Tag: M.W=700-800

Synthetic Route of 144690-33-5, These common heterocyclic compound, 144690-33-5, name is Ethyl 4-(2-hydroxypropan-2-yl)-2-propyl-1-((2′-(1-trityl-1H-tetrazol-5-yl)-[1,1′-biphenyl]-4-yl)methyl)-1H-imidazole-5-carboxylate, 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.

Formula 1Of ethyl 4- (2-hydroxypropan-2-yl)-2-Propyl-1-((2 ‘- (1-trityl-1H-tetrazol-5-yl) biphenyl-4-yl) methyl) -1H- imidazole-5-carboxylate was added a mixed solvent of purified water and dioxane Lithium hydroxide was added and reacted at room temperature for 2 hours. After confirming the termination of the reaction by thin-layer chromatography, the organic solvent was removed by concentration under reduced pressure, methylene chloride was added and neutralized with 1 N hydrochloric acid solution. The organic layer was separated, dried and concentrated, 2 4-(2-hydroxypropan-2-yl)-2-propyl-1 – ((2 ‘- (1-trityl-1H-tetrazol-5-yl)Biphenyl-4-yl) methyl)-1H-imidazole-5-carboxylate was synthesized

Statistics shows that Ethyl 4-(2-hydroxypropan-2-yl)-2-propyl-1-((2′-(1-trityl-1H-tetrazol-5-yl)-[1,1’-biphenyl]-4-yl)methyl)-1H-imidazole-5-carboxylate is playing an increasingly important role. we look forward to future research findings about 144690-33-5.

Reference:
Patent; DAEBONG LS, LTD; PARK, JIN-HO; KIM, YONG-GIL; KWON, JI-WONG; KIM, EUN-MI; LEE, JI-EUN; PARK, SEOK-YONG; (7 pag.)KR101696851; (2017); B1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Synthetic Route of 144690-33-5, The chemical industry reduces the impact on the environment during synthesis 144690-33-5, name is Ethyl 4-(2-hydroxypropan-2-yl)-2-propyl-1-((2′-(1-trityl-1H-tetrazol-5-yl)-[1,1′-biphenyl]-4-yl)methyl)-1H-imidazole-5-carboxylate, I believe this compound will play a more active role in future production and life.

In the equipped with electric stirrer, condenser and a thermometer of the 500 ml three-necked flask, add 20.00g (27.93mmol) intermediate I, 3.13g (55.87mmol) KOH and 80g acetone, for 55 C stirring for 3 hours (TLC monitoring), after the stop of the reaction, to cool down to 20 – 30 C, concentrated to no longer under the dripped, for 1M hydrochloric acid to adjust the pH=3, a large number of white solid precipitated, stirring at the room temperature 1 – 2h, filtering, the filter cake drying added 60 ml ethyl acetate at room temperature beating, filtering, the filter cake is dried to obtain the 11.50g impurities (see Figure 3) F, HPLC: 98.55%, yield: 59.77%.

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, Ethyl 4-(2-hydroxypropan-2-yl)-2-propyl-1-((2′-(1-trityl-1H-tetrazol-5-yl)-[1,1′-biphenyl]-4-yl)methyl)-1H-imidazole-5-carboxylate, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; Tsingtao Yellow Sea Pharmaceutical Co., Ltd.; Liu Chuanfei; Chen Xiaotao; Li Yanshun; Wang Jiahui; Liu Ningning; Yang Kebao; (15 pag.)CN106831727; (2017); A;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Application of 144690-33-5,Some common heterocyclic compound, 144690-33-5, name is Ethyl 4-(2-hydroxypropan-2-yl)-2-propyl-1-((2′-(1-trityl-1H-tetrazol-5-yl)-[1,1′-biphenyl]-4-yl)methyl)-1H-imidazole-5-carboxylate, molecular formula is C45H44N6O3, 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.

79(b) (5-Methyl-2-oxo-1,3-dioxolen-4-yl)methyl 4-(1-hydroxy-1-methylethyl)-2-propyl-1-{4-[2-(tetrazol-5-yl)phenyl]phenyl}methylimidazole-5-carboxylate Following-procedures similar to those described in Example 78(a) and 78(b), but using ethyl 4-(1-hydroxy-1-methylethyl)-2-propyl-{4-[2-(trityltetrazol-5-yl)phenyl]phenyl}methylimidazole-5-carboxylate [prepared as described in step (a) above], the title compound was obtained in a 71% yield. The Nuclear Magnetic Resonance Spectrum of this compound was identical with that of the compound obtained as described in Example 61(b).

