Month: October 2020

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.,246047-72-3

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).

With the complex challenges 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; 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 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

General procedure: The amine (4-CH3-pip, 4-CH2Ph-pip or 4-CH2(OH)-pip;0.34 mmol) was added to a solution of [RuCl2(PPh3)3] (0.26 mmol;0.25 g) in acetone (40 mL). The resulting dark green solution wasstirred for 2 h at RT. A green precipitate was formed, filtered,washed with methanol and ethyl ether, and then dried in vacuum.

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

Reference£º
Article; Chaves, Henrique K.; Ferraz, Camila P.; Carvalho Jr., Valdemiro P.; Lima-Neto, Benedito S.; Journal of Molecular Catalysis A: Chemical; vol. 385; (2014); p. 46 – 53;,
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.,246047-72-3

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.

With the complex challenges 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
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

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

(PPh3)3RuCI2 (1 eq., 0.575 g, 0.6 mmol) and 1-c-hexyl-1-phenyl-prop-2-yn-1-ol (compound E, 1.5 eq., 0.19 g, 0.9 mmol) were added in 4 ml HCI/dioxane solution (0.15 mol/l). 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 red-brown powder; 0.51 g (Yield: 95 %). The product was characterized by NMR spectra 31P.31P NMR (121.49 MHz, CDCI3): 629.64.

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

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

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.,246047-72-3

After a 50 mL two-necked flask was purged with argon, 3 g (10 mmol) of ligand, 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 over, 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 green solid product 4cs in a yield of 82%.

With the complex challenges of chemical substances, we look forward to future research findings about 246047-72-3,belong ruthenium-catalysts compound

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

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: Synthesis of the ruthenium(II) Schiff base complexes (2a-d) was accomplished according to the following procedure: To a solution of Schiff base 1a-d in methanol was added dropwise a solution of NaOH in methanol and the reaction mixture was stirred for 2hat room temperature. The deprotonated ligand mixture was transferred by cannula to a 50-mL three-necked flask fitted with a reflux condenser containing the [RuCl2(PPh3)3] precursor, stirred mixture was refluxed for 4h. A yellow precipitate was then filtered and washed with methanol and ethyl ether and then dried in a vacuum.

15529-49-4 is used more and more widely, we look forward to future research findings about Dichlorotris(triphenylphosphino)ruthenium (II)

Reference£º
Article; Afonso, Maria Beatriz A.; Cruz, Thais R.; Silva, Yan F.; Pereira, Joao Clecio A.; Machado, Antonio E.H.; Goi, Beatriz E.; Lima-Neto, Benedito S.; Carvalho-Jr, Valdemiro P.; Journal of Organometallic Chemistry; vol. 851; (2017); p. 225 – 234;,
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 1 ,1-bis-2-methylphenyl-prop-2-yn-1-ol (compound C, 1 .5 eq., 0.213 g, 0.9 mmol) were added in 4 ml HCI/dioxane solution (0.15 mol/l). 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 red-brown powder; 0.52 g (Yield: 95 %). The product was characterized by NMR spectra H and P. 1H NMR (300 MHz, CDCI3, TMS): delta 7.56 (dd, 1 1 H), 7.37 (t, 6 H), 7.21-7.31 (m, 13 H), 7.09 (tetra, 3 H), 6.95 (t, 3 H), 6.47 (t, 1 H), 6.14 (s, 1 H), 2.20 (s, 3 H), 1.66 (s, 3 H). 31 P NMR (121.49 MHz, CDCI3): delta 29.33.

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

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

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.,15529-49-4

c) Preparation of the Complex Dichloro bis[3-(Diphenylphosphino)-1-propylamine]Ruthenium; ([RuCl2(L-2)2]). Under argon, a round-bottomed Schlenck flask, equipped with a magnetic stirring bar, was charged with RuCl2(PPh3)3 (1.028 g, 1.07 mmol) and with a solution of 3-(diphenylphosphino)-1-propylamine (566.8 mg, 2.33 mmol) in toluene (5 mL). More toluene (5 mL) was added to rinse. Then the dark-brown solution was heated in an oil bath at 100 C. for 16 h. The resulting brick-orange suspension was cooled to room temperature, and added to pentane (50 mL) with stirring. The yellow solid was collected by filtration, washed with pentane (2¡Á3 mL) and dried in vacuo to provide the desired complex (672.6 mg, 1.02 mmol, 95%) as a yellow-mustard solid. 31P{1H}-NMR analysis showed the presence of two species. 1H-NMR (CD2Cl2): delta (A) 7.19 (t, J=7.2 Hz, 4H), 7.14 (m, 8H), 7.05 (t, J=7.2 Hz, 8H), 3.28 (brs, 4H), 3.02 (brs, 4H), 2.66 (m, 4H), 2.0 (m, 4H). 13C-NMR (CD2Cl2): delta (A) 138.4 (t, J=19.2 Hz, Carom), 134.2 (t, J=4.8 Hz, CHarom), 129.0 (CHarom), 127.5 (t, J=4.8 Hz, CHarom), 41.3 (CH2), 26.9 (t, J=13.6 Hz, CH2), 24.7 (CH2). 31P{1H}-NMR (CD2Cl2): A (82%) delta=33.5 ppm (s), B (18%) delta=49.8 ppm (s).

With the complex challenges of chemical substances, we look forward to future research findings about 15529-49-4,belong ruthenium-catalysts compound

Reference£º
Patent; SAUDAN, Lionel; Dupau, Philippe; Riedhauser, Jean-Jacques; Wyss, Patrick; US2008/71121; (2008); A1;,
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

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).

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

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

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.,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%.

With the complex challenges 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; Telene S.A.S.; US2011/65925; (2011); A1;,
Highly efficient and robust molecular ruthenium catalysts for water oxidation
Catalysts | Special Issue : Ruthenium Catalysts – MDPI