Day: September 14, 2020

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

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).

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; 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

As a common heterocyclic compound, it belongs to iron-catalyst compound, name is Ferrocenecarboxaldehyde, and cas is 12093-10-6, its synthesis route is as follows.,12093-10-6

General procedure: To a stirred suspension of p-toluenesulfonyl hydrazide (1eq.) in water (12mL) and three drops of HCl 32%, the formyl or acetyl organometallic precursor (1eq.) was added. The resulting mixture was stirred for 18h at room temperature. The precipitate obtained was washed with water (2¡Á10mL) and dried under vacuum. The hydrazone derivatives were recrystallized from acetone/hexane (1:5) at -18C

With the complex challenges of chemical substances, we look forward to future research findings about 12093-10-6,belong iron-catalyst compound

Reference£º
Article; Concha, Camila; Quintana, Cristobal; Klahn, A. Hugo; Artigas, Vania; Fuentealba, Mauricio; Biot, Christophe; Halloum, Iman; Kremer, Laurent; Lopez, Rodrigo; Romanos, Javier; Huentupil, Yosselin; Arancibia, Rodrigo; Polyhedron; vol. 131; (2017); p. 40 – 45;,
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

1287-16-7, Ferrocenylacetic acid is a iron-catalyst compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated,1287-16-7

1) 1.2 mmol of ferrocenyl acetic acid and 1 mmol of 3- (4-chlorophenyl) -4-amino-5-mercapto-1,2,4-triazole were weighed out,Added to a dry 250mL single-necked flask,Then p-toluenesulfonic acid 0.12 mmol,Then 6 mL of DMF was added thereto,The glass rod is stirred to dissolve it.2)The round bottom flask was placed in a microwave reactor,380W under irradiation once every 30s,The duration of irradiation is 3min.After irradiation,cool down.3)Pour it into a crushed beaker,With potassium carbonate and potassium hydroxide pH = 7,Placed overnight,filter,Washed,dry,The crude product of 3- (4-chlorophenyl) -6-ferrocenylmethylene-1,2,4-triazolo [3.4-b] -1,3,4-thiadiazole was obtained,Using a solvent mixture of DMF and absolute ethanol in a volume ratio of 5: 1,The crude product was recrystallized,That is, a brown solid,The yield is 85%

1287-16-7 Ferrocenylacetic acid 73425372, airon-catalyst compound, is more and more widely used in various fields.

Reference£º
Patent; Shaanxi University of Science and Technology; Liu, Yuting; Song, Simeng; Yin, Dawei; Jiang, Shanshan; Liu, Beibei; Yang, Aning; Wang, Jinyu; Lyu, Bo; (13 pag.)CN104231004; (2017); B;,
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 Ferrocene, and cas is 102-54-5, its synthesis route is as follows.,102-54-5

Synthesis of ferrocenecarboxaldehyde (2) In a Schlenk-type apparatus, 2.1 mL (28 mmol) of DMF was added to the solution of 5.31 g (28 mmol) of ferrocene in 30 mL of dry chloroform, and the resulting mixture was stirred in an ice-bath under nitrogen atmosphere for 15 min. Then, 2.6 mL (28 mmol) of POCl3 was dropwise added to the mixture about half an hour. The resulting reaction mixture was refluxed for 12 h. After solvent removal, the product was poured into 100 mL ice water and filtered. The filtrate was neutralized with Na2CO3 power, and extracted repeatedly with ether. The crude product was obtained by evaporation of the solvent and purified by silica gel (100-200 mesh) chromatography to give a reddish-brown solid. Yield: 3.21 g, 53%. M.p. 123-124 C. 1H NMR (400 MHz, CDCl3): delta 9.99 (s, 1H, CHO), 4.82 (s, 2H, Cp-H), 4.63 (s, 2H, Cp-H), 4.30 (s, 5H, Cp-H). 13C NMR (101 MHz, CDCl3): delta 193.50 (CHO), 79.63 (Cp), 73.19 (Cp), 69.58 (Cp). MS (ESI) m/z 214.89 [M + H]+ Cal. 214.

With the complex challenges of chemical substances, we look forward to future research findings about 102-54-5,belong iron-catalyst compound

Reference£º
Article; Su, Zhi-Ming; Lin, Cai-Xia; Zhou, Yun-Tao; Xie, Li-Li; Yuan, Yao-Feng; Journal of Organometallic Chemistry; vol. 788; (2015); p. 17 – 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

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.102-54-5,Ferrocene,as a common compound, the synthetic route is as follows.,102-54-5

Synthesis of ferrocenecarboxaldehyde (2) In a Schlenk-type apparatus, 2.1 mL (28 mmol) of DMF was added to the solution of 5.31 g (28 mmol) of ferrocene in 30 mL of dry chloroform, and the resulting mixture was stirred in an ice-bath under nitrogen atmosphere for 15 min. Then, 2.6 mL (28 mmol) of POCl3 was dropwise added to the mixture about half an hour. The resulting reaction mixture was refluxed for 12 h. After solvent removal, the product was poured into 100 mL ice water and filtered. The filtrate was neutralized with Na2CO3 power, and extracted repeatedly with ether. The crude product was obtained by evaporation of the solvent and purified by silica gel (100-200 mesh) chromatography to give a reddish-brown solid. Yield: 3.21 g, 53%. M.p. 123-124 C. 1H NMR (400 MHz, CDCl3): delta 9.99 (s, 1H, CHO), 4.82 (s, 2H, Cp-H), 4.63 (s, 2H, Cp-H), 4.30 (s, 5H, Cp-H). 13C NMR (101 MHz, CDCl3): delta 193.50 (CHO), 79.63 (Cp), 73.19 (Cp), 69.58 (Cp). MS (ESI) m/z 214.89 [M + H]+ Cal. 214.

102-54-5 Ferrocene 7611, airon-catalyst compound, is more and more widely used in various fields.

Reference£º
Article; Su, Zhi-Ming; Lin, Cai-Xia; Zhou, Yun-Tao; Xie, Li-Li; Yuan, Yao-Feng; Journal of Organometallic Chemistry; vol. 788; (2015); p. 17 – 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

As a common heterocyclic compound, it belongs to iron-catalyst compound, name is Ferrocenecarboxaldehyde, and cas is 12093-10-6, its synthesis route is as follows.,12093-10-6

General procedure: In a typical procedure, 1.39 mmol of 2?-hydroxyacetophenone (for 1 and 3) or 2?-hydroxy-4?-methoxyacetophenone (for 2 and 4) were dissolved in 40 ml of methanol. To this solution, 4 equivalent of potassium hydroxide were added and stirred for 15 min at room temperature. Then, 1.40 mmol of the appropriate ferrocenecarboxaldehyde derivative, (i.e. 1-ferrocenecarboxaldehyde for 1 and 2 or 1,1-ferrocenedicarboxaldehyde for 3 and 4) were added. The mixture was stirred during three days at room temperature. Then, methanol was evaporated in vacuum (rotary evaporator) and the crude reaction mixture was submitted to column chromatography (silica gel 60, Ethyl acetate: Hexane = 3:10 v/v).

With the complex challenges of chemical substances, we look forward to future research findings about 12093-10-6,belong iron-catalyst compound

Reference£º
Article; Trujillo, Alexander; Ocayo, Fernanda; Artigas, Vania; Santos, Juan C.; Jara-Ulloa, Paola; Kahlal, Samia; Saillard, Jean-Yves; Fuentealba, Mauricio; Escobar, Carlos A.; Tetrahedron Letters; vol. 58; 5; (2017); p. 437 – 441;,
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.,1293-65-8

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).

With the complex challenges of chemical substances, we look forward to future research findings about 1293-65-8,belong iron-catalyst compound

Reference£º
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

As a common heterocyclic compound, it belongs to iron-catalyst compound, name is Ferrocene, and cas is 102-54-5, its synthesis route is as follows.,102-54-5

In a three-necked flask equipped with a thermometer, 3.72 g (0.02 mol) of ferrocene and 18.86 mL (0.2 mol) of acetic anhydride were added 3.3 mL (0.06 mol) of phosphoric acid was added dropwise with stirring. The temperature was controlled at 55-60C and the TLC point plate was followed to complete conversion of ferrocene. After adding saturated Na2CO3 solution to neutralize to pH=7, the mixture was extracted with methylene chloride (30 mL x 3) and the combined organic phases were washed with water and dried over anhydrous magnesium sulfate. Column separation. 3.86 g of pure acetylferrocene was obtained. Yield : 85%.

With the complex challenges of chemical substances, we look forward to future research findings about 102-54-5,belong iron-catalyst compound

Reference£º
Patent; Zhengzhou University of Light Industry; Yu Shuyan; Zhang Tongyan; Wang Ruijuan; Yin Zhigang; Yang Xuzhao; Lan Hongbing; (13 pag.)CN107383112; (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

As a common heterocyclic compound, it belongs to quinuclidine compound,Quinuclidine-4-carboxylic acid hydrochloride,40117-63-3,Molecular formula: C8H14ClNO144,mainly used in chemical industry, its synthesis route is as follows.,1287-16-7

General procedure: A mixture of ferrocene acetic acid (1 mmol), the required 3-substituted-4-amino-5-mercapto-1,2,4-triazole(1 mmol), and p-toluenesulfonic acid (0.1 mmol) in DMF(10 mL) was stirred until a homogeneous solution was obtained. The mixture was exposed to microwave irradiation for about 3 min at 350 W and then cooled and poured into crushed ice. The mixture was adjusted to pH 7 with potassium carbonate and potassium hydroxide and then kept overnight at room temperature. The crude product was filtered off, dried and recrystallized from 80% ethanol to afford the pure product (Scheme 1).

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

Reference£º
Article; Liu, Yuting; Xin, Hong; Yin, Jingyi; Yin, Dawei; Transition Metal Chemistry; vol. 43; 5; (2018); p. 381 – 385;,
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

With the rapid development and complex challenges of chemical substances, new drug synthesis pathways are usually the most effective.1287-16-7,Ferrocenylacetic acid,as a common compound, the synthetic route is as follows.,1287-16-7

General procedure: A mixture of ferrocene acetic acid (1 mmol), the required 3-substituted-4-amino-5-mercapto-1,2,4-triazole(1 mmol), and p-toluenesulfonic acid (0.1 mmol) in DMF(10 mL) was stirred until a homogeneous solution was obtained. The mixture was exposed to microwave irradiation for about 3 min at 350 W and then cooled and poured into crushed ice. The mixture was adjusted to pH 7 with potassium carbonate and potassium hydroxide and then kept overnight at room temperature. The crude product was filtered off, dried and recrystallized from 80% ethanol to afford the pure product (Scheme 1).

1287-16-7 Ferrocenylacetic acid 73425372, airon-catalyst compound, is more and more widely used in various fields.

Reference£º
Article; Liu, Yuting; Xin, Hong; Yin, Jingyi; Yin, Dawei; Transition Metal Chemistry; vol. 43; 5; (2018); p. 381 – 385;,
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