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1273-82-1, 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.,1273-82-1 ,Aminoferrocene, other downstream synthetic routes, hurry up and to see

As a common heterocyclic compound, it belongs to iron-catalyst compound, name is Aminoferrocene, and cas is 1273-82-1, its synthesis route is as follows.

The reaction step and the conditions of the step (2) are the same as those of the above step (1)The difference is that,4′-bromo-N, N-diphenylbiphenyl-4-amine was increased to 7.90 g (19.7 mmol)And purified by column chromatography,Need to be sublimated twice,To obtain a red compound Fc02 solid (yield 40%). A mixture of 300 mg (1.5 mmol) of the amine ferrocene obtained in Preparation Example 1, 1.8 g (4.5 mmol) of 4′-bromo-N, N-diphenylbiphenyl-4-amine (4′-bromo- -diphenylbiphenyl-4-amine),17 mg (0.075 mmol) of palladium acetate [Pd (OAc) 2]0.1 mL of a 10 wt% tributylphosphine n-hexane solution and 1.13 g (11.8 mmol) of sodium tert-butoxide(NaOtBu)And with 6 mL of toluene as solvent,After reacting at 130 C for 72 hours,The palladium catalyst was first removed by filtration through diatomaceous earth and silica gel,And rinsed with ethyl acetate to remove the solvent,And finally purified by column chromatography [4: 1 to 3: 2 (v / v) n-hexane and ethyl acetate gradient stripping system]To obtain the compound DPABPAFc (yield 50%The structure is shown in Reaction Scheme III).

Reference£º
Patent; Zheng, Jianhong; Lai, Zhenchang; Zhang, Yuwei; Liao, Chunyi; Huang, Minjie; (31 pag.)CN106317129; (2017); A;,
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 1273-82-1

The chemical industry reduces the impact on the environment during synthesis,1273-82-1,Aminoferrocene,I believe this compound will play a more active role in future production and life.

1273-82-1, 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. Aminoferrocene, cas is 1273-82-1,the iron-catalyst compound, it is a common compound, a new synthetic route is introduced below.

This amino-ferrocene (1.07 g, 5.32 mmol) was dissolved in acetic acid (15 ml.) under nitrogen and paraformaldehyde (1.59 g, 53.2 mmol) and NaBH3CN (1.67 g, 26.6 mmol) was added and the reaction mixture was stirred for 16 h. Aqueous NaOH 6 M was added until pH = 12 and the solution was extracted by hexane (3 x 20 ml_). The combined organic phase was washed with brine, dried with Na2S04 and the solvent was removed under vacuum until approximately 5% of the initial volume. The residue was subjected to quick filtration through a pad of silica gel eluting with hexane. The solvent was removed under vacuum not to complete dryness so as the pure product crystallized in the freezer as orange flakes; mp 69- 70 C; NMR (CDCI3, ppm): 1H (500 MHz) 4.25, 3.95, 3.76, 2.59; 13C (126 MHz) 155.80, 66.50, 63.07, 54.61 , 41.50.

The chemical industry reduces the impact on the environment during synthesis,1273-82-1,Aminoferrocene,I believe this compound will play a more active role in future production and life.

Reference£º
Patent; NATIONAL CENTRE FOR SCIENTIFIC RESEARCH “DEMOKRITOS”; PELECANOU ZAMPARA, Maria; SAGNOU, Marina; PAPADOPOULOS, Minas; PIRMETTIS, Ioannis; MAVROIDI, Barbara; SHEGANI, Antonio; (38 pag.)WO2019/180200; (2019); 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 1273-82-1

As a common heterocyclic compound, it belongs to iron-catalyst compound, name is Aminoferrocene, and cas is 1273-82-1, its synthesis route is as follows.

The aminoferrocene compound (300 mg, 1.5 mmol) obtained in Preparation Example 1,4?-bromo-N,N-diphenylbiphenyl-4-amine (1.8 g, 4.5 mmol), palladium acetate (Pd(OAc)2, 17 mg, 0.075 mmol), a solution of tributylphosphine in n-hexane (0.1 ml, 10 wt %), and sodium tert-butoxide (NaOtBu, 1.13 g, 11.8 mmol) were mixed in toluene (6 ml, as a solvent). A reaction was conducted at 130 C. for 72 hours. Pd(dba)2 was filtered using diatomaceous earth and silica gel. The reaction was washed using ethyl acetate and the solvent was removed. Purification was conducted by column chromatography (eluent: n-hexane/ethyl acetate in a gradient from 4/1 to 3/2 (v/v)) to obtain compound DPABPAFc (yield: 50%). The structure of compound DPABPAFc is shown in scheme III. Preparation of Compound Fc02: (0046) Compound Fc02 was prepared by a process similar to that for preparing compound DPABPAFc except that the amount of 4?-bromo-N,N-diphenylbiphenyl-4-amine was 7.90 g (19.7 mmol) and that sublimation (two times) was conducted after column chromatography. Compound Fc02 was obtained in the formed of a red solid (yield: 40%). (0047) Analysis for compound DPABPAFc: 1H NMR (400 MHz. CDCl3): delta 7.42 (t, J=8.0 Hz, 4H), 7.24 (t, J=8.0 Hz, 4H), 7.11 (d, J=8.0 Hz, 4H), 7.00 (t, J=7.2 Hz, 2H), 6.92 (d, J=7.6 Hz, 2H), 4.89 (br, 1H), 4.29 (s, 2H), 4.21 (s, 5H), 4.08 (s, 2H); 13C NMR (100 MHz. CDCl3): delta 147.8, 146.2, 141.9, 135.3, 131.2, 129.2, 127.2, 127.0, 124.4, 124.1, 122.6, 115.1, 69.0, 64.7, and 61.8; HRMS (EI+, m/z) calculated for C34H28N2Fe: 520.1602. found: 520.1599. (0048) Analysis for compound Fc02: 1H NMR (400 MHz. CDCl3): delta 7.52 (d, J=8.4 Hz, 4H), 7.46 (d, J=8.8 Hz, 4H), 7.33 (d, J=8.4 Hz, 4H), 7.27-7.23 (m, 8H), 7.11 (d, J=8.4 Hz, 8H), 7.02 (d, J=8.0 Hz, 4H), 4.17 (s, 5H), 4.11 (s, 2H), 4.04 (s, 2H); 13C NMR (100 MHz. CDCl3): delta 147.7, 147.7, 146.5, 141.9, 135.0, 129.2, 127.5, 127.4, 127.2, 124.5, 124.3, 124.2, 124.0, 122.8, 122.7, 118.0, 69.0, 64.0, and 60.4; HRMS (FAB+, m/z) calculated for C58H46N3Fe: 840.3041. found: 840.3044.

Reference£º
Patent; NATIONAL TSING HUA UNIVERSITY; Cheng, Chien-Hong; Lai, Cheng-Chang; Chang, Yu-Wei; Liao, Chuang-Yi; Huang, Min-Jie; (16 pag.)US9356244; (2016); B1;,
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 1273-82-1

With the complex challenges of chemical substances, we look forward to future research findings about 1273-82-1,belong iron-catalyst compound

As a common heterocyclic compound, it belongs to iron-catalyst compound, name is Aminoferrocene, and cas is 1273-82-1, its synthesis route is as follows.,1273-82-1

Preparation of ferrocene derivatives (Fc04) [Reaction formula V] Reaction Formula V is the preparation of compound Fc04,The detailed preparation step was the same as the step (1) of Example 1,The difference is that,The amount of 4-bromobiphenyl added to the present example was 840 mg (3.61 mmol)And the stripping system used in the purification process of column chromatography was 3: 1 (v / v) of n-hexane with ethyl acetate,And after the column chromatography purification requires two sublimation steps,The final compound Fc04 solid (yield 42%) was obtained. A solution of 300 mg (1.49 mmol) of the amine ferrocene obtained in Preparation Example 1,380 mg (1.64 mmol) of 4-bromobiphenyl (4-bromobiphenyl)17 mg (0.075 mmol) of palladium acetate [Pd (OAc) 2]67 mg (0.12 mmol) of 1,1′-bis (diphenylphosphino) ferrocene (dppf) and 577 mg (6 mmol) of sodium tert-butoxide (NaOtBu)And with 5 mL of toluene as solvent,The reaction was carried out at 90 C for 72 hours,And then into the pure water,Extracted with 60 mL of ether 5 times,The resulting organic layer was washed with anhydrous magnesium sulfate and the solvent was removed,Purification by column chromatography [3: 2 (v / v) n-hexane and ethyl acetate]

With the complex challenges of chemical substances, we look forward to future research findings about 1273-82-1,belong iron-catalyst compound

The important role of 1273-82-1

With the complex challenges of chemical substances, we look forward to future research findings about Aminoferrocene

Name is Aminoferrocene, as a common heterocyclic compound, it belongs to iron-catalyst compound, and cas is 1273-82-1, its synthesis route is as follows.,1273-82-1

With the complex challenges of chemical substances, we look forward to future research findings about Aminoferrocene

The important role of 1273-82-1

With the complex challenges of chemical substances, we look forward to future research findings about Aminoferrocene

Name is Aminoferrocene, as a common heterocyclic compound, it belongs to iron-catalyst compound, and cas is 1273-82-1, its synthesis route is as follows.,1273-82-1

A solution of 300 mg (1.49 mmol) of the amine ferrocene obtained in Preparation Example 1,380 mg (1.64 mmol) of 4-bromobiphenyl (4-bromobiphenyl)17 mg (0.075 mmol) of palladium acetate [Pd (OAc) 2]67 mg (0.12 mmol) of 1,1′-bis (diphenylphosphino) ferrocene (dppf) and 577 mg (6 mmol) of sodium tert-butoxide (NaOtBu)And with 5 mL of toluene as solvent,The reaction was carried out at 90 C for 72 hours,And then into the pure water,Extracted with 60 mL of ether 5 times,The resulting organic layer was washed with anhydrous magnesium sulfate and the solvent was removed,Purification by column chromatography [3: 2 (v / v) n-hexane and ethyl acetate]That is, the orange compound BPAFc is obtained(Yield 68%The structure is shown in Reaction Scheme II).

With the complex challenges of chemical substances, we look forward to future research findings about Aminoferrocene

Simple exploration of 1273-82-1

1273-82-1 Aminoferrocene 72747180, airon-catalyst compound, is more and more widely used in various fields.

1273-82-1, Aminoferrocene is a iron-catalyst compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated,1273-82-1

General procedure: The organometallic compounds derived from 5-nitrothiophene were prepared following the same procedure as of their 5-nitrofurane analogues [14]. Equimolar amounts of the amino compound and 5-nitro-2-thiophenecarboxaldehyde were dissolved in anhydrous benzene (20mL) and refluxed for 1h under a nitrogen atmosphere. After, the solvent was removed under vacuum and the colored solids obtained were purified by crystallization from CH2Cl2/hexane (1:5) at -18C.

1273-82-1 Aminoferrocene 72747180, airon-catalyst compound, is more and more widely used in various fields.

Reference£º
Article; Arancibia, Rodrigo; Klahn, A. Hugo; Buono-Core, Gonzalo E.; Contreras, Daniel; Barriga, German; Olea-Azar, Claudio; Lapier, Michel; Maya, Juan D.; Ibanez, Andres; Garland, Maria Teresa; Journal of Organometallic Chemistry; vol. 743; (2013); p. 49 – 54;,
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 Aminoferrocene

With the complex challenges of chemical substances, we look forward to future research findings about 1273-82-1,belong iron-catalyst compound

As a common heterocyclic compound, it belongs to iron-catalyst compound, name is Aminoferrocene, and cas is 1273-82-1, its synthesis route is as follows.,1273-82-1

Aminoferrocene (0.40 g, 1.98 mmol) and acetaldehyde (0.1 mL, 1.98 mmol) were dissolved on methanol (10 mL) and refluxed for 2 h. Then, Na[B(CN)H3] (0.12 g, 1.98 mmol) dissolved in MeOH (10 mL) was slowly added. The mixture obtained was acidified with HCl (2 mL, 1 M in water) and left stirring for 30 min. Afterwards, the solvent was removed in vacuum (0.01 mbar) and the rest was mixed with triphosgene (0.59 g, 1.98 mmol) in toluene (25 mL). The suspension obtained was refluxed for 1 h, cooled down to 22C and then mixed with solution of 4-(hydroxymethyl)phenylboronic acid pinacol ester (0.46 g, 1.98 mmol) in toluene (10 mL). The resulting solution was heated to 120C and stirred at these conditions for 6 h. Then, the solvent was removed in vacuum (0.01 mbar) and the crude product was purified by column chromatography on silica gel using hexane containing 5% of acetone as eluent. Yield 0.20 g (20%). Rf= 0.5 (silica, eluent – hexane / acetone, 5/1, v/v). 1H NMR (400 MHz, acetone-d6), delta in ppm: 1.27 (t, 3H), 1.33 (s, 12H), 3.77 (q, 2H), 4.00 (s, 2H), 4.13 (s, 5H), 4.53 (m, 2H), 5.22 (s, 2H), 7.46 (d, 1 H), 7.77 (d, 2H). 13C NMR (100.55 MHz, acetone-d6), delta in ppm: 14.4, 25.3, 45.8, 62.8, 65.1, 66.9, 67.5, 69.8, 84.6, 127.8, 128.1, 135.7 (two overlapping peaks), 139.1, 141.2. FAB MS: calculated for C26H32BNO4Fe 489.2, found 489.2 m/z. C, H, N analysis: calculated for C26H32BNO4Fe – C 63.8%; H 6.6%; N 2.9%; found – C 63.8%; H 6.8%; N 2.9%. IR spectra (in KBr), wave number in cm-1: 3101, 2973, 1696, 1623.

With the complex challenges of chemical substances, we look forward to future research findings about 1273-82-1,belong iron-catalyst compound

Reference£º
Patent; Ruprecht-Karls-Universitaet Heidelberg; EP2497775; (2012); 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 1273-82-1

With the complex challenges of chemical substances, we look forward to future research findings about Aminoferrocene

Name is Aminoferrocene, as a common heterocyclic compound, it belongs to iron-catalyst compound, and cas is 1273-82-1, its synthesis route is as follows.,1273-82-1

(Aminoferrocenyl)(ferrocenyl)carbene(pentacarbonyl)tungsten(0) (W(CO)5(E-2)): 402 mg (2.0 mmol) of Fc-NH2 and 1132 mg (2.0 mmol) of W(CO)5(1Et) where dissolved in dryTHF (40 mL). 1595 mg (8.0 mmol) of potassium hexa methyldisilazide(KHMDS) in dry THF (40 mL) were added with in 5.5 h while stirring at room temperature. The reaction was monitored by TLC to check the reaction progress and to stopthe reaction before extensive imine formation occurs. After 8 h,the solvent was removed under reduced pressure and anaqueous saturated NaHCO3 solution (100 mL) was added.The aqueous phase was extracted with dichloromethane(3 ¡Á 100 mL) and the combined organic phases were washed with aqueous saturated NaHCO3 solution (2 ¡Á 100 mL) and brine (2 ¡Á 100 mL). The organic phase was dried over MgSO4. After evaporation of the solvent under reduced pressure, a crudered product was obtained (1.04 mg). Purification by columnchromatography (SiO2; 40 cm ¡Á 5.5 cm; petroleum ether (40/60):CH2Cl2 1:1; Rf (Fc-NH2) = 0.0, Rf (E-3) = 0.5,Rf (W(CO)5(E-2)) = 0.8) yielded 403 mg (0.56 mmol, 28%) of deep red crystalline needles. 1H NMR (CD2Cl2): delta 10.50 (s, 1H,H6), 4.73 (pt, 2H, H8), 4.71 (pt, 2H, H3), 4.62 (pt, 2H, H2),4.37 (s, 5H, H1/10), 4.33 (pt, 2H, H9), 4.32 (s, 5H, H1/10) ppm; 13C NMR (CD2Cl2) delta 259.6 (C5), 204.4 (C12), 199.3(C11,1JWC = 127 Hz), 99.7 (C7), 97.7 (C4), 72.1 (C2), 70.7(C3), 70.6 (C1/10), 70.2 (C1/10), 69.1 (C8), 67.8 (C9) ppm; MS(FD) m/z (int.): 721.0 (100, [M]+); IR (KBr) : 3335 (m, NH),3107 (s, CH), 2058 (vs, CO), 1977 (vs, CO), 1899 (br, CO),1508 (s), 1350 (m), 1238 (m), 1057 (m), 822 (m), 600 (s), 579(m), 480 (m) cm-1; IR (CH2Cl2) : 2060 (vs, CO A1), 1975 (s,CO B1), 1921 (br, CO E, A1), 1503 (m) cm-1; IR (CD2Cl2) :3439 (w, NH(W(CO)5(Z-2))), 3240 (m, NH(W(CO)5(E-2)))cm-1; UV-vis (CH2Cl2) lambdamax (epsilon): 290 sh (15370), 355 (11020),387 (11680), 468 sh (2570 M-1 cm-1) nm; CV (THF, vs FcH/FcH+): E1/2 = -2.38 V (qrev.), Ep,ox = 0.26, 0.48 V, Ep,red =0.17, -0.15, -0.76 V; Anal. calcd for C26H19Fe2NO5W (720.95): C, 43.31; H, 2.66; N, 1.94; found: C, 43.30; H, 2.69;N, 1.91.

With the complex challenges of chemical substances, we look forward to future research findings about Aminoferrocene

Reference£º
Article; Veit, Philipp; Foerster, Christoph; Heinze, Katja; Beilstein Journal of Organic Chemistry; vol. 12; (2016); p. 1322 – 1333;,
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

New learning discoveries about 1273-82-1

With the rapid development of chemical substances, we look forward to future research findings about Aminoferrocene

Aminoferrocene, cas is 1273-82-1, it is a common heterocyclic compound, the iron-catalyst compound, its synthesis route is as follows.,1273-82-1

General procedure: Aminoferrocene (1, 11.0 mg, 0.0547 mmol) was dissolved in 9 cm3 toluene. Formylphenylboronic acid (2, 8.2 mg,0.0547 mmol) was dissolved in 1 cm3 dry ethanol. Both reagent solutions were mixed in an evaporating flask. The solvents were removed under reduced pressure on a rotary vacuum evaporator (the water bath temperature strictly below 40 C) to give [(ferrocenylimino)methyl]phenylboronic acid 3 as a violet/red powder; 18.2 mg (quant.). The products were used as prepared without need of a further purification (Fig. 5).

With the rapid development of chemical substances, we look forward to future research findings about Aminoferrocene

Reference£º
Article; Konhefr, Martin; Lacina, Karel; Langmajerova, Monika Skrutkova; Glatz, Zden?k; Skladal, Petr; Mazal, Ctibor; Monatshefte fur Chemie; vol. 148; 11; (2017); p. 1953 – 1958;,
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