Category: 2043-55-2

Reference of 2043-55-2, These common heterocyclic compound, 2043-55-2, name is 1,1,1,2,2,3,3,4,4-Nonafluoro-6-iodohexane, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route.

Diethyl malonate (11.5 mL, 75.7 mmol) was added dropwise to an ice-cold suspension of sodium hydride (60percent dispersion in mineral oil, 2.21 g, 55.4 mmol) in THF (150 mL) at 0 °C during 15 min. The resulting mixture was stirred for 30 min while allowing the temperature from 0?23 °C. 1H,1H,2H,2H-nonafluorohexyl iodide (9.4 mL, 50.5 mmol) was added slowly to the reaction and the mixture was heated at reflux for 3 h, and then was cooled to 23 °C. Water (100 mL) and ethyl ether (100 mL)were added to it. The aqueous layer was extracted with ethyl ether (3 80 mL). The combined organic extracts were dried over sodium sulfate, filtered and concentrated. The residue was purified by flash column chromatography to afford diethyl 2-(3,3,4,4,5,5,6,6,6-nonafluorohexyl)malonate (6) as a colorless liquid (18.2 g, 89 percent). 1H NMR (400 MHz, CDCl3): delta 4.30?4.17 (m, 4H), 3.44?3.40 (m, 1H), 2.23?2.13 (m, 4H), 1.30?1.26 (m, 6H). 19F NMR (CDCl3, 376 MHz): delta -81.98 (3F, tt, J1 = 11.2 Hz, J2 = 3.7 Hz), 115.37 (2F, quintet, J = 15.0 Hz), 125.33 to 125.36 (2F, m), 126.89 to 126.96 (2F, m). 13C NMR (100 MHz, CDCl3): delta 168.61, 61.90, 50.77, 28.46, 19.77, 14.06; ESI-MS (m/z): 429 [M+Na]+. Anal. Calcd. for C13H15F9O4: C, 38.44; H, 3.72. Found: C, 38.12; H, 3.87.

The synthetic route of 2043-55-2 has been constantly updated, and we look forward to future research findings.

Reference:
Article; Bodduri, V.D. Vijaykumar; Chirumarry, Sridhar; Lim, Jae-Min; Lee, Yong-Ill; Jang, Kiwan; Choi, Bong-In; Chung, Seon-Yong; Shin, Dong-Soo; Journal of Fluorine Chemistry; vol. 163; (2014); p. 42 – 45;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Reference of 2043-55-2, In the chemical reaction process, reaction time, type of solvent, can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product. An updated downstream synthesis route of 2043-55-2 as follows.

Into a pressure resistant autoclave (0.5 liter) equipped with stirring vanes (disk turbine), FI, potassium (meth)acrylate, PTZ and BuOH were charged in the amounts (unit: mol) as shown in Table 1, and an ester-forming reaction was carried out under the reaction conditions shown in Table 1 to obtain a reaction mixture. The conversion and selectivity of the reaction are shown in Table 1.

According to the analysis of related databases, 2043-55-2, the application of this compound in the production field has become more and more popular.

Reference:
Patent; Asahi Glass Company, Limited; EP1486482; (2004); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Related Products of 2043-55-2, The chemical industry reduces the impact on the environment during synthesis 2043-55-2, name is 1,1,1,2,2,3,3,4,4-Nonafluoro-6-iodohexane, I believe this compound will play a more active role in future production and life.

Example 2 Synthesis of 1-iodo-5,5,6,6,7,7,8,8,8-nonafluorooctane Anhydrous tetrahydrofuran (200 ml) was added to 60percent sodium hydride (2.78 g, 69.52 mmol) and the resulting mixture was cooled to 0° C. Diethyl malonate (12.18 ml, 80.22 mmol) was slowly added dropwise to this mixture, which was then stirred for 1 hour at room temperature. A solution of 1-iodo-3,3,4,4,5,5,6,6,6-nonafluorohexane (20.0 g, 53.48 mmol) in anhydrous tetrahydrofuran (50 ml) was then slowly added dropwise to the mixture, followed by stirring for 12 hours at room temperature. Water was added to the reaction mixture, which was then extracted twice with ethyl acetate. The combined organic layers were washed with water and saturated aqueous sodium chloride, and then dried over anhydrous magnesium sulfate. After distilling off the solvent, the residue was purified by silica gel column chromatography (eluent: ethyl acetate/hexane=1/50) to give diethyl 2-(3,3,4,4,5,5,6,6,6-nonafluorohexyl)malonate (19.4 g, Yield 89percent). 1H-NMR(300 MHz, CDCl3): delta 4.24(q, 4H), 3.41(t, 1H), 2.30-2.19(m, 4H), 1.28(t, 6H).

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, 1,1,1,2,2,3,3,4,4-Nonafluoro-6-iodohexane, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; Chugai Seiyaku Kabushiki Kaisha; US6552069; (2003); B1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

In the chemical reaction process, reaction time, type of solvent, can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product. An updated downstream synthesis route of 2043-55-2 as follows. SDS of cas: 2043-55-2

General procedure: Perfluoroalkylethyl iodide (1.0 mol equiv.) (3-4 mmol) and NaN3 (1.2 mol equiv.) were added to dry DMSO (2 mL) in a 10 mL CEM microwave glass reactor tube, a magnetic stirring bead added and the system sealed. The tube was subjected to stirring and microwave irradiation at 250 W and 65 °C for 1 h then immediately cooled to r.t.

According to the analysis of related databases, 2043-55-2, the application of this compound in the production field has become more and more popular.

Reference:
Article; Francis, Dominic V.; Miles, D. Howard; Mohammed, Adnan I.; Read, Roger W.; Wang, Xiaobei; Journal of Fluorine Chemistry; vol. 132; 11; (2011); p. 898 – 906;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. Generally, it requires fewer steps, and cheap raw materials. 2043-55-2, name is 1,1,1,2,2,3,3,4,4-Nonafluoro-6-iodohexane, A new synthetic method of this compound is introduced below., name: 1,1,1,2,2,3,3,4,4-Nonafluoro-6-iodohexane

(2) In another 4 liters of the pressure-resistant reactor, 750 g of perfluorobutylethyl iodide obtained in (1) was added, and the mixture was heated to 125 ¡ã C with stirring. A 3000 g solution of 5percent aqueous dimethylformamide was added to the reactor at a rate of 30 g/min using a metering pump. The temperature was controlled at 125-130 ¡ã C, the pressure was not higher than 1.2 MPa, and the reaction was continued for 30 hours.Remove the heat.The organic phase was separated by neutralizing with 1000 g of a 11.3percent aqueous potassium hydroxide solution.Wash once with 1000 g of deionized water, separate the organic phase, remove the light components,490 g of an intermediate product of 85percent of a fluorine-containing alcohol and 8percent of a fluorine-containing olefin were obtained.

The basis of chemical reaction formula synthesis, the synthesis route is composed of some specific reactions and combined according to certain logical thinking. We look forward to the emergence of more reaction modes in the future.

Reference:
Patent; Jinan Qifu New Materials Co., Ltd.; Shandong Chemical Institute; Li Haijing; Zhang Liting; (6 pag.)CN108911983; (2018); A;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

A common compound: 2043-55-2, name is 1,1,1,2,2,3,3,4,4-Nonafluoro-6-iodohexane, belongs to iodides-buliding-blocks compound, it can change the direction of chemical reaction, and react with certain compounds to generate new functional products. A new synthetic method of this compound is introduced below. 2043-55-2

Preparation of [CF3 (CF213CH2CH2LO-3H2] A mixture of 37.4 g of [1-IODO-LH, LH,] 2H, [2H-PERFLUOROHEXANE] and 50.0 g of triethyl phosphite was heated at [150 ¡ãC.] After 16 hr, an additional 50.0 g of triethyl phosphite was added, and heating was continued. After 2 hr, an additional 50.0 g of triethyl phosphite was again added, and heating was continued for another 24 hr. Diethyl ethylphosphonate and other volatiles were removed by distillation through a 12-inch (30 cm) vacuum- jacketed packed column, b. p. [34-38 ¡ãC] at 0.05 torr (7 Pa). Distillation of the concentrate provided 22.3 g of [1-DIETHYLPHOSPHONO-LH, LH,] 2H, 2H-perfluorohexane as a 90: 2: 7 mixture with triethyl phosphate and ethyl 1H, lH, 2H, 2H-perfluorohexyl ethylphosphonate as a clear, colorless liquid, b. p. [47-51 ¡ãC] at 0.05 torr (7 Pa).

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, 2043-55-2, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; 3M INNOVATIVE PROPERTIES COMPANY; WO2003/102003; (2003); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com