Category: ruthenium-catalysts

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.,15529-49-4

To a solution of N,O-LH-Cl (930?mg, 4.0?mmol) in THF (20?mL) was added [Ru(PPh3)3Cl2] (868?mg, 2.0?mmol), which was then stirred under N2 for 15?min. Triethylamine (Et3N) (404?mg, 4.0?mmol) was introduced, and the reaction mixture was stirred overnight at room temperature, during which the color of solution changed from brown to dark green. After removal of solvents in vacuo, the residue was extracted with CH2Cl2 (5?mL?*?2) and the solution was filtered. The filtrate was layered with Et2O (20?mL) at room temperature, and dark green block-shaped crystals of cis-[RuCl(PPh3)(kappa2-N,O-L-Cl)2] (1) were harvested in three days. Yield: 1187?mg, 69% (based on Ru). mueff?=?1.98?muB. IR (KBr disc, cm-1): 1592 (nuC=N), 1314 (nuC-O), 1437, 1092 and 698 (nuPPh3). MS (FAB): m/z 860 [M+], 825 [M+-Cl], 598 [M+-PPh3], 563 [Ru(kappa2-N,O-L-Cl)2]+. Anal. Calc. for C44H33N2O2Cl3PRu(%): C, 61.44; H, 3.87; N, 3.26. Found: C, 61.47; H, 3.83; N, 3.24.

With the complex challenges of chemical substances, we look forward to future research findings about 15529-49-4,belong ruthenium-catalysts compound

Reference£º
Article; Tang, Li-Hua; Wu, Fule; Lin, Hui; Jia, Ai-Quan; Zhang, Qian-Feng; Inorganica Chimica Acta; vol. 477; (2018); p. 212 – 218;,
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 purged with argon, the ligand 7t (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 after filtration. The crude product was obtained by silica gel column chromatography, and then washed with methanol or pentane-DCM to obtain 8t as a green solid product in a yield of 87%.

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

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.,15529-49-4

The complex RuCl2(PPh3)3 (4) (0.150 g, 0.156 mmol) suspended in 2 ml of distilled toluene, was reacted with HCNN-H (1) (36 mg, 0.174 mmol) and triethylamine (0.22 ml, 0.158 mmol). After stirring the mixture for 2 hours at 110 ?C the solution volume was reduced to about half and the complex was precipitated by adding 2 ml of pentane. The solid obtained was filtered off, washed with pentane (3 x 5 ml) and dried under reduced pressure. Yield 100 mg (74%). Elemental analysis (%) calculated for C50H41ClN2P2Ru. C, 69.16; H, 4.76; N, 3.23. Found: C, 69.35; H, 4.85; N, 3.34. 31P{1H} NMR (81.0 MHz, CD2Cl2, 20 C, H3PO4): delta 56.5 (d, J(PP) = 33.4 Hz), 50.5 (d, J(PP)= 33.4 Hz).

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

Reference£º
Patent; Universita’ Degli Studi di Udine; RIGO, Pierluigi; BARATTA, Walter; SIEGA, Katia; CHELUCCI, Giorgio Adolfo; BALLICO, Maurizio; MAGNOLIA, Santo; EP2178843; (2013); B1;,
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

An anhydrous Et2NH (10 mL) solution of dicyclohexylphosphinomethylpyridine-borane complex (280 mg, 0.923 mmol) was heated at 65C for 48 h under Ar. The solution was cooled to room temperature and Et2NH was removed in vacuo (ca. 10 mmHg, room temperature). To the residue was added sequentially dichlorotris(triphenylphosphino)ruthenium (II) (442.5 mg, 0.46 mmol) and an anhydrous toluene (10 mL). The resulting mixture was heated at 110C for 5 h under Ar, and was cooled to room temperature. Then to the mixture was added an anhydrous hexane (20 mL) to afford the yellow suspension. The mixture of the suspension was stirred at room temperature for 12 h and filtered through a filtration paper. The obtained yellowish orange solid was dried in vacuo (ca. 0.1 mmHg, room temperature) and dissolved in CH2Cl2. This solution was purified by column chromatography on silica gel (EtOAc/hexane =1/4) to afford RUPCY (1a) as orange powder (237 mg, 68%)., 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; Miura, Takashi; Held, Ingmar E.; Oishi, Shunsuke; Naruto, Masayuki; Saito, Susumu; Tetrahedron Letters; vol. 54; 21; (2013); p. 2674 – 2678;,
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: C8H14ClNO280,mainly used in chemical industry, its synthesis route is as follows.,246047-72-3

Grubbs second generation catalyst (100 mg, 0.117 mmol), 2-[(2,6-dimethylphenylimino)methyl]phenol (pKa: 8.85+/- 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 a chromatography column to give an orange-brown complex. Yield 22%.

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 SAS; EP2151445; (2010); A1;,
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

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%.

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

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 Dichlorotris(triphenylphosphino)ruthenium (II), and cas is 15529-49-4, its synthesis route is as follows.,15529-49-4

General procedure: Diphosphine ligand (2.0 mmol) was dissolved in 10 mL of dichloromethane and the solution was added dropwise to a stirred solution of RuCl2(PPh3)3 (1.0 mmol) in 10 mL of dichloromethane. The reaction mixture was stirred approximately for 50 min at room temperature. The brown solution was filtered to remove the insoluble impurities. The solvent was reduced by a vacuum and the product was then precipitated by adding n-hexane. The yellow solid was filtered and washed three times with 20 mL of diethyl ether.

With the complex challenges of chemical substances, we look forward to future research findings about 15529-49-4,belong ruthenium-catalysts compound

Reference£º
Article; Al-Noaimi, Mousa; Warad, Ismail; Abdel-Rahman, Obadah S.; Awwadi, Firas F.; Haddad, Salim F.; Hadda, Taibi B.; Polyhedron; vol. 62; (2013); p. 110 – 119;,
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.,15529-49-4

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%.

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

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

As a common heterocyclic compound, it belongs to quinuclidine compound,Quinuclidine-4-carboxylic acid hydrochloride,40117-63-3,Molecular formula: C8H14ClNO67,mainly used in chemical industry, its synthesis route is as follows.,15529-49-4

General procedure: Synthesis of the ruthenium(II) Schiff base complexes (2a-d) was accomplished according to the following procedure: To a solution of Schiff base 1a-d in methanol was added dropwise a solution of NaOH in methanol and the reaction mixture was stirred for 2hat room temperature. The deprotonated ligand mixture was transferred by cannula to a 50-mL three-necked flask fitted with a reflux condenser containing the [RuCl2(PPh3)3] precursor, stirred mixture was refluxed for 4h. A yellow precipitate was then filtered and washed with methanol and ethyl ether and then dried in a vacuum.

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
Article; Afonso, Maria Beatriz A.; Cruz, Thais R.; Silva, Yan F.; Pereira, Joao Clecio A.; Machado, Antonio E.H.; Goi, Beatriz E.; Lima-Neto, Benedito S.; Carvalho-Jr, Valdemiro P.; Journal of Organometallic Chemistry; vol. 851; (2017); p. 225 – 234;,
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

(PPh3)3RuCI2 (1 eq., 0.575 g, 0.6 mmol) and 1-t-butyl-1-phenyl-prop-2-yn-1-ol (compound B, 1.5 eq., 0.17 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: 92 %). The product was characterized by NMR spectra 31P.31P NMR (121.49 MHz, CDCI3): 628.76.Example 4: Synthesis of (PPh3)2CI2Ru(3-naphtyl-inden-1-ylidene)

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; YU, Baoyi; WO2014/108071; (2014); A1;,
Highly efficient and robust molecular ruthenium catalysts for water oxidation
Catalysts | Special Issue : Ruthenium Catalysts – MDPI