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route Ethyl 4-(2-hydroxypropan-2-yl)-2-propyl-1-((2′-(1-trityl-1H-tetrazol-5-yl)-[1,1′-biphenyl]-4-yl)methyl)-1H-imidazole-5-carboxylate, its application will become more common.

Reference:
Patent; Sankyo Company, Limited; US5616599; (1997); A;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

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. 144690-33-5, name is Ethyl 4-(2-hydroxypropan-2-yl)-2-propyl-1-((2′-(1-trityl-1H-tetrazol-5-yl)-[1,1′-biphenyl]-4-yl)methyl)-1H-imidazole-5-carboxylate, A new synthetic method of this compound is introduced below., Product Details of 144690-33-5

Step A,Add 200.72kg to a 500L glass-lined reactorN, N-dimethylacetamide, 50.18 kg of compound (III) and6.27kg of potassium hydroxide powder, heat and stir at 40 for 1.25 hours,A compound (II) reaction solution was 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.

Application of 144690-33-5, 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. 144690-33-5, name is Ethyl 4-(2-hydroxypropan-2-yl)-2-propyl-1-((2′-(1-trityl-1H-tetrazol-5-yl)-[1,1′-biphenyl]-4-yl)methyl)-1H-imidazole-5-carboxylate belongs to imidazoles-derivatives compound, it is a common compound, a new synthetic route is introduced below.

Example 2; Potassium salt of 4-(l-hydroxy-l-methylethyl)-2-propyl-l-{4-[2-(tetrazol-5- yl)phenyl]phenyl}methylimidazole-5-carboxylic acid (4); Ethyl ester 3 (20 g) was dissolved in THF (80 ml) at 50 0C (60 minutes). After cooling to 25 0C, a 40% solution of KOH (10 ml) was added, and the mixture was stirred vigorously for 24 h. After adding ethyl acetate (10 ml), the solution cleared up (neutralization). After concentrating to ca. 40 ml in vacuo, the mixture was diluted with ethyl acetate (100 ml), and solid NaCl (20 g) was added. After separating the phases, the organic layer was filtered and concentrated to ca. 30 ml in vacuo. Methyl ethyl ketone (50 ml) was added to this solution, the mixture was concentrated to 30 ml in vacuo for the subsequent reaction.

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, Ethyl 4-(2-hydroxypropan-2-yl)-2-propyl-1-((2′-(1-trityl-1H-tetrazol-5-yl)-[1,1′-biphenyl]-4-yl)methyl)-1H-imidazole-5-carboxylate, other downstream synthetic routes, hurry up and to see.

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. 144690-33-5, name is Ethyl 4-(2-hydroxypropan-2-yl)-2-propyl-1-((2′-(1-trityl-1H-tetrazol-5-yl)-[1,1′-biphenyl]-4-yl)methyl)-1H-imidazole-5-carboxylate belongs to imidazoles-derivatives compound, it is a common compound, a new synthetic route is introduced below. Computed Properties of C45H44N6O3

To a solution of the compound of Formula IV (5.0 g) in toluene (40 mL), dimethylacetamide (10 mL) is added, followed by addition of sodium hydroxide (1.2 g) and N,N-diisopropylamine (3.7 g) at 25-35C. The mixture is stirred at 40- 45C for 4 hours. 5-Methyl-2-oxo-(1 ,3-dioxolene-4-yl)methyl chloride (1.5 g) and tetrabutylammonium bromide (0.5 g) are added at 40-450C. The mixture is stirred at 60-70C for 8 hours. The mass is cooled to 25-35C, water (50 mL) is added, and the pH is adjusted to about 6-7 by adding 10% aqueous HCI. The layers are separated. The aqueous layer is extracted with toluene (25 mL). The organic layers are combined and washed with water (25 mL). The solvent is distilled under reduced pressure. Methanol (25 mL) is added to the residue. The mixture is cooled to 0-50C and stirred at that temperature for 45 minutes. The formed solid is filtered, washed with methanol (10 mL) and dried for 45 minutes under vacuum (yield 3.0 g).

The synthetic route of 144690-33-5 has been constantly updated, and we look forward to future research findings.

Electric Literature of 144690-33-5, The chemical industry reduces the impact on the environment during synthesis 144690-33-5, name is Ethyl 4-(2-hydroxypropan-2-yl)-2-propyl-1-((2′-(1-trityl-1H-tetrazol-5-yl)-[1,1′-biphenyl]-4-yl)methyl)-1H-imidazole-5-carboxylate, I believe this compound will play a more active role in future production and life.

