Category: ruthenium-catalysts

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.,15529-49-4

To [RuCl2(PPh3)3] (360 mg, 0.375 mmol) was added a solution of la (100 mg, 0.375 mmol) in 5 ml of CH2C12 with stirring. The resulting burgundy solution was stirred at room temperature. An analysis of the reaction mixture by 31 P NMR spectroscopy after 1 hour revealed complete conversion of the starting material into the product, indicated by a resonance at delta 40.9 ppm, and the presence of free PPh3, delta -5.5 ppm). After reacting for a total of 2 hours, the burgundy solution was concentrated to approximately 40% of its original volume, followed by layering with diethyl ether (22 ml). After six days, the mother liquor was decanted, leaving a light pink powder. This powder was transferred to a filter frit, washed with diethyl ether (3 x 10 ml) and vacuum dried overnight. Isolated yield of complex A-l : 236 mg (90%). Elem. Anal: Calc’d for (0418) C32H37Ci2N2OPRuS (700.66): C, 54.86; H, 5.32; N, 4.00%. Found: C, 54.96; H, 5.19; N, 4.03%. 31P{1H} (162 MHz, CD2C12, r.t.): delta 41.0 (s). 1H NMR (400 MHz, CD2C12, r.t.): delta 2.81 (vt, J~ 14 Hz, 1H), 2.93-3.07 (m, 2H), 3.16-3.39 (m, 7H), 3.46-3.58 (m, 2H), 3.62-3.68 (m, 3H), 3.81 (vt, J~ 13 Hz, 1H), 5.88 (brs, NH, 1Eta), 6.98 (t, J~ 8 Hz, 2H), 7.20-7.33 (m, 12H), 7.72 (vt, J~ 9 Hz, 6H). 13C{1H} (100.5 MHz, CD2C12, r.t.): delta 44.9 (s, 1C), 47.0 (s, 1C), 48.4 (s, 1C), 52.9 (s, 1C), 54.7 (s, 1C), 59.3 (s, 1C), 60.2 (s, 1C), 61.6 (s, 1C), 127.1 (d, JC-P = 8.7 Hz, 6Cmeta, Pi), 127.9 (s, 2Cmeta, Ph), 128.5 (d, JC-P = 1.5 Hz, 3Cpara, PPh3), 128.6 (s, Cpam, Ph), 133.1 (s, (0419) 2Cortho, Ph), 134.5 (d, Jc-P = 9.5 Hz, 6Cortho, Pi), 134.8 (s, 1C^0, Ph), 137.7 (d, J= 36 Hz, ICipso); 31P{1H} (162 MHz, CDC13, r.t.): delta 40.3 (s). 1H NMR (400 MHz, CDC13, r.t.): delta 2.74 (vt, J~ 14 Hz, 1H), 2.94-3.02 (m, 2H), 3.11-3.45 (m, 9H), 3.51-3.70 (m, 5H), 3.78 (vt, J~ 13 Hz, 1H), 5.87 (brs, NH, 1Eta), 6.95 (t, J~ 8 Hz, 2H), 7.15-7.32 (m, 12H), 7.72 (t, J~ 9 Hz, 6H). 13C{1H} (100.5 MHz, CDC13, r.t.): delta 45.2 (s, 1C), 47.2 (s, 1C), 48.5 (s, 1C), 52.8 (s, 1C), 54.8 (s, 1C), 58.9 (s, 1C), 60.2 (s, 1C), 61.6 (s, 1C), 127.3 (d, Jc_P = 8.7 Hz, 6Cmeta, Pi), 128.1 (s, 2Cmeta, Ph), 128.7 (d, Jc-P = 1.5 Hz, 3Cpara, Pi), 128.8 (s, Cpara, Ph), 133.2 (s, 2Cortho, Ph), 134.6 (d, Jc-P = 9.5 Hz, 6Cortho, Pi), 134.5 (s, lCipso, Ph), 137.1 (d, J= 36 Hz, 3Cipso).

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

Reference£º
Patent; LOS ALAMOS NATIONAL SECURITY, LLC; DUB, Pavel, A.; GORDON, John, Cameron; WO2015/191505; (2015); A1;,
Highly efficient and robust molecular ruthenium catalysts for water oxidation
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

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

In a flame dry Schlenk tube 2nd generation Grubbs catalyst(98 mg, 0.11 mmol), CuCl (12.0 mg, 0.12 mmol) and ligand precursor 7 (35.0 mg, 0.11 mmol) were placed. Then, dry DCM was addedunder atmosphere of argon and a mixture was heated to 30 C. The progress of the reaction was monitored by TLC (c-Hex:EtOAc, 2:1).After 20 min the reaction mixture was cooled down to RT and thesolvent was evaporated. Purification by silica-gel chromatography(c-Hex:EtOAc, 10:1, followed by c-Hex:EtOAc, 3:2) yielded brick-redsolid (48%). A single crystal of compound 11 suitable for X-raydiffraction studies was grown at a temperature of 5 C from atrichloromethane/n-hexane solution. 1H NMR (400 MHz, CD2Cl2): delta= 17.9 (s, 1H, Ru]CHAr), 8.50 (d, 1H, J 12.0, Ar-H), 7.87 (dd, 1H,J 16.0, 8.0, Ar-H), 7.45-6.88 (m, 10H, Ar-H), 4.28-4.04 (m, 4H,CH2 2), 2.67-2.34 (br, 15H, CH3 5), 2.01 (s, 3H, CH3); 13C NMR(125 MHz, CD2Cl2): delta=303.9, 210.9, 142.8, 140.3, 136.8, 134.5, 132.7,130.5, 129.5, 128.7, 128.0, 125.7, 125.0, 123.0, 116.6, 77.5, 52.2, 51.1,20.9, 19.9, 19.8, 18.4, 17.6; IR (film from CH2Cl2): n 2913, 1607,1481, 1414,1258, 1013, 924, 849, 806, 763, 645, 576, 552 cm1; Anal.Calcd. for C34H36BrCl2N4ORu: C, 53.13; H, 4.72; N, 7.29; Found: C,53.81; H, 4.76; N, 7.27, m/z 791.0, [MNa].

As the rapid development of chemical substances, we look forward to future research findings about 246047-72-3

Reference£º
Article; Szwaczko, Katarzyna; Czelu?niak, Izabela; Grela, Karol; Journal of Organometallic Chemistry; vol. 847; (2017); p. 146 – 153;,
Highly efficient and robust molecular ruthenium catalysts for water oxidation
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.246047-72-3,(1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene)dichloro(phenylmethylene)(tricyclohexylphosphine)ruthenium,as a common compound, the synthetic route is as follows.

Complex 1 (2.0 grams) was dissolved in toluene (10 mL), and 4-phenylpyridine (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 dark green was observed. The reaction mixture was transferred into 75 mL of cold (about 0 C.) pentane, and a dark green solid precipitated. The precipitate was filtered, washed with 420 mL of cold pentane, and dried under vacuum to afford (IMesH2)(C11H9N)2(Cl)2Ru-CHPh 13 as a dark green powder (2.0 grams, 97% yield). [00135] 1H NMR (500 MHz, CD2Cl2): d19.23 (s, 1H, CHPh), 8.74 (br. s, 2H, pyridine), 7.91 (br. s, 2H, pyridine), 7.70-7.08 (multiple peaks, 19H, ortho CH, para CH, meta CH, pyridine), 6.93 (br. S, 2H, Mes CH) 6.79 (br. s, 2H, Mes CH), 4.05 (br. s, 4H, NCH2CH2N), 2.62-2.29 (multiple peaks, 18H, Mes CH3).

246047-72-3, 246047-72-3 (1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene)dichloro(phenylmethylene)(tricyclohexylphosphine)ruthenium 11147261, aruthenium-catalysts compound, is more and more widely used in various fields.

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

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

After a 50 mL two-necked flask was purged with argon, the ligands 5 s (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 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 completed, silica gel was added to the filtrate to prepare a sand product. The crude product was obtained by silica gel column chromatography, and then washed with methanol or pentane-DCM to obtain a yellow-green solid product 6s in a yield of 37%.

As the rapid development of chemical substances, we look forward to future research findings about 246047-72-3

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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

(1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene)dichloro(phenylmethylene)(tricyclohexylphosphine)ruthenium, cas is 246047-72-3, it is a common heterocyclic compound, the ruthenium-catalysts compound, its synthesis 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

15529-49-4, Dichlorotris(triphenylphosphino)ruthenium (II) is a ruthenium-catalysts compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

General procedure: A methanol (10ml) solution containing the appropriate N-S pro-ligand and triethylamine was refluxed under argon for 15min and then the complex [RuCl2(PPh3)3] was added. The resulting brown suspension was refluxed for 3h, to afford a yellow suspension. After cooling, the yellow solid was collected by filtration, washed with methanol (3¡Á5ml), and dried under reduced pressure. 2.6.2 [Ru(mcbtz)2(PPh3)2] (2) Hmcbtz (0.035 g – 2.0 * 10-4 mol); NEt3 (30 mul – 2.0 * 10-4 mol), and [RuCl2(PPh3)3] (0.095 g – 9.9 * 10-5 mol). Yield: 65 mg – 68.5%. 31P{1H} NMR (81 MHz, CDCl3) 52.2 ppm (s). 1H NMR (200 MHz, CDCl3), delta/ppm 8.0-6.5 (m, 30H Ph – PPh3 and 8H Ph – mcbtz-). Anal.exp. (calc. for C50H38N2P2RuS4) C-62.3 (62.7); H, 4.0 (4.0); N, 2.8 (2.9); S, 12.8(13.4).

15529-49-4, 15529-49-4 Dichlorotris(triphenylphosphino)ruthenium (II) 11007548, aruthenium-catalysts compound, is more and more widely used in various fields.

Reference£º
Article; Appelt, Patricia; Fagundes, Francisco D.; Facchin, Gianella; Gabriela Kramer; Back, Davi F.; Cunha, Mario A.A.; Sandrino, Bianca; Wohnrath, Karen; De Araujo, Marcio P.; Inorganica Chimica Acta; vol. 436; (2015); p. 152 – 158;,
Highly efficient and robust molecular ruthenium catalysts for water oxidation
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

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

Grubbs second generation catalyst (100 mg, 0.117 mmol), 2-[(2,4,6-trimethylphenylimino)methyl]phenol (pKa: 8.84+/- 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 chromatography column to give an orange-brown complex. Yield 30%.

246047-72-3 is used more and more widely, we look forward to future research findings about (1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene)dichloro(phenylmethylene)(tricyclohexylphosphine)ruthenium

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

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

Example4 Synthesis of the Complex 3 According to the Invention [0080] The commercially available complex G (1.0 g, 1.18 mmol) was placed in a flask, to which methylene chloride was added (24 ml). This was followed by adding the compound of the formula: (141 mg, 1.17 mmol) and tricyclohexylphosphine (330 mg, 1.18 mmol). The resulting solution was stirred at a temperature of 40 C. for 5 hours. 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 3 was obtained as a green solid (797 mg, 82% yield). The NMR data are consistent with Example 3.

As the rapid development of chemical substances, we look forward to future research findings about 246047-72-3

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

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.,15529-49-4

(PPh3)3RuCI2 (1 eq., 0.575 g, 0.6 mmol) and 3-(2,3-dimethoxy-5-(methoxymethyl)phenyl)- 4,4-dimethylpent-1-yn-3-ol (1.5 eq., 0.263 g, 0.9 mmol) were added in 4 ml HClldioxane solution (0.15 molIl). The solution was heated to 90C for 3 hour, after which the solvent was removed under vacuum. Hexane (20 ml) was added to the flask and the solid was ultrasonically removed from the wall. The resulting suspension was filtered and washed two times using hexane (5 ml). The remaining solvent was evaporated affording a orange powder; 0.31 g (Yield: 80 %). The product was characterized by NMR spectra 31P.31P NMR (121.49 MHz, CDCI3): 652.09.

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

Reference£º
Patent; GUANG MING INNOVATION COMPANY (WUHAN); W.C. VERPOORT, Francis; YU, Baoyi; WO2014/108071; (2014); A1;,
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.,15529-49-4

General procedure: To a round-bottomed flask with a stir bar was placed with [Ru(PPh3)3Cl2] (868 mg, 2.0 mmol) under the nitrogen. Pre-dried THF(10 mL) was added and the resulting mixture was stirred at room temperature. Then salen-enH2 (536 mg, 2.0 mmol) and a little excess of Et3N (252 mg, 2.5 mmol) in THF (5 mL) were added. The reaction mixture was stirred at room temperature overnight. After removal of solvents, CH2Cl2 (15 mL) was added and the solution was filtered through cilite. The filtrate was concentrated and the residue was washed with Et2O (5mL 2) and hexane (5 mL 2) to give the desired product. Recrystallization from CH2Cl2/Et2O (1:2) afforded green block-shaped crystals of [RuCl(PPh3)(salen)] (3) suitable for X-ray diffraction in three days. Yield: 1011 mg, 76% (based on Ru).

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

Reference£º
Article; Tang, Li-Hua; Wu, Fule; Lin, Hui; Jia, Ai-Quan; Zhang, Qian-Feng; Inorganica Chimica Acta; vol. 477; (2018); p. 212 – 218;,
Highly efficient and robust molecular ruthenium catalysts for water oxidation
Catalysts | Special Issue : Ruthenium Catalysts – MDPI