Day: September 10, 2020

246047-72-3, (1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene)dichloro(phenylmethylene)(tricyclohexylphosphine)ruthenium is a ruthenium-catalysts compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

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

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
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

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.

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

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

Reference£º
Patent; Telene SAS; EP2151446; (2010); A1;,
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.15529-49-4,Dichlorotris(triphenylphosphino)ruthenium (II),as a common compound, the synthetic route is as follows.

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)., 15529-49-4

The synthetic route of 15529-49-4 has been constantly updated, and we look forward to future research findings.

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

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

A mixture of [RuCl2(PPh3)3] (50 mg, 0.052 mmol) and bipy (10mg, 0.06 mmol) were charged in a two necked round bottomed flask and kept under vacuum for 15 min. 20 mL of dry acetone was then added and the brown mixture was stirred under argon atmosphere for approximately 30 min. A light yellowish-brown solid was precipitated that was filtered off, washed with diethylether (2 5 mL) and subsequently dried in vacuo. Yield: 90 %(40 mg). UV-Vis (e, Mu1 cm1): kmax (CH2Cl2) = 490 (5370), 350(9640).

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

Reference£º
Article; Zacharopoulos, Nikolaos; Kolovou, Evgenia; Peppas, Anastasios; Koukoulakis, Konstantinos; Bakeas, Evangelos; Schnakenburg, Gregor; Philippopoulos, Athanassios I.; Polyhedron; vol. 154; (2018); p. 27 – 38;,
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.15529-49-4,Dichlorotris(triphenylphosphino)ruthenium (II),as a common compound, the synthetic route is as follows.,15529-49-4

2-Chloro-benzoic acid (55mg, 0.35mmol) in dry THF was treated with triethylamine (0.20mL) and the mixture was stirred at ambient temperature for 1h. [RuCl2(PPh3)3] (335mg, 0.35mmol) was added and the reaction mixture was stirred overnight at room temperature, during which there was a color change from brown to deep green. The solvent was removed under reduced pressure. The residue was washed with diethyl ether and hexane. Recrystallization from CH2Cl2/Et2O afforded deep green crystals of 2 in five days. Yield: 206mg, 69% (based on Ru). IR (KBr disc, cm-1): nu(OCO) 1511 (s) and 1468 (s). MS (FAB): m/z=852 [M]+, 817 [M-Cl]+, 782 [M-2Cl]+. mueff=1.96muB. Anal. for C40H35O2Cl2P2Ru: calcd. C 60.61, H 4.22%; found C 60.47, H 4.16%.

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

Reference£º
Article; Gu, Jiling; Shi, Li-Miao; Ma, Xiu-Fang; Jia, Ai-Quan; Zhang, Qian-Feng; Inorganica Chimica Acta; vol. 466; (2017); p. 382 – 388;,
Highly efficient and robust molecular ruthenium catalysts for water oxidation
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

246047-72-3, (1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene)dichloro(phenylmethylene)(tricyclohexylphosphine)ruthenium is a ruthenium-catalysts compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

After a 50 mL two-necked flask was purged with argon, a ligand 7b (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 to produce 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 8b in a yield of 79%., 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

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.

After a 50 mL two-necked flask was purged with argon, the ligand 3 cp (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 completion of the reaction, silica gel was added to the filtrate after filtration, and the crude product was obtained by silica gel column chromatography, and then washed with methanol or pentane-DCM to obtain a green solid product 4cp, yield: 68%.

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; 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

RuCl2 (PPh3) 3 (800 mg, 0.83mmol) and (1R, 2R) -1, 2-diphenylethylenediamine (195 mg, 0.92 mmol) are weighed and charged into a 20-mL Schlenk flask. The flask was reduced pressure to degas therein and then nitrogen gas was introduced into the flask. Dichloromethane (8 mL) was added thereto through a syringe, and the mixture was stirred under nitrogen atmosphere at room temperature for 3 hours. The reaction solution was then Celite-filtered, and the Celite layer was washed with dichloromethane (2mL). The filtrate obtained was concentrated under reduced pressure to a volume of about 2 mL; hexane (16 mL) was added thereto; and the mixture was stirred at room temperature for 1 hour. The precipitate was collected by filtration under nitrogen atmosphere, and the powder obtained was dried under reduced pressure (1 mmHg), to give 531 mg of a desired product (yield: 70%).

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

Reference£º
Patent; Takasago International Corporation; EP1970360; (2008); A1;,
Highly efficient and robust molecular ruthenium catalysts for water oxidation
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

246047-72-3, (1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene)dichloro(phenylmethylene)(tricyclohexylphosphine)ruthenium is a ruthenium-catalysts compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated,246047-72-3

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 4¡Á20 mL of cold pentane, and dried under vacuum to afford (IMesH2)(C11H9N)2(Cl)2RuCHPh 13 as a dark green powder (2.0 grams, 97% yield). 1H NMR (500 MHz, CD2Cl2): delta19.23 (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).

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

Reference£º
Patent; Grubbs, Robert H.; Morgan, John P.; Love, Jennifer A.; Trnka, Tina M.; US2003/236427; (2003); 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-Dimesitylimidazolidin-2-ylidene)(2-isopropoxybenzylidene)ruthenium(VI) chloride, and cas is 301224-40-8, its synthesis route is as follows.,301224-40-8

General procedure: In a glove box, a flask was charged with Ru complex 4 or 5 and Ag salt 3. Anhydrous degassed CH2Cl2 was then added and the resulting mixture was stirred at room temperature for 3h in the dark. The solids were filtered off through a Celite layer and washed with anhydrous (2mL). The solution was diluted with anhydrous hexane (10mL) and remaining precipitated Ag salt was again filtered off. Evaporation of the solvents on a rotary vacuum evaporator (40C, 1h, 25kPa) and finally at oil pump vacuum (25C, 1h, 1kPa) gave the products 1 or 2.

With the complex challenges of chemical substances, we look forward to future research findings about 301224-40-8,belong ruthenium-catalysts compound

Reference£º
Article; Lipovska, Pavlina; Rathouska, Lucie; ?im?nek, Ond?ej; Ho?ek, Jan; Kola?ikova, Viola; Ryba?kova, Marketa; Cva?ka, Josef; Svoboda, Martin; Kvi?ala, Jaroslav; Journal of Fluorine Chemistry; vol. 191; (2016); p. 14 – 22;,
Highly efficient and robust molecular ruthenium catalysts for water oxidation
Catalysts | Special Issue : Ruthenium Catalysts – MDPI