Simple exploration of 14024-18-1

14024-18-1, 14024-18-1 Iron(III) acetylacetonate 91759530, airon-catalyst compound, is more and more widely used in various fields.

14024-18-1, Iron(III) acetylacetonate is a iron-catalyst compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

Cobalt (II) acetylacetonate Co(acac)2 and Iron (III) acetylacetonateFe(acac)3 precursors weighted as 1:2M ratio was dissolved in 50 ml of de-ionized water. The aqua solution was kept warm at 40 C for few minutes and very few drops of inorganic chemical reagent was added dropwise and stirred for 30 min to mix the cations homogeneously throughout the solution. 1% of alkali solution was added dropwise to the aqua precursor solution for a better control of particle size, which acts as a precipitating agent as well as maintaining the pressure in the autoclave by lowering the equilibrium vapour tension of water. Finally,the precursors solution was continuously stirred for 30 min and transferred into 150 ml Teflon coated stainless steel autoclave. Then the autoclave was sealed and kept in the muffle furnace for heat treatmentat the optimised reaction temperature of 200 C for 6 h and allowed to cool down to room temperature. The obtained dark precipitation was filtered by Whatman filter paper and washed several times by de-ionized water and absolute ethanol. The precipitate was then dried at 80 C for 5 h in hot air oven and subsequently annealed at 700 and 800 C. The samples were named as S1 (as-prepared),S2 (annealed at 700 C), and S3 (annealed at 800 C).

14024-18-1, 14024-18-1 Iron(III) acetylacetonate 91759530, airon-catalyst compound, is more and more widely used in various fields.

Reference£º
Article; Shyamaldas; Bououdina; Manoharan; Journal of Magnetism and Magnetic Materials; vol. 493; (2020);,
Iron Catalysis in Organic Synthesis | Chemical Reviews
Iron Catalysis in Organic Synthesis: A Critical Assessment of What It Takes To Make This Base Metal a Multitasking Champion

 

Downstream synthetic route of 14024-18-1

14024-18-1, As the paragraph descriping shows that 14024-18-1 is playing an increasingly important role.

14024-18-1, Iron(III) acetylacetonate is a iron-catalyst compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

General procedure: For the sol-gel route, stoichiometric amounts of Fe(NO3)3¡¤9H2O, Mg(NO3)2¡¤6H2O and Mn(NO3)2¡¤4H2O were dissolved into 5 mL of C2H6O2 in a 100 mL beaker. This solution was stirred for 2 h at 40 C, and then the obtained sol was heated up to 80 C and kept at this temperature until a brown gel was formed. The gel was aged for 2 h at room temperature and then dried at 95 C for 72 h. Subsequently, the dried gel was heat treated at 400, 500 or 600 C in air for 30, 60, 90 or120 min. The obtained products were milled and then washed several times with ethanol, in order to remove the ethylene glycol excess. Finally, the powders were dried at room temperature. For the thermal decomposition method, stoichiometric amounts of the acetylacetonates of Fe, Mg and Mn, phenyl ether and oleic acid were placed in a threenecked flask of 250 mL. Subsequently, a thermometer was placed in one of the side necks and a reflux system was adapted. The solution was heated up to 250 C and it was maintained at this temperature for 30, 60 or 90 min. Once the reaction time passed, a precipitate was obtained, which was washed repeatedly with ethanol. Finally, the precipitate was dried at room temperature and milled. The characterization of the products was carried out by X-ray diffraction (XRD), vibrating sample magnetometry (VSM) and transmission electron microscopy (TEM).

14024-18-1, As the paragraph descriping shows that 14024-18-1 is playing an increasingly important role.

Reference£º
Article; De-Leon-Prado, Laura Elena; Cortes-Hernandez, Dora Alicia; Almanza-Robles, Jose Manuel; Escobedo-Bocardo, Jose Concepcion; Sanchez, Javier; Reyes-Rdz, Pamela Yajaira; Jasso-Teran, Rosario Argentina; Hurtado-Lopez, Gilberto Francisco; Journal of Magnetism and Magnetic Materials; vol. 427; (2017); p. 230 – 234;,
Iron Catalysis in Organic Synthesis | Chemical Reviews
Iron Catalysis in Organic Synthesis: A Critical Assessment of What It Takes To Make This Base Metal a Multitasking Champion

 

Application of 2-Imidazolidone

As the rapid development of chemical substances, we look forward to future research findings about 14024-18-1

A common heterocyclic compound, the iron-catalyst compound, name is Iron(III) acetylacetonate,cas is 14024-18-1, mainly used in chemical industry, its synthesis route is as follows.,14024-18-1

General procedure: Monodisperse synthetic Fe1-xMgxFe2O4 (x=0, 0.1, 0.2, 0.3, 0.4, & 0.5) nanospheres were synthesized by recently developed solvothermal reflux method using high boiling point organic solvents mixture as reaction solvent [14,15]. Iron(III) acetylacetonate or Fe(C5H7O2)3 (solid, 97 %, Sigma-Aldrich), Magnesium acetylacetonate or Mg(C5H7O2)2 (solid, 97 %, Aldrich) were used as metal precursors. Benzyl ether (liquid, 98 %, Aldrich, boiling point (bp): 298C) and oleylamine (liquid, 70 %, Aldrich, bp: 364C) solvents mixture as reaction solvent, and oleic acid (liquid, 65 %, SDFCL, bp: 360C) as surfactant were used. To synthesize 0.5g of target composition compound, 40mL of benzylether (BE) and 10mL of oleylamine (OAm) solvents mixture were taken as reaction solvent in three neck round bottom (RB) flask (250mL). The mixture was stirred with magnetic stirrer for 10min. to make it homogeneous. Metal precursor powders were finely grounded to enhance their decomposition. Stoichiometric metal precursor fine powders were added to the reaction solvents mixture. The mixture was stirred for 10min. to make homogeneous solution. Then 5mL of oleic acid (OA) (?2.5 times of metal cations mols) was added. The resultant reactants mixture was heated to boiling point of the solvent mixture (300C) by electric heating mantle at 5C/min ramp. The boiling solvents produce natural gas bubbles. The reaction was carried out for 1h at this temperature and then naturally cooled the RB flask to room temperature. To precipitate crystallined ferrite nanoparticles, anti-solvent such as ethanol was added to the reaction mixture. The precipitated nanoparticles were separated by sedimentation principle through centrifugation. The nanoparticles were redispersed in good solvents such as n-hexane. To further purify the nanoparticles from residual organic molecules (surfactant), the redispersed particles were precipitated, separated and redispersed by the above procedure, at least two times.

As the rapid development of chemical substances, we look forward to future research findings about 14024-18-1

Reference£º
Article; Manohar; Krishnamoorthi; Journal of Magnetism and Magnetic Materials; vol. 443; (2017); p. 267 – 274;,
Iron Catalysis in Organic Synthesis | Chemical Reviews
Iron Catalysis in Organic Synthesis: A Critical Assessment of What It Takes To Make This Base Metal a Multitasking Champion

 

Downstream synthetic route of 14024-18-1

As the paragraph descriping shows that 14024-18-1 is playing an increasingly important role.

14024-18-1, Iron(III) acetylacetonate is a iron-catalyst compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated

Synthesis of ferrimagnetic nanocubes ( Fe3O4 ) was carried out under nitrogen (N 2).Typical synthesis of mangnetic nanocubes ( 0.71g,2 mmol ) Iron ( III ) acetylacetonate (Fe(acac)3) mixed with ( 0.41 g,2.1 mmol ) 4-biphenylacarboxylic acid added to mixture ( 1.129 g , 4 mmol ) oleic acid and ( 10.40 g ,10 ml ) benzyl ether . The mixture solution was degassed at room temperature for 1 hour .The solution was then heated to 290C at the rate of 20C /min with vigorous magnetic stirring at 290 rpm to get ferrimagnetic nanocubes. where the temperature was held for 30 min when temperature reached 290C . After cooling the solution to room temperature , a mixture of ( 40 ml ) toluene and ( 10 ml ) hexane was added to solution . The solution was then centrifuged at 5000 rpm for minutes to precipitate the magnetite nanocubes .The precipitate was washed using ( 10 ml ) chloroform ( CHCl3 ) . Then after that used oven vacuum to obtain Fe3O4 nanocubes in powder form at 80C temperature14- 18., 14024-18-1

As the paragraph descriping shows that 14024-18-1 is playing an increasingly important role.

Reference£º
Article; Alkadasi, Nabil Abdullah Noman; Oriental Journal of Chemistry; vol. 30; 3; (2014); p. 1179 – 1182;,
Iron Catalysis in Organic Synthesis | Chemical Reviews
Iron Catalysis in Organic Synthesis: A Critical Assessment of What It Takes To Make This Base Metal a Multitasking Champion

 

Some tips on Bis(pentamethylcyclopentadienyl)iron(II)

With the complex challenges of chemical substances, we look forward to future research findings about 12126-50-0,belong iron-catalyst compound

As a common heterocyclic compound, it belongs to iron-catalyst compound, name is Bis(pentamethylcyclopentadienyl)iron(II), and cas is 12126-50-0, its synthesis route is as follows.,12126-50-0

A yellow-orange solution of decamethylferrocene(16 mg, 0.05 mmol) in CH2Cl2(0.1 mL) was placed in a test tube (5 mm inner diameter),and a colorless solution of Ph(Cl)C=C(Ph)TeCl3 (22 mg, 0.05 mmol) in CH2Cl2 (0.2 mL)was carefully added dropwise. The contact areabetween the solutions acquired a green color typical ofthe ferrocenium cation, but no precipitation or formationof solid particles was observed in the contact area.The test tube was purged with argon, sealed with severalparafilm layers, and left in the dark at room temperature.After 5 days, the solvent evaporated almostcompletely and uniform green prismatic crystals, suitablefor X-ray diffraction, were deposited on the tubewall.

With the complex challenges of chemical substances, we look forward to future research findings about 12126-50-0,belong iron-catalyst compound

Reference£º
Article; Torubaev, Yu. V.; Lyssenko; Popova; Russian Journal of Coordination Chemistry; vol. 45; 11; (2019); p. 788 – 794; Koord. Khim.; vol. 45; 11; (2019); p. 684 – 690,7;,
Iron Catalysis in Organic Synthesis | Chemical Reviews
Iron Catalysis in Organic Synthesis: A Critical Assessment of What It Takes To Make This Base Metal a Multitasking Champion

 

The important role of 1,1′-Dibromoferrocene

1293-65-8 is used more and more widely, we look forward to future research findings about 1,1′-Dibromoferrocene

As a common heterocyclic compound, it belongs to iron-catalyst compound, name is 1,1′-Dibromoferrocene, and cas is 1293-65-8, its synthesis route is as follows.,1293-65-8

1,10-Dibromoferrocene [23] (1.8 g, 5.2 mmol) was dried for 3 h at2 * 102 mbar. Subsequently it was dissolved in dry tetrahydrofuran(20 ml) and cooled to 78 C, causing a clear orange solution. Nbutyllithiumin n-hexane (3.7 ml, 5.6 mmol, 1.6 M) was addedslowly over 15 min. The resulting suspension was stirred for anadditional 30 min. In a second Schlenk flask, a suspension of NFSI(1.81 g, 5.8 mmol, dried for 3 h in vacuo) in diethylether (20 ml) wasprepared. After 30 min the reaction mixture was transferred intothe NFSI solution via cannula. Directly after the addition the solutionwasquenched with NaBH4 and 50 ml of 0.1MCa(OH)2, and theresulting slurry was diluted with hexane (100 ml). The two phasesystem was stirred for 1 h, the organic phase was separated andwashed three times with water. After evaporation of the solvent invacuo, the resulting brown oil was dissolved again in 50 ml ofhexane and the organic phasewas extracted thrice with 0.2MFeCl3solution and subsequently 3 times with water. The organic phasewas filtered through alumina (Activity III, diameter 2 cm, length25 cm) and dried with MgSO4. After the solvents were evaporatedthe crude product was purified by HPLC (isocratic CH3CN/H2O(70:30); isocratic). The HPLC fractions were extracted with hexane(4 20 ml). The organic phase was dried with MgSO4 and evaporatedin vacuo, leaving the product as a browneorange oil.HPLC: CH3CN/H2O (70:30; isocratic). Browneorange oil (674 mg,2.40 mmol, 46%);1H NMR (CDCl3): delta 4.51 (app. s, 2H, CpH, H2?,5?), 4.33 (app. s, 2H,CpH,H2,5), 4.21 (app. s, 2H, CpH,H3?,4?), 3.88 (app. s, 2H, CpH,H3,4). 13CNMR (CDCl3): delta 135.6 (d, 1JCF 270 Hz, C1), 78.1 (s, C1?), 71.6 (s, C2?,5?),68.6 (s, C3?,4?), 64.0 (d, 3JCF 3.8 Hz, C3,4), 58.7 (d, 2JCF 15.0 Hz, C2,5).19F{1H} NMR (CDCl3): delta 189 (s). IR (ATR): cm-1 3110 (w), 1471 n(CCaromatic,vs); 1242 n(CeF, m),1152 (m), 807 (vs), 657 (m).MS(EI): m/z282 [M], 128 [Cp2]; calcd for C10H8FBrFe 282. Anal. Calcd forC10H8FBrFe: C, 42.45; H, 2.85. Found: C, 42.26; H, 2.86.

1293-65-8 is used more and more widely, we look forward to future research findings about 1,1′-Dibromoferrocene

Reference£º
Article; Bulfield, David; Maschke, Marcus; Lieb, Max; Metzler-Nolte, Nils; Journal of Organometallic Chemistry; vol. 797; (2015); p. 125 – 130;,
Iron Catalysis in Organic Synthesis | Chemical Reviews
Iron Catalysis in Organic Synthesis: A Critical Assessment of What It Takes To Make This Base Metal a Multitasking Champion

 

The important role of 12126-50-0

With the complex challenges of chemical substances, we look forward to future research findings about Bis(pentamethylcyclopentadienyl)iron(II)

Name is Bis(pentamethylcyclopentadienyl)iron(II), as a common heterocyclic compound, it belongs to iron-catalyst compound, and cas is 12126-50-0, its synthesis route is as follows.,12126-50-0

Decamethylferrocene (A) (4.80 g, 14.7 mmol) was placed in a round bottomed flask equipped with a magnetic stirrer bar. Fresh finely ground barium manganate (18.77 g, 73.6 mmol, 5 eq) was then added to the flask. The solids were then suspended in a mixture of dry benzene (20 cm3) and drydiethyl ether (20 cm3). The flask was then sealed and placed under a nitrogen atmosphere. The dark blue slurry was then sonicated for 45 mins. After this time the flask was removed from the sonicater and heated at 45 C for 16 hours. After this time the dark slurry was filtered through a pad of celite and the solids washed with EtOAc (250 cm3) until the washings ran clear. The red solution was then concentrated in vacuo to give a red solid. Purification by silica chromatography eluting with 5%EtOAc : nHex + 2% TEA gave the product nonamethylferrocene carboxaldehyde (B) as a dark red crystalline solid (1.19 g, 23%).?H NIVIR (300 IVIHz, CDC13) OH: 9.91 (s, 1H), 1.92 (s, 6H), 1.71 (s, 6H), 1.59 (s, 15H). ?3C NIVIR (75 IVIHz, CDC13) Oc: 195.6, 86.0, 82.7, 80.6, 78.3, 72.5, 9.3, 9.3, 8.9. HRMS (ESI iTOF) calculated for C20H29FeO m/z 341.1484 found 341.1485 (m/z + H).

With the complex challenges of chemical substances, we look forward to future research findings about Bis(pentamethylcyclopentadienyl)iron(II)

Reference£º
Patent; ATLAS GENETICS LIMITED; MARSH, Barrie J.; FROST, Christopher G.; SHARP, Jonathan; WO2015/52516; (2015); A1;,
Iron Catalysis in Organic Synthesis | Chemical Reviews
Iron Catalysis in Organic Synthesis: A Critical Assessment of What It Takes To Make This Base Metal a Multitasking Champion

 

The important role of 1293-65-8

With the complex challenges of chemical substances, we look forward to future research findings about 1,1′-Dibromoferrocene

Name is 1,1′-Dibromoferrocene, as a common heterocyclic compound, it belongs to iron-catalyst compound, and cas is 1293-65-8, its synthesis route is as follows.,1293-65-8

In a Schlenk tube CuI (100 mg, 0.53 mmol), PPh3 (1.60 mmol),1,1?-dibromoferrocene (1.8 g, 5.2 mmol), 4-t-butylphenol(1.02 g, 1.3 eq.), and Cs2CO3 (1.86 g, 1.1 eq.) were dissolved in toluene (35 mL), and the reaction mixture was stirred at 110 C for 26 h. After evaporation of the volatiles, the crude product was purified by silica column chromatography (cyclohexane-ethyl acetate). Of a light-yellow fraction, the solvent was removed, which resulted in 930 mg (43 %) of a yellow-brownish solid. – Rf = 0.65 [cyclohexane-ethylacetate (20:1)]. – 1H NMR (CDCl3): delta = 1.22 (s, 9 H; CH3), 3.95 (t, J = 1.9 Hz, 4 H, Cp), 4.21 (t, J = 1.9 Hz, 4 H, Cp), 6.87 (d,J = 8.6 Hz, 2 H, phenyl H2, H6), 7.19 ppm (d, J = 8.6 Hz, 2 H,phenyl H3, H5). – 13C NMR (75 MHz, CDCl3): delta = 31.7 (CH3), 34.4 (CCH3), 60.8 (C5H4), 64.2 (C5H4), 68.2, 68.8, 77.6, 117.0,123.2, 126.2, 145.4, 156.4 ppm.

With the complex challenges of chemical substances, we look forward to future research findings about 1,1′-Dibromoferrocene

Reference£º
Article; Frey, Guido D.; Hoffmann, Stephan D.; Zeitschrift fur Naturforschung – Section B Journal of Chemical Sciences; vol. 70; 1; (2015); p. 65 – 70;,
Iron Catalysis in Organic Synthesis | Chemical Reviews
Iron Catalysis in Organic Synthesis: A Critical Assessment of What It Takes To Make This Base Metal a Multitasking Champion

 

The important role of 1293-65-8

With the complex challenges of chemical substances, we look forward to future research findings about 1,1′-Dibromoferrocene

Name is 1,1′-Dibromoferrocene, as a common heterocyclic compound, it belongs to iron-catalyst compound, and cas is 1293-65-8, its synthesis route is as follows.,1293-65-8

1 ,1 ‘-Dibromoferrocene (0.67 g, 1.97 mmol) in anhydrous tetrahydrofuran (THF) (30 ml) was placed in a reaction vessel and cooled to -78 0C using a dry ice and acetone mixture, n-butyl lithium (0.94 ml, 2.36 mmol) was added under inert conditions thereto and the contents of the reaction vessel kept stirred for approximately 1 hour while cold zinc chloride (2.16 ml, 2.16 mmol) was added. Tetrakis(triphenylphosphine)palladiumO (50 mg) and 4,5- dichlorophthalonitrile (0.5 g, 1.97 mmol) were then added. The contents of the reaction vessel were allowed to warm to room temperature and were kept stirred for approximately 2 hours before heating to approximately 90 0C for 12 hours. Thereafter, water (20 ml) was added and extracted with dichloromethane (3 x 20 ml). The combined organic layers were dried over magnesium sulfate and reduced to dryness under reduced pressure to obtain a crude product. The crude product was placed on alumina and eluted with diethyl ether ; petroleum spirit (55:45) to yield red crystals.

With the complex challenges of chemical substances, we look forward to future research findings about 1,1’-Dibromoferrocene

Reference£º
Patent; CORUS UK LIMITED; HOLLIMAN, Peter; RUGEN-HANKEY, Sarah; WO2010/136178; (2010); A1;,
Iron Catalysis in Organic Synthesis | Chemical Reviews
Iron Catalysis in Organic Synthesis: A Critical Assessment of What It Takes To Make This Base Metal a Multitasking Champion

 

The important role of 1293-65-8

With the complex challenges of chemical substances, we look forward to future research findings about 1,1′-Dibromoferrocene

Name is 1,1′-Dibromoferrocene, as a common heterocyclic compound, it belongs to iron-catalyst compound, and cas is 1293-65-8, its synthesis route is as follows.,1293-65-8

Preparation of i-phenylchlorophosphine-i ‘-bromoferrocene (X1 )14.5 ml (23.2 mmol) of n-BuLi (1.6 M in hexane) are added dropwise to a solution of 8 g (23.2 mmol) of 1 ,1 ‘-dibromoferrocene in 30 ml of THF at a temperature of < -30 C. The mixture is stirred for a further 30 minutes at this temperature. It is then cooled to -78C and 3.15 ml (23.2 mmol) of phenyldichlorophosphine are added dropwise at such a rate that the temperature does not exceed -60C. After stirring the mixture at -78C for a further 10 minutes, the temperature is allowed to rise to room temperature and the mixture is stirred for another one hour. This gives a suspension of the monochlorophosphine X1.; Preparation of i-dicyclohexylphosphino-i '-bromoferrocene of the formula (A2)120 ml (0.3 mol) of n-BuLi (2.5 M in hexane) are added dropwise to a solution of 103 g (0.3 mol) of 1 ,1 '-dibromoferrocene in 300 ml of THF at a temperature of < -30C. The mixture is stirred at this temperature for a further 1.5 hours. It is then cooled to -50C and 66.2 ml (0.3 mol) of dicyclohexylphosphine chloride are added dropwise at such a rate that the temperature does not exceed -45C. After stirring the mixture for a further 10 minutes, the temperature is allowed to rise to room temperature and the mixture is stirred for another one hour. After addition of 150 ml of water, the reaction mixture is shaken with hexane. The organic phases are dried over sodium sulphate and the solvent is distilled off under reduced pressure on a rotary evaporator. The residue is crystallized in ethanol. The product A2 is obtained in a yield of 84% (yellow solid). 1H NMR (300 MHz, C6D6): delta 1.20-2.11 (m, 22H), 3.97 (m, 2H), 4.23 (m, 2H), 4.26 (m, 2H), 4.41 (m, 2H). 31P NMR (121.5 MHz, C6D6): delta -8.3 (s).; Example B17: Preparation of the compound (Rc,SFc,SP)-1-[2-(1-dimethylaminoethyl)ferrocen- i-yllcyclohexylphosphino-i '-bis-beta.S-d^trifluoromethylJphenyllphosphinoferrocene (B17):4 ml (10 mmol) of n-BuLi (2.5 M in hexane) are added dropwise to a solution of 3.44 g (10 mmol) of 1 ,1 '-dibromoferrocene in 10 ml of tetrahydrofuran (THF) at a temperature of < -30C. The mixture is stirred at this temperature for a further 1.5 hours to give a suspension of 1-bromo-1 '-lithioferrocene X5.In a second reaction vessel, 7.7 ml (10 mmol) of S-BuLi (1.3 M in cyclohexane) are added dropwise to a solution of 2.57 g (10 mmol) of (R)-1-dimethylamino-1-ferrocenylethane in 15 ml of TBME at <-10C. After stirring the mixture at the same temperature for 10 minutes, the temperature is allowed to rise to 0 and the mixture is stirred for another 1.5 hours. The reaction mixture is then cooled to -78C and 1.51 ml (10 mmol) of dichlorocyclohexyl- phosphine are added. Further stirring at -78C for 30 minutes and, after removal of cooling, at room temperature for another one hour gives a suspension of the chlorophosphine X4 which is subsequently added at a temperature of <-10C to the suspension of 1-bromo-1 '-lithio- ferrocene X5. The cooling is then removed and the mixture is stirred at room temperature for a further 1.5 hours. After renewed cooling to <-50C, 4 ml (10 mmol) of n-BuLi (2.5 M in hexane) are added dropwise. After the addition, the temperature is allowed to rise to 0C and the mixture is stirred for a further 30 minutes. It is then cooled to -20C and 4.63 g (10 mmol) of bis[3,5-di(trifluoromethyl)phenyl]chlorophosphine are added. The cooling is subsequently removed and the mixture is stirred at room temperature for another 1.5 hours. The reaction mixture is admixed with 1 N NaOH and extracted. The organic phase is dried over sodium sulphate and the solvent is distilled off under reduced pressure on a rotary evaporator. The residue is subsequently heated at 150C for one hour. Chromatographic purification (silica gel 60; eluent = hexane/ethyl acetate 8:1 ) gives the compound B17 as a yellow solid (yield: 66%). 1H NMR (300 MHz, C6D6): delta 1.25 (d, 3H, J = 6.7 Hz), 1.00-2.29 (m, 1 1 H), 2.20 (s, 6H), 3.78 (m, 1 H), 4.02 (m, 1 H), 4.04 (s, 5H), 4.09 (m, 1 H), 4.14 (m, 1 H), 4.17 (m, 1 H), 4.21 (m, 1 H), 4.40 (m, 2H), 4.60 (m, 1 H), 7.80 (d, 2H, J = 6.8 Hz), 8.00 (d, 4H, J = 6.0 Hz). 31P NMR (121.5 MHz, C6D6): delta -27.1 (s); -14.1 (s).; Example B18: Reaction schemeX24 ml (10 mmol) of n-BuLi (2.5 M in hexane) are added dropwise to a solution of 3.44 g (10 mmol) of 1 ,1 ‘-dibromoferrocene in 10 ml of tetrahydrofuran (THF) at a temperature of < -30C. The mixture is stirred at this temperature for a further 1.5 hours. 2.21 ml (10 mmol) of dicyclohexylphosphine chloride are then added dropwise at such a rate that the temperature does not exceed -20C. After stirring the mixture for a further 10 minutes, the temperature is allowed to rise to room temperature and the mixture is stirred for another one hour. It is cooled back down to 30C and 4.4 ml (11 mmol) of n-BuLi (2.5 M in hexane) are added dropwise. The mixture is subsequently stirred at -10C for 30 minutes. The reaction mixture is the... With the complex challenges of chemical substances, we look forward to future research findings about 1,1'-Dibromoferrocene Reference£º
Patent; SOLVIAS AG; WO2007/116081; (2007); A1;,
Iron Catalysis in Organic Synthesis | Chemical Reviews
Iron Catalysis in Organic Synthesis: A Critical Assessment of What It Takes To Make This Base Metal a Multitasking Champion