Category: 930-62-1

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. 930-62-1, name is 2,4-Dimethylimidazole, A new synthetic method of this compound is introduced below., HPLC of Formula: C5H8N2

Preparation 14 Ethyl N-trifluoroacetyl-N-(2-nitro-5-[2,4-dimethylimidazol-1-yl]benzyl)glycinate STR36 A mixture of 2,4-dimethylimidazole (6.25 g), ethyl N-trifluoroacetyl-N-(5-fluoro-2-nitrobenzyl)glycinate (22.0 g) and sodium carbonate (6.62 g) was stirred and heated at 130 for 2 hours. Volatile material was removed from the cooled mixture in vacuo and the residue was partitioned between ethyl acetate (200 cm3) and water (100 cm3). The organic phase was washed with water (2*25 cm3), dried (MgSO4), and evaporated in vacuo to give an oil which was chromatographed on silica (Merck “MK 60.9385” [Trade Mark]) eluding with ethyl acetate:methanol, 1:19. Combination and evaporation of the appropriate fractions gave an oil which crystallized on trituration with ether to afford the title compound, m.p. 172.5-176 (3.1 g). Analysis %: Found: C,50.7; H,4.8; N,12.7; Calculated for C18 H19 F3 N4 O5: C,50.5; H,4.5; N,13.1.

The synthetic route of 930-62-1 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Pfizer Inc.; US4783467; (1988); A;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Reference of 930-62-1, The chemical industry reduces the impact on the environment during synthesis 930-62-1, name is 2,4-Dimethylimidazole, I believe this compound will play a more active role in future production and life.

Compound 5.5. 5-Iodo-2,4-dimethyl-lH-imidazole. NIS (14.0g, 62.4mmol) was added portion-wise to a solution of 2,4-dimethyl- lH-imidazole (5.00 g, 52.0 mmol) in acetonitrile (100 mL). The mixture was heated at 80 C for 16 hours, then cooled to room temperature. The solvent was removed under reduced pressure and the residue was partitioned between EtOAc (300 mL) and water (80 mL). The organic layer was washed with saturated sodium thiosulfate (50 mL), brine (50 mL), dried (MgS04) and concentrated under reduced pressure. The residue was purified with by silica gel column chromatography (hexanes:EtOAc 1 : 1 to 10% MeOH in EtOAc) to yield the title compound as a light yellow solid (8.56 g, 74%). m/z (ES+) 223(M+H)+. NMR (400 MHz, CDC13) delta 9.69 (br s, 1H), 2.38 (s, 3H), 2.19 (s, 3H)

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, 2,4-Dimethylimidazole, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; 3-V BIOSCIENCES, INC.; HEUER, Timothy Sean; OSLOB, Johan D.; MCDOWELL, Robert S.; JOHNSON, Russell; YANG, Hanbiao; EVANCHIK, Marc; ZAHARIA, Cristiana A.; CAI, Haiying; HU, Lily W.; WO2015/95767; (2015); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 930-62-1, name is 2,4-Dimethylimidazole, This compound has unique chemical properties. The synthetic route is as follows., Product Details of 930-62-1

PREPARATIVE EXAMPLE 51. A mixture of 2-chloroethylamine hydrochloride (7.66 g, 66 mmol), 2,4- dimethylimidazole (5.88 g, 61 mmol), tetrabutyl ammonium sulfate (0.83 g, 2.5 mmol), solid NaOH (8.81 g, 220 mmol) and anhydrous acetonitrile (80 mL) Is stirred at reflux for 48 h under N2- The mixture is filtered, concentrated in vacuo and purified by flash column chromatography (silica gel) using 2% MeOH-CH2Cl2 saturated with aqueous ammonium hydroxide to give the title compound.

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 930-62-1.

Reference:
Patent; SCHERING CORPORATION; WO2007/84498; (2007); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Electric Literature of 930-62-1, 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 930-62-1 as follows.

A mixture of 2,4-dimethyl-lH-imidazole (5.00 g, 52.0 mmol),1 ,2-difluoro-4~nitrobenzene (8.27 g, 52.0 mmol), and sodium bicarbonate (4.37 g, 52.0 mmol) in DMSO (100 mL) was heated at 80 0C for 24 h . The reaction mixture was allowed to cool to rt and was poured into water (800 mL). The aqueous mixture was extracted with EtOAc (3 x 200 mL). The combined organic extracts were sequentially washed with water (500 mL) and brine solution (100 mL). The organic layer was dried over sodium sulfate, filtered, and concentrated in vacuo. The dark residue was dissolved in ethyl acetate (200 mL). Hexane (50 mL) was added to the solution. The resulting mixture was allowed to age for 72 h at it. The resulting solid was collected by vacuum filtration. The solid was dried under high vacuum to afford l-(2-fluoro-4-nitrophenyl)-2,4-dimethyl-lH-imidazole (6.68 g, 27.8 mmol., 54 % yield) as a yellow crystalline solid. LC-MS (M+H)+ = 236.1. IH NMR (500 MHz, CHLOROFORM-d) B ppm 8.13 – 8.22 (m, 2 H), 7.51 (dd, J=8.9, 7.3 Hz, 1 H), 6.72 (s, 1 H), 2.28 – 2.36 (m, 3 H), 2.22 – 2.28 (m, 3 H).

