Category: 89830-98-8

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. 89830-98-8, name is 5-Cyclopropyl-1H-imidazole, This compound has unique chemical properties. The synthetic route is as follows., Quality Control of 5-Cyclopropyl-1H-imidazole

Into a 50-mL round-bottom flask purged with nitrogen, was placed a solution of 2,4- dichloro-5-(trifluoromethyl)pyridine (800 mg, 3.7 mmol) in DMF (2 mL), 4-cyclopropyl-1H- imidazole (482 mg, 4.4 mmol) and K2C03 (1.53 g, 11.1 mmol). The resulting mixture was stirred at 70°C overnight. Solvent was removed in vacuo. Purification of the crude product on a silica gel column with 30percent EtOAc/PE afforded 360 mg (38percent) of 2-chloro-4-(4-cyclopropyl- 1 H-imidazol- 1 -yl)-5 -(trifluoromethyl)pyridine as a yellow solid.

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 89830-98-8.

Reference:
Patent; ENANTA PHARMACEUTICALS, INC.; WANG, Guoqiang; SHEN, Ruichao; LONG, Jiang; MA, Jun; XING, Xuechao; HE, Yong; GRANGER, Brett; HE, Jing; WANG, Bin; OR, Yat, Sun; (125 pag.)WO2018/209354; (2018); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Synthetic Route of 89830-98-8, A common heterocyclic compound, 89830-98-8, name is 5-Cyclopropyl-1H-imidazole, molecular formula is C6H8N2, 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.

General procedure: A mixture of 9-(2-methyloxazol- 4-yl)-3,4,7,8-tetrahydro-[1 ,4]diazepino[7,1-a]isoquinoline-2,5-dione (140 mg, 0.45 mmol) in DCE (10 mL) was treated with POCI3 (84 mu, 0.91 mmol) and heated to 100 °C for 1 h. The mixture was then allowed to cool to RT, poured onto cold H20 and extracted with DCM. The org. phases were dried over Na2SO,, filtered and concentrated in vacuo. The brown residue obtained was taken up in DCE (5 mL) and 4-cyclopropyl-1H-imidazole (59 mg, 0.54 mmol) and pyridine (110 mu, 1.36 mmol) were then added. The mixture was heated to 100 DC for 1 h, and then allowed to cool to RT, poured onto H20 and extracted with DCM. The org. layers were then dried over Na2S04. filtered and concentrated in vacuo. Purification by SFC (column: 2-Ethylpyridine 5 muetaiota, 250 x 30 mm, 60A, Princeton; eluent: 10percent MeOH/C02 for 1 min, then from 10percent MeOH/C02 to 15percent MeOH/C02 in 6 min; then from 15percent MeOH/C02 to 50percent MeOH/C02 in 1 min; flow 100 mL/min; UV detection at 220 nm) afforded the title compound (42 mg) as beige powder. UPLC-MS: MS 400.2 (M+H+); UPLC rt 0.86 min. 1H NMR (400 MHz, CHLOROFORM- : delta ppm 0.61 – 0.82 (m, 2 H); 0.82 – 0.91 (mr 2 H); 1.78 – 1.96 (m, 1 H); 2.56 (s, 3 H); 3.16 (t, J=6.02 Hz, 2 H); 3.89 (t, J=6.15 Hz, 2 H); 4.37 (br. s., 2 H); 6.62 (s, 1 H); 7.19 (d, J=1.25 Hz, 1 H); 7.38 – 7.48 (m, 1 H); 7.63 – 7.70 (m, 2 H); 7.78 (dd, J=7.65, .13 Hz, 1 H); 7.89 (d, J=1.26 Hz, 1 H).

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; NOVARTIS AG; BEHNKE, Dirk; CARCACHE, David; ERTL, Peter; KOLLER, Manuel; ORAIN, David; WO2014/30128; (2014); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Adding a certain compound to certain chemical reactions, such as: 89830-98-8, name is 5-Cyclopropyl-1H-imidazole, 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 89830-98-8, Quality Control of 5-Cyclopropyl-1H-imidazole

[00400] A mixture of Example 61f (300 mg, 0.63 mmol), Example 61g (204 mg, 1.89 mmol), 8- quinoline (36 mg, 0.25 mmol), Cs2C03(411 mg, 1.26 mmol) and Cu20 (36 mg, 0.25 mmol)in BuCN (5 mL) was stirred at 120°C for 16 h under N2. Then the solution was filtrated and purified by Prep-HPLC, followed by Prep-TLC (DCM/MeOH= 20/1) to give thedesired product Example 61 (6.6 mg, yield 2percent) as a white solid. LCMS [M+l] + = 456.0. NMR (400 MHz, DMSO- 6) delta 11.25 (s, 1H), 8.67 (s, 1H), 8.04 (t, J= 7.9 Hz, 1H), 7.85 (t, J= 7.0 Hz, 2H), 7.76 (s, 1H), 7.62 (s, 1H), 7.34 (s, 1H), 7.10 (s, 1H), 4.37 (m, 2H), 4.25 (t, J= 8.5 Hz, 2H), 2.47 (m, 2H), 2.19 (s, 3H), 1.96 (m, 2H), 1.82 (m, 1H), 0.82-0.73 (m, 2H), 0.69 (d, J= 4.4 Hz, 2H).

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, 5-Cyclopropyl-1H-imidazole, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; FRONTHERA U.S. PHARMACEUTICALS LLC; JIN, Bohan; DONG, Qing; HUNG, Gene; (214 pag.)WO2019/51265; (2019); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Application of 89830-98-8,Some common heterocyclic compound, 89830-98-8, name is 5-Cyclopropyl-1H-imidazole, molecular formula is C6H8N2, 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.

Methyl 5-bromo-2-methylthiophene-3-carboxylate (5.5 g, 23.4 mmol) was added to a 250 mL round bottom flask.4-cyclopropyl-1H-imidazole (2.5 g, 23.4 mmol),Cuprous iodide (669 mg, 3.51 mmol),1,10-phenanthroline (1.3 g, 6.56 mmol),Cesium carbonate (15.2 g, 46.8 mmol) and 100 mL of toluene were reacted at 110 C for 20 hours. When the reaction is over,The reaction solution was concentrated, and the residue was applied to silica gel column chromatographyEthyl acetate = 1: 1) to give the desired product 500mg, yield 8.1%.

The synthetic route of 89830-98-8 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Shandong Xuanzhu Pharmaceutical Technology Co., Ltd.; Wang Tingzhong; (35 pag.)CN110294746; (2019); A;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Application of 89830-98-8, The chemical industry reduces the impact on the environment during synthesis 89830-98-8, name is 5-Cyclopropyl-1H-imidazole, I believe this compound will play a more active role in future production and life.

[0357] To a solution of Example 18a (1.00 g, 3.67 mmol) in DMF (10 mL) were added Cul (351 mg, 1.83 mmol), Cs2C03 (2.38 g, 7.30mmol), Example 18b(476 mg, 4.41 mmol), andN1,N2-dimethyl- cyclohexane-l,2-diamine (105 mg, 0.74 mmol). The resulting mixture was degassed with N2 and stirred at 130°C under microwave for 2 h. The mixture was diluted with MeOH and filtered. The filtrate was concentrated under vacuum and the residue was purified byPrep-HPLC (by Ultimate XB-C18, 50 x 250 mm, 10 mum, speed: 80 mL/min, eluent: H20/CH3CN = from 80/20 to 20/80 over 50 min)to give the desired product Example 18c (110 mg, yield 12percent) as a yellow solid. LC-MS: [M+H]+ = 253.0

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, 5-Cyclopropyl-1H-imidazole, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; FRONTHERA U.S. PHARMACEUTICALS LLC; JIN, Bohan; DONG, Qing; HUNG, Gene; (227 pag.)WO2018/151830; (2018); 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. 89830-98-8, name is 5-Cyclopropyl-1H-imidazole, This compound has unique chemical properties. The synthetic route is as follows., COA of Formula: C6H8N2

Step 2: methyl 2-(4-cyclopropyl-1H-imidazol-1-yl)-5-oxo-4,5,7,8-tetrahydro-[1,4]diazepino[7,1-a]isoquinoline-9-carboxylate A solution of methyl 2,5-dioxo-2,3,4,5,7,8-hexahydro-[1,4]diazepino[7,1-a]isoquinoline-9-carboxylate (225 mg, 0.79 mmol) in DCE (20 mL) was treated with POCl3 (0.37 mL, 3.93 mmol) and the mixture was heated to 100° C. for 1 h. The mixture was then allowed to cool to RT, and then concentrated in vacuo, and dried azeotropically with toluene. The residue obtained was taken up in DCE (40 mL) and 4-cyclopropyl-1H-imidazole (261 mg, 2.41 mmol) were added. The mixture was heated to to 100° C. for 1 h and then allowed to cool to RT, diluted with DCM and washed with a saturated aq, solution of NaHCO3. The org. layer was dried over Na2SO4, filtered and concentrated in vacuo. Purification by flash chromatography (SiO2, AcOEt/MeOH 100:0 to 90:10) and crystallization in Et2O/petroleum ether gave the title compound (116 mg). UPLC-MS: MS 377.2 (M+H+); UPLC rt 0.88 min. 1H NMR (600 MHz, DMSO-d6): delta ppm 0.54-0.73 (m, 2H); 0.73-0.88 (m, 2H); 1.74-1.89 (m, 1H); 3.25 (br s, 2H); 3.67-3.82 (m, 2H); 3.88 (s, 3H); 4.25 (br s, 2H); 7.13 (s, 1H); 7.44 (s, 1H); 7.48-7.57 (m, 1H); 7.96 (d, J=7.65 Hz, 1H); 8.09 (s, 1H); 8.19 (d, J=7.91, 1H).

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 89830-98-8.

Reference:
Patent; NOVARTIS AG; BEHNKE, Dirk; CARCACHE, David; ERTL, Peter; KOLLER, Manuel; ORAIN, David; US2014/57902; (2014); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

89830-98-8, name is 5-Cyclopropyl-1H-imidazole, belongs to imidazoles-derivatives compound, is considered to be a conventional heterocyclic compound, which is widely used in drug synthesis. The chemical synthesis route is as follows. Product Details of 89830-98-8

To a flask were added 2-chloro-5-fluoro-4-iodopyridine (23.0 g, 89.3 mmol), 4-cyclopropyl-1H-imidazole (29.0 g, 268 mmol), potassium carbonate (30.8 g, 223 mmol), cuprous iodide (340 mg, 1.79 mmol), 8-hydroxyquinaldine (569 mg, 3.57 mmol) and dimethylsulfoxide (80 mL) under nitrogen. The mixture was heated to 90 C and stirred overnight. The resulting mixture was cooled to rt naturally and quenched with water (100 mL) and then extracted with EtOAc (200 mL x 2). The combined organic layers were washed with saturated brine (100 mL), dried over anhydrous Na2SO4. The mixture was filtered and the filtrate was concentrated in vacuo. The residue was purified by silica-gel column chromatography (DCMIEtOAc (V/V) = 10/1-5/1) to give the title compound as a yellow solid (4.50 g, 2 1%).?HNIVIR(400MH4 CDCl3)8.40(d,J=2.7H4 1H), 7.92 (s, 1H), 7.38 (d,J= 5.4 H4 1H), 7.11 (s, 1H), 1.96-1.82 (m, 1H), 0.96 – 0.87 (m, 2H), 0.86- 0.80 (m, 2H?).

The synthetic route of 89830-98-8 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; SUNSHINE LAKE PHARMA CO., LTD.; YANG, Xinye; PAN, Shengqiang; MA, Facheng; ZHANG, Yingxun; WANG, Xiaojun; ZHANG, Yingjun; JIN, Chuanfei; ZHANG, Ji; (105 pag.)WO2019/34096; (2019); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Electric Literature of 89830-98-8,Some common heterocyclic compound, 89830-98-8, name is 5-Cyclopropyl-1H-imidazole, molecular formula is C6H8N2, 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 suspension 2-chloro-5-fluoro-4-iodopyridine (1.8 g, 1.00 mmol), 4-cyclopropyl imidazole (982 mg, 9.10 mmol), Cu2O (100 mg, 0.700 mmol), 8-hydroxyquinoline (152 mg, 1.05 mmol), cesium carbonate (4.60 g, 14.0 mmol), and PEG-3350 (1.4 g) in butyronitrile (50 mL) was heated at 65 C. for 16 hours. The reaction mixture was filtered through Celite, concentrated and the residue was partitioned between dichlormethane and water. The layers were separated and the aqueous layer washed twice with dichloromethane. The combined organic layers were dried (MgSO4), filtered and concentrated. The residue was purified by flash chromatography (15?60% EtOAc in hexanes) to afford 2-chloro-4-(4-cyclopropyl-1H-imidazol-1-yl)-5-fluoropyridine (702 mg, 42% yield).

The synthetic route of 89830-98-8 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Gilead Sciences, Inc.; Notte, Gregory; US2014/179663; (2014); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Related Products of 89830-98-8, 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. 89830-98-8, name is 5-Cyclopropyl-1H-imidazole belongs to imidazoles-derivatives compound, it is a common compound, a new synthetic route is introduced below.

