Ruthenium catalysts

15529-49-4, 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. Dichlorotris(triphenylphosphino)ruthenium (II), cas is 15529-49-4,the ruthenium-catalysts compound, it is a common compound, a new synthetic route is introduced below.

Under argon dichlorotris(triphenylphosphine)ruthenium(II) (0.53 g, 0.55 mmol) is added to a solution of 2-(diphenylphosphino)-N-(2-(methylthio)benzylidene)ethanamine (0.20 g, 0.55 mmol) in toluene (15 ml). After stirring for 20 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 hexane (20 ml) is added. After stirring for 15 min the suspension is filtered and washed with hexane (4 ml). The red filter cake is dried under vacuo for 19 h and then suspended in diethyl ether (6 ml). The suspension is filtered, washed with diethyl ether (4¡Á4 ml) and the filter cake is dried under vacuo. Complex 8 is obtained as a light-red solid (0.29 g, 67%). Analytical data: 1H-NMR (400 MHz, CDCl3): 8.78 (d, J=8.84, 1H), 8.33 (m, 1H), 7.70 (m, 3H), 7.54-7.06 (m, 25H), 4.59 (m, 1H), 4.53 (m, 1H), 2.55 (m, 2H), 1.83 (d, J=2.53, 3H). 31P-NMR (500 MHz, CDCl3): 40.62 (d, J=32.27, 1P), 36.72 (d, J=32.37, 1P). MS (ESI): 797.18 (62%, M+), 762.12 (100%, [M-Cl]+).

The chemical industry reduces the impact on the environment during synthesis,15529-49-4,Dichlorotris(triphenylphosphino)ruthenium (II),I believe this compound will play a more active role in future production and life.

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, 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.

After a 50 mL two-necked flask was purged with argon, the ligand 3be (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 over, silica gel was added to the filtrate to produce sand after filtration. The crude product was obtained by silica gel column chromatography and then washed with methanol or pentane-DCM to obtain 4be green solid product in a yield of 48%.

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; 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

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 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).

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

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.

A 50 mL two-necked flask was purged with argon and the ligands 3cy (10mmol), CuCl (30mmol, 3eq) and 30mL 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 produce sand after filtration. The crude product was obtained by silica gel column chromatography and then washed with methanol or pentane-DCM to obtain 4cy green solid product in a yield of 70%.

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; 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

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

Example 52 Synthesis of Ru complex 6a To a 50 mL two-necked round bottom flask, after filling with Ar atmosphere, were added ligand 5a (l .Ommol) and CuCl (3.0mmol, 3eq) and 30 mL dry DCM, followed by refilling with Ar three times and protected with Ar balloon in close system. Ru complex lb (l.Ommol) was added under Ar protection, and the mixture was stirred for 0.5 hr at room temperature. After the reaction was complete, the solution was filtered and the filtrate was concentrated and slurred with silica gel. The crude was obtained by silica gel column chromatography and washed with methanol or pentane-DCM to obtain 453mg of yellow-green solid product 6a, yield: 79%. Ru complex (6a) 1HNMR (400 MHz, CDC13): delta 18.53 (s, 1H, Ru=CH), 8.59 (s, 1H), 7.28-6.49 (m, 11H), 4.160 (s, 4H, NCH2CH2N), 2.50 (s, 12H), 2.42 (s, 6H).; Example 59 Synthesis of Ru complex 6h The synthetic procedure is the same as in Example 52 in 1.0 mmol scale. 106 mg of yellow-green solid product 6h was obtained (37% yield). Ru complex (6h) 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).

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; 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

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.

Example 9: Dichloro[2-(diphenylphosphino)-N-(2-(methylthio)benzyl)ethanamine]ruthenium(ll) (9) Under argon NaBH4 (0.13 g, 3.47 mmol) is added to a solution of 2-(diphenylphosphino)-N- (2-(methylthio)benzylidene)ethanamine (0.42 g, 1.16 mmol) in ethanol (7 ml). After stirring for 20 h at 80 C the reaction mixture is cooled to room temperature and DCM (10 ml) is added, followed by saturated aqueous NH4Cl-solution. The phases were separated and 5 the organic phase is washed twice with water and once with brine. The organic phase is dried over MgSO4, filtered and concentrated under vacuo. Ligand 2-(diphenylphosphino)- N-(2-(methylthio)benzyl)ethanamine is obtained as a yellow liquid (0.36 g, 86%). Analytical data: 1H-NMR (400 MHz, CDCl3): 7.76 (m, 1H), 7.44 (m, 4H), 7.34 (m, 6H), 7.24 (m, 2H), 7.12 (m, 1H), 3.86 (s, 2H), 2.81 (m, 2H), 2.49 (s, 3H), 2.34 (m, 2H), 1.75 (bs, 1H). 13C-NMR (400 MHz, CDCl3): 138.89, 138.25, 137.70, 133.13, 129.29, 128.95, 128.82, 128.05, 126.09, 125.31, 51.88, 46.43, 29.48, 16.17. 31P-NMR (500 MHz, CDCl3): -20.60 (s, IP). GC/MS: 350 (16%, [M-15]+), 318 (40%), 200 (26%), 183 (32%), 166 (11%), 152 (19%), 137 (100%), 121 (33%), 15 108 (36%), 91 (25%), 77 (13%), 45 (28%). Under argon dichlorotris(triphenylphosphine)ruthenium(ll) (0.94 g, 0.99 mmol) is added to a solution of 2-(diphenylphosphino)-N-(2-(methylthio)benzyl)ethanamine (0.36 g, 0.99 mmol) in toluene (20 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 suspension 20 hexane (20 ml) is added. After stirring for 15 min the suspension is filtered and washed with hexane (4 ml) and diethyl ether (2 x 4 ml). The light-brown filter cake is dried under vacuo for 19 h and then suspended in diethyl ether (5 ml). After stirring for 15 min the suspension is filtered, washed with diethyl ether (3 x 1 ml) and the filter cake is dried under vacuo. Complex 9 is obtained as a light-brown solid (0.76 g, 96%). Analytical data: 1H-NMR (400 MHz, CDCl3): 7.80 (m, 6H), 7.69 (m, 1H), 7.47 (m, 3H), 7.31-7.01 (m, 17H), 6.88 (dt, 7=2.02, 7.58, 1H), 7.18 (d, 7=7.33, 1H), 5.48 (bs, 1H), 5.23 (d, 7=12.63, 1H), 4.11 (m, 1H), 3.89 (m, 1H), 3.00 (m, 1H), 2.07 (m, 1H), 1.12 (m, 1H), 1.08 (s, 3H). 31P-NMR (500 M Hz, CDCl3): 49.83 (d, 7=27.74, 1P), 37.96 (d, 7=27.74, 1P). Anal, calcd. for C40H39Cl2NP2R11S: C, 60.07 %; H, 4.92 %; N, 1.75 %. Found : C, 60.36 %; H, 4.79 %; N, 1.47 %.

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; GIVAUDAN SA; GEISSER, Roger Wilhelm; OETIKER, Juerg Daniel; SCHROeDER, Fridtjof; WO2015/110515; (2015); 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.

To a solution of 18 (10.5 g, 22.4 mmol) in THF (120 mL) was added TBAF (1.0 mol/L in THF, 90 mL, 90 mmol) at 20 C, and the mixture was stirred for 5 h. Then, the mixture was concentrated under reduced pressure, and the residue was purified by recrystallization (PhH + H2O) to give 19 (7.50 g, 21.2 mmol, 95%) as a colorless needle. 19: mp 217e219 C; [a]D24 39.7 (c 0.0350, CHCl3); IR (KBr) n 3484, 3054, 3026, 2891, 1436, 1380, 1265, 1103, 1031, 861, 828, 801, 744, 678, 549, 476 cm1; 1H NMR (400 MHz, CDCl3) d 2.36e2.45 (1H, m), 2.66 (1H, ddd, J 3.6, 8.3, 15.9 Hz), 2.80 (1H, s), 3.34 (1H, t, J 8.5 Hz), 3.39 (1H, ddd, J 4.0, 9.7, 19.4 Hz), 3.53 (1H, dt, J 5.2, 9.7 Hz), 3.65 (1H, t, J 9.3 Hz), 3.77 (1H, t, J 10.5 Hz), 3.89 (1H, t, J 8.8 Hz), 4.07 (1H, brqd, J 2.9, 15.3 Hz), 4.35e4.40 (2H, m), 5.73(1H, s), 5.82e5.88 (1H, m), 5.92e5.98 (1H, m), 7.46e7.50 (2H, m), 7.62 (1H, d, J 8.5 Hz), 7.82e7.88 (3H, m), 7.99 (1H, s); 13C NMR (100 MHz, CDCl3) d 34.3 (CH2), 68.5 (CH2), 68.9 (CH2), 69.9 (CH), 73.6 (CH), 76.4 (CH), 80.9 (CH), 87.8 (CH), 101.9 (CH), 123.8 (CH), 125.8 (CH), 126.1 (CH), 126.4 (CH), 127.3 (CH), 127.7 (CH), 128.2 (CH),128.4 (CH), 131.7 (CH), 132.9 (C), 133.7 (C), 134.4 (C); EI-HRMS (m/z) calcd for C21H22O5 [M]: 354.1467, found: 354.1464.

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; Sato, Takuto; Nogoshi, Keisuke; Goto, Akiyoshi; Domon, Daisuke; Kawamura, Natsumi; Nomura, Yoshitaka; Sato, Daisuke; Tanaka, Hideki; Murai, Akio; Katoono, Ryo; Kawai, Hidetoshi; Suzuki, Takanori; Fujiwara, Kenshu; Kondo, Yoshihiko; Akiba, Uichi; Tetrahedron; vol. 73; 6; (2017); p. 703 – 726;,
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.

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%.

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; Telene SAS; EP2151445; (2010); 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

To a Schlenk flask charged with Grubbs? catalyst 2 (0.42g, 0.50mmol) and CuCl (0.05g, 0.50mmol), compound 9 (0.6mmol) in 10mL dry dichloromethane was added at room temperature under N2. The resulting mixture was stirred for 40min at 40C. After being cooled to room temperature, the reaction mixture was 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 or1:1) to give the desired product as a green crystalline solid. Yield: 65.7%. Anal. Calc. for C34H43Cl2N3O2Ru: C, 58.53; H, 6.21; N, 6.02. Found: C, 58.45; H, 6.21; N, 5.95%. 1H NMR (400MHz, CDCl3) delta (ppm): 1.41 (d, J=6.3Hz, 3H), 2.38 (s, 3H), 2.40 (bs, 6H), 2.52 (bs, 12H), 2.77 (s, 3H), 2.79 (s, 3H), 4.10 (s, 4H), 5.23 (q, J=6.6, 1H), 6.54 (d, J=8.3Hz, 1H), 6.75 (s, 4H), 7.08 (s, 4H), 7.28 (d, J=8.4Hz, 1H), 16.37 (s, 1H). 13C NMR (100MHz, CDCl3) delta: 16.7, 21.4, 27.3, 36.2, 37.0, 51.9, 62.2, 73.4, 112.3, 129.4, 129.3, 129.6, 133.2, 138.3, 145.9, 149.4, 171.4, 210.5, 302.1ppm. IR (KBr) v: 3033, 2912, 2845, 2735, 1946, 1628, 1475, 1445, 1415, 1233, 1217, 1129, 1103, 853, 571cm-1.

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; Liu, Guiyan; Shao, Mingbo; Zhang, Huizhu; Wang, Jianhui; Polyhedron; vol. 76; (2014); p. 51 – 54;,
Highly efficient and robust molecular ruthenium catalysts for water oxidation
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

As a common heterocyclic compound, it belongs to quinuclidine compound,Quinuclidine-4-carboxylic acid hydrochloride,40117-63-3,Molecular formula: C8H14ClNO92,mainly used in chemical industry, its synthesis route is as follows.,15529-49-4

A 50 ml three-necked flask equipped with a stirring reflux device was charged with 1 mmol of 2-diphenylphosphineaniline,1.5 mmol of m-ethoxybenzyl alcohol, 1 mmol of bis (diphenylphosphinoethane), 1 mmol of RuCl2 (PPh3) 3, 1.5 mmol of sodium hydroxide and 20 ml of benzene at a temperature of 100 C for 24 h under a nitrogen atmosphere,After cooling and filtering, the obtained solid was recrystallized from a mixed solvent of CH 2 Cl 2 and petroleum ether to give product 4 in a yield of 86%.

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

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