Category: 1293-65-8

The reactant in an enzyme-catalyzed reaction is called a substrate. Enzyme inhibitors cause a decrease in the reaction rate of an enzyme-catalyzed reaction. HPLC of Formula: C10Br2Fe. In heterogeneous catalysis, catalysts provide a surface to which reactants bind in a process of adsorption. Introducing a new discovery about 1293-65-8, Name is 1,1′-Dibromoferrocene

Two series of asymmetric ferrocene diphosphines, namely the dppf-type ligands R2PfcPPh2 (protected as BH3 adducts; fc = ferrocene-1,1?-diyl) and their semi-homologous counterparts R2PfcCH2PPh2 (both in free and BH3-protected form), with diverse PR2 groups (R = cyclohexyl, isopropyl and tert-butyl), were prepared and further converted into the respective phosphine selenides, R2P(Se)fcP(Se)Ph2 and R2P(Se)fcCH2P(Se)Ph2, which were in turn used to evaluate the electronic properties of these diphosphines through 1JSeP coupling constants. When reacted with [PdCl2(MeCN)2] or [PdCl2(cod)] (cod = cycloocta-1,5-diene), the dppf-type ligands exclusively afforded the chelate complexes [PdCl2(R2PfcPPh2-kappa2P,P?)], whereas the more flexible, homologous ligands produced mixtures mainly containing the similar chelate complexes [PdCl2(R2PfcCH2PPh2-kappa2P,P?)] and the P,P?-bridged dimers [PdCl2(mu(P,P?)-R2PfcCH2PPh2)]2.

The result showed that such a combination of chemo- and biocatalysis improved the catalytic yield more than two times compared with that of sole metal catalysis. We will look forword to the important role of 1293-65-8, and how the biochemistry of the body works.HPLC of Formula: C10Br2Fe

Reference：
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

Chemistry is a science major with cience and engineering. The main research directions are preparation and modification of special coatings, and research on the structure and performance of functional materials. In a patent, 1293-65-8, name is 1,1′-Dibromoferrocene, introducing its new discovery. Recommanded Product: 1,1′-Dibromoferrocene

We have measured the optical absorption of gaseous ferrocene, 1,1 prime -dimethylferrocene, 1,1 prime -dibromoferrocene, and 1,1 prime -dichloroferrocene using synchrotron radiation. From these data we have estimated the ligand field parameters and noted increasing e//2//g(d) to Cp( pi ) overlap with increasing charge transfer from the Cp ring to the substitution. The optical absorption spectra for ferrocene, dibromoferrocene, and dichloroferrocene are remarkably similar. The halogen substitutions result in greater Cp( pi ) to e//2//g-(d(x2-y2)) hybridization. The e//2//g orbitals become more bonding while the a//1//g and e//1//g orbitals become more non-bonding or antibonding. This change is reflected in a change of the ligand field parameters.

The prevalence of solvent effects in heterogeneous catalysis in condensed media has motivated developing theoretical assessments of solvent structures and their interactions with reaction intermediates and transition states. Recommanded Product: 1,1′-Dibromoferrocene, you can also check out more blogs about1293-65-8

Reference：
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

1293-65-8, In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. 1,1′-Dibromoferrocene, cas is 1293-65-8,the iron-catalyst compound, it is a common compound, a new synthetic route is introduced below.

Example 1; L11,1′ bis-[(Sp,Rc,SFe)(1-N,N- Dimethylamino)ethylferrocenyl)phenylphosphino] ferrocene L1To a solution of (R)-N, N-dimethyl-1-ferrocenylethylamine [(R)-Ugi’s amine] (3.09 g, 12 mmol) in Et2O (20 ml) was added 1.5 M t-BuLi solution in pentane(8.0 ml, 12.0 mmol) at -78 0C. After addition was completed, the mixture was warmed to room temperature, and stirred for 1.5 h at room temperature. The mixture was then cooled to -78 0C again, and dichlorophenylphosphine (1.63 ml, 12.0 mmol) was added in one portion. After stirring for 20 min at -78 0C, the mixture was slowly warmed to room temperature, and stirred for 1.5 h at room temperature. The mixture was then cooled to -78 0C again, and a suspension of 1 ,1′ dilithioferrocene [prepared from 1 ,1′ dibromoferrocene(1.72 g, 5.0 mmol) and 1.5 M t-BuLi solution in pentane (14.0 ml, 21.0 mmol) in Et2O (20 ml) at -78 0C] was added slowly via a cannula. The mixture was warmed to room temperature and allowed to stir for 12 h. The reaction was quenched by the addition of saturated NaHCO3 solution (20 ml). The organic EPO layer was separated and dried over MgSO4 and the solvent removed under reduced pressure. The filtrate was concentrated. The residue was purified by chromatography (SiO2, hexane-EtOAc-Et3N = 85:10:5) to afford an orange solid (3.88 g, 85%) as a mixture of 95% his-(Sp,Rc,SFe) title compound L1 and 5% (Rp, Rc, S Fe-S p, Rc, S Fe) meso compound. The meso compound can be removed by further careful purification using chromatography (SiO2, hexane- EtOAc-Et3N = 85:10:5). Orange/yellow crystalline solid m.p. 190-192 0C. [alpha]D = -427 (c=0.005 (g/ml), toluene); 1H NMR (CDCI3, 400.13 MHz): delta 1.14 (d,6H,J = 6.7 Hz), 1.50 (s, 12H); 3.43 (m; 2H); 3.83 (m, 2H); 3.87 (m, 2H); 4.01 (s, 10H), 4.09 (t, 2H, J = 2.4 Hz); 4.11 (m, 2H); 4.20 (m, 2H); 4.28 (m, 2H); 4.61 (m, 2H); 4.42 (d, 2H1 J = 5.3 Hz); 7.18 (m, 6H); 7.42(m, 4H) ppm. 13C NMR (CDCI3, 100.61 MHz): delta 38.28, 57.40 (d, J = 5.6 Hz); 67.02, 69.04 (d, J = 4.0 Hz); 69.16 (d, J = 51.6 Hz); 69.66, 71.60 (d, J = 4.8 Hz), 71.91 (d, J = 7.2 Hz), 72.18 (d, J = 5.6 Hz), 75.96 (d, J = 35.7 Hz), 79.96 (d, J = 6.4 Hz), 95.73 (d, J = 19.1 Hz), 127.32 (d, J = 7.9 Hz), 127.62, 133.12 (d, J = 21.4 Hz), 139.73 (d, J = 4.0 Hz). 31P NMR (CDCI3, 162 MHz): delta -34.88 (s). Found: C, 65.53; H, 5.92; N 3.01 Calculated for C50H54Fe3N2P2; C, 65.81 ; H, 5.97; N, 3.07. HRMS (1OeV, ES+): Calcd for C50H55Fe3N2P2 [M+H]+: 913.1889; Found: 913.1952. The label SP refers to S configuration at phosphorus, Rc refers to R configuration at carbon (or other auxiliary) and Spe refers to S configuration at the planar chiral element.

Chemical properties determine the actual use. Each compound has specific chemical properties and uses. We look forward to more synthetic routes in the future to expand reaction routes of 1,1′-Dibromoferrocene, 1293-65-8

Reference：
Patent; PHOENIX CHEMICALS LTD.; WO2006/75177; (2006); 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

1293-65-8, In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. 1,1′-Dibromoferrocene, cas is 1293-65-8,the iron-catalyst compound, it is a common compound, a new synthetic route is introduced below.

120 ml (0.3 mol) of n-BuLi (2.5 M in hexane) are added dropwise at a temperature of <-30C to a solution of 103 g (0.3 mol) of 1 ,1 '-dibromoferrocene in 300 ml of THF. The mixture is stirred further at this temperature for 1.5 hours. The mixture is then cooled to -500C, and 66.2 ml (0.3 mol) of dicyclohexylphosphine chloride are slowly added dropwise at such a rate that the temperature does not rise above -45C. After stirring for a further 10 minutes, the temperature is allowed to rise to room temperature and the mixture is stirred for another one hour. After adding 150 ml of water, the reaction mixture is extracted by shaking 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 13 is obtained with 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). The chemical industry reduces the impact on the environment during synthesis,1293-65-8,1,1'-Dibromoferrocene,I believe this compound will play a more active role in future production and life. Reference：
Patent; Solvias AG; WO2007/135179; (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

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.

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... 1293-65-8, In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles.,1293-65-8 ,1,1′-Dibromoferrocene, other downstream synthetic routes, hurry up and to see

Reference：
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

1293-65-8, In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. 1,1′-Dibromoferrocene, cas is 1293-65-8,the iron-catalyst compound, it is a common compound, a new synthetic route is introduced below.

In a Schlenk flask (10 mL) equipped with a magnetic stir bar, 1,1′-dibromoferrocene (120 mg, 34.9 mumol) and THF (0.53 mL) were placed. A pentane solution of t-BuLi (0.88 mL, 1.6 M, 1.4 mmol) was dropwise added to the solution at -50 C and the resulting mixture was stirred at below -30 C for 1 h. Then, a THF suspension (3.5 mL) of compound 4 (448 mg, 704 mumol) was added to the resulting yellow suspension at -50 C and stirred at ambient temperature. After 0.5 h, the reaction mixture was quenched with water and the crude mixture was extracted with hexane. The organic layer was dried over anhydrous sodium sulfate. After removal of the resulting salt by filtration and the solvent in vacuo, the residue was subjected to silica gel column chromatography (eluent: hexane) and gel permeation chromatography (eluent: toluene). Recrystallization from hexane gave the title compound (50.8 mg, 39.2 mumol, 11%) as yellow crystals.

The chemical industry reduces the impact on the environment during synthesis,1293-65-8,1,1′-Dibromoferrocene,I believe this compound will play a more active role in future production and life.

Reference：
Article; Kishimoto, Yusuke; Ishida, Shintaro; Iwamoto, Takeaki; Chemistry Letters; vol. 45; 2; (2016); p. 235 – 237;,
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

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.

1,10-Dibromoferrocene [23] (300 mg, 0.87 mmol) was dried for3hat 2*102 mbar in a Schlenk flask. Afterwards, itwas dissolved indry diethylether (2 ml) forming a clear yellow solution. In a separateSchlenk flask diethylether (4 ml) was cooled to 78 C and tertbutyllithiumin n-hexane (2.3 ml, 3.66 mmol,1.6M) was added. Thedissolved 1,10dibromoferrocene was added dropwise to the tertbutyllithiumsolution over a period of 5 min. The resulting mixturewas stirred at 78 C for 1 h. In an additional Schlenk flask NFSI(1.15 g, 3.66 mmol), which had been dried for 3 h in vacuo, wasdissolved in tetrahydrofurane (6 ml). The NFSI solutionwas added tothe reaction mixture within 2 min. Directly after the addition thesolution was quenched with NaBH4 and 20 ml 0.1 M Ca(OH)2.Pentane (50 ml)was added and the two-phase systemwas stirred for1 h. The organic phase was separated and washed 3 times withwater. All solvents were carefully removed in vacuo. The crudeproduct was filtered through alumina (Activity III, diameter 2 cm,length 25 cm) with pentane as mobile phase. After evaporation ofthe solvent, the crude product was purified by HPLC (CH3CN/H2O(70:30); isocratic). The HPLC fractions were extracted with pentane(4 20 ml). The organic phase was dried with MgSO4 and carefullyevaporated in vacuo (the product is volatile). The product was obtainedas a yellow solid.HPLC: CH3CN/H2O (70:30; isocratic). Yellow solid (20 mg,0.09 mmol, 10%);1H NMR (CDCl3): delta 4.39 (app. q, JHH, HF 2.2 Hz, 4H, CpH),3.91e3.89 (app. m, 4H, CpH). 13C NMR (CDCl3): delta 135.9 (d,1JCF 269 Hz, C1,10), 62.5 (d, 3JCF 3.8 Hz, C3,30,4,40), 57.5 (d,2JCF 15.1 Hz, C2,20,5,50). 19F{1H} NMR (CDCl3): delta 189 (s). IR (solid): cm1 3108 (w), 1463 n(C-Caromatic, vs); 1242 n(CeF, m), 1020 (m),803 (vs), 634 (m). MS (EI): m/z 222 [M], 139 [M CpF], 128[Cp2]; calcd for C10H8F2Fe 222.Anal. Calcd for C10H8F2Fe: C, 54.10;H, 3.63. Found: C, 53.33; H, 3.70.

1293-65-8, In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles.,1293-65-8 ,1,1′-Dibromoferrocene, other downstream synthetic routes, hurry up and to see

Reference：
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

It is a common heterocyclic compound, the iron-catalyst compound, 1,1′-Dibromoferrocene, cas is 1293-65-8 its synthesis route is as follows.

To a solution of 103 g (0.3 mol) of 1 ,1 ‘-dibromoferrocene in 300 ml of THF are added dropwise, at a temperature of < -300C, 120 ml (0.3 mol) of n-BuLi (2.5 M in hexane). The mixture is stirred at this temperature for a further 1.5 hour. The mixture is then cooled to -500C, and 66.2 ml (0.3 mol) of dicyclohexylphosphine chloride are added dropwise sufficiently slowly that the temperature does not rise above -45C. After stirring for a further 10 minutes, the temperature is allowed to rise to room temperature and the mixture is stirred for another hour. After 150 ml of water have been added, the reaction mixture is extracted by shaking 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 with a yield of 84% (yellow solid).31P NMR (121.5 MHz, C6D6): delta -8.3 (s); 1H NMR (300 MHz, C6D6): delta 4.41 (m, 2H), 4.26 (m, 2H), 4.23 (m, 2H), 3.97 (m, 2H), 1.20-2.11 (m, 22H).

1293-65-8, In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles.,1293-65-8 ,1,1′-Dibromoferrocene, other downstream synthetic routes, hurry up and to see

Reference：
Patent; SOLVIAS AG; WO2009/65784; (2009); 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

1293-65-8, In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. 1,1′-Dibromoferrocene, cas is 1293-65-8,the iron-catalyst compound, it is a common compound, a new synthetic route is introduced below.

Part (I)Preparation of 1-bromo-l’ -triphenylsilyl ferroceneTo 1, l’-dibromoferrocene (10.14g, 29.49mmol) in dry THF (200ml) cooled to -780C (dry ice/acetone bath) was added n-butyllithium(12.56ml, 28.02mmol, 0.95eq) and the reaction was stirred underN2 for 30 min. Chlorotriphenylsilane (8.26g, 28.02mmol, 0.95eq) dissolved in the minimum amount of dry THF was then added dropwise and the solution was then allowed to warm up to room temperature and further stirred for twelve hours resulting in a red solution.The reaction was then quenched with water, and stirred for a further fifteen minutes. The ethereal layer, containing product was separated and the aqueous layer was further extracted several times with diethyl ether. The combined ether fractions were dried over magnesium sulphate and filtered through celite. The ether solvent was removed by rotary evaporator (resulting in red oil) . The product was purified by column chromatography. Starting material was removed with petrol and the product was then obtained with petrol/10% Et2theta as an orange band. The resulting oil was finally dried under vacuum leaving pure product as orange crystals: (11.09g, 72 % yield).

The chemical industry reduces the impact on the environment during synthesis,1293-65-8,1,1′-Dibromoferrocene,I believe this compound will play a more active role in future production and life.

Reference：
Patent; LUCITE INTERNATIONAL UK LIMITED; WO2008/65448; (2008); 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

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.

1,1′-Dibromoferrocene (5.1 g,14.8 mmol) was dissolved in 50 mL of thf and cooled to 100 C. nBuLi (6 mL, 14.8 mmol) was slowly added and the reaction mixture left to stir at this temperature for 45 min. Dry [ZnCl2*2thf] (4.2 g, 15.0 mmol) was added in a single portion and the resulting preparation was kept at 0 C for 30 min. Afterward, 2,5-dibromothiophene (0.83 mL, 6.45 mmol) and [Pd(CH2CMe2PtBu2)(mu-Cl)]2 (0.025 g, 36.4 mmol) were added to the solution. The reaction mixture was heated to 55 C and stirred for 36 h at this temperature. After cooling to ambient temperature, the crude product was adsorbed on alumina and purified by column chromatography on alumina, using an n-hexane/toluene mixture of ratio 4:1 (v:v) as eluent. Yield 1.60 g (43%), dark orange solid. Anal.Calcd. for C24H18Br2Fe2S (609.98): C:47.24%; H:2.98%; Found:C:47.16%; H: 2.99%. Mp: 220 C.

1293-65-8, In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles.,1293-65-8 ,1,1′-Dibromoferrocene, other downstream synthetic routes, hurry up and to see

Reference：
Article; Van Der Westhuizen, Belinda; Matthaeus Speck; Korb, Marcus; Bezuidenhout, Daniela I.; Lang, Heinrich; Journal of Organometallic Chemistry; vol. 772; (2014); p. 18 – 26;,
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