Month: September 2020

(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, a ligand 7b (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 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 8b in a yield of 79%.

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

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

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-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%.

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
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

(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

To a solution of 9 (59.7 mg, 0.098 mmol) in anhydrous CH2Cl2 (6.0 ml) was added 2ndgeneration Grubbs catalyst (75.3 mg, 0.088 mmol) and CuCl (I) (19.8 mg, 0.20 mmol)under nitrogen at 30 C and stirred for 3 h. The reaction mixture was concentrated invacuo, and the residue was purified by column chromatography on silica gel (hexane /CH2Cl2 = 1 / 1) to give 2j (43.2 mg, 41%).Green crystals; mp 153-157 C; 1H NMR (270 MHz, CDCl3) delta 2.38 (s, 6H), 2.45 (s,12H), 4.21 (s, 1H), 4.90-4.82 (m, 1H), 6.62 (d, J = 12.4 Hz, 1H), 7.07 (s, 5H), 16.22 (s,1H); 19F NMR (466 MHz, CDCl3) delta -80.6 (3F), -106.3 (1F), -108.5 (2F), -121.4 (2F),-121.5 (2F), -122.6 (4F), -125.9 (2F); 13C NMR (68 MHz, CDCl3) delta 19.4, 20.9, 51.4,77.5, 102.8, 103.2, 122.3, 129.4, 139.1, 141.8, 155.8, 155.9, 158.3, 162.1, 209.2, 291.7;IR (FT) 3905, 3857, 3747, 3642, 3569, 2971, 2918, 2363, 2342, 1837, 1723, 1691, 1612,1586, 1486, 1424, 1293, 1213, 1156, 1104, 1029, 915, 846 cm-1; HRMS (FAB) m/z[M+H]+ calcd for C39H37Cl2F18N2ORu 1064.1039; found 1064.1049.

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

Reference£º
Article; Kobayashi, Yuki; Suzumura, Naoki; Tsuchiya, Yuki; Goto, Machiko; Sugiyama, Yuya; Shioiri, Takayuki; Matsugi, Masato; Synthesis; vol. 49; 8; (2017); p. 1796 – 1807;,
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 1-2,6-dimethylphenyl-1-phenyl-prop-2-yn-1-ol (compound D, 1.5 eq., 0.213 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; 0.50 g (Yield: 90%). The product was characterized by NMR spectra 31P.31P NMR (121.49 MHz, CDCI3): 629.64.

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

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

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

Solid [Ru(PPh3)3Cl2] (200 mg, 0.21 mmol) was added to a methanol solution (30 ml) of H2L1 (153 mg, 0.42 mmol) and NaOAc(35 mg, 0.42 mmol). The mixture was boiled under reflux for 1 h and then cooled to room temperature. The red solid deposited was collected by filtration and dried in air. This material was dissolved in minimum amount of dichloromethane and transferred to a silica gel column packed with dichloromethane. The first yellow band moved with the eluent 1 : 4 mixture of dichloromethane/ n-hexane was discarded. The following red band containing the complex 1 was eluted with a 2 : 3 mixture of dichloromethane/ n-hexane. The red solution thus obtained was evaporated to dryness and the complex was collected as a dark red solid. The yield was 220 mg (78 %)., 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; Nagaraju, Koppanathi; Pal, Samudranil; Inorganica Chimica Acta; vol. 413; (2014); p. 102 – 108;,
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

In the Schlenk flask, 20 mg (0.17 mmol) of tzdtH was dissolved in60 mL of ethanol. To this, 60 mL of CH2Cl2 containing 30 muL of Et3N followedby 70 mg of [RuCl2(PPh3)3] reactant were added. After stirring for30 min, under room temperature, colormixture changed froma brownishto a yellowish suspension. Solvent was removed under reduced pressureand the yellowish solid was filtered andwashedwith ethanol and diethylether and then dried under vacuum to yield 50 mg (79%). Anal. Calc. for[RuC42H38N2S4P2].H2O:exp. (calc) 57.76 (57.91); H, 4.22 (4.51); N, 3.33 (3.22); S, 15.17 (14.73) %. Molar conductance (S cm2 mol-1,CH2Cl2) 1.8. IR (cm-1) (upsilonC-H) 3072, 3049, 2947, 2928; (upsilonCH2) 2849;(upsilonCN) 1527; 1508; (nuCC(ring) + nuCC(dppb)) 1479, 1385; (upsilonC-S) 1188;(upsilonC-P) 1088; (nuring) 1045, 993; (gammaCS) 750; (gammaring) 696; (upsilonRu-P) 520;(upsilonRu-S) 497; (upsilonRu-N) 435. 31P{1H} NMR (162 MHz, CDCl3, 298 K): delta(ppm) 54.2 (s); 1H NMR (400 MHz, CDCl3, 298 K): delta (ppm): 7.32 (12H,m, Ho of PPh3); 7.23 (6H, t, Hp of PPh3); 7.10 (12H, t, Hm of PPh3); 3.27(2H, ddd, CH2 of tzdt); 3.20 (2H, dd, CH2 of tzdt); 2.94 (2H, ddd, CH2 oftzdt); 2.65 (2H, dd, CH2 of tzdt). 13C{1H} NMR (125.74 MHz, CDCl3,298 K): delta (ppm) 181.88 (CS); 137.33-127.09 (36C, C-PPh3); 56.49 (2C,CH2-N of tzdt) and 31.72 (2C, CH2-S of tzdt). UV-vis (CH2Cl2,4 ¡Á 10-5 M): lambda/nm (epsilon/M-1 cm-1) 310 (1993).

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

Reference£º
Article; Correa, Rodrigo S.; Da Silva, Monize M.; Graminha, Angelica E.; Meira, Cassio S.; Dos Santos, Jamyle A.F.; Moreira, Diogo R.M.; Soares, Milena B.P.; Von Poelhsitz, Gustavo; Castellano, Eduardo E.; Bloch, Carlos; Cominetti, Marcia R.; Batista, Alzir A.; Journal of Inorganic Biochemistry; vol. 156; (2016); p. 153 – 163;,
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

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., 15529-49-4

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

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

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: 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.

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; 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

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.

(PPh3)3RuCI2 (1 eq., 0.575 g, 0.6 mmol) and 3-(2,3-dimethoxy-5-(methoxymethyl)phenyl)- 4,4-dimethylpent-1-yn-3-ol (1.5 eq., 0.263 g, 0.9 mmol) were added in 4 ml HClldioxane solution (0.15 molIl). 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 orange powder; 0.31 g (Yield: 80 %). The product was characterized by NMR spectra 31P.31P NMR (121.49 MHz, CDCI3): 652.09., 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; YU, Baoyi; WO2014/108071; (2014); 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 ruthenium-catalysts compound, name is (1,3-Dimesitylimidazolidin-2-ylidene)(2-isopropoxybenzylidene)ruthenium(VI) chloride, and cas is 301224-40-8, its synthesis route is as follows.,301224-40-8