Example 6; Preparation of 4-(1-Hydroxy-1-methylethyl)-2-propyl-1-{4-[2-(trityltetrazol-5-yl)phenyl]phenyl}methylimidazole-5-carboxylic Acid DihydrateEthyl-4-(1-hydroxy-1-methylethyl)-2-propyl-1-{4-[2-(trityltetrazol-5-yl)phenyl]phenyl}methyl imidazole-5-carboxylate (100 g) was dissolved in isopropyl alcohol (500 ml). Separately prepared solution of potassium hydroxide (32 g) in IPA (1.0 L) was added slowly to above solution at room temperature. Reaction mass was stir for 2-4 hrs at 30-40 C. Isopropyl alcohol was distilled under reduced pressure. Water (400 mL), sodium chloride (40 g) & ethyl acetate (1.0 L) was added to the residue. Separate the two layers & aqueous layer was extracted with ethyl acetate (3¡Á500 ml). Combined ethyl acetate layer was washed with sodium bicarbonate solution (3¡Á500 mL) & dried (Na2SO4). Distilled off ethyl acetate under reduced pressure completely & residue thus obtained was recrystallized from acetonitrile to get 4-(1-hydroxy-1-methylethyl)-2 propyl-1-{4-[2-(trityltetrazol-5-yl)phenyl]phenyl}methylimidazole-5-carboxylic acid dihydrate (95 g).HPLC purity=99.0%Moisture Content5.0%.

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, Ethyl 4-(2-hydroxypropan-2-yl)-2-propyl-1-((2′-(1-trityl-1H-tetrazol-5-yl)-[1,1′-biphenyl]-4-yl)methyl)-1H-imidazole-5-carboxylate, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; Ramanjaneyulu, Gorantla Seeta; Mohan, Bandari; Ray, Purna Chandra; Sethi, Madhuresh Kumar; Rawat, Vijendra Singh; Krishna, Yerramalla Raja; Lakshminarayana, Vemula; Srinivas, Mamidi; US2009/281327; (2009); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Related Products of 144690-33-5, As we all know, there are many different methods for the synthesis of a compound, and people can choose the synthesis method that suits their own laboratory according to the actual situation. 144690-33-5 name is Ethyl 4-(2-hydroxypropan-2-yl)-2-propyl-1-((2′-(1-trityl-1H-tetrazol-5-yl)-[1,1′-biphenyl]-4-yl)methyl)-1H-imidazole-5-carboxylate, This compound is widely used in many fields, so it is necessary to find a new synthetic route. The downstream synthesis method of this compound is introduced below.

188.0kg of tetrahydrofuran was added to a glass-lined reactor, 54.0kg 4- (1- hydroxy-1-methylethyl) -2-propyl-1- {4- [2- (trityl-tetrazol -5 – yl) phenyl] phenyl} methylimidazole-5-carboxylate, 92.0.0kg 4.0kg purified water and lithium hydroxide monohydrate.After complete addition, 20 stirred for 18 hours, once every 2 hours the reaction temperature recording, tracking and detection TLC starting material to substantially complete the reaction.After completion of the reaction, 240.0kg Ethyl acetate and sodium chloride solution (20.0 kg of sodium chloride was added to 180.0kg purified water, and dissolved with stirring), stirred for 10 minutes, allowed to stand for 20 minutes stratification.The organic phase was washed with sodium chloride solution (32.0 kg of sodium chloride was added to 288.0kg purified water, stirred and dissolved) Average washed twice, each wash was stirred for 10 minutes and allowed to stand for 20 minutes.The organic phase was collected, dried over anhydrous sodium sulfate and stirred for 4 hours.Filtered, and the filtrate was concentrated under reduced pressure to remove ethyl acetate (water bath temperature controlled at 45 ¡À 5 , the degree of vacuum at -0.1 ~ -0.06MPa), a solution 188.0kg N, N- dimethylformamide, is added 15.3kg anhydrous potassium carbonate, 2.7kg of potassium iodide was stirred at 20 ¡À 10 was slowly added 14.5kg 4- chloro-5-methyl-1,3-dioxol-2-one, addition was completed, heating, feed temperature control reaction was stirred for 2 hours at 40 ¡À 2 .After completion of the reaction, the material was cooled to 15 ¡À 5 rejection filter, and the filtrate was added to a solution of sodium chloride (338.0kg sodium chloride to 940.0kg purified water, and dissolved with stirring), the following -5 ~ 0 stirred for 4h, rejection was filtered, the filter cake was charged to an oven baking pan blast drying oven at a temperature of 40 ¡À 5 8 hours.To give 58.2kg of trityl olmesartan medoxomil, a yield of 96.5%.

