Ruthenium catalysts

A common heterocyclic compound, the ruthenium-catalysts compound, name is (1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene)dichloro(phenylmethylene)(tricyclohexylphosphine)ruthenium,cas is 246047-72-3, mainly used in chemical industry, its synthesis route is as follows.,246047-72-3

A suspension of 1.00 g (1.18 mmol) of [RuCl2(PCy3)(ImH2Mes)(phenylmethylene)](commercially available from Sigma- Aldrich Inc., St. Louis, USA), 0.13 g (1.30 mmol) of copper chloride and 0.38 g (1.30 mmol) oflambda/-phenyl-2-[((E,Z)-2-propenyl)-phenoxy]- propionamide as a 4:1 mixture ofE/Z-isomers in 75 ml of dichloromethane was stirred for 30 min at 400C. The reaction mixture was evaporated to dryness at 400C/ 10 mbar. The residue was stirred in 75 ml of ethyl acetate for 30 min at room temperature. The dark green suspension was filtered and the filtrate was evaporated to dryness at 40C/10 mbar. The crude title product was purified by silica gel chromatography (cyclohexane/ethyl acetate 4:1) to yield 0.75 g (88% yield) of the title compound as a green powder.MS: 731.1 (M+). Anal, calcd. for C37H4ICl2N3O2Ru ? V3 C6Hi2: C, 61.65; H, 5.97; N, 5.53; Cl, 9.33. Found: C, 61.83; H, 6.71; N, 5.35; Cl, 8.93.

As the rapid development of chemical substances, we look forward to future research findings about 246047-72-3

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

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 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.

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; 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

A common heterocyclic compound, the ruthenium-catalysts compound, name is (1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene)dichloro(phenylmethylene)(tricyclohexylphosphine)ruthenium,cas is 246047-72-3, mainly used in chemical industry, 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.

As the rapid development of chemical substances, we look forward to future research findings about 246047-72-3

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

A common heterocyclic compound, the ruthenium-catalysts compound, name is Dichlorotris(triphenylphosphino)ruthenium (II),cas is 15529-49-4, 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 p-bromobenzyl alcohol, 1 mmol of bis Dicyclohexylphosphine propane,mmol RuCl2 (PPh3) 3,1 mmol potassium hydroxide, 20 ml dioxane, the temperature was 110 C, heated for 20h under a nitrogen atmosphere, cooledHowever, filtration and recrystallization of the resulting solid from a mixed solvent of CH 2 Cl 2 and petroleum ether gave product 6 in a yield of 87%.

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

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

The ruthenium-catalysts compound, name is (1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene)dichloro(phenylmethylene)(tricyclohexylphosphine)ruthenium,cas is 246047-72-3, mainly used in chemical industry, its synthesis route is as follows.,246047-72-3

The catalyst precursor 620g and alkenyl ligands340g was added to a 10L reactor was added dichloromethane solvent 5L, cuprous chloride was added 150g, it was heated under nitrogen at 30 until starting material disappeared the reaction was cooled to room temperature, filtered impurities.The filtrate was distilled off under reduced pressure and toluene was added 100mL of methylene chloride and methanol to precipitate the product catalyst 5L solid was filtered and dried to give the final catalyst 330g, 65% yield.

As the rapid development of chemical substances, we look forward to future research findings about 246047-72-3

Reference£º
Patent; Shanghai Keqin Technology Co., Ltd.; Zhang Wei; Wu Jiang; Zhu Chunyin; (26 pag.)CN106939026; (2017); A;,
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 mixture of [RuCl2(PPh3)3] (166.8 mg, 0.1740 mmol) and amide-LH2 (68.8 mg, 0.168 mmol) in dichloromethane (10 mL) was stirred for 16 h at room temperature. After removal of the solvent, recrystallization from THF-hexane (5 mL/15 mL) afforded 2b¡¤2THF¡¤hexane as red crystals. The thoroughly dried sample was found to lose the solvating molecules on the basis of 1H NMR spectroscopy and combustion analysis. Yield: 156.8 mg (0.07088 mmol, 84%). 1H NMR (CDCl3): delta 1.18 (s, 36H, CMe3), 6.91 (t, 24H, J = 7.5, PPh3), 7.04 (d, 4H, 4JHH = 2.2, pyrazole CH), 7.13 (t, 12H, JHH = 7.0, PPh3), 7.21 (d, 4H, 3JHH = 7.7, 3- and 5-C5H3N), 7.30-7.34 (m, 24H, PPh3), 7.59 (t, 2H, 3JHH = 8.0, 4-C5H3N), 10.33 (br s, 4H, NH), 12.41 (br d, 4H, 4JHH = 2.4, NH). 31P{1H} NMR (CDCl3): delta 35.3 (s). IR (KBr): 1687 cm-1 (C=O). Anal. Calc. for C114H114Cl4N14O4P4Ru2: C, 61.90; H, 5.19; N, 8.86. Found: C, 62.18; H, 5.44; N, 8.51%., 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; Nakahara, Yoshiko; Toda, Tatsuro; Kuwata, Shigeki; Polyhedron; vol. 143; (2018); p. 105 – 110;,
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.

Example 3 SYNTHESIS OF THE COMPLEX 3 ACCORDING TO THE INVENTION [0078] The commercially available complex G (200 mg, 0.24 mmol) was placed in a flask, to which methylene chloride was added (6 ml). This was followed by adding the compound of the formula: (63 mg, 0.47 mmol) and tricyclohexylphosphine (132 mg, 0.47 mmol). The resulting solution was stirred at a temperature of 40 C. for 5 hours. The reaction mixture was introduced at the top of a chromatographic column packed with silica gel (eluent: ethyl acetate/cyclohexane, 0 to 10 vol. %). After evaporating the solvents, the complex 3 was obtained as a green solid (140 mg, 72% yield). [0079] 1H NMR (500 MHz, CD2Cl2) delta ppm: 15.85 (s, 1H), 7.07 (s, 1H), 7.00-6.96 (m, 3H), 6.66 (d, J=8.4 Hz, 1H), 6.44 (dd, J=7.7, 1.4 Hz, 1H), 6.24 (s, 1H), 6.20 (t, J=7.2 Hz, 1H), 4.01-3.96 (m, 1H), 3.83-3.70 (m, 2H), 3.64-3.59 (m, 1H), 2.63 (s, 3H), 2.54 (s, 3H), 2.50 (s, 3H), 2.35 (s, 3H), 2.27 (s, 3H), 1.66-1.50 (m, 13H), 1.29 (s, 3H), 1.11-0.70 (m, 20H). 13C NMR: (125 MHz, CD2Cl2) delta ppm: 281.36, 222.21, 221.66, 180.31, 148.30, 139.54, 139.17, 138.78, 137.63, 137.32, 136.98, 134.69, 130.23, 130.05, 129.70, 129.00, 122.38, 116.17, 111.26, 32.52, 32.39, 29.45, 28.92, 28.23, 28.15, 28.12, 28.04, 27.34, 27.03, 21.33, 21.14, 19.40, 18.92, 18.66, 16.76. 31P NMR (124.5 MHz, CDCl3) delta ppm: 29.11., 246047-72-3

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

Reference£º
Patent; Skowerski, Krzysztof; Bieniek, Michal; US2015/158896; (2015); A1;,
Highly efficient and robust molecular ruthenium catalysts for water oxidation
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

The ruthenium-catalysts compound, cas is 15529-49-4 name is Dichlorotris(triphenylphosphino)ruthenium (II), mainly used in chemical industry, its synthesis route is as follows.,15529-49-4

Synthesis of the new ruthenium promoters 4 and 10 was carried out in this work. For the synthesis of complex 4 a THF solution of the thalium salt of the Schiff base ligand [20] was added the equivalent amount of Cl2Ru(PPh3)3 and the mixture stirred overnight at room temperature. After work-up [11b,20] the solid residue was dissolved in a minimal amount of toluene, reprecipitated with pentane, filtered off, briefly washed on the funnel with pentane and dried in vacuo to afford an orange-brown powder (78% yield) which was stored under inert atmosphere. 1H NMR (300 MHz, CDCl3): delta 2.36 [s, 3H, CH3]; 7.10-7.80 [m, 34H, aryl-CH]; 9.95 ppm (s, 1H, aldimine ligand).

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

Reference£º
Article; Dragutan, Ileana; Ding, Fu; Sun, Ya-Guang; Verpoort, Francis; Dragutan, Valerian; Journal of Molecular Catalysis A: Chemical; vol. 386; (2014); p. 86 – 94;,
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.

Add 1a (0.600g, 3.44mmol) under nitrogen protection In a 100mL three-neck bottle, Additional tris(triphenylphosphine) ruthenium dichloride (2.50 g, 2.61 mmol) and 40.0 mL of tetrahydrofuran, Stir and dissolve, then add acetyl chloride (0.22 mL, 3.13 mmol). After the addition, the mixture was heated to 73 C (external temperature: 83 C), and the reaction was stirred for 3 hours to stop the reaction. The reaction solution was concentrated under reduced pressure at 40 C. Add isopropanol / petroleum ether (1.0 mL / 20.0 mL) and stir to precipitate a solid. Filter and wash with a small amount of petroleum ether. After drying, 2.10 g of red ruthenium complex product 2a (93%) was obtained., 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; Zannan Science And Technology (Shanghai) Co., Ltd.; Zhan Zhengyun; (19 pag.)CN109134547; (2019); A;,
Highly efficient and robust molecular ruthenium catalysts for water oxidation
Catalysts | Special Issue : Ruthenium Catalysts – MDPI

15529-49-4, Dichlorotris(triphenylphosphino)ruthenium (II) is a ruthenium-catalysts compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

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., 15529-49-4

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

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