According to the analysis of related databases, 930-62-1, the application of this compound in the production field has become more and more popular.

Reference:
Patent; BRISTOL-MYERS SQUIBB COMPANY; MARCIN, Lawrence, R.; THOMPSON, Lorin, A., III; BOY, Kenneth, M.; GUERNON, Jason, M.; HIGGINS, Mendi, A.; SHI, Jianliang; WU, Yong-Jin; ZHANG, Yunhui; MACOR, John, E.; WO2010/83141; (2010); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Synthetic Route of 930-62-1, These common heterocyclic compound, 930-62-1, name is 2,4-Dimethylimidazole, 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.

A stirred solution of 3-(4-bromophenyl)-1 ,4-diazaspiro[4.4]non-3-en-2-one (D3) (770 mg2,4-dimethyl-1 H-imidazole (379 mg, 3.94 mmol) and copper bis(2,2,6,6-tetramethyl- 3,5-heptanedionate) (337 mg, 0.788 mmol) in DMF (3 ml) at room temperature, under argon was treated with potassium tert-butoxide (1179 mg, 10.51 mmol). After stirring at room temperature for 5 min, the mixture was heated to 12O0C and this temperature was maintained for 16 h. Further batches of the imidazole (379 mg) and copper bis(2, 2,6,6- tetramethyl-3,5-heptanedionate) (337 mg) were added and heating was continued for 7 days. The reaction mixture was cooled and diluted with saturated aqueous sodium bicarbonate solution (100 ml) and ethyl acetate (100 ml). After mixing, the mixture was filtered through Kieselghur. The ethyl acetate layer was separated and the aqueous phase re-extracted with ethyl acetate (50 ml). The combined organics were dried (MgSO4) and evaporated. The residue was applied in MeOH to an SCX column (10 g). After washing with MeOH the product was eluted with 2M NH3-MeOH. Evaporation afforded a brown gum. Chromatography (1 Og isolute column, 0-2% MeOH-DCM) afforded, after solvent removal, material (250 mg) consistent with presence of 2 isomers in approx 9:1 ratio with the major component subsequently confirmed (by 1H NMR nOe studies at the final product stage) as the title compound.Mass Spectrum (Electrospray LC/MS): Found 309 (MH+). Ci8H20N4O requires 308. Ret. time 1.02 min

The synthetic route of 930-62-1 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; GLAXO GROUP LIMITED; WO2009/34061; (2009); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Related Products of 930-62-1, 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. 930-62-1, name is 2,4-Dimethylimidazole belongs to imidazoles-derivatives compound, it is a common compound, a new synthetic route is introduced below.

a. 8-(2,4-Dimethyl-1H-imidazol-1-yl)-7-trifluoromethyl[1,2,4]triazolo-[4,3-a]quinoxaline-1,4(2H,5H)-dione The title compound was prepared from 4-amino-2-chloro-5-nitrobenzotrifluoride and 2,4-dimethylimidazole by a method analogous to the method described in example 4. M.p.>330 C. 1 H-NMR (DMSO-d6): delta2.02 (s, 3H), 2.11 (s, 3H), 6.91 (s, 1H), 7.69 (s, 1H), 8.44 (s, 1H), 12.15 (br.s, 1H), 13.15 (br. s, 1H). MS (m/e): 364 (M+, 100%).

The synthetic route of 2,4-Dimethylimidazole has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Novo Nordisk A/S; US5532236; (1996); A;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Related Products of 930-62-1, 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. 930-62-1, name is 2,4-Dimethylimidazole belongs to imidazoles-derivatives compound, it is a common compound, a new synthetic route is introduced below.

a. 8-(2,4-Dimethyl-1H-imidazol-1-yl)-7-trifluoromethyl[1,2,4]triazolo-[4,3-a]quinoxaline-1,4(2H,5H)-dione The title compound was prepared from 4-amino-2-chloro-5-nitrobenzotrifluoride and 2,4-dimethylimidazole by a method analogous to the method described in example 4. M.p.>330 C. 1 H-NMR (DMSO-d6): delta2.02 (s, 3H), 2.11 (s, 3H), 6.91 (s, 1H), 7.69 (s, 1H), 8.44 (s, 1H), 12.15 (br.s, 1H), 13.15 (br. s, 1H). MS (m/e): 364 (M+, 100%).

The synthetic route of 2,4-Dimethylimidazole has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Novo Nordisk A/S; US5532236; (1996); A;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Reference of 930-62-1, 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 930-62-1 as follows.