General procedure: In a glove box, a flask was charged with Ru complex 4 or 5 and Ag salt 3. Anhydrous degassed CH2Cl2 was then added and the resulting mixture was stirred at room temperature for 3h in the dark. The solids were filtered off through a Celite layer and washed with anhydrous (2mL). The solution was diluted with anhydrous hexane (10mL) and remaining precipitated Ag salt was again filtered off. Evaporation of the solvents on a rotary vacuum evaporator (40C, 1h, 25kPa) and finally at oil pump vacuum (25C, 1h, 1kPa) gave the products 1 or 2. 4.8 [1,3-Bis(2,4,6-trimethylphenyl)imidazolidin-2-ylidene](2-isopropoxybenzylidene)-bis[perfluoro(2-methyl-3-oxahexanoyl)oxy]ruthenium(IV)(1a) (0038) According to the general procedure, silver salt 3a (20mg, 0.047mmol) and complex 4 (HG2, 11.6mg, 0.019mmol) gave the target complex 1a (22mg, 98%, deep violet crystals). 1H NMR (399,94MHz, CD2Cl2): delta 0.95+0.97+0.97 (3¡Ád, 3JH-H=5.9Hz, 6H, OCH(CH3)2), 2.06 (m, 6H, Ar’CH3-p), 2.43 (m, 12H, Ar’CH3-o), 4.09+4.11+4.12 (3¡Ás, 4H, CH2), 4.46 (m, 1H, OCH(CH3)2), 6.63 (m, 1H, ArH), 6.96 (m, 1H, ArH), 7.11 (dd, 3JH-H=7.6Hz, 4JH-H=1.5Hz, 1H, ArH), 7.19 (m, 4H, Ar’H), 7.37 (m, 1H, ArH), 17.58+17.63+17.68 (3¡Ábs, 1H, Ru=CH)ppm. 19F NMR (376.29MHz, CD2Cl2): delta -80.7+(-81.2) (2¡Ádm, 2JF-F=150Hz, 1F, CFFCF2CF3), -81.2+(-81.3)+(-81.6)+(-81.8) (4¡Ám, 4JF-F=13Hz, 3F, CF3CF), -81.5+(-81.7)+(-81.7) (4¡Át, 4JF-F=10Hz, 3F, CF3CF2), -83.5+(-83.6)+(84.4)+(-84.6) (4¡Ádm, 2JF-F=150Hz, 1F, CFFCF2CF3), -128.4+(-128.9) (2¡Ám, 1F, CF3CF), -129.9+(-130.2)+(-130.3) (3¡Ám, 2F, CF3CF2) ppm, 13C NMR (100.58MHz, CD2Cl2): delta 17.0 (m, 4C, Ar’CH3-o), 18.3 (m, 2C, Ar’CH3-p), 19.8+19.9+20.8 (3¡Ás, 2C, OCH(CH3)2), 50.1 (s, 2C, CH2N), 75.0+75.1+75.2 (3¡Ás, 1C, OCH(CH3)2), 106-120 (m, 22C, CF3, CF2, CF), 110.8+111.1+111.3 (3¡Ás, 1C, CArHCArOiPr), 122.2+122.3+122.3 (3¡Ás, 1C, CArH), 123.7+123.8+123.9 (3¡Ás, 1C, CArH), 129.5 (m, 4C, CArH), 130.1+130.2+130.3 (3¡Ás, 1C, CArH), 136.5+137.2+137.4 (3¡Ám, 2C, CAr’CH3), 139.0+140.2+140.7 (3¡Ám, 4C, o-CAr’CH3), 142.6+142.8+143.0 (3¡Ás, 1C, CArCH=Ru), 153.5 (s, 1C, CAr-OiPr), 159.2+159.4+162.8 (3¡Ád, 2JC-F=25Hz, 1C, COO), 209.1+209.3+209.6 (3¡Ás, 1C, NCN), 319.4 (m, CH=Ru)ppm. MS (ESI+) m/z (%): 929.2 [M+Na]+ (100), 731.2 (59), 441.3 (88). HRMS (ESI+): [M+Na]+ calcd. for C39H44F8N2NaO7Ru 929.1956, found 929.1965.

With the complex challenges of chemical substances, we look forward to future research findings about 301224-40-8,belong ruthenium-catalysts compound

Reference£º
Article; Lipovska, Pavlina; Rathouska, Lucie; ?im?nek, Ond?ej; Ho?ek, Jan; Kola?ikova, Viola; Ryba?kova, Marketa; Cva?ka, Josef; Svoboda, Martin; Kvi?ala, Jaroslav; Journal of Fluorine Chemistry; vol. 191; (2016); p. 14 – 22;,
Highly efficient and robust molecular ruthenium catalysts for water oxidation
Catalysts | Special Issue : Ruthenium Catalysts – MDPI