exceed¡À0.1 K.

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, 142-71-2

Reference£º
Article; Pukhovskaya; Nam, Dao Tkhe; Fien, Chan Ding; Domanina; Ivanova, Yu. B.; Semeikin; Russian Journal of Physical Chemistry; vol. 91; 9; (2017); p. 1692 – 1702; Zh. Fiz. Khim.; vol. 91; 9; (2017); p. 1508 – 1519,12;,
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.

Carbazole (83.6mg, 0.5mmol) and NaH (12 mg, 0.5 mmol) was mixed with THF and 15 ml, atroom temperature under a nitrogen atmosphere until bubbling ceased (15 min) and stirred.Chloro [1,3-bis (2,6-diisopropylphenyl) imidazol-2-ylidene] was added copper (I) ((IPr) CuCl)(243.8mg, 0.5mmol), the reaction mixture was stirred for one hour did. Then, the mixture wasfiltered through a plug of Celite (registered trademark) under an inert atmosphere, and thesolvent was removed by rotary evaporation. The product was obtained as a white solid (170mg,55%).

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; Universal Display Corporation; Mark, E. Thomson; Peter, I. Jurobitchi; Valentina, Krirowa; (66 pag.)JP2015/91800; (2015); A;,
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.

meso-Tetraphenylporphyrin (TPP)(2 g, 3.25 mmol) was dissolved in CH2Cl2 (160 mL) and methanol (50 mL). Cu(OAc)2¡¤H2O (1.2 g,5.85 mmol) was added and the mixture was heated to reflux for 2 h until all starting material wasconsumed (TLC, UV-vis). Solvents were evaporated to give a red-purple residue that was filteredthrough a short plug of silica. After filtration, the product 3 was obtained as a dark purple sparklingsolid (2.2 g, 3.25 mmol, 99%)

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
Article; Blom, Magnus; Norrehed, Sara; Andersson, Claes-Henrik; Huang, Hao; Light, Mark E.; Bergquist, Jonas; Grennberg, Helena; Gogoll, Adolf; Molecules; vol. 21; 1; (2016);,
Copper catalysis in organic synthesis – NCBI
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

13395-16-9, 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. Bis(acetylacetone)copper, cas is 13395-16-9,the copper-catalyst compound, it is a common compound, a new synthetic route is introduced below.

The monodisperse CuPd alloy NPs with composition controlwere synthesized by using a modified version of our estab-lished recipe for the CoPd alloy NPs [14]. In a typical synthesis of Cu75Pd25NPs, copper(II) acetylacetonate (0.35 mmol, 90 mg)and palladium(II) acetylacetonate (0.1 mmol, 31 mg) were dis-solved in 3 mL of OAm in a 10 mL of glass vial. In a four-necked glass reactor that allows to study under inert atmosphere,200 mg of MB was dissolved in 3 mL of OAm and 7 mL of 1-octadecene at 80C under magnetic stirring. Next, the metal precursor mixture was quickly injected into the reactor under argon environment. The reaction was then proceed for 1 h before cooled down to room temperature. Then, the colloidal NPs mixture was transferred into two separate centrifuge tubeand acetone/ethanol (v/v = 7/3) was added into the tubes. TheNP product was separated by centrifugation at 8500 rpm for10 min.

The chemical industry reduces the impact on the environment during synthesis,13395-16-9,Bis(acetylacetone)copper,I believe this compound will play a more active role in future production and life.

Reference£º
Article; Guengoermez, Kuebra; Metin, Oender; Applied Catalysis A: General; vol. 494; (2015); p. 22 – 28;,
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 5,10,15,20-Tetraphenyl-21H,23H-porphine copper(II), and cas is 14172-91-9, its synthesis route is as follows.