Intermediate 27: 2,4-Dimethyl-1-trityl-1H-imidazole; A solution of trityl chloride (15 g, 55 mmol) in dichloromethane (50 mL) was added drop wise over 45 minutes to a solution of 2,4-dimethyl imidazole (5 g, 52 mmol) in a mixture of dichloromethane (100 mL) and triethylamine (11.3 mL, 81 mmol) at room temperature. The mixture was stirred over night, then quenched with methanol (4 mL) and stirred for additional 30 minutes. The solvent was evaporated, the residue taken up in toluene (600 mL), washed with potassium phosphate buffer (pH 7, 1M, 2x 200 mL) and with water (200 mL). The organic phase was diluted with dichloromethane (200 mL), dried over sodium sulfate, and concentrated under reduced pressure to -100 mL. Hexanes (100 mL) were added and the precipitated was collected by filtration and washed with hexanes (2x 50 mL) to give 14.76 g (84 %) of the product as a colourless solid. ¹H-NMR (CDCl3) 5: 1.62 (s, 3H); 2.16 (s, 3H); 6.40 (s, 2H); 7.10-7.40 (m, 15H).

According to the analysis of related databases, 930-62-1, the application of this compound in the production field has become more and more popular.

Reference:
Patent; ASTRAZENECA AB; ASTRAZENECA UK LIMITED; WO2005/116022; (2005); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

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 930-62-1 as follows. Application In Synthesis of 2,4-Dimethylimidazole

(3) taking 20 mmol of 2,4-dimethylimidazole in 10 mL of DMSO,Add 40 mmol of ground NaOH,After heating to 60 C, 20 mmol of chloromethylbenzotriazole was added, heated in a water bath at 60 C for 60 min, cooled to room temperature, poured into 50 g of ice water, and a precipitate was formed by stirring, and suction filtration was performed.The precipitate was washed 3 times with water.Obtain a crude product;(4) The crude product was recrystallized by adding ethyl acetate at 78 C to obtain yellow-white crystals, which was the ligand 1-(benzotriazole-1-methyl)-1-(2,4-dimethyl Imidazole).

According to the analysis of related databases, 930-62-1, the application of this compound in the production field has become more and more popular.

Reference:
Patent; Henan University of Traditional Chinese Medicine; Wang Xia; Ling Ning; Yang Jing; Zeng Dai; Cheng Di; Zhang Yawen; Yang Huaixia; (12 pag.)CN108774252; (2018); 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. 930-62-1, name is 2,4-Dimethylimidazole, A new synthetic method of this compound is introduced below., Computed Properties of C5H8N2

Example 0698 A mixture of tris(dibenzylideneacetone)dipalladium(0) (27 mg), 2-di-tert-butylphosphino-3,4,5,6-tetramethyl-2′,4′,6′-triisopropyl-1,1′-biphenyl (29 mg), tripotassium phosphate (96 mg), and toluene (1.5 mL) was stirred at 110 C. for 5 minutes in a nitrogen atmosphere. 7-Bromo-N-(5-isopropylpyridazin-3-yl)-1,5-naphthyridine-2-amine (50 mg) and 2,4-dimethyl-1H-imidazole (43 mg) were added to the reaction mixture, followed by stirring at 110 C. for 4 hours. The reaction mixture was cooled to room temperature, and the solvent was distilled off under reduced pressure. The obtained residue was purified sequentially by silica gel column chromatography (hexane-ethyl acetate-methanol), preparative thin layer silica gel column chromatography (chloroform-methanol, NH silica), and preparative thin layer silica gel column chromatography (chloroform-methanol), thereby obtaining 7-(2,4-dimethyl-1H-imidazol-1-yl)-N-(5-isopropylpyridazin-3-yl)-1,5-naphthyridine-2-amine (10 mg) as a pale yellow solid. 1H-NMR (DMSO-d6) delta: 10.87 (1H, s), 8.87 (1H, d, J=1.8 Hz), 8.82 (1H, d, J=1.8 Hz), 8.33 (1H, d, J=9.0 Hz), 8.31 (1H, brs), 8.22 (1H, brs), 7.82 (1H, d, J=9.0 Hz), 7.21 (1H, s), 3.10-2.95 (1H, m), 2.34 (3H, s), 2.08 (3H, s), 1.30 (6H, d, J=6.6 Hz). MS m/z (M+H): 360.

The synthetic route of 930-62-1 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; FUJIFILM Corporation; FURUYAMA, Hidetomo; KURIHARA, Hideki; TERAO, Takahiro; NAKAGAWA, Daisuke; TANABE, Shintaro; KATO, Takayuki; YAMAMOTO, Masahiko; SEKINE, Shinichiro; MASHIKO, Tomoyuki; INUKI, Shinsuke; UEDA, Satoshi; US2015/322063; (2015); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem