Category: 14394-70-8

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. 14394-70-8, name is 2-Chloro-5-methylpyrimidin-4-amine, the common compound, a new synthetic route is introduced below. HPLC of Formula: C5H6ClN3

[0401] A mixture of intermediate 66 (0.90 g, 2.96 mmol), 2-chloro-5-methyl-pyrimidin-4- ylamine (0.33 g, 2.28 mmol), Pd2(dba)3 (0.21 g, 0.23 mmol), Xantphos (0.264 g, 0.46 mmol) and cesium carbonate (2.2 g, 6.8 mmol) were suspended in dioxane (15 mL), sealed in a microwave reaction tube and irradiated with microwaves at 160 C for 15 min. The reaction mixture was cooled to room temperature and centrifuged down. The reaction was decanted and the organic phase concentrated in vacuo. The residue was purified on silica gel column to afford the title compound as a white solid (0.12 g, 14%).

The synthetic route of 14394-70-8 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; TARGEGEN, INC.; WO2007/53452; (2007); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

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. 14394-70-8, name is 2-Chloro-5-methylpyrimidin-4-amine, the common compound, a new synthetic route is introduced below. HPLC of Formula: C5H6ClN3

[0401] A mixture of intermediate 66 (0.90 g, 2.96 mmol), 2-chloro-5-methyl-pyrimidin-4- ylamine (0.33 g, 2.28 mmol), Pd2(dba)3 (0.21 g, 0.23 mmol), Xantphos (0.264 g, 0.46 mmol) and cesium carbonate (2.2 g, 6.8 mmol) were suspended in dioxane (15 mL), sealed in a microwave reaction tube and irradiated with microwaves at 160 C for 15 min. The reaction mixture was cooled to room temperature and centrifuged down. The reaction was decanted and the organic phase concentrated in vacuo. The residue was purified on silica gel column to afford the title compound as a white solid (0.12 g, 14%).

The synthetic route of 14394-70-8 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; TARGEGEN, INC.; WO2007/53452; (2007); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Adding a certain compound to certain chemical reactions, such as: 14394-70-8, 2-Chloro-5-methylpyrimidin-4-amine, 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, category: pyrimidines, blongs to pyrimidines compound. category: pyrimidines

[0139] To a solution of 2-chloro-5-methylpyrimidin-4-amine (232 mg, 1.61 mmol) in 1,4- dioxane (40 mL) was added l-bromo-3-nitrobenzene (359 mg, 1.78 mmol), Cs2CO3 (2.1 g, 6.4 mmol), Pd2(dba)3 (146 mg, 0.16 mmol), and 4,5-bis(diphenylphosphino)-9,9- dimethyxanthene (Xant Phos, 278 mg, 0.48 mmol). The mixture was heated under reflux for 4 h under Ar. The solid was filtered off and the filtrate washed with brine (1 x 100 raL). The organic solution was separated and dried (Na2SO4). The solvent was removed until 5 mL and hexane (100 mL) was added, the solid was collected by filtration. The crude product, the title intermediate 25, was used for next reaction without further purification.

The synthetic route of 14394-70-8 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; TARGEGEN, INC.; WO2007/53452; (2007); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Application of 14394-70-8 ,Some common heterocyclic compound, 14394-70-8, molecular formula is C5H6ClN3, 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.

[0460] A mixture of 3-bromopyridine (379 mg, 2.4 mmol), 4-amino-2-chloro-5- methylpyrimidine (287 mg, 2.0 mmol), Pd2(dba)3 (18 mg, 0.02 mmol), xantphos (23 mg, 0.04 mmol) and cesium carbonate (975 mg, 3.0 mmol) in dioxane ( 15 mL) was heated under refluxed for 1 h under argon. The solvent was removed and the residue on purification by HPLC gave an intermediate, 2-cliloro-5-methyl-iV-(rhoyridin-3-yl)pyrimidin-4-amine as yellow solid (252 mg, 57%). For second Buckwald, a mixture of 2-chloro-5-methyl-iV-(pyridin-3- yl)rhoyrimidin-4-amine (80 mg5 0.36 mmol), 4-(2-(pyrrolidin-l-yl)ethoxy)benzenamine (74 mg, 0.34 mmol), Pd2(dba)3 (3.2 mg, 0.003 mmol), xantphos (4.2 mg, 0.007 mmol) and cesium carbonate (234 mg, 0.72 mmol) in dioxane ( 5 mL) was heated under refluxed for 1 h under argon. The crude reaction mixture on purification using HPLC gave the title compound as light brown solid (28 mg, 20%).[0461] 1H NMR (500 MHz, DMSOd6): 8 1.85-1.95 (m, 2H), 2.0-2.09 (m, 2H)3 2.18 (s, 3H), 3.09-3.18 (m, 2H), 3.55-3.65 (m, 4H), 4.27 (dd, J= 5.2, 4.7 Hz, 2H), 6.94 (d, J= 8.9 Hz, 2H), 7.35 (d, J= 8.9 Hz, 2H), 7.50 (dd, J= 8.2, 4.8 Hz, lH),7.92-7.96 (m, IH), 8.08-8.15 (m, IH), 8.45 (dd, J= 4.8, 1.4, IH), 8.84, 9.75, 9.85, 10.24 (4 br s, IH each). MS (ES+): m/z 329 (M+H)+.

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. 14394-70-8, 2-Chloro-5-methylpyrimidin-4-amine, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; TARGEGEN, INC.; WO2007/53452; (2007); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Related Products of 14394-70-8, The major producers of chemicals have been the Europe, Japan and China. Due to the growing call for a cleaner, greener environment, people will have to find innovative ways to maintain their relevance. Here is a compound 14394-70-8, name is 2-Chloro-5-methylpyrimidin-4-amine. This compound has unique chemical properties. The synthetic route is as follows.

[0426] A mixture of 2-chloro-5-methyl-pyrimidin-4-ylamine (0.71 g, 4.9 nimol), intermediate 74 (1.25 g, 5.9 mmol), Pd2(dba)3 (0.45 g, 0.49 mmol), Xantphos (0.57 g, 0.98 mmol) and cesium carbonate (4.8 g, 14.7 mmol) were suspended in dioxane (40 mL) refluxed for 18 h. The reaction mixture was then cooled to room temperature, filtered and solvents evaporated. Resulting residue was purified by flash chromatography on silica gel to afford title compound as white solids (0.44, 32%).

While traditionally a conservative industry, chemical producers will need to modernize their PR strategies to stay relevant.we look forward to future research findings about 14394-70-8, 2-Chloro-5-methylpyrimidin-4-amine.

Reference:
Patent; TARGEGEN, INC.; WO2007/53452; (2007); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

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. 14394-70-8, name is 2-Chloro-5-methylpyrimidin-4-amine, molecular formula is C5H6ClN3, The 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. Formula: C5H6ClN3

a) 5-Methyl-2-(2,2,2-trifluoro-ethoxy)-pyrimidin-4-ylamine; Sodium (69 mg, 2 mmol) was added under an atmosphere of nitrogen at room temperature to 2,2,2-trifluoroethanol (3 mL, 40 mmol). The reaction was stirred for 1 hour. To this colorless solution 4-amino-2-chloro-5-methylpyrimidine (287.2 mg, 2.0 mmol) was added and the reaction was heated to 90 C. over night. Water was added and the reaction was extracted twice with ethyl acetate. The combined organic layer was washed with water and with saturated aqueous sodium chloride solution, dried over sodium sulfate, filtered and the solvent was evaporated under reduced pressure to yield the title compound as a white solid (414 mg, 100%).MS ISP (m/e): 208.2 (100) [(M+H)+].1H NMR (DMSO-D6, 300 MHz): delta (ppm)=7.74 (s, 1H), 7.92 (br s, 2H), 4.84 (q, 2H), 1.92 (s, 3H).

With the rapid development of chemical substances, we look forward to future research findings about 14394-70-8.

Reference:
Patent; Baumann, Karlheinz; Goetschi, Erwin; Green, Luke; Jolidon, Synese; Knust, Henner; Limberg, Anja; Luebbers, Thomas; Thomas, Andrew; US2011/190269; (2011); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

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. 14394-70-8, name is 2-Chloro-5-methylpyrimidin-4-amine, the common compound, a new synthetic route is introduced below. Application In Synthesis of 2-Chloro-5-methylpyrimidin-4-amine

[0228] A mixture of 2-chloro-5-memyl-pyrimidin-4-ylamine (0.30 g, 2.1 mmol), A- bromo-l-chloro-2-trifluoromethyl-benzene (0.40 mL, 2.7 mmol), Pd2(dba)3 (0.10 g, 0.11 mmol), Xantphos (0.13 g, 0.22 mmol) and cesium carbonate (1.5 g, 4.6 mmol) in. dioxane/DMF (6/1, 7 mL) was sealed in a microwave reaction tube and irradiated with microwave at 160 C for 15 min. After cooling to room temperature, the cap was removed and the resulting mixture filtered and the filtered solid washed with DCM. The filtrate was concentrated and the residue purified by flash chromatography on silica gel (hexanes to 50% EtOAc/hexanes) to afford the title compound (0.65 g, 96%) as a white solid. MS (ES+): m/z 322 (MH-H)+.

The synthetic route of 14394-70-8 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; TARGEGEN, INC.; WO2007/53452; (2007); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Adding a certain compound to certain chemical reactions, such as: 14394-70-8, 2-Chloro-5-methylpyrimidin-4-amine, 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, 14394-70-8, blongs to pyrimidines compound. Formula: C5H6ClN3

[0293] A mixture of l-bromo-3,5-dimethoxybenzene (436 mg, 2.01 mmol), 2-chloro~5- methyl-pyrimidin-4-ylamine (287 mg, 2.00 mmol), Pd(OAc)2 (44 mg, 0.20 mmol), Xantphos (237 mg, 0.41 mmol) and potassium fe/t-butoxide (448 mg, 3.99 mmol) in dioxane (15 mL) and DMF (5 mL) was microwaved at 160 C for 20 min. The reaction mixture was cooled to room temperature and filtered rinsing with DCM and methanol. The filtrate was concentrated and purified using gradient flash chromatography (0-100% ethyl acetate in hexanes) to afford the title compound as a yellow solid (182 mg, 33%).[0294] 1H NMR (500 MHz, DMSO-d6): delta 2.17 (s, 3H), 3.74 (s, 6H), 6.27 (t, J= 2.2 Hz, IH), 6.99 (d, J=2.2 Hz, 2H), 8.06 (s, IH), 8.71 (s, IH). MS (ES+): m/z 280 (M+H)+.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,14394-70-8, its application will become more common.

Reference:
Patent; TARGEGEN, INC.; WO2007/53452; (2007); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

Synthetic Route of 14394-70-8 ,Some common heterocyclic compound, 14394-70-8, molecular formula is C5H6ClN3, 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.

[0152] A suspension of 2-chloro-5-methylpyrimidin-4-amine (159 muL, 1.2 mmol), 1- bromo-4-(trifluoromethyl)benzene (150 mg, 1.0 mmol), potassium tert-bntoxide (224 mg, 2.0 mmol), Xantphos (120 mg, 0.2 mmol), and palladium acetate (26 mg, 0.1 mmol) was sealed in a microwave reaction tube and irradiated at 160 C for 15 min. The mixture was allowed to cool to room temperature, the solids were filtered using DCM to rinse, and the solution was concentrated under reduced pressure. The residue was purified by flash chromatography on silica gel (hexane to EtOAc) to afford the title intermediate 29 (128.7 mg, 43%) as a white solid. MS (ESI+): m/? 288 (M+H)+.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,14394-70-8, its application will become more common.

Reference:
Patent; TARGEGEN, INC.; WO2007/53452; (2007); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia

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. 14394-70-8, name is 2-Chloro-5-methylpyrimidin-4-amine. This compound has unique chemical properties. The synthetic route is as follows. COA of Formula: C5H6ClN3

[0257] A mixture of 2-cliloro-5-methylpyrimidin-4-amine (540 mg, 3.7 mmol), tot-butyl 4-(4-aminophenoxy)pirhoeridine-l-carboxylate (1.1 g, 3.7 mml) was suspended in acetic acid (20 mL) and heated at 70 C for 1 h. The mixture was allowed to cool to room temperature and acetic acid removed under reduced pressure. The residue was taken in water (20 mL) and neutralized to pH~7. The resulting solution was extracted with EtOAc (30 mL) and the organic layer separated. The organic layer was washed with brine, dried over MgStheta4 and filtered. The filtrate was concentrated in vacuo to afford the title compound (1.4 g, 95%) as a yellow solid.

If you are interested in these compounds, you can also browse my other articles.Thank you for taking the time to read this article. I hope you enjoyed it, 14394-70-8, 2-Chloro-5-methylpyrimidin-4-amine.

Reference:
Patent; TARGEGEN, INC.; WO2007/53452; (2007); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia