Day: October 12, 2020

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 replaced by argon, the ligand 5a (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 completed, 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 yellow-green solid product 6a in a yield of 79%., 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

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

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%.

With the rapid development 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; 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: 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 was stirred for 2 h at RT. A green precipitate was formed, filtered, washed with methanol and ethyl ether, and then dried in vacuum. Complex 1 (R = H): 75% yield. Analytical data for RuCl2P2NC42H43 are 63.40C, 5.45H, and 1.76% N; found 63.59C, 5.47H, and 1.88% N. FTIR in CsI: 322 cm-1 for nu(Ru-Cl); 3228 cm-1 for nu(N-H). 31P{1H} NMR in CDCl3: 62.7 ppm (s). Complex 2 (R = Ph): 58% yield. Analytical data for RuCl2P2NC48H47 are 66.13C, 5.43H, and 1.61% N; found 66.41C, 5.37H, and 1.72% N. FTIR in CsI: 320 cm-1 for nu(Ru-Cl); 3257 cm-1 for nu(N-H). 31P{1H} NMR in CDCl3: 62.7 ppm (s).

With the rapid development 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

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 Schlenk flask was loaded with [Ru(PPh3)3(Cl)2] (1.2156 g,1.268 mmol) and 2,6-bis(2-benzimidazolyl)pyridine (4) (0.4088 g,1.313 mmol), to which was added 25 ml of anhydrous toluene. The mixture was stirred in an oil bath at 110 C, for two hours, during which time a red-brown precipitate had formed. The suspension was then stirred for 16 h at room temperature, after which time the solid was isolated via canula filtration and washed with 100 ml of anhydrous diethyl ether 3 times. The solid was dried under vacuum for 72 h. Isolated mass 1.07 g, 84% yield. NMR data – 1H NMR (d4-methanol, delta):8.53 (m, 2 H), 7.60 (t, J=8.0 Hz, 1 H), 7.40 (m, 8 H), 7.13 (m, 18H,PPh3), 6.88 (t, J=7.7 Hz, 12H, PPh3), NH signals not observed due to rapid H/D exchange with CD3OD. 13C{1H} NMR (d4-methanol, delta):152.7, 152.1, 144.1 and 135.7 (quaternary C), 134.4 (t, o-C of PPh3),133.3 (aromatic CeH), 132.4 (t, i-C of PPh3),130.4 (s, p-C of PPh3),128.8 (t, m-C of PPh3), 126.8, 124.5, 122.9, 122.1 and 113.6 (aromaticCeH). 31P{1H} NMR (d4-methanol, delta): 22.1 (s). Elemental analysis calculated (%) for C55H43Cl2N5P2Ru: C 65.54, H 4.30, N 6.95; found: C65.40, H 4.42, N 7.03. Product is soluble in methanol, poorly soluble in ethanol, but insoluble in acetone, acetonitrile and dichloromethane. A d4-MeOH NMR sample exposed to air was observed to form crystal safter 3 h. However, no decomposition signals were observed in the NMR spectrum. A sample of the solid exposed to air for 2 h and returned to the glove box was analysed by NMR; new unassigned signals appeared in both the 1H and 31P NMR spectra

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; Braden, Drew J.; Cariou, Renan; Shabaker, John W.; Taylor, Russell A.; Applied Catalysis A: General; vol. 570; (2019); p. 367 – 375;,
Highly efficient and robust molecular ruthenium catalysts for water oxidation
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

(1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene)dichloro(phenylmethylene)(tricyclohexylphosphine)ruthenium, cas is 246047-72-3, it is a common heterocyclic compound, the ruthenium-catalysts compound, 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 rapid development 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

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

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]+).

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

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

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: The reaction of 2,6-diacetylpyridine mono(4-methoxyphenylthiosemicarbazone) ligand, HL1, prepared as described in reference 35, with RuCl2(PPh3)3 in 1:1M ratios was carried out, in presence of Et3N, in degassed toluene for 3hat room temperature under nitrogen atmosphere. The resulting brown solution was filtered and evaporated to dryness. The solid residue was washed with pentane and dried in vacuo. Further purification by recrystallization from DMSO led to single crystals which were studied by X-ray diffraction techniques.

15529-49-4, 15529-49-4 Dichlorotris(triphenylphosphino)ruthenium (II) 11007548, aruthenium-catalysts compound, is more and more widely used in various fields.

Reference£º
Article; Matesanz, Ana I.; Hernandez, Carolina; Perles, Josefina; Souza, Pilar; Journal of Organometallic Chemistry; vol. 804; (2016); p. 13 – 17;,
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

Step 2: (PPh3)zCI2Ru(3-/-propyl-inden-1-ylidene) (10B): ( h3)3RuCI2 (1 eq., 0.575 g, 0.6 mmol) and 1-( -propyl)-1-phenylprop-2-yn-1 -ol(compound 18A, 1.5 eq., 0.144 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; 0.48 g (Yield: 93%). The product was characterized by NMR spectra 3 P. 3 P NMR (121.49 MHz, CDCI3): (529.55.

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; (69 pag.)WO2016/242; (2016); 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

Complex 1 (2.0 grams) was dissolved in toluene (10 mL), and 4-dimethylaminopyridine (1.18 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 420 mL of cold pentane, and dried under vacuum to afford (IMesH2)(C7H10N2)2(Cl)2Ru-CHPh 10 as a light green powder (1.9 gram, 99% yield). [00127] 1H NMR (500 MHz, CD2Cl2): d19.10 (s, 1H, CHPh), 8.18 (d, 2H, pyridine CH, JHH=6.5 Hz), 7.64 (d, 2H, ortho CH, JHH=7.5 Hz), 7.48 (t, 11H, para CH, JHH=7.0 Hz), 7.38 (d, 2H, pyridine CH, JHH=6.5 Hz), 7.08 (t, 2H, meta CH, JHH=7.5 Hz), 7.00 (br. s, 2H, Mes CH), 6.77 (br. s, 2H, Mes CH), 6.49 (d, 2H, pyridine CH, JHH=6.0 Hz), 6.15 (d, 2H, pyridine CH, JHH=7.0 Hz), 4.07 (br. d, 4H, NCH2CH2N), 2.98 (s, 6H, pyridine CH3), 2.88 (s, 6H, pyridine CH3), 2.61-2.21 (multiple peaks, 18H, Mes CH3).

246047-72-3, The synthetic route of 246047-72-3 has been constantly updated, and we look forward to future research findings.

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

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.

A suspension of 790 mg (0.93 mmol) of [RuCl2(PCy3) (ImH2Mes)(phenylmethy- lene)], 95 mg (0.96 mmol) copper chloride and 196 mg (1.03 mmol) 4-chloro-8-vinyl- quinoline in 70 ml methylene chloride was stirred at 300C for 90 min. The reaction mixture was evaporated to dryness and the isolated crude product purified by silica gel chromatography (hexane / ethyl acetat 5:2) and finally digested in 20 ml pentane at room temperature for 30 min to yield 311 mg (51%) of the title compound as green crystals. MS: 655.0 (M+). 1H-NMR (300 MHz, CD2Cl2): 2.35 (s, 6H); 2.39 (s, 12H); 4.04 (s, 4H); 7.00 (s, 4H); 7.25 (d, J=5.3Hz, IH); 7.43 (dd, J=8.2, 7.3Hz, IH); 7.56 (dd, J=7.1, 0.7Hz, IH); 8.13 (d, J=5.3Hz, IH); 8.41 (dd, J=8.2, 0.7Hz, IH); 16.95 (s, IH). Anal, calcd. for C31H32N3Cl3Ru: C, 56.93; H, 4.93; N, 6.42; Cl, 16.26. Found: C, 56.59; H, 5.04; N, 6.02; Cl, 15.49.

246047-72-3, The synthetic route of 246047-72-3 has been constantly updated, and we look forward to future research findings.

Reference£º
Patent; F. HOFFMANN-LA ROCHE AG; WO2008/644; (2008); A1;,
Highly efficient and robust molecular ruthenium catalysts for water oxidation
Catalysts | Special Issue : Ruthenium Catalysts – MDPI