Triazoles

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 41253-21-8 as follows. Quality Control of Sodium 1,2,4-triazol-1-ide

375g 3b was dissolved in 600mLDMF, was added to the reaction mixture of 270g of triazole sodium salt compound 4 and 1,3-dimethyl-3,4,5,6-tetrahydro-2 (1H) pyrimidinone That DMPU, heated to 100-110 C for 24 hours. The mixture was quenched with water (1.5 L) and extracted with dichloromethane (1000 ml * 2). The dichloromethane phase was washed once with saturated brine (200 mL), dried over Na2SO4 and concentrated to give a yellow oil. Obtained light yellow solid 5b, yield 55%, purity 97%.

According to the analysis of related databases, 41253-21-8, the application of this compound in the production field has become more and more popular.

Reference:
Patent; Gansu Haotian Chemical Technology Co., Ltd.; Wei Pengfei; Wang Ning; Feng Weiwei; Wang Shixiang; Zhu Yingpu; (8 pag.)CN106397417; (2017); A;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Electric Literature of 1455-77-2, 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. 1455-77-2, name is 3,5-Diamino-1,2,4-triazole belongs to Triazoles compound, it is a common compound, a new synthetic route is introduced below.

General procedure: A solution of 10 mmol of 1,2,4-triazole-3,5-diamine, pyridine-2,6-diamine, or 4-hydroxypyrimidine-2,6-diamine in 50 mL of glacial acetic acid was slowly added to a solution of 20 mmol of phthalic anhydride or tetrachlorophthalic anhydride in 100 mL of glacial acetic acid. The colored solution was refluxed with constant stirring for 8 h at 100 ¡ãC (TLC monitoring; MeOH?CH2Cl2, 1 : 4) and poured into cold water. The colored precipitate was filtered off, dried in a vacuum desiccator over fused CaCl2, and recrystallized from DMSO.

The synthetic route of 3,5-Diamino-1,2,4-triazole has been constantly updated, and we look forward to future research findings.

Reference:
Article; Arif; Nayab, P. Sirajuddin; Rahisuddin; Russian Journal of General Chemistry; vol. 86; 6; (2016); p. 1374 – 1380; Zh. Obshch. Khim.; vol. 86; 6; (2016); p. 1374 – 1380,7;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Electric Literature of 4928-87-4, A common heterocyclic compound, 4928-87-4, name is 1,2,4-Triazole-3-carboxylic acid, molecular formula is C3H3N3O2, 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.

To an ice-cold solution of the above obtained salt (0.25 g,0.63 mmol) in DMF (0.8 mL), iPr2NEt (0.33 mL, 1.89 mmol) wasadded. The reaction mixture was stirred at 0 C for 10 min and thenTCA (0.064 g, 0.57 mmol) and PyBrOP (0.32 g, 0.68 mmol) wereadded sequentially. The mixture was stirred at ambient temperaturefor 1 h and then it was diluted with EtOAc. The organic phasewas washed once with a 5% aq solution of NaHCO3 and thrice withH2O, dried over Na2SO4 and evaporated to dryness. Compound 9was purified with FCC. Yield: 0.16 g (75%); white foam; Rf(CHCl3/MeOH 9:1): 0.12; IR (KBr, cm1): 3117, 3041, 2931, 1648,1540, 1060; MS (ESI, 30 eV): m/z 417.45 [M+K], 401.24 [M+Na],379.28 [M+H]; HRMS (m/z): [M+H]+ calcd for C15H19N6O6,379.1366. Found: 379.1398; 1H NMR (d6-DMSO): d 9.27(t, J = 5.2 Hz, 1H), 8.30 (s, 1H), 8.14 (d, J = 8.8 Hz, 2H), 7.68 (d,J = 9.2 Hz, 1H), 7.57 (d, J = 8.8 Hz, 2H), 5.82 (br s, 1H), 5.00 (1H,unresolved d), 4.84 (br s, 1H), 4.02-3.94 (m, 1H), 3.54 (unresolveddd, 1H), 3.29 (dd, J = 6.0 and 10.4 Hz, 1H), 3.20 (q, J = 6.8 Hz, 2H),2.36-2.20 (m, 2H); 13C NMR (d6-DMSO): d 170.1 (two C), 156.9,156.3, 152.4, 146.8, 127.8 (two C), 123.2 (two C), 69.8, 60.9, 56.4,36.4, 34.3.

