Category: ruthenium-catalysts

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.,246047-72-3

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.

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; 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

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.

A 50 ml three-necked flask equipped with a stirring reflux device was charged with 1 mmol of 2-diethylphosphine aniline,1.3 mmol of o-methoxybenzyl alcohol, 1 mmol2-dicyclohexylphosphine oxide, 1 mmol RuCl2 (PPh3) 3, 1.1 mmol potassium hydroxide, 20 ml benzene and heating at a temperature of 100 C for 18 h under a nitrogen atmosphere,After cooling and filtering, the resulting solid was recrystallized from a mixed solvent of CH 2 Cl 2 and petroleum ether to give product 15 in a yield of 80%., 15529-49-4

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

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

As a common heterocyclic compound, it belongs to quinuclidine compound,Quinuclidine-4-carboxylic acid hydrochloride,40117-63-3,Molecular formula: C8H14ClNO291,mainly used in chemical industry, 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%.

With the synthetic route has been constantly updated, we look forward to future research findings about (1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene)dichloro(phenylmethylene)(tricyclohexylphosphine)ruthenium,belong ruthenium-catalysts compound

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

As a common heterocyclic compound, it belongs to quinuclidine compound,Quinuclidine-4-carboxylic acid hydrochloride,40117-63-3,Molecular formula: C8H14ClNO295,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-diisopropylphosphineaniline,1.8 mmol of m-chlorobenzyl alcohol, 1 mmol of o-dicyclohexylphosphine benzene, 1 mmol of RuCl2 (PPh3) 3, 1.2 mmol of sodium hydroxide, 20 ml of dioxane and heating at 110 C. for 12 h under a nitrogen atmosphere, After filtration, the resulting solid was recrystallized from a mixed solvent of CH 2 Cl 2 and petroleum ether to give product 12 in a yield of 82%.

With the synthetic route has been constantly updated, 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

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, the ligand 3ch (10 mmol), 30 mL of 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. The crude product was obtained by silica gel column chromatography, and then washed with methanol or pentane-DCM to obtain a green solid product 4ch, yield: 74%.

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

As a common heterocyclic compound, it belongs to quinuclidine compound,Quinuclidine-4-carboxylic acid hydrochloride,40117-63-3,Molecular formula: C8H14ClNO381,mainly used in chemical industry, its synthesis route is as follows.,246047-72-3

After a 50 mL two-necked flask was purged with argon, the ligand 3bj (10 mmol), CuCl (30 mmol, 3 eq) and 30 mL of dry DCM were successively 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 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 4bj. Yield: 64%.

With the synthetic route has been constantly updated, we look forward to future research findings about (1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene)dichloro(phenylmethylene)(tricyclohexylphosphine)ruthenium,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

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, 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

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

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