ruthenium-catalysts| Page 514 of 568

Downstream synthetic route of (1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene)dichloro(phenylmethylene)(tricyclohexylphosphine)ruthenium

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

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.

After a 50 mL two-necked flask was purged with argon, the ligand 7k (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 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 8k in a yield of 77%.

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

Some tips on Dichlorotris(triphenylphosphino)ruthenium (II)

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

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.

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).

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

New learning discoveries about 15529-49-4

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.

A 50 ml three-necked flask equipped with a stirring reflux device was charged with 1 mmol of 2-diphenylphosphineaniline,2 mmol of benzyl alcohol, 1 mmol of bisdiphenylphosphinemethane, 1 mmol of RuCl2 (PPh3) 3,2 mmol of triethylamine, 20 ml of toluene, heating at 110 C. for 12 h under a nitrogen atmosphere, cooling,The resulting solid was recrystallized from a mixed solvent of CH 2 Cl 2 and petroleum ether to give product 1 in a yield of 89%.

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

New learning discoveries about 246047-72-3

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

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 replaced by argon, the ligand 3 cu (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 prepare a sand product. The crude product was obtained by silica gel column chromatography and then washed with methanol or pentane-DCM to give 4cu green solid product in a yield of 65%.

Downstream synthetic route of (1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene)dichloro(phenylmethylene)(tricyclohexylphosphine)ruthenium

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.

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.

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

Some tips on 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%.

New learning discoveries about 15529-49-4

It is a common heterocyclic compound, the ruthenium-catalysts compound, Dichlorotris(triphenylphosphino)ruthenium (II), cas is 15529-49-4 its synthesis route is as follows.

EXAMPLE B2Preparation of [(Cl)2Ru(Pphenyl3) (ligand L2)], K2 272.5 mg (0.284 mmol) of dichlorotris(triphenylphosphine)ruthenium(II) and 160.0 mg (0.296 mmol) of ligand L2 are placed in a 10 ml Schlenk tube and admixed with 6.5 ml of dry toluene under argon. The dark suspension is stirred overnight at room temperature, resulting in a colour change to orange-red. After addition of 4 ml of dry pentane, the stirrer is switched off and the supernatant orange solution is filtered off with suction from the orange solid. The solid is washed five times with 4 ml each time of pentane and dried in a high vacuum. This gives 244 mg (88% of theory) of the title compound as an orange powder. 31P-NMR (C6D6, 121.5 MHz, ppm): 49.7 (d, J=40), 61.2 (d, J=40).

Reference£º
Patent; Spindler, Felix; Nettekoven, Ulrike; Perseghini, Mauro; US2009/105481; (2009); A1;,
Highly efficient and robust molecular ruthenium catalysts for water oxidation
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

Share a compound : (1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene)dichloro(phenylmethylene)(tricyclohexylphosphine)ruthenium

A suspension of 1.00 g (1.18 mmol) of [RuCl2(PCy3)(ImH2Mes)(phenylmethylene)] (commercially available from Sigma- Aldrich Inc., St. Louis, USA), 0.14 g (1.41 mmol) of copper chloride and 0.37 g (1.41 mmol) of 2-methyl-l-pyrrolidin-l-yl-2-(2-vinyl-phenoxy)- propan-1-one in 80 ml of dichloro methane was stirred for 90 min at 400C. The reaction mixture was evaporated to dryness at 40C/10 mbar. The residue was stirred in 25 ml of ethyl acetate for 15 min at room temperature. The dark green suspension was filtered and the filtrate concentrated to a total volume of 5 ml. To the green solution, 15 ml of pentane were added and the formed suspension was stirred for 30 min at room temperature and filtered. The filter cake was washed with 40 ml of pentane and dried at 25C/10 mbar over night to afford 0.68 g (80% yield) of the title compound as a green powder.MS: 723.2 (M+).

Reference£º
Patent; F. HOFFMANN-LA ROCHE AG; WO2009/124853; (2009); A1;,
Highly efficient and robust molecular ruthenium catalysts for water oxidation
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

The important role of 15529-49-4

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.

(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.

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

Introduction of a new synthetic route about 15529-49-4

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.

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.

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%).

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