The synthetic route of 4928-87-4 has been constantly updated, and we look forward to future research findings.

Reference:
Article; Magoulas, George E.; Kostopoulou, Ourania N.; Garnelis, Thomas; Athanassopoulos, Constantinos M.; Kournoutou, Georgia G.; Leotsinidis, Michael; Dinos, George P.; Papaioannou, Dionissios; Kalpaxis, Dimitrios L.; Bioorganic and Medicinal Chemistry; vol. 23; 13; (2015); p. 3163 – 3174;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

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. 1338226-21-3, name is 3-(Chloromethyl)-4-methyl-1H-1,2,4-triazol-5(4H)-one, This compound has unique chemical properties. The synthetic route is as follows., Application In Synthesis of 3-(Chloromethyl)-4-methyl-1H-1,2,4-triazol-5(4H)-one

A 100 ml round bottom flask equipped with stir bar and a nitrogen inlet was charged with 1 (5 g, 33.9 mmol) and (lS)-(+)-10-camphorsulfonic acid (0.39 g, 1.694 mmol) at ambient temperature. After 2,2-dimethoxy propane (36.0 g, 339 mmol) was charged at ambient temperature, the resulting mixture was heated to 45C. The resulting mixture was stirred under nitrogen at 45C for 18 hours and monitored by HPLC for conversion of the starting material (< 5% by HPLC). After the reaction was completed, the batch was taken on to the next step without further workup or isolation. 'H NMR (CDCI3, 500 MHz): 4.45 (s, 2H), 3.35 (s, 3H), 3.21 (s, 3H), 1.83 (s, 6H). 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 1338226-21-3. Reference:
Patent; MERCK SHARP & DOHME CORP.; ITOH, Tetsuji; JEON, Ingyu; MANGION, Ian; QIAN, Gang; SHERRY, Benjamin, D.; GAUTHIER, Donald, R.; CAO, Yang; WO2014/89140; (2014); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

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. 4928-88-5, name is Methyl 1H-1,2,4-triazole-3-carboxylate, A new synthetic method of this compound is introduced below., Application In Synthesis of Methyl 1H-1,2,4-triazole-3-carboxylate

EXAMPLE 2 A mixture of methyl 1,2,4-triazole-3-carboxylate (26.4 g, 0.21 mole) and beta-D-ribofuranosyl-1,2,3,5-tetraacetate (60.2 g, 0.19 mole) was melted and then 1.1 g of p-toluenesulfonic acid was added thereto. The reaction mixture was reacted for 5 hours, while maintaining the temperature of the reaction mixture at 95+-5¡ã C. And then, the reaction mixture was crystallized with 300.8 me of methanol to give 65.9 g of 1-(2,3,5-tri-O-acetyl-beta-D-ribofuranosyl)-1,2,4-triazole-3-carboxylic acid methyl ester (yield: 90percent).

The synthetic route of 4928-88-5 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Lee, Tai-Au; Park, Nam-Jin; Khoo, Ja-Heouk; Lee, Byung-Cheol; US2003/120064; (2003); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Synthetic Route of 7343-33-1, 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. 7343-33-1, name is 5-Bromo-1H-1,2,4-triazole belongs to Triazoles compound, it is a common compound, a new synthetic route is introduced below.

Example 5 Preparation of 3-bromo-1-(4-(trifluoromethoxy)phenyl)-1H-1,2,4-triazole A dry round bottom flask was charged with potassium phosphate (K3PO4, 7.74 g, 36.5 mmol), CuI (0.165 g, 0.868 mmol), and 3-bromo-1H-1,2,4-triazole (2.83 g, 19.10 mmol). The flask was evacuated/backfilled with N2 (3*). DMF (34.7 ml) was added, followed by trans-(1R,2R)-N,N’-bismethyl-1,2-cyclohexane diamine (0.274 ml, 1.736 mmol) and 1-iodo-4-(trifluoromethoxy)benzene (5 g, 17.36 mmol). The solution was heated to 110¡ã C. After 48 h, the reaction mixture was cooled to RT, diluted with EtOAc and filtered through Celite?. The filtrate was washed with water (100 mL) containing HCl (1 M, 10 mL). The organics were separated, and the aqueous phase was further extracted with EtOAc (3*). The organics were combined, dried, and concentrated in vacuo. Purification via flash column chromatography EtOAc/hexanes yielded the title compound as a tan solid (1.86 g, 34percent): 1H NMR (400 MHz, CDCl3) delta 8.44 (s, 1H), 7.70 (d, J=8.9 Hz, 2H), 7.38 (d, J=8.5 Hz, 2H); 19F NMR (376 MHz, CDCl3) delta-58.04; EIMS m/z 307 ([M]+).

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-Bromo-1H-1,2,4-triazole, other downstream synthetic routes, hurry up and to see.

Reference:
Patent; Dow AgroSciences LLC; GIAMPIETRO, Natalie C.; CREEMER, Lawrence C.; US2014/275503; (2014); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

These common heterocyclic compound, 16681-70-2, name is 1H-[1,2,3]Triazole-4-carboxylic acid, 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. Recommanded Product: 16681-70-2

lH-l,2,3-triazole-4-carboxylic acid (9.8 mg, 87 muiotaetaomicron) and HATU (36.4 mg, 96 were combined in DMF (3.0 mL) and stirred at room temperature for 15 minutes. Compound 1 (40.3 mg, 87 muiotaetaomicron) and DIPEA (46 mu^, 261 muiotaetaomicron) were added and the resulting solution was stirred at room temperature for 15 minutes, after which time LCMS indicated desired product formation. The solvent was removed in vacuo and the crude residue was purified by reverse phase chromatography to yield Compound a (5.2 mg) as a TFA salt. MS m/z [M+H]+ calc’d for C28H3 found 558.

The synthetic route of 1H-[1,2,3]Triazole-4-carboxylic acid has been constantly updated, and we look forward to future research findings.

Reference:
Patent; THERAVANCE BIOPHARMA R&D IP, LLC; FLEURY, Melissa; BEAUSOLIEL, Anne-Marie; HUGHES, Adam D.; LONG, Daniel D.; WILTON, Donna A.A.; WO2015/116786; (2015); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Synthetic Route of 7411-23-6, 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 7411-23-6 as follows.

3,5-Dibromo-1,2,4-triazole (1; 1.134 g, 5.0 mmol) and 4-chloro-2,6-bis(hydroxymethyl)phenol (2q; 472 mg, 2.5 mmol) were refluxed for5 h in DMF (10 mL). After completion of the reaction, the mixture wascooled and poured into H2O (30 mL). The precipitate formed was collectedby filtration, washed with H2O, dried, and recrystallized; yield:722 mg (55%); colorless crystals; mp 258-260 C (DMF).IR (KBr): 2924, 1601, 1555, 1520, 1470, 1431, 1292, 1261, 1180, 1150,1065, 987, 864 cm-1.1H NMR (400 MHz, DMSO-d6): delta = 7.58 (d, J = 2.3 Hz 1 H, Ar), 7.50 (d,J = 2.3 Hz, 1 H, Ar), 5.47 (s, 2 H, CH2), 5.29 (s, 2 H, CH2).13C NMR (100 MHz, DMSO-d6): delta = 153.2 (C), 145.0 (C), 140.3 (C),137.2 (C), 132.2 (C), 130.6 (CH), 129.2 (C), 128.4 (CH), 124.9 (C), 119.0(C), 48.0 (CH2), 46.1 (CH2).MS for 79Br, 35Cl (EI): m/z (%) = 522 (2, [M]+), 443 (2, [M – Br]+), 364 (1,[M – 2 Br]+), 298 (7, [M – C2Br2N3]+), 218 (5), 177 (5), 156 (21), 153(23, [C8H6ClO]+), 137 (20), 128 (30), 125 (58), 102 (73), 89 (100), 80(65).Anal. Calcd for C12H6Br3ClN6O: C, 27.43; H, 1.15; N, 16.00. Found: C,27.51; H, 1.09; N, 16.09.

According to the analysis of related databases, 7411-23-6, the application of this compound in the production field has become more and more popular.

Reference:
Article; Osipov, Dmitry V.; Osyanin, Vitaly A.; Voskressensky, Leonid G.; Klimochkin, Yuri N.; Synthesis; vol. 49; 10; (2017); p. 2286 – 2296;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Adding a certain compound to certain chemical reactions, such as: 1001401-62-2, name is 2-(2H-1,2,3-Triazol-2-yl)benzoic acid, belongs to Triazoles 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 1001401-62-2, Product Details of 1001401-62-2

N-(2-(( 4.6-dimethylpyrimidin-2-yl)( methyl)amino)ethyl)-N-ethyl-2-( 2H- 1.2.3 -triazol-2- vDbenzamide Step 1 : N-ethyl-N-(2-hvdroxyethyl)-2-(2H-1.2.3-triazol-2-yl)benzamide (A-2) A solution of 2-(2H- 1,2,3 -triazol-2-yl)benzoic acid (2.10 g, 11.2 mmol) in SOC12 (30 mL) was stirred at 80C for 2h. After cooled to RT, the mixture was concentrated in vacuo. To a solution of 2-(ethylamino)ethanol (997 mg, 11.2 mmol) and DIEA (4.30 g, 336. mmol) in DCM (15 mL) was added dropwise a solution of the above residue in DCM at OoC. The resulting mixture was stirred at RT for 3 h, then quenched with water (50 mL) and extracted with EtOAc (80 mL x 3). The organic layers were combined, dried over MgS04, filtered, and concentrated in vacuo. The residue was purified by silica chromatography (50% EtOAc in petroleum ether) to give the title compound. LRMS m/z (M+H) 261.3 found, 261.1 required.

At the same time, in my other blogs, there are other synthetic methods of this type of compound, 2-(2H-1,2,3-Triazol-2-yl)benzoic acid, and friends who are interested can also refer to it.

Reference:
Patent; MERCK SHARP & DOHME CORP.; KIM, Ronald; KUDUK, Scott, D.; LIVERTON, Nigel; ZHUO, Gang; (116 pag.)WO2016/100161; (2016); A1;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics

Reference of 107534-96-3, 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. 107534-96-3, name is 3-((1H-1,2,4-Triazol-1-yl)methyl)-1-(4-chlorophenyl)-4,4-dimethylpentan-3-ol belongs to Triazoles compound, it is a common compound, a new synthetic route is introduced below.

To an aqueous solution (3 mL) containing K2[PtCl4] (0.30 g, 0.72 mmol), reagent L (0.22 g, 0.72 mmol) in acetone (7 mL) was added under stirring. After 48 h, the settled bulky light-yellow precipitate was filtered out, sequentially washed with water and hexane, and dried in air. The yield based on reagent L was 91%.

The synthetic route of 3-((1H-1,2,4-Triazol-1-yl)methyl)-1-(4-chlorophenyl)-4,4-dimethylpentan-3-ol has been constantly updated, and we look forward to future research findings.

Reference:
Article; Khisamutdinov; Anpilogova; Shitikova; Murinov, Yu. I.; Russian Journal of Inorganic Chemistry; vol. 61; 12; (2016); p. 1530 – 1537; Zh. Neorg. Khim.; vol. 61; 12; (2016); p. 1591 – 1598,8;,
1,2,3-Triazole – Wikipedia,
Triazoles – an overview | ScienceDirect Topics