To a stirred solution of (meso-tetraphenylporphyrinato)copper(II) (1c; 237 mg, 0.35 mmol) inCHCl3 (530 mL) at room temperature, a solution of 25% aqueous nitric acid (freshly prepared fromfuming yellow HNO3, d = 1.52; large excess, 140 mL, 637 mmol) was added dropwise during ca5 min. The reaction mixture was intensively stirred under argon in a round-bottomed ask, protectedagainst light, for 30-40 min with TLC monitoring (CHCl3/n-hexane-1:1). Then, the mixture waspoured into aqueous solution of 5% NaHCO3 (200 mL), and shaken carefully in a separatory funnel.The separated organic layer was washed with water (4 200 mL), and dried with anhydrousMgSO4/Na2CO3. After evaporating the solvent, the residue was subjected to column chromatography(eluent: CHCl3/n-hexane1:1) to give (2-nitro-5,10,15,20-tetraphenylporphyrinato)copper(II) (2c; 71 mg, 28%) and a mixture of dinitro-substituted isomers (150 mg, 56%). Thedinitro-isomers were separated on preparative TLC (CHCl3/n-hexane-1:1, four times developed),allowing isolation of: (a) (2,7-dinitro-5,10,15,20-tetraphenylporphyrinato)copper(II) (3ca; 40 mg,15%); (b) (3,7-dinitro-5,10,15,20-tetraphenylporphyrinato)copper(II) (3cb; 35.5 mg, 13%); (c)(2,8-dinitro-5,10,15,20-tetra-phenylporphyrinato)copper(II) (3cc) contaminated with small amountsof (3,7-dinitro-5,10,15,20-tetraphenylporphyrinato)copper(II) (3cb) (30 mg, yield-ca 10%). 3cc can befurther purified by preparative TLC.

14172-91-9, 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.,14172-91-9 ,5,10,15,20-Tetraphenyl-21H,23H-porphine copper(II), other downstream synthetic routes, hurry up and to see

Reference£º
Article; Mikus, Agnieszka; Rosa, Mariusz; Ostrowski, Stanis?aw; Molecules; vol. 24; 5; (2019);,
Copper catalysis in organic synthesis – NCBI
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”

10380-28-6, 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. Bis(8-quinolinolato)copper(II), cas is 10380-28-6,the copper-catalyst compound, it is a common compound, a new synthetic route is introduced below.

General procedure: To a mixture of K3PO4 (18.8 g, 88.7 mmol), CuII oxinate (780 mg,2.22 mmol), KI (3.68 g, 22.2 mmol) and 2 (10.0 g, 22.2 mmol), water(30 mL) and acetonitrile (30 mL) were added. The mixture was stirredat 120 C for 3 days. Then brine was added, and the mixture was extracted with EA. The combined organic layers were dried with anhydrous MgSO4 and concentrated under reduced pressure. The residue was purified on a silica gel column with PE:DCM (3:1) as eluent to give3 (3.27 g, 51%) as a white solid. 1H NMR (400 MHz, CDCl3): delta (ppm)7.53 (d, J=8.8 Hz, 1H), 7.39 (d, J=8.0 Hz, 1H), 7.29 (t, J=8.4 Hz,1H), 7.11 (d, J=8.0 Hz, 1H), 7.03 (s, 1H), 6.98 (t, J=7.4 Hz, 1H),6.88 (d, J=8.0 Hz, 1H), 6.34 (d, J=7.2 Hz, 1H), 6.23 (d, J=7.6 Hz,1H). 13C NMR (125 MHz, CDCl3): delta (ppm) 161.1, 160.1, 131.7, 130.5,127.7, 126.7, 125.0, 124.5, 124.0, 121.5, 114.6, 111.0, 87.7, 85.8.Anal. Calcd for C14H9BrO2 (%): C, 58.16; H, 3.14; Br, 27.64; O, 11.07;Found: C, 58.03; H, 3.02; O, 10.98.

The chemical industry reduces the impact on the environment during synthesis,10380-28-6,Bis(8-quinolinolato)copper(II),I believe this compound will play a more active role in future production and life.

Reference£º
Article; He, Keqiang; Li, Weili; Tian, Hongkun; Zhang, Jidong; Yan, Donghang; Geng, Yanhou; Wang, Fosong; Organic electronics; vol. 57; (2018); p. 359 – 366;,
Copper catalysis in organic synthesis – NCBI
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”