Tag: M.W:800-900

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.

Complex 1 (2.0 grams) was dissolved in toluene (10 mL), and 3-bromopyridine (1.50 grams, 4 mol equivalents) was added. The reaction flask was purged with argon and the reaction mixture was stirred for approximately 12 hours at about 20 C. to about 25 C. during which time a color change from dark purple to light green was observed. The reaction mixture was transferred into 75 mL of cold (about 0 C.) pentane, and a light green solid precipitated. The precipitate was filtered, washed with 4¡Á20 mL of cold pentane, and dried under vacuum to afford (IMesH2)(C5H4BrN)2(Cl)2RuCHPh 6 as a light green powder (1.8 grams, 86% 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; California Institute of Technology; Cymetech, LLP; US6759537; (2004); B2;,
Highly efficient and robust molecular ruthenium catalysts for water oxidation
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

Name is (1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene)dichloro(phenylmethylene)(tricyclohexylphosphine)ruthenium, as a common heterocyclic compound, it belongs to ruthenium-catalysts compound, and cas is 246047-72-3, its synthesis route is as follows.

To a solution of 6a (45.0 mg, 0.07 mmol) in anhydrous CH2Cl2 (6.0 ml) was added 2ndgeneration Grubbs catalyst (53.4 mg, 0.06 mmol) and CuCl (I) (13.9 mg, 0.14 mmol)under nitrogen at 30 C and stirred for 3 h. The reaction mixture was concentrated invacuo, and the residue was purified by column chromatography on silica gel (hexane /CH2Cl2 = 1 / 1) to give 2e (28.9mg, 37%).Green crystals; mp 135-137 C (dec.); 1H NMR (270 MHz, CDCl3) delta 1.21 (d, J = 6.2Hz, 10H), 2.38-2.47 (m, 18H), 3.79 (s, 3H), 4.20 (s, 4H), 5.80-5.75 (m, 1H), 6.73 (s,1H), 7.06 (s, 4H), 16.32 (s, 1H); 19F NMR (466 MHz, CDCl3) delta -80.6 (3F) -109.9 (2F),-121.1 (4F), -121.7 (4F), -122.5 (2F), -125.9 (2F); 13C NMR (68 MHz, CDCl3) delta 21.9,22.5, 26.1, 26.4, 29.7, 30.3, 51.4, 56.0, 75.9, 76.2, 109.3, 116.8, 122.8, 123.8, 126.6,127.6, 128.7, 132.8, 137.3, 139.1, 147.1, 149.6, 209.6, 295.0; IR (FT) 3853, 3737, 3638,2935, 2856, 2363, 2326, 1581, 1455, 1187, 1104, 898, 747 cm-1; HRMS (FAB) m/z[M+H]+ calcd for C40H40Cl2F17N2O2Ru 1076.1239; found 1076.1250.

246047-72-3, 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.,246047-72-3 ,(1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene)dichloro(phenylmethylene)(tricyclohexylphosphine)ruthenium, other downstream synthetic routes, hurry up and to see

Reference£º
Article; Kobayashi, Yuki; Suzumura, Naoki; Tsuchiya, Yuki; Goto, Machiko; Sugiyama, Yuya; Shioiri, Takayuki; Matsugi, Masato; Synthesis; vol. 49; 8; (2017); p. 1796 – 1807;,
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 (1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene)dichloro(phenylmethylene)(tricyclohexylphosphine)ruthenium, and cas is 246047-72-3, its synthesis route is as follows.

A suspension of 1.00 g (1.18 mmol) of [RuCl2(PCyS Xlm^MesXphenylmethylene)] (commercially available from Sigma- Aldrich Inc., St. Louis, USA), 0.13 g (1.30 mmol) of copper chloride and 0.36 g (1.30 mmol) of l-morpholine-4-yl-2-[((E,Z)-2-propenyl)-phenoxy]- propan-1-one as a 4:1 mixture ofE/Z-isomers in 75 ml of dichloromethane was stirred for 30 min at 400C. The reaction mixture was evaporated to dryness at 400C/ 10 mbar. The residue was stirred in 250 ml of ethyl acetate for 30 min at room temperature. The dark green suspension was filtered and the filtrate was evaporated to dryness at 40C/10 mbar. The crude title product was purified by silica gel chromatography (cyclo-hexane/ethyl acetate 1 :2) to yield 0.38 g (45% yield) of the title compound as a green powder.MS: 725.2 (M+). Anal, calcd. for C35H43Cl2N3O3Ru ? 1Z2 CH2Cl2: C, 55.51; H, 5.77; N, 5.47; Cl, 13.85. Found: C, 54.75; H, 5.76; N, 5.30; Cl, 13.71.Crystals of the title compound suitable for X-ray crystal structure analysis were grown by vapor diffusion of pentane into a solution of 10 mg of [RuCl2(=CH(o-OCH(Me)CO-JV- Morpho IuIe)Ph)(ImH2MeS)] in 0.5 ml of dichloromethane at room temperature.Fig. 2 shows a labeled view of the complex of formula F.