Potassium hydroxide (73.9 mg, 1.3 177 mmol%) and tert-butyl N-[(2R)-2-bromopropyl]carbamate (230.1mg, 0.96634 mmol) are added to a solution of 4-cyclopropyl-1H-imidazole (100 mg, 0.087849 mmol) in DMSO (2 mL) at 0 C. The mixture is stirred at room temperature for 65 hours. The reaction is quenched with water and extracted with EtOAc (3x). The organic extracts are washed with saturated NaC1 (3x), dried over Na2SO4, filtered, and concentrated to dryness. The residue is purified bysilica gel flash chromatography with 4% MeOH in DCM to give the title compounds as a mixture of 2 regioisomers (112 mg, 22.82%) and as a yellow oil. ES/MS (m/z): 266 (M+ 1). TFA (2 mL, 26.45 mmol) is added to racemic tert-butyl N-[2-(4-cyclopropylimidazol- i-yl)-i -methyl-ethyl] carbamate and to racemic tert-butyl N- [2-(5 -cyclopropylimidazol-1-yl)-1-methyl-ethyl]carbamate (112 mg, 0.2005 mmol) in DCM(10 mL) at room temperature. The mixture is stirred at room temperature for 1 hour andis concentrated to give the crude title compounds as a mixture of regioisomers (69.8 mg,100%) as a yellow oil. ES/MS (m/z): 166 (M+1). Sodium triacetoxyborohydride (56.9 mg, 0.260 mmol) is added to a solution of racemi c-i -(4-cyclopropylimidazol -1 -yl)propan-2-amine and racemic- 1 -(5- cyclopropylimidazol- 1 -yl)propan-2-amine (69.7 mg, 0.200 mmol) and tert-butyl N-(2- oxoethyl)carbamate (33.6 mg, 0.200 mmol) in DCM (5 mL) and acetic acid (15.6 mg, 0.260 mmol) at room temperature. The mixture is stirred at room temperature for 18 hours. The reaction is quenched by the addition of saturated NaHCO3. The mixture is extracted with DCM (3x), the organic extracts are dried over Na2SO4, filtered, and concentrated to give the crude title compound as a mixture of regioisomers (130 mg, 100%) as a yellow oil. ES/MS (m/z): 309 (M+1).

The synthetic route of 5-Cyclopropyl-1H-imidazole has been constantly updated, and we look forward to future research findings.

Reference:
Patent; ELI LILLY AND COMPANY; LILLY CHINA RESEARCH AND DEVELOPMENT CO., LTD.; LIU, Lian Zhu; WANG, Xiaoqing; WILEY, Michael Robert; (34 pag.)WO2019/50794; (2019); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem

Adding a certain compound to certain chemical reactions, such as: 89830-98-8, name is 5-Cyclopropyl-1H-imidazole, 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 89830-98-8, HPLC of Formula: C6H8N2

To a solution of 3-bromo-7,8-dihydro-6H-1,6-naphthyridin-5-one (0.100 g, 0.437mmol) and 4-cyclopropyl-1H-imidazole (0.0709 g, 0.65 5 mmol) in DMF (5.00 mL) is addedK2C03 (0.18 1 g, 1.31 mmol). The mixture is degassed with a stream of N2 for 5 minutes. DMEDA (0.0193 g, 0.218 mmol) and CuT (0.0832 g, 0.437 mmol) are added sequentially and the resulting mixture is stirred at 110 C for 16 hours under N2. The mixture is extracted with EtOAc (2x75mL) and washed with saturated brine (3 x25 mL). The organic extracts aredried over Na2SO4, filtered, and evaporated to dryness. The crude product is purified by silica gel flash chromatography, eluting with a gradient of 0% to 5% MeOH in DCM to give the title compound (0.060 g, 48.6%) as a light green solid. ES/MS (m/z): 255.0 (M+H), ?H NMR (400 IVIHz, CDC13) 8.74 (d, J=3.2 Hz, 1H), 8.33 (d, J=2.4 Hz, 1H), 7.81 (s, 1H), 7.10 (s, 1H), 6.31 (br s, 1H), 3.73 (dt, J=3.2, 6.8 Hz, 2H), 3.39 -3.15 (m, 2H), 1.99- 1.90 (m, 1H),0.96-0.88(m,4H)

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, 5-Cyclopropyl-1H-imidazole, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; ELI LILLY AND COMPANY; LILLY CHINA RESEARCH AND DEVELOPMENT CO., LTD; LEI, Hui; LIU, Gang; TIAN, Yuan; ZHANG, Haizhen; (0 pag.)WO2018/160406; (2018); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem