Category: ruthenium-catalysts

246047-72-3, 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(2,4,6-trimethylphenyl)-2-imidazolidinylidene)dichloro(phenylmethylene)(tricyclohexylphosphine)ruthenium, cas is 246047-72-3,the ruthenium-catalysts compound, it is a common compound, a new synthetic route is introduced below.

The catalyst precursor 620g and alkenyl ligands340g was added to a 10L reactor was added dichloromethane solvent 5L, cuprous chloride was added 150g, it was heated under nitrogen at 30 until starting material disappeared the reaction was cooled to room temperature, filtered impurities.The filtrate was distilled off under reduced pressure and toluene was added 100mL of methylene chloride and methanol to precipitate the product catalyst 5L solid was filtered and dried to give the final catalyst 330g, 65% 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(2,4,6-trimethylphenyl)-2-imidazolidinylidene)dichloro(phenylmethylene)(tricyclohexylphosphine)ruthenium, 246047-72-3

Reference£º
Patent; Shanghai Keqin Technology Co., Ltd.; Zhang Wei; Wu Jiang; Zhu Chunyin; (26 pag.)CN106939026; (2017); A;,
Highly efficient and robust molecular ruthenium catalysts for water oxidation
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

246047-72-3, 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(2,4,6-trimethylphenyl)-2-imidazolidinylidene)dichloro(phenylmethylene)(tricyclohexylphosphine)ruthenium, cas is 246047-72-3,the ruthenium-catalysts compound, it is a common compound, a new synthetic route is introduced below.

General procedure: To a Schlenk flask charged with Grubbs? catalyst 2 (0.42 g,0.50 mmol) and CuCl (0.05 g, 0.50 mmol), compound 14 (or 15, 16)(0.6 mmol) in 10 mL dry dichloromethane was added at room temperature under N2. The resulting mixture was stirred for 40 min at 40 C. After being cooled to room temperature, the reaction mixturewas filtered and the clear filtrate was collected. The solvent from the filtrate was evaporated under vacuum to give a residue. The residue was purified by silica gel chromatography (CH2Cl2:ethyl acetate 2:1 or pentanes: ethyl acetate 3:2 or 1:1) to givethe desired product as a green crystalline solid.

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(2,4,6-trimethylphenyl)-2-imidazolidinylidene)dichloro(phenylmethylene)(tricyclohexylphosphine)ruthenium, 246047-72-3

Reference£º
Article; Zhang, Yiran; Shao, Mingbo; Zhang, Huizhu; Li, Yuqing; Liu, Dongyu; Cheng, Yu; Liu, Guiyan; Wang, Jianhui; Journal of Organometallic Chemistry; vol. 756; (2014); p. 1 – 9;,
Highly efficient and robust molecular ruthenium catalysts for water oxidation
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

246047-72-3, 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(2,4,6-trimethylphenyl)-2-imidazolidinylidene)dichloro(phenylmethylene)(tricyclohexylphosphine)ruthenium, cas is 246047-72-3,the ruthenium-catalysts compound, it is a common compound, a new synthetic route is introduced below.

To a dry 100 mL round-bottom flask containing a magnetic stirbar, under argon, was added 1.79 g (2.1 mmol, 1.0 equiv) [5], CuCl (521 mg, 5.28 mmol, 2.51 equiv), and 25 mL of anhydrous CH2Cl2. Ligand precursor [2] (403 mg, 2.1 mmol, 1.0 equiv) was added to the reddish solution in 20 mL of CH2Cl2 at room temperature. A reflux condenser was added and the mixture was heated for 70 minutes, under argon. The crude product was concentrated and loaded onto silica gel and eluted with 2:1 pentane:CH2Cl2 then 1:1 pentane:CH2Cl2 to remove a dark green band. The column was washed with CH2Cl2, then Et2O. The green and yellow bands were combined and concentrated under reduced pressure to yield a dark green solid. The solvents are removed under reduced pressure and the solid was crystallized from hexane to yield 1.07 g (1.70 mmol, 85%) of [6]. 1H NMR (300 MHz, CDCl3) delta: 16.56 (s, 1H, Ru=CHAr), 7.48 (m, 1H, aromatic CH), 7.07 (s, 4H, mesityl aromatic CH), 6.93 (dd, J=7.4 Hz, 1.6 Hz, 1H, aromatic CH), 6.85 (dd, J=7.4 Hz, 1H, aromatic CH), 6.79 (d, J=8.6 Hz, 1H, aromatic CH) 4.90 (septet, J=6.3 Hz, 1H, (CH3)2CHOAr), 4.18 (s, 4H, N(CH2)2N), 2.48 (s, 12H, mesityl o-CH3), 2.40 (s, 6H, mesityl p-CH3), 1.27 (d, J=5.9 Hz, 6H, (CH3)2CHOAr. 13C NMR (75 MHz, CDCl3) delta: 296.8 (q, J=61.5 Hz), 211.1, 152.0, 145.1, 145.09, 138.61, 129.4 (d, JNC 3.9 Hz), 129.3, 129.2, 122.6, 122.1, 122.8, 74.9 (d, JOC 10.7 Hz), 51.4, 30.9, 25.9, 21.01.

The chemical industry reduces the impact on the environment during synthesis,246047-72-3,(1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene)dichloro(phenylmethylene)(tricyclohexylphosphine)ruthenium,I believe this compound will play a more active role in future production and life.

Reference£º
Patent; MATERIA, INC.; Pederson, Richard L.; Woertink, Jason K.; Haar, Christopher M.; Gindelberger, David E.; Schrodi, Yann; (13 pag.)US9504997; (2016); B2;,
Highly efficient and robust molecular ruthenium catalysts for water oxidation
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

Dichlorotris(triphenylphosphino)ruthenium (II), cas is 15529-49-4, it is a common heterocyclic compound, the ruthenium-catalysts compound, its synthesis route is as follows.

A solution of RuCl2(PPh3)3 (0.200g; 0.21mmol) and ligand 1 (0.135g; 0.42mmol) in benzene (5mL) was stirred at 60C for 2h under the nitrogen atmosphere. Yellow crystals formed. The precipitate was filtered, washed with a small portion of hexane and dried. (0.154g; 90%). 1H NMR (400MHz, CD2Cl2): delta=11.45 (s, 2H, NH), 7.71-7.60 (m, J=11.6, 7.9Hz, 4H, Ph), 7.60-7.51 (m, J=7.6Hz, 2H, Ph), 7.52-7.43 (m, J=6.5Hz, 4H, Ph), 7.39-7.33 (m, 8H, ArH and CH), 7.34-7.26 (m, 4H, Ph), 7.26-7.17 (m, J=7.3Hz, 4H, Ph), 7.03-6.92 (m, J=5.4Hz, 6H, Ph), 6.81-6.70 (m, J=7.3Hz, 4H, Ph), 6.40-6.28 (m, J=8.7Hz, 6H, Ph), 3.77-3.61 (m, 2H, CH2), 3.45-3.31 (m, 2H, CH2), 1.46 (s, 18H, CH3); 13C NMR was not obtained due to the low solubility of this complex; 31P NMR (162MHz, CDCl3): delta=67.9 (s, 2P, ligand 1) ppm; C40H46Cl2N4P2Ru: calcd. C 58.82, H 5.68, N 6.86; found C 58.91, H 5.86, N 6.46.

15529-49-4, 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.,15529-49-4 ,Dichlorotris(triphenylphosphino)ruthenium (II), other downstream synthetic routes, hurry up and to see

Reference£º
Article; Alshakova, Iryna D.; Korobkov, Ilya; Kuzmina, Lyudmila G.; Nikonov, Georgii I.; Journal of Organometallic Chemistry; vol. 853; (2017); p. 68 – 73;,
Highly efficient and robust molecular ruthenium catalysts for water oxidation
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

As a common heterocyclic compound, it belongs to ruthenium-catalysts compound, name is Dichlorotris(triphenylphosphino)ruthenium (II), and cas is 15529-49-4, its synthesis route is as follows.

A 50 ml three-necked flask equipped with a stirring reflux device was charged with 1 mmol of 2-dicyclohexylphosphine aniline,1.6 mmol of m-phenylbenzyl alcohol, 1 mmol of bis-diphenylphosphine butane, 1 mmol of RuCl2 (PPh3) 3, 1 mmol of triethylamine and 20 ml of toluene were added and the mixture was heated at 110 C. for 18 h under a nitrogen atmosphere.After cooling and filtering, the resulting solid was recrystallized from a mixed solvent of CH 2 Cl 2 and petroleum ether to give product 10 in a yield of 84%.

15529-49-4, 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.,15529-49-4 ,Dichlorotris(triphenylphosphino)ruthenium (II), other downstream synthetic routes, hurry up and to see

Reference£º
Patent; Luoyang Normal College; Li Hongmei; Xu Chen; Zu Enpu; Xiao Zhiqiang; Han Xin; (12 pag.)CN104804048; (2017); B;,
Highly efficient and robust molecular ruthenium catalysts for water oxidation
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

Name is Dichlorotris(triphenylphosphino)ruthenium (II), as a common heterocyclic compound, it belongs to ruthenium-catalysts compound, and cas is 15529-49-4, its synthesis route is as follows.,15529-49-4

Add 1a (0.600g, 3.44mmol) under nitrogen protection In a 100mL three-neck bottle, Additional tris(triphenylphosphine) ruthenium dichloride (2.50 g, 2.61 mmol) and 40.0 mL of tetrahydrofuran, Stir and dissolve, then add acetyl chloride (0.22 mL, 3.13 mmol). After the addition, the mixture was heated to 73 C (external temperature: 83 C), and the reaction was stirred for 3 hours to stop the reaction. The reaction solution was concentrated under reduced pressure at 40 C. Add isopropanol / petroleum ether (1.0 mL / 20.0 mL) and stir to precipitate a solid. Filter and wash with a small amount of petroleum ether. After drying, 2.10 g of red ruthenium complex product 2a (93%) was obtained.

With the complex challenges of chemical substances, we look forward to future research findings about Dichlorotris(triphenylphosphino)ruthenium (II)

Reference£º
Patent; Zannan Science And Technology (Shanghai) Co., Ltd.; Zhan Zhengyun; (19 pag.)CN109134547; (2019); A;,
Highly efficient and robust molecular ruthenium catalysts for water oxidation
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

15529-49-4, In the chemical reaction process, reaction time, type of solvent, can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product.15529-49-4, name is Dichlorotris(triphenylphosphino)ruthenium (II) An updated downstream synthesis route of 15529-49-4 as follows.

General procedure: Diphosphine ligand (2.0 mmol) was dissolved in 10 mL of dichloromethane and the solution was added dropwise to a stirred solution of RuCl2(PPh3)3 (1.0 mmol) in 10 mL of dichloromethane. The reaction mixture was stirred approximately for 50 min at room temperature. The brown solution was filtered to remove the insoluble impurities. The solvent was reduced by a vacuum and the product was then precipitated by adding n-hexane. The yellow solid was filtered and washed three times with 20 mL of diethyl ether.

15529-49-4, As the paragraph descriping shows that 15529-49-4 is playing an increasingly important role.

Reference£º
Article; Al-Noaimi, Mousa; Warad, Ismail; Abdel-Rahman, Obadah S.; Awwadi, Firas F.; Haddad, Salim F.; Hadda, Taibi B.; Polyhedron; vol. 62; (2013); p. 110 – 119;,
Highly efficient and robust molecular ruthenium catalysts for water oxidation
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

Dichloro[1,3-bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene][[5-[(dimethylamino)sulfonyl]-2-(1-methylethoxy-O)phenyl]methylene-C]ruthenium(II), cas is 918870-76-5, it is a common heterocyclic compound, the ruthenium-catalysts compound, its synthesis route is as follows.,918870-76-5

Example 103 Synthesis of Ru complex 6h The Ru complex (Zhan catalyst 2b, l.Ommol) and a new ligand 5h (1.5mmol) were dissolved in 20 mL of anhydrous DCM and reacted directly to form the desired Ru complex 6h in the preaence of CuCl (3.0mmol) in a 100 mL of three-neck flask filled with inert gas (Ar). The reaction mixture was stirred for 0.5 hr at room temperature. After complete, the reaction solution was filtered and purified by flask column. 378mg of yellow-green solid product 6h was obtained, yield: 52%. Ru complex 6h is confirmed by 1HNMR (400 MHz, CDC13): delta 16.52 (s, 1H, Ru=CH), 8.43 (s, 1H, N=CH), 8.10 (s, 1H), 7.46-7.22 (m, 2H), 7.73-6.96 (m, 8H), 4.19 (s, 4H, NCH2CH2N), 3.95 (s, 3H), 3.87 (s, 3H), 2.49 (s, 12H), 2.48 (s, 6H).

With the synthetic route has been constantly updated, we look forward to future research findings about Dichloro[1,3-bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene][[5-[(dimethylamino)sulfonyl]-2-(1-methylethoxy-O)phenyl]methylene-C]ruthenium(II),belong ruthenium-catalysts compound

Reference£º
Patent; ZANNAN SCITECH CO., LTD.; ZHAN, James Zheng-Yun; WO2011/79439; (2011); A1;,
Highly efficient and robust molecular ruthenium catalysts for water oxidation
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

15529-49-4, 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. 15529-49-4, name is Dichlorotris(triphenylphosphino)ruthenium (II) This compound has unique chemical properties. The synthetic route is as follows.

Under argon dichlorotris(triphenylphosphine)ruthenium(II) (1.52 g, 1.58 mmol) is added to a solution of N-(2-(diphenylphosphino)benzylidene)-2-(ethylthio)ethanamine (0.60 g, 1.58 mmol) in toluene (13 ml). After stirring for 19 h at 110 C. the reaction mixture is cooled to room temperature and evaporated under vacuo to a volume of 5 ml. To this red suspension DCM (20 ml) is added. After stirring for 15 min the suspension is filtered and dried under vacuo. Complex 6 is obtained as a red solid (0.88 g, 69%). Analytical data: 1H-NMR (400 MHz, CDCl3): 8.80 (d, J=8.84, 1H), 7.56-6.81 (m, 29H), 6.35 (m, 2H), 4.60 (m, 1H), 4.20 (m, 1H), 3.03 (m, 2H), 2.29 (m, 1H), 0.92 (t, J=7.33, 3H). 31P-NMR (500 MHz, CDCl3): 45.68 (d, J=30.23, 1P), 29.60 (d, J=30.23, 1P). MS (ESI): 811.10 (40%, M+), 776.12 (100%, [M-Cl]+). Anal. calcd. for C41H39Cl2NP2RuS: C, 60.66%; H, 4.84%; N, 1.73%. Found: C, 60.85%; H, 4.90%; N, 1.64%

As the rapid development of chemical substances, we look forward to future research findings about 15529-49-4

Reference£º
Patent; GIVAUDAN SA; GEISSER, Roger Wilhelm; OETIKER, Juerg Daniel; SCHROeDER, Fridtjof; (17 pag.)US2016/326199; (2016); A1;,
Highly efficient and robust molecular ruthenium catalysts for water oxidation
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

246047-72-3, 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.(1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene)dichloro(phenylmethylene)(tricyclohexylphosphine)ruthenium, below Introduce a new synthetic route.

To a 40 mL scintillation vial equipped with a magnetic stir bar was added C848 (0.500 g, 0.589 mmol), ^-toluenesulfonyl chloride (0.056 g, 0.30 mmol), tetrahydrothiophene 1- oxide (0.307 g, 2.94 mmol), and dichloromethane (4 mL). The reaction was stirred at ambient temperature for one hour then diluted with diethyl ether (25 mL). The precipitate was isolated by filtration, washed with diethyl ether (2 x 10 mL) followed by hexanes (1 x 15 mL) then dried in vacuum to afford C673 (0.248 g, 62.6% yield). [000131] 1H MR (400 MHz, CDCh) delta 16.12 (s, 1H), 7.82 (d, J = 7.7 Hz, 2H), 7.55 (t, J = 7.2 Hz, 1H), 7.23 (t, J = 7.7 Hz, 2H), 7.11 (br s, 2H), 6.93 (s, 1H), 6.29 (s, 1H), 4.11 – 3.94 (m, 3H), 3.86 – 3.76 (m, 1H), 2.72 (s, 3H), 2.69 (s, 3H), 2.64 (s, 3H), 2.62 – 2.45 (m, 3H), 2.35 (s, 3H), 2.27 – 2.17 (m, 1H), 2.15 (s, 3H), 2.07 (s, 3H), 2.05 – 1.91 (m, 2H), 1.84 – 1.68 (m, 2H)., 246047-72-3

The synthetic route of 246047-72-3 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; MATERIA, INC.; JOHNS, Adam, M.; (112 pag.)WO2018/38928; (2018); A1;,
Highly efficient and robust molecular ruthenium catalysts for water oxidation
Catalysts | Special Issue : Ruthenium Catalysts – MDPI