246047-72-3, 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.,246047-72-3 ,(1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene)dichloro(phenylmethylene)(tricyclohexylphosphine)ruthenium, other downstream synthetic routes, hurry up and to see

Reference£º
Patent; F. HOFFMANN-LA ROCHE AG; WO2009/124853; (2009); A1;,
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.

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

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

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.246047-72-3, name is (1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene)dichloro(phenylmethylene)(tricyclohexylphosphine)ruthenium An updated downstream synthesis route of 246047-72-3 as follows., 246047-72-3

Grubbs second generation catalyst (100 mg, 0.117 mmol), 2-[(2,6-dimethylphenylimino)methyl]phenol (pKa: 8.85+/- 0.30) (0.117 mmol), silver (I) carbonate (16.27 mg, 0.058 mmol), and THF (2 ml) were reacted at room temperature during 2 h. The solvent was evaporated and crude reaction product purified on a chromatography column to give an orange-brown complex. Yield 22%.

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; Telene SAS; EP2151445; (2010); A1;,
Highly efficient and robust molecular ruthenium catalysts for water oxidation
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

246047-72-3, 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.246047-72-3, name is (1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene)dichloro(phenylmethylene)(tricyclohexylphosphine)ruthenium An updated downstream synthesis route of 246047-72-3 as follows.

After a 50 mL two-necked flask was purged with argon, the ligand 3cw (10 mmol), CuCl (30 mmol, 3 eq) and 30 mL of dry DCM were sequentially added and the mixture was purged three times with argon to protect the closed system with an argon balloon. Ruthenium complex 1b (12 mmol) was added under argon atmosphere, and the reaction was carried out at room temperature for 0.5 hour. After the reaction was over, silica gel was added to the filtrate after filtration to obtain sand. The crude product was obtained by silica gel column chromatography and then washed with methanol or pentane-DCM to obtain a green solid product 4cw, yield: 85%.

246047-72-3, As the paragraph descriping shows that 246047-72-3 is playing an increasingly important role.

Reference£º
Patent; Zannan Science And Technology (Shanghai) Co., Ltd.; Zhan Zhengyun; (102 pag.)CN104262403; (2017); B;,
Highly efficient and robust molecular ruthenium catalysts for water oxidation
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

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. 246047-72-3, name is (1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene)dichloro(phenylmethylene)(tricyclohexylphosphine)ruthenium This compound has unique chemical properties. The synthetic route is as follows. 246047-72-3

Example 5 Synthesis of the Complex 4 According to the Invention [0081] The commercially available complex G (200 mg, 0.24 mmol) was placed in a flask, to which methylene chloride was added (6 ml). This was followed by adding the compound of the formula: (78 mg, 0.47 mmol) and tricyclohexylphosphine (132 mg, 0.47 mmol). The resulting solution was stirred at a temperature of 40 C. for 1 hour. The reaction mixture was introduced at the top of a chromatographic column packed with silica gel (eluent: ethyl acetate/cyclohexane, 0 to 10 vol. %). After evaporating the solvents, the complex 4 was obtained as a brown solid (104 mg, 50% yield). [0082] 1H NMR (500 MHz, CD2Cl2) delta ppm: 16.42 (s, 1H), 8.00 (dd, J=9.3, 2.7 Hz, 1H), 7.53 (d, J=2.7 Hz, 1H), 7.12 (s, 1H), 7.06 (s, 2H), 6.69 (d, J=9.3 Hz, 1H), 6.22 (s, 1H), 4.07-4.03 (m, 1H), 3.88-3.77 (m, 2H), 3.73-3.67 (m, 1H), 2.64 (s, 3H), 2.56 (s, 3H), 2.51 (s, 3H), 2.39 (s, 3H), 2.27 (s, 3H), 1.64-1.50 (m, 13H), 1.46 (m, 3H), 1.12-0.75 (m, 20H). 13C NMR: (125 MHz, CD2Cl2) delta ppm: 282.23 (d), 220.27, 219.73, 184.63 (d), 145.82, 139.23 (d), 139.08, 138.89, 137.46, 136.76, 136.69, 134.24, 134.00, 130.55, 130.36, 129.41 (d), 125.78, 117.59, 115.27, 52.14 (d), 51.63 (d), 34.52, 32.77, 32.64, 29.40, 28.91, 28.00 (m), 26.90 (d), 22.73, 21.34, 21.01, 19.41, 18.63, 18.53, 17.10, 14.21.

With the rapid development of chemical substances, we look forward to future research findings about (1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene)dichloro(phenylmethylene)(tricyclohexylphosphine)ruthenium

Reference£º
Patent; Skowerski, Krzysztof; Bieniek, Michal; US2015/158896; (2015); A1;,
Highly efficient and robust molecular ruthenium catalysts for water oxidation
Catalysts | Special Issue : Ruthenium Catalysts – MDPI