At the same time, in my other blogs, there are other synthetic methods of this type of compound, Ethyl 4-(2-hydroxypropan-2-yl)-2-propyl-1-((2′-(1-trityl-1H-tetrazol-5-yl)-[1,1′-biphenyl]-4-yl)methyl)-1H-imidazole-5-carboxylate, and friends who are interested can also refer to it.

Reference:
Patent; Lianyungang Runzhong Pharmaceutical Co., Ltd.; Zhong Zhaobo; Cheng Jinrong; He Shaojie; Tang Zhaocheng; (6 pag.)CN110396084; (2019); A;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Adding a certain compound to certain chemical reactions, such as: 144690-33-5, name is Ethyl 4-(2-hydroxypropan-2-yl)-2-propyl-1-((2′-(1-trityl-1H-tetrazol-5-yl)-[1,1′-biphenyl]-4-yl)methyl)-1H-imidazole-5-carboxylate, belongs to imidazoles-derivatives compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 144690-33-5, name: Ethyl 4-(2-hydroxypropan-2-yl)-2-propyl-1-((2′-(1-trityl-1H-tetrazol-5-yl)-[1,1′-biphenyl]-4-yl)methyl)-1H-imidazole-5-carboxylate

20L reactor was added 300.0g (1.25mol) imidazole mono-, 1043.6g (1.87mol) BBTT, 44.8g (1.87mol) of lithium hydroxide and 7kg acetonitrile. The reaction system was increased to 70-75 5h, TLC or HPLC in control, raw reaction was complete. After cooling to 30-45 system To the system was added in portions 280.6g (5.0mol) of potassium hydroxide and 700g of water to form a solution. Plus complete, insulation reaction 4-5h, TLC or HPLC in control, raw reaction was complete. After 300g of water added to the system dropwise acetic acid adjusted to pH 5.5 to 6.5. After stirring for 1h incubation continued cooling to room temperature, filtered, the filter cake washed with a small amount of acetone to obtain 777.4g of intermediate 5 run. HPLC: 95.9%,Yield: 90.4%.

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, Ethyl 4-(2-hydroxypropan-2-yl)-2-propyl-1-((2′-(1-trityl-1H-tetrazol-5-yl)-[1,1′-biphenyl]-4-yl)methyl)-1H-imidazole-5-carboxylate, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; Jiangsu Bang Pharmaceutical Co., Ltd.; Zhao, Guangrong; Huan, Shuang; Zhao, Huayang; Liu, Liping; Chen, Guoping; Tang, Jingyu; (19 pag.)CN105481842; (2016); A;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

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. 144690-33-5, name is Ethyl 4-(2-hydroxypropan-2-yl)-2-propyl-1-((2′-(1-trityl-1H-tetrazol-5-yl)-[1,1′-biphenyl]-4-yl)methyl)-1H-imidazole-5-carboxylate, A new synthetic method of this compound is introduced below., Quality Control of Ethyl 4-(2-hydroxypropan-2-yl)-2-propyl-1-((2′-(1-trityl-1H-tetrazol-5-yl)-[1,1′-biphenyl]-4-yl)methyl)-1H-imidazole-5-carboxylate

To BIT (130 g, 1 eq) was added acetone (650 mL, 5 vol) at 25C – 30C, and the mixture was dissolved. The reaction mixture was cooled to 0C – 5C, and a solution of potassium hydroxide (30.5 g, 3 eq) in desalting water (130 mL, 1 vol) was slowly added over 15 min. The reaction temperature was warmed to 40C – 45C, and the mixture was stirred at 40C – 45C for 5 hr. Using TLC (thin layer chromatography) (TLC eluent: 10% methanol/methylene chloride, detection method: UV), complete disappearance of BIT was confirmed. [0303] The precipitated solid was filtered, and the filtrate was concentrated under reduced pressure at 40C – 45C. To the obtained concentrated residue were added 25% brine (520 mL, 4 vol) and ethyl acetate (780 mL, 6 vol). After stirring for 10 min, the mixture was left standing for 5 min and partitioned. The aqueous layer was extracted with ethyl acetate (2×260 mL, 2×2 vol), and the extracts were combined with the organic layer. To the organic layer was added saturated aqueous sodium hydrogen carbonate (3×390 mL, 3×3 vol), and the mixture was stirred for 5 min, left standing and partitioned. To the organic layer was added saturated brine (650 mL, 5 vol), and the mixture was stirred for 5 min, left standing and partitioned. The organic layer was dried over sodium sulfate and filtered, and the filtrate was concentrated under reduced pressure at 40C – 45C to give crude product of BIC (115 g, 87%) as a white solid. The crude product was directly used for the next step.

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; API Corporation; SEKI, Masahiko; EP2891650; (2015); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem